Re: 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: field 'partition' has incomplete type

Re: 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: field 'partition' has incomplete type

[Mariusz Kozlowski]

[-- Attachment #1: Type: text/plain, Size: 282 bytes --]

Hello,

	This is from powerpc (iMac G3):

  CC [M]  sound/ppc/awacs.o
In file included from sound/ppc/awacs.c:24:
include/asm/nvram.h:62: error: field 'partition' has incomplete type
make[1]: *** [sound/ppc/awacs.o] Error 1
make: *** [sound/ppc/awacs.o] Error 2

Regards,

	Mariusz

[-- Attachment #2: config-powerpc-2.6.24-rc8-mm1 --]
[-- Type: text/plain, Size: 36104 bytes --]

#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.24-rc8-mm1
# Thu Jan 17 18:14:07 2008
#
# CONFIG_PPC64 is not set

#
# Processor support
#
CONFIG_6xx=y
# CONFIG_PPC_85xx is not set
# CONFIG_PPC_8xx is not set
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_E200 is not set
CONFIG_PPC_FPU=y
# CONFIG_ALTIVEC is not set
CONFIG_PPC_STD_MMU=y
CONFIG_PPC_STD_MMU_32=y
# CONFIG_PPC_MM_SLICES is not set
# CONFIG_SMP is not set
CONFIG_PPC32=y
CONFIG_WORD_SIZE=32
CONFIG_PPC_MERGE=y
CONFIG_MMU=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_GENERIC_TIME=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_HARDIRQS=y
# CONFIG_ARCH_SETS_UP_PER_CPU_AREA is not set
CONFIG_IRQ_PER_CPU=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_ARCH_HAS_ILOG2_U32=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
# CONFIG_ARCH_NO_VIRT_TO_BUS is not set
CONFIG_PPC=y
CONFIG_EARLY_PRINTK=y
CONFIG_GENERIC_NVRAM=y
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_PPC_OF=y
CONFIG_OF=y
CONFIG_PPC_UDBG_16550=y
# CONFIG_GENERIC_TBSYNC is not set
CONFIG_AUDIT_ARCH=y
CONFIG_GENERIC_BUG=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
# CONFIG_DEFAULT_UIMAGE is not set
CONFIG_HIBERNATE_32=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
# CONFIG_PPC_DCR_NATIVE is not set
# CONFIG_PPC_DCR_MMIO is not set
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"

#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
# CONFIG_AUDIT is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=18
# CONFIG_CGROUPS is not set
CONFIG_FAIR_GROUP_SCHED=y
CONFIG_FAIR_USER_SCHED=y
# CONFIG_FAIR_CGROUP_SCHED is not set
CONFIG_SYSFS_DEPRECATED=y
# CONFIG_RELAY is not set
CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_IPC_NS is not set
# CONFIG_USER_NS is not set
# CONFIG_PID_NS is not set
# CONFIG_BLK_DEV_INITRD is not set
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SYSCTL=y
# CONFIG_EMBEDDED is not set
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_ANON_INODES=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
CONFIG_BLOCK=y
# CONFIG_LBD is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_LSF is not set
# CONFIG_BLK_DEV_BSG is not set

#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_DEADLINE is not set
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"
# CONFIG_CLASSIC_RCU is not set
CONFIG_PREEMPT_RCU=y

#
# Platform support
#
CONFIG_PPC_MULTIPLATFORM=y
# CONFIG_PPC_82xx is not set
# CONFIG_PPC_83xx is not set
# CONFIG_PPC_86xx is not set
CONFIG_CLASSIC32=y
CONFIG_PPC_CHRP=y
# CONFIG_PPC_MPC52xx is not set
# CONFIG_PPC_MPC5200 is not set
# CONFIG_PPC_EFIKA is not set
# CONFIG_PPC_LITE5200 is not set
CONFIG_PPC_PMAC=y
# CONFIG_PPC_CELL is not set
# CONFIG_PPC_CELL_NATIVE is not set
# CONFIG_PQ2ADS is not set
# CONFIG_EMBEDDED6xx is not set
CONFIG_PPC_NATIVE=y
# CONFIG_UDBG_RTAS_CONSOLE is not set
CONFIG_MPIC=y
# CONFIG_MPIC_WEIRD is not set
CONFIG_PPC_I8259=y
CONFIG_PPC_RTAS=y
# CONFIG_RTAS_ERROR_LOGGING is not set
CONFIG_RTAS_PROC=y
# CONFIG_MMIO_NVRAM is not set
CONFIG_PPC_MPC106=y
# CONFIG_PPC_970_NAP is not set
# CONFIG_PPC_INDIRECT_IO is not set
# CONFIG_GENERIC_IOMAP is not set
# CONFIG_CPU_FREQ is not set
CONFIG_PPC601_SYNC_FIX=y
CONFIG_TAU=y
# CONFIG_TAU_INT is not set
CONFIG_TAU_AVERAGE=y
# CONFIG_CPM2 is not set
# CONFIG_FSL_ULI1575 is not set

#
# Kernel options
#
# CONFIG_HIGHMEM is not set
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
# CONFIG_HZ_100 is not set
# CONFIG_HZ_250 is not set
CONFIG_HZ_300=y
# CONFIG_HZ_1000 is not set
CONFIG_HZ=300
# CONFIG_SCHED_HRTICK is not set
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
CONFIG_RCU_TRACE=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_IOMMU_HELPER is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_HAS_WALK_MEMORY=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
# CONFIG_KEXEC is not set
CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
CONFIG_PROC_DEVICETREE=y
# CONFIG_CMDLINE_BOOL is not set
CONFIG_ARCH_WANTS_FREEZER_CONTROL=y
CONFIG_PM=y
CONFIG_PM_LEGACY=y
# CONFIG_PM_DEBUG is not set
CONFIG_PM_SLEEP=y
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=" /dev/hda4"
CONFIG_APM_EMULATION=y
CONFIG_SECCOMP=y
# CONFIG_WANT_DEVICE_TREE is not set
CONFIG_ISA_DMA_API=y

#
# Bus options
#
# CONFIG_ISA is not set
CONFIG_ZONE_DMA=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PPC_INDIRECT_PCI=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_SYSCALL=y
# CONFIG_PCIEPORTBUS is not set
CONFIG_ARCH_SUPPORTS_MSI=y
# CONFIG_PCI_MSI is not set
# CONFIG_PCI_LEGACY is not set
# CONFIG_PCI_DEBUG is not set
# CONFIG_PCCARD is not set
# CONFIG_HOTPLUG_PCI is not set

#
# Advanced setup
#
# CONFIG_ADVANCED_OPTIONS is not set

#
# Default settings for advanced configuration options are used
#
CONFIG_HIGHMEM_START=0xfe000000
CONFIG_LOWMEM_SIZE=0x30000000
CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0xc0000000
CONFIG_BOOT_LOAD=0x00800000

#
# Networking
#
CONFIG_NET=y

#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
CONFIG_XFRM=y
CONFIG_XFRM_USER=m
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
# CONFIG_XFRM_STATISTICS is not set
CONFIG_NET_KEY=m
# CONFIG_NET_KEY_MIGRATE is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_SCHED is not set

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set

#
# Wireless
#
# CONFIG_CFG80211 is not set
# CONFIG_WIRELESS_EXT is not set
# CONFIG_MAC80211 is not set
# CONFIG_IEEE80211 is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=m
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_CONNECTOR is not set
# CONFIG_MTD is not set
CONFIG_OF_DEVICE=y
# CONFIG_PARPORT is not set
CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_FD is not set
# CONFIG_MAC_FLOPPY is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_SX8=m
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=8192
# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
# CONFIG_MISC_DEVICES is not set
CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y

#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_IDE_SATA is not set
CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set
CONFIG_BLK_DEV_IDECD=m
CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set
# CONFIG_BLK_DEV_IDESCSI is not set
# CONFIG_IDE_TASK_IOCTL is not set
CONFIG_IDE_PROC_FS=y

#
# IDE chipset support/bugfixes
#
CONFIG_IDE_GENERIC=y
# CONFIG_BLK_DEV_PLATFORM is not set

#
# PCI IDE chipsets support
#
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_IDEPCI_PCIBUS_ORDER=y
# CONFIG_BLK_DEV_GENERIC is not set
# CONFIG_BLK_DEV_OPTI621 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_AEC62XX is not set
# CONFIG_BLK_DEV_ALI15X3 is not set
# CONFIG_BLK_DEV_AMD74XX is not set
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_CY82C693 is not set
# CONFIG_BLK_DEV_CS5520 is not set
# CONFIG_BLK_DEV_CS5530 is not set
# CONFIG_BLK_DEV_HPT34X is not set
# CONFIG_BLK_DEV_HPT366 is not set
# CONFIG_BLK_DEV_JMICRON is not set
# CONFIG_BLK_DEV_SC1200 is not set
# CONFIG_BLK_DEV_PIIX is not set
# CONFIG_BLK_DEV_IT8213 is not set
# CONFIG_BLK_DEV_IT821X is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SL82C105 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_BLK_DEV_TC86C001 is not set
CONFIG_BLK_DEV_IDE_PMAC=y
CONFIG_BLK_DEV_IDE_PMAC_ATA100FIRST=y
CONFIG_BLK_DEV_IDEDMA_PMAC=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_IDE_ARCH_OBSOLETE_INIT=y
# CONFIG_BLK_DEV_HD is not set

#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
# CONFIG_SCSI_NETLINK is not set
CONFIG_SCSI_PROC_FS=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
CONFIG_BLK_DEV_SR=y
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=y
# CONFIG_CHR_DEV_SCH is not set

#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
# CONFIG_SCSI_MULTI_LUN is not set
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set
# CONFIG_SCSI_SCAN_ASYNC is not set
CONFIG_SCSI_WAIT_SCAN=m

#
# SCSI Transports
#
# CONFIG_SCSI_SPI_ATTRS is not set
# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
# CONFIG_SCSI_SRP_ATTRS is not set
# CONFIG_SCSI_LOWLEVEL is not set
# CONFIG_ATA is not set
# CONFIG_MD is not set
# CONFIG_FUSION is not set

#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
# CONFIG_IEEE1394 is not set
# CONFIG_I2O is not set
CONFIG_MACINTOSH_DRIVERS=y
CONFIG_ADB=y
CONFIG_ADB_CUDA=y
CONFIG_ADB_PMU=y
CONFIG_ADB_PMU_LED=y
CONFIG_ADB_PMU_LED_IDE=y
CONFIG_PMAC_APM_EMU=y
CONFIG_PMAC_MEDIABAY=y
CONFIG_PMAC_BACKLIGHT=y
CONFIG_PMAC_BACKLIGHT_LEGACY=y
CONFIG_ADB_MACIO=y
CONFIG_INPUT_ADBHID=y
CONFIG_MAC_EMUMOUSEBTN=y
# CONFIG_THERM_WINDTUNNEL is not set
CONFIG_THERM_ADT746X=y
CONFIG_WINDFARM=y
# CONFIG_ANSLCD is not set
# CONFIG_PMAC_RACKMETER is not set
CONFIG_NETDEVICES=y
# CONFIG_NETDEVICES_MULTIQUEUE is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
CONFIG_TUN=m
# CONFIG_VETH is not set
# CONFIG_ARCNET is not set
# CONFIG_PHYLIB is not set
CONFIG_NET_ETHERNET=y
CONFIG_MII=y
# CONFIG_MACE is not set
# CONFIG_BMAC is not set
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
# CONFIG_NET_VENDOR_3COM is not set
CONFIG_NET_TULIP=y
# CONFIG_DE2104X is not set
CONFIG_TULIP=y
CONFIG_TULIP_MWI=y
CONFIG_TULIP_MMIO=y
CONFIG_TULIP_NAPI=y
CONFIG_TULIP_NAPI_HW_MITIGATION=y
# CONFIG_DE4X5 is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_DM9102 is not set
# CONFIG_ULI526X is not set
# CONFIG_HP100 is not set
# CONFIG_IBM_NEW_EMAC_ZMII is not set
# CONFIG_IBM_NEW_EMAC_RGMII is not set
# CONFIG_IBM_NEW_EMAC_TAH is not set
# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
# CONFIG_NET_PCI is not set
# CONFIG_B44 is not set
# CONFIG_NETDEV_1000 is not set
# CONFIG_NETDEV_10000 is not set
# CONFIG_TR is not set

