[uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Mattia Dongili]

Hello UML developers,

I received the following bugreport for 2.6.16 UML running on a 2.6.16
host (both are debian packages). I found a similar report on a french
site[1], it seems to be the same problem.

Can you help putting some light there?
Thanks in advance

[1]: http://forum.hardware.fr/hardwarefr/OSAlternatifs/UML-Debian-sujet-57017-1.htm

On Fri, May 12, 2006 at 01:50:19PM +1000, Paul Dwerryhouse wrote:
> Package: user-mode-linux
> Version: 2.6.16-1um-2
> Severity: normal
> 
> 
> When user-mode linux is used with a host kernel of
> linux-image-2.6.16-1-k7 (ie, the package in sid), it panics. When the
> host kernel is linux-image-2.6.15-1-k7 (also from sid), it works
> perfectly.
> 
> I've tested this with a number of guest images; debian sid, ubuntu
> breezy & dapper. Doesn't appear to be an NPTL issue; it crashes under
> 2.6.16 whether the /lib/tls libraries are present or not.
> 
> 
> The boot messages when it fails:
> 
> $ linux ubd0=uml1.img con=pty con0=fd:0,fd:1 mem=256M eth0=daemon,,unix,/var/run/vde/tap1.ctl eth1=daemon,,unix,/var/run/vde/tap1.ctl
> Checking that ptrace can change system call numbers...OK
> Checking syscall emulation patch for ptrace...OK
> Checking advanced syscall emulation patch for ptrace...OK
> Checking PROT_EXEC mmap in /tmp...OK
> Checking for the skas3 patch in the host:
>   - /proc/mm...not found
>   - PTRACE_FAULTINFO...not found
>   - PTRACE_LDT...not found
> UML running in SKAS0 mode
> Linux version 2.6.16 (root@inferi) (gcc version 4.0.4 20060422 (prerelease) (Debian 4.0.3-2)) #2 Sat Apr 29 23:36:42 CEST 2006
> Built 1 zonelists
> Kernel command line: ubd0=uml1.img con=pty con0=fd:0,fd:1 mem=256M eth0=daemon,,unix,/var/run/vde/tap1.ctl eth1=daemon,,unix,/var/run/vde/tap1.ctl root=98:0
> PID hash table entries: 2048 (order: 11, 32768 bytes)
> 
> [...]
> 
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> VFS: Mounted root (ext3 filesystem) readonly.
> mapping mmap stub failed, errno = 12
> Kernel panic - not syncing: start_userspace : expected SIGSTOP, got status = 256
>  
> EIP: 0073:[<ffffe410>] CPU: 0 Not tainted ESP: 007b:a7e29fa8 EFLAGS: 00200246 Not tainted
> EAX: 00000000 EBX: 000013f5 ECX: 00000013 EDX: 000013f5
> ESI: 000013f1 EDI: 00000011 EBP: a7e29fc4 DS: 007b ES: 007b
> 08267af8:  [<0806f080>] show_regs+0xb4/0xb9
> 08267b24:  [<0805e08c>] panic_exit+0x23/0x3d
> 08267b38:  [<0807e495>] notifier_call_chain+0x1a/0x31
> 08267b58:  [<08072ffb>] panic+0x4f/0xca
> 08267b74:  [<0806c165>] start_userspace+0xce/0x11a
> 08267b94:  [<0805e31a>] init_new_context_skas+0xfb/0x13e
> 08267bb4:  [<080ad3f0>] do_execve+0x96/0x1df
> 08267bd8:  [<080599b8>] execve1+0x28/0x52
> 08267bfc:  [<080599f5>] um_execve+0x13/0x3f
> 08267c18:  [<0805936a>] run_init_process+0x34/0x4f
> 08267c38:  [<08059471>] init+0xec/0x117
> 08267c48:  [<0806955b>] run_kernel_thread+0x42/0x4a
> 08267cf8:  [<0805e49f>] new_thread_handler+0x7f/0xa9
> 08267d1c:  [<ffffe420>] _etext+0xf7e66406/0x0
> 
> Thanks,
> 
> Paul.
> 
> 
> 
> 
> -- System Information:
> Debian Release: testing/unstable
>   APT prefers unstable
>   APT policy: (500, 'unstable')
> Architecture: i386 (i686)
> Shell:  /bin/sh linked to /bin/bash
> Kernel: Linux 2.6.16-1-k7
> Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
> 
> Versions of packages user-mode-linux depends on:
> ii  uml-utilities                 20060323-3 User-mode Linux (utility programs)
> 
> user-mode-linux recommends no packages.
> 
> -- no debconf information
> 
> 
> 
-- 
mattia
:wq!