#
# Wireless LAN
#
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set

#
# USB Network Adapters
#
# CONFIG_USB_CATC is not set
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
# CONFIG_USB_USBNET is not set
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_NET_FC is not set
CONFIG_NETCONSOLE=m
# CONFIG_NETCONSOLE_DYNAMIC is not set
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_TRAP is not set
CONFIG_NET_POLL_CONTROLLER=y
# CONFIG_ISDN is not set
# CONFIG_PHONE is not set

#
# Input device support
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
# CONFIG_INPUT_POLLDEV is not set

#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set

#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_LIFEBOOK=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_PS2_TOUCHKIT is not set
# CONFIG_MOUSE_PS2_ELANTECH is not set
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_VSXXXAA is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
CONFIG_INPUT_MISC=y
CONFIG_INPUT_PCSPKR=m
# CONFIG_INPUT_ATI_REMOTE is not set
# CONFIG_INPUT_ATI_REMOTE2 is not set
# CONFIG_INPUT_KEYSPAN_REMOTE is not set
# CONFIG_INPUT_POWERMATE is not set
# CONFIG_INPUT_YEALINK is not set
# CONFIG_INPUT_UINPUT is not set

#
# Hardware I/O ports
#
CONFIG_SERIO=y
# CONFIG_SERIO_I8042 is not set
# CONFIG_SERIO_SERPORT is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
# CONFIG_SERIO_RAW is not set
# CONFIG_GAMEPORT is not set

#
# Character devices
#
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_NOZOMI is not set

#
# Serial drivers
#
# CONFIG_SERIAL_8250 is not set

#
# Non-8250 serial port support
#
# CONFIG_SERIAL_UARTLITE is not set
# CONFIG_SERIAL_PMACZILOG is not set
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_BRIQ_PANEL is not set
# CONFIG_HVC_RTAS is not set
# CONFIG_IPMI_HANDLER is not set
CONFIG_HW_RANDOM=y
CONFIG_NVRAM=y
CONFIG_GEN_RTC=y
CONFIG_GEN_RTC_X=y
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_TCG_TPM is not set
CONFIG_DEVPORT=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=m

#
# I2C Algorithms
#
CONFIG_I2C_ALGOBIT=m
# CONFIG_I2C_ALGOPCF is not set
# CONFIG_I2C_ALGOPCA is not set

#
# I2C Hardware Bus support
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
CONFIG_I2C_HYDRA=m
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_I810 is not set
# CONFIG_I2C_PIIX4 is not set
CONFIG_I2C_POWERMAC=y
CONFIG_I2C_MPC=m
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_PROSAVAGE is not set
# CONFIG_I2C_SAVAGE4 is not set
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_TINY_USB is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
# CONFIG_I2C_VOODOO3 is not set

#
# Miscellaneous I2C Chip support
#
# CONFIG_DS1682 is not set
# CONFIG_SENSORS_EEPROM is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_PCF8575 is not set
# CONFIG_SENSORS_PCA9539 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_TPS65010 is not set
# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_OZ99X is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set

#
# SPI support
#
# CONFIG_SPI is not set
# CONFIG_SPI_MASTER is not set
# CONFIG_W1 is not set
# CONFIG_POWER_SUPPLY is not set
# CONFIG_HWMON is not set
# CONFIG_WATCHDOG is not set

#
# Sonics Silicon Backplane
#
CONFIG_SSB_POSSIBLE=y
# CONFIG_SSB is not set

#
# Multifunction device drivers
#
# CONFIG_MFD_SM501 is not set

#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
# CONFIG_DAB is not set

#
# Graphics support
#
CONFIG_AGP=m
CONFIG_AGP_UNINORTH=m
# CONFIG_DRM is not set
CONFIG_VGASTATE=y
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
# CONFIG_FB_DDC is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
# CONFIG_FB_SYS_FILLRECT is not set
# CONFIG_FB_SYS_COPYAREA is not set
# CONFIG_FB_SYS_IMAGEBLIT is not set
# CONFIG_FB_SYS_FOPS is not set
CONFIG_FB_DEFERRED_IO=y
# CONFIG_FB_SVGALIB is not set
CONFIG_FB_MACMODES=y
CONFIG_FB_BACKLIGHT=y
CONFIG_FB_MODE_HELPERS=y
# CONFIG_FB_TILEBLITTING is not set

#
# Frame buffer hardware drivers
#
# CONFIG_FB_CIRRUS is not set
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
# CONFIG_FB_OF is not set
# CONFIG_FB_CONTROL is not set
# CONFIG_FB_PLATINUM is not set
# CONFIG_FB_VALKYRIE is not set
# CONFIG_FB_CT65550 is not set
# CONFIG_FB_ASILIANT is not set
CONFIG_FB_IMSTT=y
CONFIG_FB_VGA16=y
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_MATROX is not set
# CONFIG_FB_RADEON is not set
CONFIG_FB_ATY128=y
CONFIG_FB_ATY128_BACKLIGHT=y
# CONFIG_FB_ATY is not set
# CONFIG_FB_S3 is not set
# CONFIG_FB_SAVAGE is not set
# CONFIG_FB_SIS is not set
# CONFIG_FB_NEOMAGIC is not set
# CONFIG_FB_KYRO is not set
# CONFIG_FB_3DFX is not set
# CONFIG_FB_VOODOO1 is not set
# CONFIG_FB_VT8623 is not set
# CONFIG_FB_TRIDENT is not set
# CONFIG_FB_ARK is not set
# CONFIG_FB_PM3 is not set
# CONFIG_FB_IBM_GXT4500 is not set
# CONFIG_FB_VIRTUAL is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_CORGI is not set

#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
CONFIG_LOGO_LINUX_CLUT224=y

#
# Sound
#
CONFIG_SOUND=m

#
# Advanced Linux Sound Architecture
#
CONFIG_SND=m
CONFIG_SND_TIMER=m
CONFIG_SND_PCM=m
CONFIG_SND_SEQUENCER=m
# CONFIG_SND_SEQ_DUMMY is not set
CONFIG_SND_OSSEMUL=y
CONFIG_SND_MIXER_OSS=m
CONFIG_SND_PCM_OSS=m
CONFIG_SND_PCM_OSS_PLUGINS=y
# CONFIG_SND_SEQUENCER_OSS is not set
# CONFIG_SND_DYNAMIC_MINORS is not set
CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_VERBOSE_PROCFS=y
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set

#
# Generic devices
#
# CONFIG_SND_DUMMY is not set
# CONFIG_SND_VIRMIDI is not set
# CONFIG_SND_MTPAV is not set
# CONFIG_SND_SERIAL_U16550 is not set
# CONFIG_SND_MPU401 is not set

#
# PCI devices
#
# CONFIG_SND_AD1889 is not set
# CONFIG_SND_ALS300 is not set
# CONFIG_SND_ALS4000 is not set
# CONFIG_SND_ALI5451 is not set
# CONFIG_SND_ATIIXP is not set
# CONFIG_SND_ATIIXP_MODEM is not set
# CONFIG_SND_AU8810 is not set
# CONFIG_SND_AU8820 is not set
# CONFIG_SND_AU8830 is not set
# CONFIG_SND_AZT3328 is not set
# CONFIG_SND_BT87X is not set
# CONFIG_SND_CA0106 is not set
# CONFIG_SND_CMIPCI is not set
# CONFIG_SND_OXYGEN is not set
# CONFIG_SND_CS4281 is not set
# CONFIG_SND_CS46XX is not set
# CONFIG_SND_CS5530 is not set
# CONFIG_SND_DARLA20 is not set
# CONFIG_SND_GINA20 is not set
# CONFIG_SND_LAYLA20 is not set
# CONFIG_SND_DARLA24 is not set
# CONFIG_SND_GINA24 is not set
# CONFIG_SND_LAYLA24 is not set
# CONFIG_SND_MONA is not set
# CONFIG_SND_MIA is not set
# CONFIG_SND_ECHO3G is not set
# CONFIG_SND_INDIGO is not set
# CONFIG_SND_INDIGOIO is not set
# CONFIG_SND_INDIGODJ is not set
# CONFIG_SND_EMU10K1 is not set
# CONFIG_SND_EMU10K1X is not set
# CONFIG_SND_ENS1370 is not set
# CONFIG_SND_ENS1371 is not set
# CONFIG_SND_ES1938 is not set
# CONFIG_SND_ES1968 is not set
# CONFIG_SND_FM801 is not set
# CONFIG_SND_HDA_INTEL is not set
# CONFIG_SND_HDSP is not set
# CONFIG_SND_HDSPM is not set
# CONFIG_SND_ICE1712 is not set
# CONFIG_SND_INTEL8X0 is not set
# CONFIG_SND_INTEL8X0M is not set
# CONFIG_SND_KORG1212 is not set
# CONFIG_SND_MAESTRO3 is not set
# CONFIG_SND_MIXART is not set
# CONFIG_SND_NM256 is not set
# CONFIG_SND_PCXHR is not set
# CONFIG_SND_RIPTIDE is not set
# CONFIG_SND_RME32 is not set
# CONFIG_SND_RME96 is not set
# CONFIG_SND_RME9652 is not set
# CONFIG_SND_SONICVIBES is not set
# CONFIG_SND_TRIDENT is not set
# CONFIG_SND_VIA82XX is not set
# CONFIG_SND_VIA82XX_MODEM is not set
# CONFIG_SND_VIRTUOSO is not set
# CONFIG_SND_VX222 is not set
# CONFIG_SND_YMFPCI is not set

#
# ALSA PowerMac devices
#
CONFIG_SND_POWERMAC=m
CONFIG_SND_POWERMAC_AUTO_DRC=y

#
# ALSA PowerPC devices
#

#
# Apple Onboard Audio driver
#
CONFIG_SND_AOA=m
CONFIG_SND_AOA_FABRIC_LAYOUT=m
CONFIG_SND_AOA_ONYX=m
CONFIG_SND_AOA_TAS=m
CONFIG_SND_AOA_TOONIE=m
CONFIG_SND_AOA_SOUNDBUS=m
CONFIG_SND_AOA_SOUNDBUS_I2S=m

#
# USB devices
#
# CONFIG_SND_USB_AUDIO is not set
# CONFIG_SND_USB_USX2Y is not set
# CONFIG_SND_USB_CAIAQ is not set

#
# System on Chip audio support
#
# CONFIG_SND_SOC is not set

#
# SoC Audio support for SuperH
#

#
# ALSA SoC audio for Freescale SOCs
#

#
# Open Sound System
#
# CONFIG_SOUND_PRIME is not set
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
CONFIG_HID_DEBUG=y
# CONFIG_HIDRAW is not set

#
# USB Input Devices
#
CONFIG_USB_HID=m
CONFIG_USB_HIDINPUT_POWERBOOK=y
# CONFIG_HID_FF is not set
CONFIG_USB_HIDDEV=y

#
# USB HID Boot Protocol drivers
#
# CONFIG_USB_KBD is not set
# CONFIG_USB_MOUSE is not set
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=m
# CONFIG_USB_DEBUG is not set
# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set

#
# Miscellaneous USB options
#
CONFIG_USB_DEVICEFS=y
CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
CONFIG_USB_SUSPEND=y
# CONFIG_USB_PERSIST is not set
# CONFIG_USB_OTG is not set

#
# USB Host Controller Drivers
#
CONFIG_USB_EHCI_HCD=m
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_HCD_PPC_OF=y
# CONFIG_USB_ISP116X_HCD is not set
CONFIG_USB_OHCI_HCD=m
CONFIG_USB_OHCI_HCD_PPC_OF=y
CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
# CONFIG_USB_OHCI_HCD_PPC_OF_LE is not set
CONFIG_USB_OHCI_HCD_PCI=y
CONFIG_USB_OHCI_BIG_ENDIAN_DESC=y
CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_UHCI_HCD=m
# CONFIG_USB_SL811_HCD is not set
# CONFIG_USB_R8A66597_HCD is not set

#
# USB Device Class drivers
#
# CONFIG_USB_ACM is not set
# CONFIG_USB_PRINTER is not set

#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
#

#
# may also be needed; see USB_STORAGE Help for more information
#
CONFIG_USB_STORAGE=m
# CONFIG_USB_STORAGE_DEBUG is not set
# CONFIG_USB_STORAGE_DATAFAB is not set
CONFIG_USB_STORAGE_FREECOM=y
CONFIG_USB_STORAGE_ISD200=y
CONFIG_USB_STORAGE_DPCM=y
CONFIG_USB_STORAGE_USBAT=y
CONFIG_USB_STORAGE_SDDR09=y
CONFIG_USB_STORAGE_SDDR55=y
CONFIG_USB_STORAGE_JUMPSHOT=y
# CONFIG_USB_STORAGE_ALAUDA is not set
# CONFIG_USB_STORAGE_ONETOUCH is not set
# CONFIG_USB_STORAGE_KARMA is not set
# CONFIG_USB_LIBUSUAL is not set

#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK is not set
# CONFIG_USB_MON is not set

#
# USB port drivers
#

#
# USB Serial Converter support
#
CONFIG_USB_SERIAL=m
CONFIG_USB_SERIAL_GENERIC=y
CONFIG_USB_SERIAL_AIRCABLE=m
CONFIG_USB_SERIAL_AIRPRIME=m
# CONFIG_USB_SERIAL_ARK3116 is not set
# CONFIG_USB_SERIAL_BELKIN is not set
# CONFIG_USB_SERIAL_CH341 is not set
# CONFIG_USB_SERIAL_WHITEHEAT is not set
# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
CONFIG_USB_SERIAL_CP2101=m
# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
# CONFIG_USB_SERIAL_EMPEG is not set
# CONFIG_USB_SERIAL_FTDI_SIO is not set
# CONFIG_USB_SERIAL_FUNSOFT is not set
# CONFIG_USB_SERIAL_VISOR is not set
# CONFIG_USB_SERIAL_IPAQ is not set
# CONFIG_USB_SERIAL_IR is not set
# CONFIG_USB_SERIAL_EDGEPORT is not set
# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
# CONFIG_USB_SERIAL_GARMIN is not set
CONFIG_USB_SERIAL_IPW=m
# CONFIG_USB_SERIAL_IUU is not set
# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
# CONFIG_USB_SERIAL_KEYSPAN is not set
# CONFIG_USB_SERIAL_KLSI is not set
# CONFIG_USB_SERIAL_KOBIL_SCT is not set
# CONFIG_USB_SERIAL_MCT_U232 is not set
CONFIG_USB_SERIAL_MOS7720=m
CONFIG_USB_SERIAL_MOS7840=m
# CONFIG_USB_SERIAL_NAVMAN is not set
# CONFIG_USB_SERIAL_PL2303 is not set
# CONFIG_USB_SERIAL_OTI6858 is not set
# CONFIG_USB_SERIAL_HP4X is not set
# CONFIG_USB_SERIAL_SAFE is not set
CONFIG_USB_SERIAL_SIERRAWIRELESS=m
# CONFIG_USB_SERIAL_TI is not set
# CONFIG_USB_SERIAL_CYBERJACK is not set
# CONFIG_USB_SERIAL_XIRCOM is not set
# CONFIG_USB_SERIAL_OPTION is not set
CONFIG_USB_SERIAL_OMNINET=m
# CONFIG_USB_SERIAL_DEBUG is not set

#
# USB Miscellaneous drivers
#
# CONFIG_USB_EMI62 is not set
# CONFIG_USB_EMI26 is not set
# CONFIG_USB_ADUTUX is not set
# CONFIG_USB_AUERSWALD is not set
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_BERRY_CHARGE is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_PHIDGET is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
# CONFIG_USB_GOTEMP is not set

#
# USB DSL modem support
#

#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y

#
# LED drivers
#

#
# LED Triggers
#
CONFIG_LEDS_TRIGGERS=y
# CONFIG_LEDS_TRIGGER_TIMER is not set
CONFIG_LEDS_TRIGGER_IDE_DISK=y
# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
# CONFIG_INFINIBAND is not set
# CONFIG_EDAC is not set
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set

#
# Userspace I/O
#
# CONFIG_UIO is not set

#
# File systems
#
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
# CONFIG_EXT3_FS_XATTR is not set
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
# CONFIG_REISER4_FS is not set
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
CONFIG_QUOTA=y
# CONFIG_QUOTA_NETLINK_INTERFACE is not set
CONFIG_PRINT_QUOTA_WARNING=y
# CONFIG_QFMT_V1 is not set
CONFIG_QFMT_V2=m
CONFIG_QUOTACTL=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
CONFIG_FUSE_FS=m
CONFIG_GENERIC_ACL=y

#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
# CONFIG_ZISOFS is not set
CONFIG_UDF_FS=m
CONFIG_UDF_NLS=y

#
# DOS/FAT/NT Filesystems
#
# CONFIG_MSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_NTFS_FS is not set

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
# CONFIG_HUGETLB_PAGE is not set
# CONFIG_CONFIGFS_FS is not set

#
# Layered filesystems
#
# CONFIG_UNION_FS is not set

#
# Miscellaneous filesystems
#
# CONFIG_ADFS_FS is not set
CONFIG_AFFS_FS=m
CONFIG_HFS_FS=y
CONFIG_HFSPLUS_FS=y
CONFIG_BEFS_FS=m
# CONFIG_BEFS_DEBUG is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
CONFIG_UFS_FS=m
# CONFIG_UFS_FS_WRITE is not set
# CONFIG_UFS_DEBUG is not set
# CONFIG_NETWORK_FILESYSTEMS is not set

#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
# CONFIG_OSF_PARTITION is not set
# CONFIG_AMIGA_PARTITION is not set
# CONFIG_ATARI_PARTITION is not set
CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
# CONFIG_MINIX_SUBPARTITION is not set
# CONFIG_SOLARIS_X86_PARTITION is not set
# CONFIG_UNIXWARE_DISKLABEL is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
# CONFIG_SYSV68_PARTITION is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
# CONFIG_NLS_ASCII is not set
CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
CONFIG_NLS_UTF8=y
# CONFIG_DLM is not set
# CONFIG_UCC_SLOW is not set

#
# Library routines
#
CONFIG_BITREVERSE=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
# CONFIG_INSTRUMENTATION is not set
CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_KPROBES=y

#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_PAGE_OWNER is not set
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
CONFIG_DETECT_SOFTLOCKUP=y
CONFIG_SCHED_DEBUG=y
# CONFIG_SCHEDSTATS is not set
# CONFIG_TIMER_STATS is not set
# CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
CONFIG_DEBUG_SPINLOCK=y
# CONFIG_DEBUG_MUTEXES is not set
CONFIG_DEBUG_SPINLOCK_SLEEP=y
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_PROFILE_LIKELY is not set
# CONFIG_FORCED_INLINING is not set
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_DEBUG_SYNCHRO_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_SAMPLES is not set
# CONFIG_WANT_EXTRA_DEBUG_INFORMATION is not set
# CONFIG_UNWIND_INFO is not set
# CONFIG_KGDB_ATTACH_WAIT is not set
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_DEBUGGER is not set
# CONFIG_VIRQ_DEBUG is not set
# CONFIG_BDI_SWITCH is not set
CONFIG_BOOTX_TEXT=y
# CONFIG_PPC_EARLY_DEBUG is not set

#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
# CONFIG_SECURITY_FILE_CAPABILITIES is not set
CONFIG_CRYPTO=y
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_BLKCIPHER=m
# CONFIG_CRYPTO_SEQIV is not set
CONFIG_CRYPTO_MANAGER=y
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
# CONFIG_CRYPTO_SHA1 is not set
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_TGR192 is not set
# CONFIG_CRYPTO_GF128MUL is not set
# CONFIG_CRYPTO_ECB is not set
CONFIG_CRYPTO_CBC=m
# CONFIG_CRYPTO_PCBC is not set
# CONFIG_CRYPTO_LRW is not set
# CONFIG_CRYPTO_XTS is not set
# CONFIG_CRYPTO_CTR is not set
# CONFIG_CRYPTO_GCM is not set
# CONFIG_CRYPTO_CCM is not set
# CONFIG_CRYPTO_CRYPTD is not set
# CONFIG_CRYPTO_DES is not set
# CONFIG_CRYPTO_FCRYPT is not set
# CONFIG_CRYPTO_BLOWFISH is not set
# CONFIG_CRYPTO_TWOFISH is not set
# CONFIG_CRYPTO_SERPENT is not set
# CONFIG_CRYPTO_AES is not set
# CONFIG_CRYPTO_CAST5 is not set
# CONFIG_CRYPTO_CAST6 is not set
# CONFIG_CRYPTO_TEA is not set
# CONFIG_CRYPTO_ARC4 is not set
# CONFIG_CRYPTO_KHAZAD is not set
# CONFIG_CRYPTO_ANUBIS is not set
# CONFIG_CRYPTO_SEED is not set
# CONFIG_CRYPTO_SALSA20 is not set
# CONFIG_CRYPTO_DEFLATE is not set
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_CAMELLIA is not set
# CONFIG_CRYPTO_TEST is not set
# CONFIG_CRYPTO_AUTHENC is not set
# CONFIG_CRYPTO_LZO is not set
# CONFIG_CRYPTO_HW is not set
# CONFIG_PPC_CLOCK is not set

Re: 2.6.24-rc8-mm1 powerpc build errors

[Olof Johansson]

Hi,

My powerpc build-all-defconfigs script found the following:

mpc837x_mds_defconfig. Brokage looks like it came from libata's
for_each_sg() patch.

drivers/ata/sata_fsl.c: In function 'sata_fsl_fill_sg':
drivers/ata/sata_fsl.c:337: error: redeclaration of 'si' with no linkage
drivers/ata/sata_fsl.c:326: error: previous declaration of 'si' was here

powerpc_allyesconfig:

drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_add':
drivers/net/ehea/ehea_main.c:2812: error: 'struct device_driver' has no member named 'kobj'
drivers/net/ehea/ehea_main.c:2815: error: 'struct device_driver' has no member named 'kobj'
drivers/net/ehea/ehea_main.c:2818: error: 'struct device_driver' has no member named 'kobj'
drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_remove':
drivers/net/ehea/ehea_main.c:2830: error: 'struct device_driver' has no member named 'kobj'


-Olof

Re: 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: field 'partition' has incomplete type

[Andrew Morton]

On Thu, 17 Jan 2008 19:18:07 +0100 Mariusz Kozlowski <m.kozlowski@tuxland.pl> wrote:

>   CC [M]  sound/ppc/awacs.o
> In file included from sound/ppc/awacs.c:24:
> include/asm/nvram.h:62: error: field 'partition' has incomplete type
> make[1]: *** [sound/ppc/awacs.o] Error 1
> make: *** [sound/ppc/awacs.o] Error 2

hm.

--- a/include/asm-powerpc/nvram.h~include-asm-powerpc-nvramh-needs-listh
+++ a/include/asm-powerpc/nvram.h
@@ -11,6 +11,7 @@
 #define _ASM_POWERPC_NVRAM_H
 
 #include <linux/errno.h>
+#include <linux/list.h>
 
 #define NVRW_CNT 0x20
 #define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */
_

I wonder why mainline isn't busted actually.

Re: 2.6.24-rc8-mm1 powerpc build errors

[Andrew Morton]

On Thu, 17 Jan 2008 13:06:39 -0600 Olof Johansson <olof@lixom.net> wrote:

> Hi,
> 
> My powerpc build-all-defconfigs script found the following:

thanks.

> mpc837x_mds_defconfig. Brokage looks like it came from libata's
> for_each_sg() patch.
> 
> drivers/ata/sata_fsl.c: In function 'sata_fsl_fill_sg':
> drivers/ata/sata_fsl.c:337: error: redeclaration of 'si' with no linkage
> drivers/ata/sata_fsl.c:326: error: previous declaration of 'si' was here

--- a/drivers/ata/sata_fsl.c~git-libata-all-fix-drivers-ata-sata_fslc
+++ a/drivers/ata/sata_fsl.c
@@ -323,7 +323,6 @@ static unsigned int sata_fsl_fill_sg(str
 	struct scatterlist *sg;
 	unsigned int num_prde = 0;
 	u32 ttl_dwords = 0;
-	unsigned int si;
 
 	/*
 	 * NOTE : direct & indirect prdt's are contigiously allocated
_

> powerpc_allyesconfig:
> 
> drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_add':
> drivers/net/ehea/ehea_main.c:2812: error: 'struct device_driver' has no member named 'kobj'
> drivers/net/ehea/ehea_main.c:2815: error: 'struct device_driver' has no member named 'kobj'
> drivers/net/ehea/ehea_main.c:2818: error: 'struct device_driver' has no member named 'kobj'
> drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_remove':
> drivers/net/ehea/ehea_main.c:2830: error: 'struct device_driver' has no member named 'kobj'

Looks like the driver tree wrecking ball failed to visit that driver.