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Re: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Jeff Dike]

On Fri, May 12, 2006 at 10:08:06PM +0200, Mattia Dongili wrote:
> > kjournald starting.  Commit interval 5 seconds
> > EXT3-fs: mounted filesystem with ordered data mode.
> > VFS: Mounted root (ext3 filesystem) readonly.
> > mapping mmap stub failed, errno = 12
> > Kernel panic - not syncing: start_userspace : expected SIGSTOP, got status = 256

Hummmm, is this a 2G/2G host, by any chance?

The French report is complaining about this happening after a host
kernel upgrade, and I would assume that this wouldn't spring a 2G/2G
split on you without asking.

UML is trying to map a page at the top of its address space (which it
assumes to be 0xc0000000 unless you are running a 2.6.16-rc4 UML and
enabled host 2G/2G support).  We need to figure out why that doesn't
work.  If it's not the host split, then I don't have any other ideas
off the top of my head.

				Jeff


-------------------------------------------------------
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Re: Bug#366915: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Mattia Dongili]

[-- Attachment #1: Type: text/plain, Size: 1267 bytes --]

On Mon, May 15, 2006 5:44 am, Jeff Dike said:
> On Fri, May 12, 2006 at 10:08:06PM +0200, Mattia Dongili wrote:
>> > kjournald starting.  Commit interval 5 seconds
>> > EXT3-fs: mounted filesystem with ordered data mode.
>> > VFS: Mounted root (ext3 filesystem) readonly.
>> > mapping mmap stub failed, errno = 12
>> > Kernel panic - not syncing: start_userspace : expected SIGSTOP, got
>> status = 256
>
> Hummmm, is this a 2G/2G host, by any chance?

It doesn't seem so:
CONFIG_VMSPLIT_3G_OPT=y
(from debian kernel's 2.6.16-k7 binaries)

> The French report is complaining about this happening after a host
> kernel upgrade, and I would assume that this wouldn't spring a 2G/2G
> split on you without asking.
>
> UML is trying to map a page at the top of its address space (which it
> assumes to be 0xc0000000 unless you are running a 2.6.16-rc4 UML and

did you mean .17-rc4? Debian kernels contain very little modifications,
and usually track upstream very closely.

> enabled host 2G/2G support).  We need to figure out why that doesn't

Oh, I found
CONFIG_PAGE_OFFSET=0xB0000000

may this be the problem? I found reports telling it broke other SW:
http://lists.debian.org/debian-kernel/2006/04/msg00042.html

-- 
mattia
:wq!

[-- Attachment #2: 2.6.15-2.6.16-k7.config.diff --]
[-- Type: application/octet-stream, Size: 20530 bytes --]

--- config-2.6.15-1-k7	2006-03-06 13:32:10.000000000 +0100
+++ config-2.6.16-1-k7	2006-05-04 14:46:37.000000000 +0200
@@ -1,23 +1,21 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-1-k7
-# Mon Mar  6 12:32:10 2006
+# Linux kernel version: 2.6.16
+# Thu May  4 12:46:37 2006
 #
 CONFIG_X86_32=y
 CONFIG_SEMAPHORE_SLEEPERS=y
 CONFIG_X86=y
 CONFIG_MMU=y
-CONFIG_UID16=y
 CONFIG_GENERIC_ISA_DMA=y
 CONFIG_GENERIC_IOMAP=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_DMI=y
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-# CONFIG_CLEAN_COMPILE is not set
-CONFIG_BROKEN=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -34,17 +32,19 @@
 CONFIG_SYSCTL=y
 CONFIG_AUDIT=y
 # CONFIG_AUDITSYSCALL is not set
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_VM86=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_EMBEDDED=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_EPOLL=y
@@ -53,8 +53,11 @@
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+CONFIG_OBSOLETE_INTERMODULE=m
 