Re: 2.6.24-rc8-mm1 powerpc build errors

[Greg KH]

On Thu, Jan 17, 2008 at 11:35:23AM -0800, Andrew Morton wrote:
> On Thu, 17 Jan 2008 13:06:39 -0600 Olof Johansson <olof@lixom.net> wrote:
> > powerpc_allyesconfig:
> > 
> > drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_add':
> > drivers/net/ehea/ehea_main.c:2812: error: 'struct device_driver' has no member named 'kobj'
> > drivers/net/ehea/ehea_main.c:2815: error: 'struct device_driver' has no member named 'kobj'
> > drivers/net/ehea/ehea_main.c:2818: error: 'struct device_driver' has no member named 'kobj'
> > drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_remove':
> > drivers/net/ehea/ehea_main.c:2830: error: 'struct device_driver' has no member named 'kobj'
> 
> Looks like the driver tree wrecking ball failed to visit that driver.

Crap, I thought I fixed that one, but the patch never made it out...
I'll fix that tomorrow, sorry about that.

greg k-h

Re: 2.6.24-rc8-mm1: powerpc oopses

[Mariusz Kozlowski]

Hello,

        The script below kills powerpc. oopses get longer and more
wonderful with every next 'cated' file.

/proc/<pid>/task/<pid>/pagemap seems to be the cause of oops. The
important thing is that it oopses for random (that is not first in a row)
process from /proc. So not every 'cat /proc/<pid>/task/<pid>/pagemap'
causes an oops.

I could try to bisect this but this powerpc box is iMac G3 (cpu at 400MHz)
and this will take time. So any hints appreciated.

Regards,

	Mariusz

script:
---------
#!/bin/bash

for i in `find /proc/*/ -readable -type f`; do
        echo -n "cat $i > /dev/null ... ";
        logger -t proc_loop $i;
        sync;
        cat $i > /dev/null;
        echo "done";
done
----------
syslog:
proc_loop: /proc/3731/task/3731/pagemap
kernel: BUG: sleeping function called from invalid context at fs/proc/task_mmu.c:554
kernel: in_atomic():1, irqs_disabled():0
kernel: Call Trace:
kernel: [cf1cddf0] [c000840c] show_stack+0x3c/0x194 (unreliable)
kernel: [cf1cde20] [c002b2ec] __might_sleep+0xf4/0x108
kernel: [cf1cde30] [c00d2d54] add_to_pagemap+0x40/0x11c
kernel: [cf1cde50] [c00d2f44] pagemap_pte_range+0xa8/0x10c
kernel: [cf1cde70] [c0081b30] walk_page_range+0x148/0x23c
kernel: [cf1cdeb0] [c00d3104] pagemap_read+0x15c/0x244
kernel: [cf1cdef0] [c0092144] vfs_read+0xc4/0x16c
kernel: [cf1cdf10] [c009261c] sys_read+0x4c/0x90
kernel: [cf1cdf40] [c001328c] ret_from_syscall+0x0/0x40
kernel: --- Exception: c01 at 0xff5a364
kernel:     LR = 0x10002f60
kernel: BUG: scheduling while atomic: cat/8929/0x00000002
kernel: Call Trace:
kernel: [cf1cde90] [c000840c] show_stack+0x3c/0x194 (unreliable)
kernel: [cf1cdec0] [c002db24] __schedule_bug+0x64/0x78
kernel: [cf1cdee0] [c027207c] schedule+0x304/0x32c
kernel: [cf1cdf40] [c0013a5c] recheck+0x0/0x28
kernel: --- Exception: c01 at 0xff5a364
kernel:     LR = 0x10002f60
kernel: BUG: scheduling while atomic: cat/8929/0x00000007
kernel: Call Trace:
kernel: [cf1cde90] [c000840c] show_stack+0x3c/0x194 (unreliable)
kernel: [cf1cdec0] [c002db24] __schedule_bug+0x64/0x78
kernel: [cf1cdee0] [c027207c] schedule+0x304/0x32c
kernel: [cf1cdf40] [c0013a5c] recheck+0x0/0x28
kernel: --- Exception: c01 at 0xff5a364
kernel:     LR = 0x10002f60
kernel: BUG: scheduling while atomic: cat/8929/0x00000009
kernel: Call Trace:
kernel: [cf1cde90] [c000840c] show_stack+0x3c/0x194 (unreliable)
kernel: [cf1cdec0] [c002db24] __schedule_bug+0x64/0x78
kernel: [cf1cdee0] [c027207c] schedule+0x304/0x32c
kernel: [cf1cdf40] [c0013a5c] recheck+0x0/0x28
kernel: --- Exception: c01 at 0xff5a364
kernel:     LR = 0x10002f60
kernel: Page fault in user mode with in_atomic() = 1 mm = cf2765a0
kernel: NIP = ff0cbc8  MSR = 4000f932
kernel: Oops: Weird page fault, sig: 11 [#3]
kernel: PREEMPT PowerMac
kernel: Modules linked in: usbhid ide_cd_mod ohci_hcd usbcore uninorth_agp agpgart
kernel: NIP: 0ff0cbc8 LR: 0ff0d398 CTR: 0ff0d2d0
kernel: REGS: cf1cdf50 TRAP: 0401   Tainted: G      D  (2.6.24-rc8-mm1)
kernel: MSR: 4000f932 <EE,PR,FP,ME,IR,DR>  CR: 28022442  XER: 00000000
kernel: TASK = cf8d74f0[8929] 'cat' THREAD: cf1cc000
kernel: GPR00: 00000001 bf93e330 48029bf0 0ffed488 10016038 28022442 00000000 0ff5a364 
kernel: GPR08: 0000f932 00000000 00001032 00000000 28022442 
kernel: NIP [0ff0cbc8] 0xff0cbc8
kernel: LR [0ff0d398] 0xff0d398
proc_loop: /proc/3731/task/3731/wchan
kernel: Call Trace:
kernel: ---[ end trace 54bd1ed4883922c9 ]---
kernel: note: cat[8929] exited with preempt_count 10
proc_loop: /proc/3731/task/3731/oom_score
proc_loop: /proc/3731/task/3731/oom_adj
proc_loop: /proc/3731/fdinfo/0
[... snip ...]

Re: 2.6.24-rc8-mm1: powerpc oopses

[Andrew Morton]

On Thu, 17 Jan 2008 23:15:27 +0100
Mariusz Kozlowski <m.kozlowski@tuxland.pl> wrote:

> Hello,
> 
>         The script below kills powerpc. oopses get longer and more
> wonderful with every next 'cated' file.

ppc32.

> /proc/<pid>/task/<pid>/pagemap seems to be the cause of oops. The
> important thing is that it oopses for random (that is not first in a row)
> process from /proc. So not every 'cat /proc/<pid>/task/<pid>/pagemap'
> causes an oops.
> 
> I could try to bisect this but this powerpc box is iMac G3 (cpu at 400MHz)
> and this will take time. So any hints appreciated.
> 
> Regards,
> 
> 	Mariusz
> 
> script:
> ---------
> #!/bin/bash
> 
> for i in `find /proc/*/ -readable -type f`; do
>         echo -n "cat $i > /dev/null ... ";
>         logger -t proc_loop $i;
>         sync;
>         cat $i > /dev/null;
>         echo "done";
> done
> ----------
> syslog:
> proc_loop: /proc/3731/task/3731/pagemap
> kernel: BUG: sleeping function called from invalid context at fs/proc/task_mmu.c:554
> kernel: in_atomic():1, irqs_disabled():0
> kernel: Call Trace:
> kernel: [cf1cddf0] [c000840c] show_stack+0x3c/0x194 (unreliable)
> kernel: [cf1cde20] [c002b2ec] __might_sleep+0xf4/0x108
> kernel: [cf1cde30] [c00d2d54] add_to_pagemap+0x40/0x11c
> kernel: [cf1cde50] [c00d2f44] pagemap_pte_range+0xa8/0x10c
> kernel: [cf1cde70] [c0081b30] walk_page_range+0x148/0x23c
> kernel: [cf1cdeb0] [c00d3104] pagemap_read+0x15c/0x244
> kernel: [cf1cdef0] [c0092144] vfs_read+0xc4/0x16c
> kernel: [cf1cdf10] [c009261c] sys_read+0x4c/0x90
> kernel: [cf1cdf40] [c001328c] ret_from_syscall+0x0/0x40

It's not really an oops - it's a warning.  add_to_pagemap() is doing a
put_user() inside pagemap_pte_range->pte_offset_map->kmap_atomic.

A known bug, I'm afraid.

How to fix?

- double-buffer the data to be copied to userspace or

- take a local copy of the pte page then work on that instead or

- play copy_to_user_inatomic() tricks.

It would be really nice to get the maps4 stuff merged this time around but
it is looking unlikely.

> kernel: --- Exception: c01 at 0xff5a364
> kernel:     LR = 0x10002f60
> kernel: BUG: scheduling while atomic: cat/8929/0x00000002
> kernel: Call Trace:
> kernel: [cf1cde90] [c000840c] show_stack+0x3c/0x194 (unreliable)
> kernel: [cf1cdec0] [c002db24] __schedule_bug+0x64/0x78
> kernel: [cf1cdee0] [c027207c] schedule+0x304/0x32c
> kernel: [cf1cdf40] [c0013a5c] recheck+0x0/0x28
> kernel: --- Exception: c01 at 0xff5a364
> kernel:     LR = 0x10002f60
> kernel: BUG: scheduling while atomic: cat/8929/0x00000007
> kernel: Call Trace:
> kernel: [cf1cde90] [c000840c] show_stack+0x3c/0x194 (unreliable)
> kernel: [cf1cdec0] [c002db24] __schedule_bug+0x64/0x78
> kernel: [cf1cdee0] [c027207c] schedule+0x304/0x32c
> kernel: [cf1cdf40] [c0013a5c] recheck+0x0/0x28
> kernel: --- Exception: c01 at 0xff5a364
> kernel:     LR = 0x10002f60
> kernel: BUG: scheduling while atomic: cat/8929/0x00000009
> kernel: Call Trace:
> kernel: [cf1cde90] [c000840c] show_stack+0x3c/0x194 (unreliable)
> kernel: [cf1cdec0] [c002db24] __schedule_bug+0x64/0x78
> kernel: [cf1cdee0] [c027207c] schedule+0x304/0x32c
> kernel: [cf1cdf40] [c0013a5c] recheck+0x0/0x28
> kernel: --- Exception: c01 at 0xff5a364
> kernel:     LR = 0x10002f60
> kernel: Page fault in user mode with in_atomic() = 1 mm = cf2765a0
> kernel: NIP = ff0cbc8  MSR = 4000f932
> kernel: Oops: Weird page fault, sig: 11 [#3]

hm.  Not sure how that happened.  The arch code thinks we're running in
user mode.

> kernel: PREEMPT PowerMac
> kernel: Modules linked in: usbhid ide_cd_mod ohci_hcd usbcore uninorth_agp agpgart
> kernel: NIP: 0ff0cbc8 LR: 0ff0d398 CTR: 0ff0d2d0
> kernel: REGS: cf1cdf50 TRAP: 0401   Tainted: G      D  (2.6.24-rc8-mm1)
> kernel: MSR: 4000f932 <EE,PR,FP,ME,IR,DR>  CR: 28022442  XER: 00000000
> kernel: TASK = cf8d74f0[8929] 'cat' THREAD: cf1cc000
> kernel: GPR00: 00000001 bf93e330 48029bf0 0ffed488 10016038 28022442 00000000 0ff5a364 
> kernel: GPR08: 0000f932 00000000 00001032 00000000 28022442 
> kernel: NIP [0ff0cbc8] 0xff0cbc8
> kernel: LR [0ff0d398] 0xff0d398
> proc_loop: /proc/3731/task/3731/wchan
> kernel: Call Trace:
> kernel: ---[ end trace 54bd1ed4883922c9 ]---
> kernel: note: cat[8929] exited with preempt_count 10
> proc_loop: /proc/3731/task/3731/oom_score
> proc_loop: /proc/3731/task/3731/oom_adj
> proc_loop: /proc/3731/fdinfo/0
> [... snip ...]

Re: 2.6.24-rc8-mm1: powerpc oopses

[Matt Mackall]

On Thu, 2008-01-17 at 14:51 -0800, Andrew Morton wrote:
> > proc_loop: /proc/3731/task/3731/pagemap
> > kernel: BUG: sleeping function called from invalid context at fs/proc/task_mmu.c:554
> > kernel: in_atomic():1, irqs_disabled():0
> > kernel: Call Trace:
> > kernel: [cf1cddf0] [c000840c] show_stack+0x3c/0x194 (unreliable)
> > kernel: [cf1cde20] [c002b2ec] __might_sleep+0xf4/0x108
> > kernel: [cf1cde30] [c00d2d54] add_to_pagemap+0x40/0x11c
> > kernel: [cf1cde50] [c00d2f44] pagemap_pte_range+0xa8/0x10c
> > kernel: [cf1cde70] [c0081b30] walk_page_range+0x148/0x23c
> > kernel: [cf1cdeb0] [c00d3104] pagemap_read+0x15c/0x244
> > kernel: [cf1cdef0] [c0092144] vfs_read+0xc4/0x16c
> > kernel: [cf1cdf10] [c009261c] sys_read+0x4c/0x90
> > kernel: [cf1cdf40] [c001328c] ret_from_syscall+0x0/0x40
> 
> It's not really an oops - it's a warning.  add_to_pagemap() is doing a
> put_user() inside pagemap_pte_range->pte_offset_map->kmap_atomic.
> 
> A known bug, I'm afraid.
> 
> How to fix?
> 
> - double-buffer the data to be copied to userspace or
> 
> - take a local copy of the pte page then work on that instead or
> 
> - play copy_to_user_inatomic() tricks.

Hmm, this fell off my radar. How about something like this as a minimal
fix (untested as -mm is a complete doorstop for me at the moment)?

diff -r 5595adaea70f fs/proc/task_mmu.c
--- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
+++ b/fs/proc/task_mmu.c	Thu Jan 17 17:29:21 2008 -0600
@@ -582,20 +583,26 @@
 {
 	struct pagemapread *pm = private;
 	pte_t *pte;
-	int err = 0;
+	int offset = 0, err = 0;
 
 	pte = pte_offset_map(pmd, addr);
-	for (; addr != end; pte++, addr += PAGE_SIZE) {
+	for (; addr != end; offset++, addr += PAGE_SIZE) {
 		u64 pfn = PM_NOT_PRESENT;
-		if (is_swap_pte(*pte))
-			pfn = swap_pte_to_pagemap_entry(*pte);
-		else if (pte_present(*pte))
-			pfn = pte_pfn(*pte);
+		if (is_swap_pte(pte[offset]))
+			pfn = swap_pte_to_pagemap_entry(pte[offset]);
+		else if (pte_present(pte[offset]))
+			pfn = pte_pfn(pte[offset]);
+#ifdef CONFIG_HIGHPTE
+		pte_unmap(pte);
 		err = add_to_pagemap(addr, pfn, pm);
+		pte = pte_offset_map(pmd, addr);
+#else
+		err = add_to_pagemap(addr, pfn, pm);
+#endif
 		if (err)
 			return err;
 	}
-	pte_unmap(pte - 1);
+	pte_unmap(pte);
 
 	cond_resched();
 

-- 
Mathematics is the supreme nostalgia of our time.

Re: 2.6.24-rc8-mm1: powerpc oopses

[Andrew Morton]

On Thu, 17 Jan 2008 17:39:54 -0600
Matt Mackall <mpm@selenic.com> wrote:

> 
> On Thu, 2008-01-17 at 14:51 -0800, Andrew Morton wrote:
> > > proc_loop: /proc/3731/task/3731/pagemap
> > > kernel: BUG: sleeping function called from invalid context at fs/proc/task_mmu.c:554
> > > kernel: in_atomic():1, irqs_disabled():0
> > > kernel: Call Trace:
> > > kernel: [cf1cddf0] [c000840c] show_stack+0x3c/0x194 (unreliable)
> > > kernel: [cf1cde20] [c002b2ec] __might_sleep+0xf4/0x108
> > > kernel: [cf1cde30] [c00d2d54] add_to_pagemap+0x40/0x11c
> > > kernel: [cf1cde50] [c00d2f44] pagemap_pte_range+0xa8/0x10c
> > > kernel: [cf1cde70] [c0081b30] walk_page_range+0x148/0x23c
> > > kernel: [cf1cdeb0] [c00d3104] pagemap_read+0x15c/0x244
> > > kernel: [cf1cdef0] [c0092144] vfs_read+0xc4/0x16c
> > > kernel: [cf1cdf10] [c009261c] sys_read+0x4c/0x90
> > > kernel: [cf1cdf40] [c001328c] ret_from_syscall+0x0/0x40
> > 
> > It's not really an oops - it's a warning.  add_to_pagemap() is doing a
> > put_user() inside pagemap_pte_range->pte_offset_map->kmap_atomic.
> > 
> > A known bug, I'm afraid.
> > 
> > How to fix?
> > 
> > - double-buffer the data to be copied to userspace or
> > 
> > - take a local copy of the pte page then work on that instead or
> > 
> > - play copy_to_user_inatomic() tricks.
> 
> Hmm, this fell off my radar. How about something like this as a minimal
> fix (untested as -mm is a complete doorstop for me at the moment)?
> 
> diff -r 5595adaea70f fs/proc/task_mmu.c
> --- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
> +++ b/fs/proc/task_mmu.c	Thu Jan 17 17:29:21 2008 -0600
> @@ -582,20 +583,26 @@
>  {
>  	struct pagemapread *pm = private;
>  	pte_t *pte;
> -	int err = 0;
> +	int offset = 0, err = 0;
>  
>  	pte = pte_offset_map(pmd, addr);
> -	for (; addr != end; pte++, addr += PAGE_SIZE) {
> +	for (; addr != end; offset++, addr += PAGE_SIZE) {
>  		u64 pfn = PM_NOT_PRESENT;
> -		if (is_swap_pte(*pte))
> -			pfn = swap_pte_to_pagemap_entry(*pte);
> -		else if (pte_present(*pte))
> -			pfn = pte_pfn(*pte);
> +		if (is_swap_pte(pte[offset]))
> +			pfn = swap_pte_to_pagemap_entry(pte[offset]);
> +		else if (pte_present(pte[offset]))
> +			pfn = pte_pfn(pte[offset]);
> +#ifdef CONFIG_HIGHPTE
> +		pte_unmap(pte);
>  		err = add_to_pagemap(addr, pfn, pm);
> +		pte = pte_offset_map(pmd, addr);
> +#else
> +		err = add_to_pagemap(addr, pfn, pm);
> +#endif
>  		if (err)
>  			return err;
>  	}
> -	pte_unmap(pte - 1);
> +	pte_unmap(pte);
>  
>  	cond_resched();
>  

Good point, it really can be taht simple.

Do we need the ifdef?  pte_offset_map/pte_unmap should be super-cheap on
!CONFIG_HIGHPTE builds.

Re: 2.6.24-rc8-mm1: powerpc oopses

[Matt Mackall]

On Thu, 2008-01-17 at 16:05 -0800, Andrew Morton wrote:
> On Thu, 17 Jan 2008 17:39:54 -0600
> Matt Mackall <mpm@selenic.com> wrote:
> 
> > 
> > On Thu, 2008-01-17 at 14:51 -0800, Andrew Morton wrote:
> > > > proc_loop: /proc/3731/task/3731/pagemap
> > > > kernel: BUG: sleeping function called from invalid context at fs/proc/task_mmu.c:554
> > > > kernel: in_atomic():1, irqs_disabled():0
> > > > kernel: Call Trace:
> > > > kernel: [cf1cddf0] [c000840c] show_stack+0x3c/0x194 (unreliable)
> > > > kernel: [cf1cde20] [c002b2ec] __might_sleep+0xf4/0x108
> > > > kernel: [cf1cde30] [c00d2d54] add_to_pagemap+0x40/0x11c
> > > > kernel: [cf1cde50] [c00d2f44] pagemap_pte_range+0xa8/0x10c
> > > > kernel: [cf1cde70] [c0081b30] walk_page_range+0x148/0x23c
> > > > kernel: [cf1cdeb0] [c00d3104] pagemap_read+0x15c/0x244
> > > > kernel: [cf1cdef0] [c0092144] vfs_read+0xc4/0x16c
> > > > kernel: [cf1cdf10] [c009261c] sys_read+0x4c/0x90
> > > > kernel: [cf1cdf40] [c001328c] ret_from_syscall+0x0/0x40
> > > 
> > > It's not really an oops - it's a warning.  add_to_pagemap() is doing a
> > > put_user() inside pagemap_pte_range->pte_offset_map->kmap_atomic.
> > > 
> > > A known bug, I'm afraid.
> > > 
> > > How to fix?
> > > 
> > > - double-buffer the data to be copied to userspace or
> > > 
> > > - take a local copy of the pte page then work on that instead or
> > > 
> > > - play copy_to_user_inatomic() tricks.
> > 
> > Hmm, this fell off my radar. How about something like this as a minimal
> > fix (untested as -mm is a complete doorstop for me at the moment)?
> > 
> > diff -r 5595adaea70f fs/proc/task_mmu.c
> > --- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
> > +++ b/fs/proc/task_mmu.c	Thu Jan 17 17:29:21 2008 -0600
> > @@ -582,20 +583,26 @@
> >  {
> >  	struct pagemapread *pm = private;
> >  	pte_t *pte;
> > -	int err = 0;
> > +	int offset = 0, err = 0;
> >  
> >  	pte = pte_offset_map(pmd, addr);
> > -	for (; addr != end; pte++, addr += PAGE_SIZE) {
> > +	for (; addr != end; offset++, addr += PAGE_SIZE) {
> >  		u64 pfn = PM_NOT_PRESENT;
> > -		if (is_swap_pte(*pte))
> > -			pfn = swap_pte_to_pagemap_entry(*pte);
> > -		else if (pte_present(*pte))
> > -			pfn = pte_pfn(*pte);
> > +		if (is_swap_pte(pte[offset]))
> > +			pfn = swap_pte_to_pagemap_entry(pte[offset]);
> > +		else if (pte_present(pte[offset]))
> > +			pfn = pte_pfn(pte[offset]);
> > +#ifdef CONFIG_HIGHPTE
> > +		pte_unmap(pte);
> >  		err = add_to_pagemap(addr, pfn, pm);
> > +		pte = pte_offset_map(pmd, addr);
> > +#else
> > +		err = add_to_pagemap(addr, pfn, pm);
> > +#endif
> >  		if (err)
> >  			return err;
> >  	}
> > -	pte_unmap(pte - 1);
> > +	pte_unmap(pte);
> >  
> >  	cond_resched();
> >  
> 
> Good point, it really can be taht simple.
> 
> Do we need the ifdef?  pte_offset_map/pte_unmap should be super-cheap on
> !CONFIG_HIGHPTE builds.

In that case, pte_unmap is free, pte_offset_map is just a bit of math.
So yeah, we can simplify this. How about:

diff -r 5595adaea70f fs/proc/task_mmu.c
--- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
+++ b/fs/proc/task_mmu.c	Thu Jan 17 18:11:13 2008 -0600
@@ -582,20 +583,20 @@
 {
 	struct pagemapread *pm = private;
 	pte_t *pte;
-	int err = 0;
+	int offset = 0, err = 0;
 
-	pte = pte_offset_map(pmd, addr);
-	for (; addr != end; pte++, addr += PAGE_SIZE) {
+	for (; addr != end; offset++, addr += PAGE_SIZE) {
 		u64 pfn = PM_NOT_PRESENT;
-		if (is_swap_pte(*pte))
-			pfn = swap_pte_to_pagemap_entry(*pte);
-		else if (pte_present(*pte))
-			pfn = pte_pfn(*pte);
+		pte = pte_offset_map(pmd, addr);
+		if (is_swap_pte(pte[offset]))
+			pfn = swap_pte_to_pagemap_entry(pte[offset]);
+		else if (pte_present(pte[offset]))
+			pfn = pte_pfn(pte[offset]);
+		pte_unmap(pte);
 		err = add_to_pagemap(addr, pfn, pm);
 		if (err)
 			return err;
 	}
-	pte_unmap(pte - 1);
 
 	cond_resched();

-- 
Mathematics is the supreme nostalgia of our time.