 #
 # Loadable module support
@@ -116,6 +119,7 @@
 # CONFIG_MWINCHIP2 is not set
 # CONFIG_MWINCHIP3D is not set
 # CONFIG_MGEODEGX1 is not set
+# CONFIG_MGEODE_LX is not set
 # CONFIG_MCYRIXIII is not set
 # CONFIG_MVIAC3_2 is not set
 # CONFIG_X86_GENERIC is not set
@@ -162,28 +166,37 @@
 # CONFIG_NOHIGHMEM is not set
 CONFIG_HIGHMEM4G=y
 # CONFIG_HIGHMEM64G is not set
+# CONFIG_VMSPLIT_3G is not set
+CONFIG_VMSPLIT_3G_OPT=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xB0000000
 CONFIG_HIGHMEM=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=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_STATIC=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_HIGHPTE is not set
 # CONFIG_MATH_EMULATION is not set
 CONFIG_MTRR=y
 # CONFIG_EFI is not set
 # CONFIG_REGPARM is not set
-CONFIG_SECCOMP=y
+# CONFIG_SECCOMP is not set
 # CONFIG_HZ_100 is not set
 # CONFIG_HZ_250 is not set
 CONFIG_HZ_1000=y
 CONFIG_HZ=1000
-CONFIG_PHYSICAL_START=0x100000
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+CONFIG_PHYSICAL_START=0x100000
+CONFIG_DOUBLEFAULT=y
 
 #
 # Power management options (ACPI, APM)
@@ -266,7 +279,6 @@
 CONFIG_X86_P4_CLOCKMOD=m
 CONFIG_X86_CPUFREQ_NFORCE2=m
 CONFIG_X86_LONGRUN=m
-CONFIG_X86_LONGHAUL=m
 
 #
 # shared options
@@ -312,6 +324,11 @@
 # PC-card bridges
 #
 CONFIG_YENTA=m
+CONFIG_YENTA_O2=y
+CONFIG_YENTA_RICOH=y
+CONFIG_YENTA_TI=y
+CONFIG_YENTA_ENE_TUNE=y
+CONFIG_YENTA_TOSHIBA=y
 CONFIG_PD6729=m
 CONFIG_I82092=m
 CONFIG_I82365=m
@@ -350,6 +367,7 @@
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
@@ -392,6 +410,7 @@
 # TCP congestion control
 #
 CONFIG_TCP_CONG_BIC=y
+CONFIG_TCP_CONG_CUBIC=m
 CONFIG_TCP_CONG_WESTWOOD=m
 CONFIG_TCP_CONG_HTCP=m
 CONFIG_TCP_CONG_HSTCP=m
@@ -449,6 +468,29 @@
 CONFIG_NETFILTER_NETLINK=m
 CONFIG_NETFILTER_NETLINK_QUEUE=m
 CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NETFILTER_XTABLES=m
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
+CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
+CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_DCCP=m
+CONFIG_NETFILTER_XT_MATCH_HELPER=m
+CONFIG_NETFILTER_XT_MATCH_LENGTH=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+CONFIG_NETFILTER_XT_MATCH_REALM=m
+CONFIG_NETFILTER_XT_MATCH_SCTP=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+CONFIG_NETFILTER_XT_MATCH_STRING=m
+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
 