Re: 2.6.24-rc8-mm1: powerpc oopses

[Andrew Morton]

On Thu, 17 Jan 2008 18:12:48 -0600
Matt Mackall <mpm@selenic.com> wrote:

> 
> > Do we need the ifdef?  pte_offset_map/pte_unmap should be super-cheap on
> > !CONFIG_HIGHPTE builds.
> 
> In that case, pte_unmap is free, pte_offset_map is just a bit of math.
> So yeah, we can simplify this. How about:
> 
> diff -r 5595adaea70f fs/proc/task_mmu.c
> --- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
> +++ b/fs/proc/task_mmu.c	Thu Jan 17 18:11:13 2008 -0600
> @@ -582,20 +583,20 @@
>  {
>  	struct pagemapread *pm = private;
>  	pte_t *pte;
> -	int err = 0;
> +	int offset = 0, err = 0;
>  
> -	pte = pte_offset_map(pmd, addr);
> -	for (; addr != end; pte++, addr += PAGE_SIZE) {
> +	for (; addr != end; offset++, addr += PAGE_SIZE) {
>  		u64 pfn = PM_NOT_PRESENT;
> -		if (is_swap_pte(*pte))
> -			pfn = swap_pte_to_pagemap_entry(*pte);
> -		else if (pte_present(*pte))
> -			pfn = pte_pfn(*pte);
> +		pte = pte_offset_map(pmd, addr);
> +		if (is_swap_pte(pte[offset]))
> +			pfn = swap_pte_to_pagemap_entry(pte[offset]);
> +		else if (pte_present(pte[offset]))
> +			pfn = pte_pfn(pte[offset]);
> +		pte_unmap(pte);
>  		err = add_to_pagemap(addr, pfn, pm);
>  		if (err)
>  			return err;
>  	}
> -	pte_unmap(pte - 1);
>  
>  	cond_resched();
> 

Do we need `offset' at all?

You have

static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
			     void *private)
{
	struct pagemapread *pm = private;
	pte_t *pte;
	int offset = 0, err = 0;

	for (; addr != end; offset++, addr += PAGE_SIZE) {
		u64 pfn = PM_NOT_PRESENT;
		pte = pte_offset_map(pmd, addr);
		if (is_swap_pte(pte[offset]))
			pfn = swap_pte_to_pagemap_entry(pte[offset]);
		else if (pte_present(pte[offset]))
			pfn = pte_pfn(pte[offset]);
		pte_unmap(pte);
		err = add_to_pagemap(addr, pfn, pm);
		if (err)
			return err;
	}

	cond_resched();

	return err;
}

but I think we just do s/pte[offset]/*pte/.  The virtual address should be
the only thing we need to increment as we walk across the addresses here?

Re: 2.6.24-rc8-mm1: powerpc oopses

[Matt Mackall]

On Thu, 2008-01-17 at 16:29 -0800, Andrew Morton wrote:
> Do we need `offset' at all?

Looks like no.

I wonder if there's a good argument for adding a pte_offset_val() which
would let us do:

pteval = pte_offset_val(pmd, addr);

and shrink the map/unmap window and overhead here and possibly
elsewhere?

Anyway, updated but still untested patch now with revealing comment:

diff -r 5595adaea70f fs/proc/task_mmu.c
--- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
+++ b/fs/proc/task_mmu.c	Thu Jan 17 18:45:57 2008 -0600
@@ -584,18 +585,19 @@
 	pte_t *pte;
 	int err = 0;
 
-	pte = pte_offset_map(pmd, addr);
-	for (; addr != end; pte++, addr += PAGE_SIZE) {
+	for (; addr != end; addr += PAGE_SIZE) {
 		u64 pfn = PM_NOT_PRESENT;
+		pte = pte_offset_map(pmd, addr);
 		if (is_swap_pte(*pte))
 			pfn = swap_pte_to_pagemap_entry(*pte);
 		else if (pte_present(*pte))
 			pfn = pte_pfn(*pte);
+		/* unmap so we're not in atomic when we copy to userspace */
+		pte_unmap(pte);
 		err = add_to_pagemap(addr, pfn, pm);
 		if (err)
 			return err;
 	}
-	pte_unmap(pte - 1);
 
 	cond_resched();
 


-- 
Mathematics is the supreme nostalgia of our time.

Re: 2.6.24-rc8-mm1: powerpc oopses

[Andrew Morton]

On Thu, 17 Jan 2008 18:47:17 -0600
Matt Mackall <mpm@selenic.com> wrote:

> 
> On Thu, 2008-01-17 at 16:29 -0800, Andrew Morton wrote:
> > Do we need `offset' at all?
> 
> Looks like no.
> 
> I wonder if there's a good argument for adding a pte_offset_val() which
> would let us do:
> 
> pteval = pte_offset_val(pmd, addr);
> 
> and shrink the map/unmap window and overhead here and possibly
> elsewhere?
> 
> Anyway, updated but still untested patch now with revealing comment:
> 
> diff -r 5595adaea70f fs/proc/task_mmu.c
> --- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
> +++ b/fs/proc/task_mmu.c	Thu Jan 17 18:45:57 2008 -0600
> @@ -584,18 +585,19 @@
>  	pte_t *pte;
>  	int err = 0;
>  
> -	pte = pte_offset_map(pmd, addr);
> -	for (; addr != end; pte++, addr += PAGE_SIZE) {
> +	for (; addr != end; addr += PAGE_SIZE) {
>  		u64 pfn = PM_NOT_PRESENT;
> +		pte = pte_offset_map(pmd, addr);
>  		if (is_swap_pte(*pte))
>  			pfn = swap_pte_to_pagemap_entry(*pte);
>  		else if (pte_present(*pte))
>  			pfn = pte_pfn(*pte);
> +		/* unmap so we're not in atomic when we copy to userspace */
> +		pte_unmap(pte);
>  		err = add_to_pagemap(addr, pfn, pm);
>  		if (err)
>  			return err;
>  	}
> -	pte_unmap(pte - 1);
>  
>  	cond_resched();

That worked out nicely.

Wasn't the old code potentially pte_unmap()ping the wrong address?  If we
enter with addr==end?

Re: 2.6.24-rc8-mm1: powerpc oopses

[Matt Mackall]

On Thu, 2008-01-17 at 17:07 -0800, Andrew Morton wrote:
> That worked out nicely.

Cool, feel free to add:

Signed-off-by: Matt Mackall <mpm@selenic.com>

> Wasn't the old code potentially pte_unmap()ping the wrong address?  If we
> enter with addr==end?

Yes, that was busted.

-- 
Mathematics is the supreme nostalgia of our time.

Re: 2.6.24-rc8-mm1 build failure on headers_check

[Kamalesh Babulal]

Hi Andrew,

The kernel build fails during the headers_check on power box

  CHECK   include/asm/nvram.h
/usr/local/autobench/autotest/tmp/build/linux/usr/include/asm/nvram.h requires linux/list.h, which does not exist in exported headers
make[3]: *** [/usr/local/autobench/autotest/tmp/build/linux/usr/include/asm/.check.nvram.h] Error 1
make[2]: *** [asm-powerpc] Error 2
make[1]: *** [headers_check] Error 2
make: *** [vmlinux] Error 2

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.

Re: 2.6.24-rc8-mm1 build failure on headers_check

[Andrew Morton]

On Fri, 18 Jan 2008 12:39:51 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:

> Hi Andrew,
> 
> The kernel build fails during the headers_check on power box
> 
>   CHECK   include/asm/nvram.h
> /usr/local/autobench/autotest/tmp/build/linux/usr/include/asm/nvram.h requires linux/list.h, which does not exist in exported headers
> make[3]: *** [/usr/local/autobench/autotest/tmp/build/linux/usr/include/asm/.check.nvram.h] Error 1

doh.

--- a/include/asm-powerpc/nvram.h~include-asm-powerpc-nvramh-needs-listh-fix
+++ a/include/asm-powerpc/nvram.h
@@ -11,7 +11,6 @@
 #define _ASM_POWERPC_NVRAM_H
 
 #include <linux/errno.h>
-#include <linux/list.h>
 
 #define NVRW_CNT 0x20
 #define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */
@@ -59,6 +58,9 @@ struct nvram_header {
 };
 
 #ifdef __KERNEL__
+
+#include <linux/list.h>
+
 struct nvram_partition {
 	struct list_head partition;
 	struct nvram_header header;
_

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Kamalesh Babulal]

Hi Andrew,

Following oops was seen while running kernbench on one of test machine
(power4+ box). I tried reproducing the oops but was unsuccessful. 
I will try to reproduce the oops with debug info compiled.


Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=32 NUMA pSeries
Modules linked in:
NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
DAR: c00000077b6bfce0, DSISR: 000000000a000000
TASK = c000000773164c40[19588] 'as' THREAD: c00000077b6bc000 CPU: 1
GPR00: 0000000000004000 c00000077b6bfb40 0000000000007346 000000000000d032 
GPR04: 000000000000043a 0000000000000000 000000000000000c 0000000000000004 
GPR08: 000000000fd278c8 0000000048022424 c00000077b6bfe30 0000998be2321500 
GPR12: 8000000000001030 c0000000005f6280 0000000010030000 0000000010030000 
GPR16: 0000000010030000 0000000010050000 000000001006aac0 0000000010053cd0 
GPR20: 0000000000000000 0000000000000fe0 0000000010050000 0000000010050000 
GPR24: 0000000000000ff8 0000000000000fe8 0000000000000062 000000000fd27490 
GPR28: 000000000fd274c8 0000000010099420 000000000fd25ff4 000000001009a400 
NIP [0000000000004570] 0x4570
LR [000000000fc42dc0] 0xfc42dc0
Call Trace:
[c00000077b6bfb40] [c00000077b292000] 0xc00000077b292000 (unreliable)
Instruction dump:
48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 
48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX 

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Andrew Morton]

On Fri, 18 Jan 2008 14:06:00 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:

> Hi Andrew,
> 
> Following oops was seen while running kernbench on one of test machine
> (power4+ box). I tried reproducing the oops but was unsuccessful. 
> I will try to reproduce the oops with debug info compiled.
> 
> 
> Oops: Kernel access of bad area, sig: 11 [#1]
> SMP NR_CPUS=32 NUMA pSeries
> Modules linked in:
> NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
> REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
> MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
> DAR: c00000077b6bfce0, DSISR: 000000000a000000
> TASK = c000000773164c40[19588] 'as' THREAD: c00000077b6bc000 CPU: 1
> GPR00: 0000000000004000 c00000077b6bfb40 0000000000007346 000000000000d032 
> GPR04: 000000000000043a 0000000000000000 000000000000000c 0000000000000004 
> GPR08: 000000000fd278c8 0000000048022424 c00000077b6bfe30 0000998be2321500 
> GPR12: 8000000000001030 c0000000005f6280 0000000010030000 0000000010030000 
> GPR16: 0000000010030000 0000000010050000 000000001006aac0 0000000010053cd0 
> GPR20: 0000000000000000 0000000000000fe0 0000000010050000 0000000010050000 
> GPR24: 0000000000000ff8 0000000000000fe8 0000000000000062 000000000fd27490 
> GPR28: 000000000fd274c8 0000000010099420 000000000fd25ff4 000000001009a400 
> NIP [0000000000004570] 0x4570
> LR [000000000fc42dc0] 0xfc42dc0
> Call Trace:
> [c00000077b6bfb40] [c00000077b292000] 0xc00000077b292000 (unreliable)
> Instruction dump:
> 48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 
> 48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX 
> 

odd.  Where did the stack trace go?

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Paul Mackerras]

Andrew Morton writes:

> On Fri, 18 Jan 2008 14:06:00 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
> 
> > Hi Andrew,
> > 
> > Following oops was seen while running kernbench on one of test machine
> > (power4+ box). I tried reproducing the oops but was unsuccessful. 
> > I will try to reproduce the oops with debug info compiled.
> > 
> > 
> > Oops: Kernel access of bad area, sig: 11 [#1]
> > SMP NR_CPUS=32 NUMA pSeries
> > Modules linked in:
> > NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
> > REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
> > MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
> > DAR: c00000077b6bfce0, DSISR: 000000000a000000
> > TASK = c000000773164c40[19588] 'as' THREAD: c00000077b6bc000 CPU: 1
> > GPR00: 0000000000004000 c00000077b6bfb40 0000000000007346 000000000000d032 
> > GPR04: 000000000000043a 0000000000000000 000000000000000c 0000000000000004 
> > GPR08: 000000000fd278c8 0000000048022424 c00000077b6bfe30 0000998be2321500 
> > GPR12: 8000000000001030 c0000000005f6280 0000000010030000 0000000010030000 
> > GPR16: 0000000010030000 0000000010050000 000000001006aac0 0000000010053cd0 
> > GPR20: 0000000000000000 0000000000000fe0 0000000010050000 0000000010050000 
> > GPR24: 0000000000000ff8 0000000000000fe8 0000000000000062 000000000fd27490 
> > GPR28: 000000000fd274c8 0000000010099420 000000000fd25ff4 000000001009a400 
> > NIP [0000000000004570] 0x4570
> > LR [000000000fc42dc0] 0xfc42dc0
> > Call Trace:
> > [c00000077b6bfb40] [c00000077b292000] 0xc00000077b292000 (unreliable)
> > Instruction dump:
> > 48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 
> > 48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX 
> > 
> 
> odd.  Where did the stack trace go?

It's there, it's just really really short (one line).  The link
register is in userspace and the stack pointer looks to be right at
the top of a kernel stack area.

The trap was a data access exception which is very odd given that the
machine is in real mode (MMU off) with the pc at 0x4570.  Actually it
looks like the machine probably got a data access exception somewhere
(probably in userspace, probably a page fault or similar) and then got
another exception before it had finished saving the state from the
first exception.

Kamalesh, do you still have the vmlinux?  If so could you disassemble
the area from say 0x4500 to 0x4600, and find out what is the closest
symbol before 0xc000000000004570 from System.map, and show us those?

Paul.

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Kamalesh Babulal]

Paul Mackerras wrote:
> Andrew Morton writes:
> 
>> On Fri, 18 Jan 2008 14:06:00 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
>>
>>> Hi Andrew,
>>>
>>> Following oops was seen while running kernbench on one of test machine
>>> (power4+ box). I tried reproducing the oops but was unsuccessful. 
>>> I will try to reproduce the oops with debug info compiled.
>>>
>>>
>>> Oops: Kernel access of bad area, sig: 11 [#1]
>>> SMP NR_CPUS=32 NUMA pSeries
>>> Modules linked in:
>>> NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
>>> REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
>>> MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
>>> DAR: c00000077b6bfce0, DSISR: 000000000a000000
>>> TASK = c000000773164c40[19588] 'as' THREAD: c00000077b6bc000 CPU: 1
>>> GPR00: 0000000000004000 c00000077b6bfb40 0000000000007346 000000000000d032 
>>> GPR04: 000000000000043a 0000000000000000 000000000000000c 0000000000000004 
>>> GPR08: 000000000fd278c8 0000000048022424 c00000077b6bfe30 0000998be2321500 
>>> GPR12: 8000000000001030 c0000000005f6280 0000000010030000 0000000010030000 
>>> GPR16: 0000000010030000 0000000010050000 000000001006aac0 0000000010053cd0 
>>> GPR20: 0000000000000000 0000000000000fe0 0000000010050000 0000000010050000 
>>> GPR24: 0000000000000ff8 0000000000000fe8 0000000000000062 000000000fd27490 
>>> GPR28: 000000000fd274c8 0000000010099420 000000000fd25ff4 000000001009a400 
>>> NIP [0000000000004570] 0x4570
>>> LR [000000000fc42dc0] 0xfc42dc0
>>> Call Trace:
>>> [c00000077b6bfb40] [c00000077b292000] 0xc00000077b292000 (unreliable)
>>> Instruction dump:
>>> 48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 
>>> 48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX 
>>>
>> odd.  Where did the stack trace go?

Only this much was captured in the serial console.
> 
> It's there, it's just really really short (one line).  The link
> register is in userspace and the stack pointer looks to be right at
> the top of a kernel stack area.
> 
> The trap was a data access exception which is very odd given that the
> machine is in real mode (MMU off) with the pc at 0x4570.  Actually it
> looks like the machine probably got a data access exception somewhere
> (probably in userspace, probably a page fault or similar) and then got
> another exception before it had finished saving the state from the
> first exception.
> 
> Kamalesh, do you still have the vmlinux?  If so could you disassemble
> the area from say 0x4500 to 0x4600, and find out what is the closest
> symbol before 0xc000000000004570 from System.map, and show us those?
> 
> Paul.
> --
I tried reproducing the problem and was successful with following trace
in which the pc is at 0x4570 as the above one

 Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=32 NUMA pSeries
Modules linked in:
NIP: 0000000000004570 LR: 000000000ff0288c CTR: 000000000ff013e0
REGS: c00000077e61f8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
MSR: 8000000000001000 <ME>  CR: 28000422  XER: 00000000
DAR: c00000077e61fce0, DSISR: 000000000a000000
TASK = c00000077207f880[23480] 'cc1' THREAD: c00000077e61c000 CPU: 3
GPR00: 0000000000004000 c00000077e61fb40 0000000000000088 000000000000d032 
GPR04: 0000000000000088 000000000000030c 00000000fefefeff 000000007f7f7f7f 
GPR08: 0000000000008000 0000000044000428 c00000077e61fe30 0000998be2321500 
GPR12: 8000000000001030 c0000000005f6680 0000000010030000 0000000010030000 
GPR16: 00000000105b0000 00000000105b0000 0000000010440000 00000000105b0000 
GPR20: 00000000105b0000 00000000105b0000 00000000105b0000 00000000105b0000 
GPR24: 00000000105b0000 00000000105b0000 00000000105b0000 00000000ffa11b24 
GPR28: 0000000000000000 00000000ffffffff 000000000ffebff4 000000000ffec408 
NIP [0000000000004570] 0x4570
LR [000000000ff0288c] 0xff0288c
Call Trace:
[c00000077e61fb40] [c00000077e61fcf0] 0xc00000077e61fcf0 (unreliable)
[c00000077e61fbd0] [0000000010440000] 0x10440000
Instruction dump:
48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 
48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX 

The disassembled vmlinux from 0x4500 to 0x4600 

c000000000004500:       f9 4d 01 68     std     r10,360(r13)
c000000000004504:       48 02 89 f9     bl      c00000000002cefc <.slb_allocate_realmode>
c000000000004508:       e9 4d 01 68     ld      r10,360(r13)
c00000000000450c:       e8 6d 01 60     ld      r3,352(r13)
c000000000004510:       81 2d 01 5c     lwz     r9,348(r13)
c000000000004514:       7d 48 03 a6     mtlr    r10
c000000000004518:       71 8a 00 02     andi.   r10,r12,2
c00000000000451c:       41 82 00 28     beq-    c000000000004544 <unrecov_slb>
c000000000004520:       7d 38 01 20     mtocrf  128,r9  
c000000000004524:       7d 30 11 20     mtocrf  1,r9
c000000000004528:       e9 2d 01 20     ld      r9,288(r13)
c00000000000452c:       e9 4d 01 28     ld      r10,296(r13)
c000000000004530:       e9 6d 01 30     ld      r11,304(r13)
c000000000004534:       e9 8d 01 38     ld      r12,312(r13)
c000000000004538:       e9 ad 01 40     ld      r13,320(r13)
c00000000000453c:       4c 00 00 24     rfid    
c000000000004540:       48 00 00 00     b       c000000000004540 <.slb_miss_realmode+0x48>

c000000000004544 <unrecov_slb>:
c000000000004544:       71 8a 40 00     andi.   r10,r12,16384
c000000000004548:       7c 2a 0b 78     mr      r10,r1  
c00000000000454c:       38 21 fd 10     addi    r1,r1,-752
c000000000004550:       41 82 00 08     beq-    c000000000004558 <unrecov_slb+0x14>
c000000000004554:       e8 2d 01 a8     ld      r1,424(r13)
c000000000004558:       2c a1 00 00     cmpdi   cr1,r1,0
c00000000000455c:       40 84 00 08     bge-    cr1,c000000000004564 <unrecov_slb+0x20>
c000000000004560:       48 00 00 10     b       c000000000004570 <unrecov_slb+0x2c>
c000000000004564:       38 20 41 00     li      r1,16640
c000000000004568:       b0 2d 01 c8     sth     r1,456(r13)
c00000000000456c:       4b ff fb 18     b       c000000000004084 <bad_stack>
c000000000004570:       f9 21 01 a0     std     r9,416(r1) 
c000000000004574:       f9 61 01 70     std     r11,368(r1)
c000000000004578:       f9 81 01 78     std     r12,376(r1)
c00000000000457c:       f9 41 00 00     std     r10,0(r1)
c000000000004580:       f8 01 00 70     std     r0,112(r1)
c000000000004584:       f9 41 00 78     std     r10,120(r1)
c000000000004588:       41 82 00 24     beq-    c0000000000045ac <unrecov_slb+0x68>
c00000000000458c:       7d 35 4a a6     mfspr   r9,309  
c000000000004590:       7d 2c 42 e6     mftb    r9
c000000000004594:       e9 4d 01 e0     ld      r10,480(r13)
c000000000004598:       f9 2d 01 e0     std     r9,480(r13)
c00000000000459c:       7d 4a 48 50     subf    r10,r10,r9
c0000000000045a0:       e9 2d 01 d0     ld      r9,464(r13)
c0000000000045a4:       7d 29 52 14     add     r9,r9,r10
c0000000000045a8:       f9 2d 01 d0     std     r9,464(r13)
c0000000000045ac:       f8 41 00 80     std     r2,128(r1)
c0000000000045b0:       f8 61 00 88     std     r3,136(r1)
c0000000000045b4:       f8 81 00 90     std     r4,144(r1)
c0000000000045b8:       f8 a1 00 98     std     r5,152(r1)
c0000000000045bc:       f8 c1 00 a0     std     r6,160(r1)
c0000000000045c0:       f8 e1 00 a8     std     r7,168(r1)
c0000000000045c4:       f9 01 00 b0     std     r8,176(r1)
c0000000000045c8:       e9 2d 01 20     ld      r9,288(r13)
c0000000000045cc:       e9 4d 01 28     ld      r10,296(r13)
c0000000000045d0:       f9 21 00 b8     std     r9,184(r1)
c0000000000045d4:       f9 41 00 c0     std     r10,192(r1)
c0000000000045d8:       e9 2d 01 30     ld      r9,304(r13)
c0000000000045dc:       e9 4d 01 38     ld      r10,312(r13)
c0000000000045e0:       e9 6d 01 40     ld      r11,320(r13)
c0000000000045e4:       f9 21 00 c8     std     r9,200(r1)
c0000000000045e8:       f9 41 00 d0     std     r10,208(r1)
c0000000000045ec:       f9 61 00 d8     std     r11,216(r1)
c0000000000045f0:       e8 4d 00 10     ld      r2,16(r13)
c0000000000045f4:       7d 28 02 a6     mflr    r9
c0000000000045f8:       f9 21 01 90     std     r9,400(r1)
c0000000000045fc:       7d 49 02 a6     mfctr   r10
c000000000004600:       f9 41 01 88     std     r10,392(r1)

The closet symbol form the system.map file

c000000000004280 T data_access_common
c000000000004400 T instruction_access_common
c0000000000044f8 T .slb_miss_realmode
c000000000004544 t unrecov_slb
c000000000004680 T hardware_interrupt_common

Let me know if you need more information.
-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Paul Mackerras]

Kamalesh Babulal writes:

> I tried reproducing the problem and was successful with following trace
> in which the pc is at 0x4570 as the above one

What did you do to trigger it?