 #
 # IP: Netfilter Configuration
@@ -467,40 +509,23 @@
 CONFIG_IP_NF_PPTP=m
 CONFIG_IP_NF_QUEUE=m
 CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
 CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-CONFIG_IP_NF_MATCH_PKTTYPE=m
-CONFIG_IP_NF_MATCH_MARK=m
 CONFIG_IP_NF_MATCH_MULTIPORT=m
 CONFIG_IP_NF_MATCH_TOS=m
 CONFIG_IP_NF_MATCH_RECENT=m
 CONFIG_IP_NF_MATCH_ECN=m
 CONFIG_IP_NF_MATCH_DSCP=m
 CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
 CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
 CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_PHYSDEV=m
 CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_REALM=m
-CONFIG_IP_NF_MATCH_SCTP=m
-CONFIG_IP_NF_MATCH_DCCP=m
-CONFIG_IP_NF_MATCH_COMMENT=m
-CONFIG_IP_NF_MATCH_CONNMARK=m
-CONFIG_IP_NF_MATCH_CONNBYTES=m
 CONFIG_IP_NF_MATCH_HASHLIMIT=m
-CONFIG_IP_NF_MATCH_STRING=m
+CONFIG_IP_NF_MATCH_POLICY=m
 CONFIG_IP_NF_FILTER=m
 CONFIG_IP_NF_TARGET_REJECT=m
 CONFIG_IP_NF_TARGET_LOG=m
 CONFIG_IP_NF_TARGET_ULOG=m
 CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_TARGET_NFQUEUE=m
 CONFIG_IP_NF_NAT=m
 CONFIG_IP_NF_NAT_NEEDED=y
 CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -517,13 +542,9 @@
 CONFIG_IP_NF_TARGET_TOS=m
 CONFIG_IP_NF_TARGET_ECN=m
 CONFIG_IP_NF_TARGET_DSCP=m
-CONFIG_IP_NF_TARGET_MARK=m
-CONFIG_IP_NF_TARGET_CLASSIFY=m
 CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_TARGET_CONNMARK=m
 CONFIG_IP_NF_TARGET_CLUSTERIP=m
 CONFIG_IP_NF_RAW=m
-CONFIG_IP_NF_TARGET_NOTRACK=m
 CONFIG_IP_NF_ARPTABLES=m
 CONFIG_IP_NF_ARPFILTER=m
 CONFIG_IP_NF_ARP_MANGLE=m
@@ -533,26 +554,20 @@
 #
 CONFIG_IP6_NF_QUEUE=m
 CONFIG_IP6_NF_IPTABLES=m
-CONFIG_IP6_NF_MATCH_LIMIT=m
-CONFIG_IP6_NF_MATCH_MAC=m
 CONFIG_IP6_NF_MATCH_RT=m
 CONFIG_IP6_NF_MATCH_OPTS=m
 CONFIG_IP6_NF_MATCH_FRAG=m
 CONFIG_IP6_NF_MATCH_HL=m
 CONFIG_IP6_NF_MATCH_MULTIPORT=m
 CONFIG_IP6_NF_MATCH_OWNER=m
-CONFIG_IP6_NF_MATCH_MARK=m
 CONFIG_IP6_NF_MATCH_IPV6HEADER=m
 CONFIG_IP6_NF_MATCH_AHESP=m
-CONFIG_IP6_NF_MATCH_LENGTH=m
 CONFIG_IP6_NF_MATCH_EUI64=m
-CONFIG_IP6_NF_MATCH_PHYSDEV=m
+CONFIG_IP6_NF_MATCH_POLICY=m
 CONFIG_IP6_NF_FILTER=m
 CONFIG_IP6_NF_TARGET_LOG=m
 CONFIG_IP6_NF_TARGET_REJECT=m
-CONFIG_IP6_NF_TARGET_NFQUEUE=m
 CONFIG_IP6_NF_MANGLE=m
-CONFIG_IP6_NF_TARGET_MARK=m
 CONFIG_IP6_NF_TARGET_HL=m
 CONFIG_IP6_NF_RAW=m
 
@@ -612,6 +627,19 @@
 # CONFIG_SCTP_HMAC_NONE is not set
 # CONFIG_SCTP_HMAC_SHA1 is not set
 CONFIG_SCTP_HMAC_MD5=y
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+CONFIG_TIPC=m
+CONFIG_TIPC_ADVANCED=y
+CONFIG_TIPC_ZONES=3
+CONFIG_TIPC_CLUSTERS=1
+CONFIG_TIPC_NODES=255
+CONFIG_TIPC_SLAVE_NODES=0
+CONFIG_TIPC_PORTS=8191
+CONFIG_TIPC_LOG=0
+# CONFIG_TIPC_DEBUG is not set
 CONFIG_ATM=y
 CONFIG_ATM_CLIP=y
 # CONFIG_ATM_CLIP_NO_ICMP is not set
@@ -910,8 +938,6 @@
 CONFIG_MTD_DILNETPC_BOOTSIZE=0x80000
 # CONFIG_MTD_L440GX is not set
 CONFIG_MTD_PCI=m
-CONFIG_MTD_PCMCIA=m
-# CONFIG_MTD_PCMCIA_ANONYMOUS is not set
 CONFIG_MTD_PLATRAM=m
 