> c000000000004544 <unrecov_slb>:
> c000000000004544:       71 8a 40 00     andi.   r10,r12,16384
> c000000000004548:       7c 2a 0b 78     mr      r10,r1  
> c00000000000454c:       38 21 fd 10     addi    r1,r1,-752
> c000000000004550:       41 82 00 08     beq-    c000000000004558 <unrecov_slb+0x14>
> c000000000004554:       e8 2d 01 a8     ld      r1,424(r13)
> c000000000004558:       2c a1 00 00     cmpdi   cr1,r1,0
> c00000000000455c:       40 84 00 08     bge-    cr1,c000000000004564 <unrecov_slb+0x20>
> c000000000004560:       48 00 00 10     b       c000000000004570 <unrecov_slb+0x2c>
> c000000000004564:       38 20 41 00     li      r1,16640
> c000000000004568:       b0 2d 01 c8     sth     r1,456(r13)
> c00000000000456c:       4b ff fb 18     b       c000000000004084 <bad_stack>
> c000000000004570:       f9 21 01 a0     std     r9,416(r1) 

So it's in the code that gets called on an unrecoverable SLB fault.
That's bad, we should never get those.  Does this happen with mainline
too, or only with -rc8-mm1?  I don't understand why we should start
seeing this problem unless something has changed in
arch/powerpc/kernel or arch/powerpc/mm (well I suppose a bug somewhere
else could cause memory corruption which might be able to lead to
this).

Does it still happen if you take git-powerpc.patch out of the series?

Paul.

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Paul Mackerras]

Kamalesh Babulal writes:

> >>> NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
> >>> REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
> >>> MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
> >>> DAR: c00000077b6bfce0, DSISR: 000000000a000000

Actually, how much RAM does this machine have?  If it has less than
32GB, then the problem is that the kernel stack pointer is bogus.
(How it got to be bogus is the interesting question, of course. :)

Paul.

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Kamalesh Babulal]

Paul Mackerras wrote:
> Kamalesh Babulal writes:
> 
>>>>> NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
>>>>> REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
>>>>> MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
>>>>> DAR: c00000077b6bfce0, DSISR: 000000000a000000
> 
> Actually, how much RAM does this machine have?  If it has less than
> 32GB, then the problem is that the kernel stack pointer is bogus.
> (How it got to be bogus is the interesting question, of course. :)
> 
> Paul.
> 
Hi Paul,

The machine has around 30GB of RAM, do you want me to try, by taking 
the git-powerpc.patch out of the series and try reproducing the oops.

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Balbir Singh]

* Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> [2008-01-18 16:14:00]:

> Paul Mackerras wrote:
> > Kamalesh Babulal writes:
> > 
> >>>>> NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
> >>>>> REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
> >>>>> MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
> >>>>> DAR: c00000077b6bfce0, DSISR: 000000000a000000
> > 
> > Actually, how much RAM does this machine have?  If it has less than
> > 32GB, then the problem is that the kernel stack pointer is bogus.
> > (How it got to be bogus is the interesting question, of course. :)
> > 
> > Paul.
> > 
> Hi Paul,
> 
> The machine has around 30GB of RAM, do you want me to try, by taking 
> the git-powerpc.patch out of the series and try reproducing the oops.
>

Kamalesh, I thought I saw Paul's request for trying without
git-powerpc.patch (it's in a separate email). 

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL

Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench

[Milton Miller]

Paul Mackerras writes:

> Kamalesh Babulal writes:
>
> > I tried reproducing the problem and was successful with following 
> trace
> > in which the pc is at 0x4570 as the above one
>
> What did you do to trigger it?
>
> > c000000000004544 <unrecov_slb>:
> > c000000000004544:       71 8a 40 00     andi.   r10,r12,16384
> > c000000000004548:       7c 2a 0b 78     mr      r10,r1
> > c00000000000454c:       38 21 fd 10     addi    r1,r1,-752
> > c000000000004550:       41 82 00 08     beq-    c000000000004558 
> <unrecov_slb+0x14>
> > c000000000004554:       e8 2d 01 a8     ld      r1,424(r13)
> > c000000000004558:       2c a1 00 00     cmpdi   cr1,r1,0
> > c00000000000455c:       40 84 00 08     bge-    cr1,c000000000004564 
> <unrecov_slb+0x20>
> > c000000000004560:       48 00 00 10     b       c000000000004570 
> <unrecov_slb+0x2c>
> > c000000000004564:       38 20 41 00     li      r1,16640
> > c000000000004568:       b0 2d 01 c8     sth     r1,456(r13)
> > c00000000000456c:       4b ff fb 18     b       c000000000004084 
> <bad_stack>
> > c000000000004570:       f9 21 01 a0     std     r9,416(r1)
>
> So it's in the code that gets called on an unrecoverable SLB fault.
> That's bad, we should never get those.  Does this happen with mainline
> too, or only with -rc8-mm1?  I don't understand why we should start
> seeing this problem unless something has changed in
> arch/powerpc/kernel or arch/powerpc/mm (well I suppose a bug somewhere
> else could cause memory corruption which might be able to lead to
> this).

The reason we get the fault here instead of a nice oops is that 
unrecov_slb is supposed to be called after the switch to virtual mode, 
but no code was added when the real mode slb handling was added.  
However, its not simply adding code, as iSeries calls the same slb 
reload code in virtual mode (as it always runs virtual), so the code 
will have to check if translation is already on.

(I had found this in a previous audit, but as Paul said, its not 
supposed to happen, and I haven't pursued a patch).

>
> Does it still happen if you take git-powerpc.patch out of the series?
>
> Paul.

Re: 2.6.24-rc8-mm1: powerpc oopses

[Mariusz Kozlowski]

Hello,

> > Do we need `offset' at all?
> 
> Looks like no.
> 
> I wonder if there's a good argument for adding a pte_offset_val() which
> would let us do:
> 
> pteval = pte_offset_val(pmd, addr);
> 
> and shrink the map/unmap window and overhead here and possibly
> elsewhere?
> 
> Anyway, updated but still untested patch now with revealing comment:

I patched the ppc32 kernel with this and run tests on /proc.
This patch helps. No more BUGs and oopses :)

Thanks,

	Mariusz

> diff -r 5595adaea70f fs/proc/task_mmu.c
> --- a/fs/proc/task_mmu.c	Thu Jan 17 13:26:54 2008 -0600
> +++ b/fs/proc/task_mmu.c	Thu Jan 17 18:45:57 2008 -0600
> @@ -584,18 +585,19 @@
>  	pte_t *pte;
>  	int err = 0;
>  
> -	pte = pte_offset_map(pmd, addr);
> -	for (; addr != end; pte++, addr += PAGE_SIZE) {
> +	for (; addr != end; addr += PAGE_SIZE) {
>  		u64 pfn = PM_NOT_PRESENT;
> +		pte = pte_offset_map(pmd, addr);
>  		if (is_swap_pte(*pte))
>  			pfn = swap_pte_to_pagemap_entry(*pte);
>  		else if (pte_present(*pte))
>  			pfn = pte_pfn(*pte);
> +		/* unmap so we're not in atomic when we copy to userspace */
> +		pte_unmap(pte);
>  		err = add_to_pagemap(addr, pfn, pm);
>  		if (err)
>  			return err;
>  	}
> -	pte_unmap(pte - 1);
>  
>  	cond_resched();

Re: 2.6.24-rc8-mm1: powerpc oopses

[Matt Mackall]

On Fri, 2008-01-18 at 18:23 +0100, Mariusz Kozlowski wrote:
> Hello,
> 
> > > Do we need `offset' at all?
> > 
> > Looks like no.
> > 
> > I wonder if there's a good argument for adding a pte_offset_val() which
> > would let us do:
> > 
> > pteval = pte_offset_val(pmd, addr);
> > 
> > and shrink the map/unmap window and overhead here and possibly
> > elsewhere?
> > 
> > Anyway, updated but still untested patch now with revealing comment:
> 
> I patched the ppc32 kernel with this and run tests on /proc.
> This patch helps. No more BUGs and oopses :)

Thanks, Andrew's already queued it up.

-- 
Mathematics is the supreme nostalgia of our time.

Re: 2.6.24 Kernel oops will running kernbench regression from 2.6.24-rc8-mm1

[Kamalesh Babulal]

Paul Mackerras wrote:
> Kamalesh Babulal writes:
> 
>>>>> NIP: 0000000000004570 LR: 000000000fc42dc0 CTR: 0000000000000000
>>>>> REGS: c00000077b6bf8c0 TRAP: 0300   Not tainted  (2.6.24-rc8-mm1-autotest)
>>>>> MSR: 8000000000001000 <ME>  CR: 28022422  XER: 00000000
>>>>> DAR: c00000077b6bfce0, DSISR: 000000000a000000
> 
> Actually, how much RAM does this machine have?  If it has less than
> 32GB, then the problem is that the kernel stack pointer is bogus.
> (How it got to be bogus is the interesting question, of course. :)
> 
> Paul.
> 
Hi Paul,

This kernel oops in seen in 2.6.24-rc8-git(2,3,4,5,7,8) and the 2.6.24.

 Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=32 NUMA pSeries
Modules linked in:
NIP: 0000000000004570 LR: 000000001030e594 CTR: 000000001012ddd0
REGS: c000000771f9f8c0 TRAP: 0300   Not tainted  (2.6.24-autotest)
MSR: 8000000000001000 <ME>  CR: 28000482  XER: 20000000
DAR: c000000771f9fce0, DSISR: 000000000a000000
TASK = c00000077b9c6000[19197] 'cc1' THREAD: c000000771f9c000 CPU: 2
GPR00: 0000000000000064 c000000771f9fb40 00000000f7fdb470 0000000000000000 
GPR04: 0000000000000002 0000000000000000 0000000000782498 00000000003ff3ff 
GPR08: 00000000aaaaaaab 0000000040000484 c000000771f9fe30 0000998be2321500 
GPR12: 8000000000003030 c0000000005c5680 0000000010030000 0000000010030000 
GPR16: 00000000105b0000 00000000105b0000 0000000010440000 00000000105b0000 
GPR20: 00000000105b0000 00000000105f0000 0000000000000000 00000000ffd00b44 
GPR24: 00000000105b0000 00000000105b0000 00000000105b0000 00000000105b0000 
GPR28: 00000000105b0000 0000000010604684 0000000000000100 00000000105f75a8 
NIP [0000000000004570] 0x4570
LR [000000001030e594] 0x1030e594
Call Trace:
[c000000771f9fb40] [c000000771f9fcf0] 0xc000000771f9fcf0 (unreliable)
Instruction dump:
48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 
48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX 
---[ end trace a8c779b801674eed ]---
-- 0:conmux-control -- time-stamp -- Jan/24/08 16:40:29 --
-- 0:conmux-control -- time-stamp -- Jan/24/08 16:47:56 --
Unable to handle kernel paging request for data at address 0xc00000077168f870
Faulting instruction address: 0x00004570
Oops: Kernel access of bad area, sig: 11 [#2]
SMP NR_CPUS=32 NUMA pSeries
Modules linked in:
NIP: 0000000000004570 LR: c00000000004a310 CTR: 0000000000000000
REGS: c00000077168f450 TRAP: 0300   Tainted: G      D  (2.6.24-autotest)
MSR: 8000000000001000 <ME>  CR: 28000242  XER: 00000000
DAR: c00000077168f870, DSISR: 000000000a000000
TASK = c000000771fdb170[24200] 'tbench' THREAD: c00000077168c000 CPU: 1
GPR00: 0000000000000000 c00000077168f6d0 c00000000068bc30 8000000000009032 
GPR04: 8000000000001030 000000000000025a 0000000042000222 c00000000000ee64 
GPR08: c00000077168fae0 0000000028000242 c00000077168f9c0 0000998be2321500 
GPR12: 8000000000001030 c0000000005c5480 0000000000000000 0000000000000000 
GPR16: 00000000100a0000 00000000100a8b10 00000000100a0000 0000000010000000 
GPR20: 0000000000005e84 c000000000008cd4 c00000077168c000 c000000771fdb390 
GPR24: 0000000000000001 00000000ff9ce668 00000000ff9cec5c c000000771fdb170 
GPR28: 0000000000000001 c00000077ca7cba0 c000000000615938 0000000000000000 
NIP [0000000000004570] 0x4570
LR [c00000000004a310] .finish_task_switch+0x54/0xe8
Call Trace:
[c00000077168f6d0] [c00000077168f790] 0xc00000077168f790 (unreliable)
Instruction dump:
48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 
48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX 

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.