 #
@@ -920,6 +946,8 @@
 CONFIG_MTD_PMC551=m
 # CONFIG_MTD_PMC551_BUGFIX is not set
 # CONFIG_MTD_PMC551_DEBUG is not set
+CONFIG_MTD_DATAFLASH=m
+CONFIG_MTD_M25P80=m
 CONFIG_MTD_SLRAM=m
 CONFIG_MTD_PHRAM=m
 CONFIG_MTD_MTDRAM=m
@@ -1098,7 +1126,6 @@
 CONFIG_BLK_DEV_PDC202XX_OLD=m
 CONFIG_PDC202XX_BURST=y
 CONFIG_BLK_DEV_PDC202XX_NEW=m
-CONFIG_PDC202XX_FORCE=y
 CONFIG_BLK_DEV_SVWKS=m
 CONFIG_BLK_DEV_SIIMAGE=m
 CONFIG_BLK_DEV_SIS5513=m
@@ -1171,8 +1198,8 @@
 CONFIG_AIC79XX_DEBUG_MASK=0
 CONFIG_AIC79XX_REG_PRETTY_PRINT=y
 CONFIG_SCSI_DPT_I2O=m
-CONFIG_SCSI_ADVANSYS=m
 CONFIG_SCSI_IN2000=m
+CONFIG_MEGARAID_NEWGEN=y
 CONFIG_MEGARAID_MM=m
 CONFIG_MEGARAID_MAILBOX=m
 CONFIG_MEGARAID_LEGACY=m
@@ -1201,7 +1228,6 @@
 CONFIG_SCSI_EATA_TAGGED_QUEUE=y
 CONFIG_SCSI_EATA_LINKED_COMMANDS=y
 CONFIG_SCSI_EATA_MAX_TAGS=16
-CONFIG_SCSI_EATA_PIO=m
 CONFIG_SCSI_FUTURE_DOMAIN=m
 CONFIG_SCSI_GDTH=m
 CONFIG_SCSI_GENERIC_NCR5380=m
@@ -1229,15 +1255,9 @@
 CONFIG_SCSI_QLOGIC_FC=m
 CONFIG_SCSI_QLOGIC_FC_FIRMWARE=y
 CONFIG_SCSI_QLOGIC_1280=m
-CONFIG_SCSI_QLA2XXX=m
-CONFIG_SCSI_QLA21XX=m
-CONFIG_SCSI_QLA22XX=m
-CONFIG_SCSI_QLA2300=m
-CONFIG_SCSI_QLA2322=m
-CONFIG_SCSI_QLA6312=m
-CONFIG_SCSI_QLA24XX=m
+CONFIG_SCSI_QLA_FC=m
+# CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE is not set
 CONFIG_SCSI_LPFC=m
-# CONFIG_SCSI_SEAGATE is not set
 CONFIG_SCSI_SYM53C416=m
 CONFIG_SCSI_DC395x=m
 CONFIG_SCSI_DC390T=m
@@ -1335,13 +1355,12 @@
 CONFIG_IEEE1394_ETH1394=m
 CONFIG_IEEE1394_DV1394=m
 CONFIG_IEEE1394_RAWIO=m
-CONFIG_IEEE1394_CMP=m
-CONFIG_IEEE1394_AMDTP=m
 
 #
 # I2O device support
 #
 CONFIG_I2O=m
+CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y
 CONFIG_I2O_EXT_ADAPTEC=y
 CONFIG_I2O_CONFIG=m
 CONFIG_I2O_CONFIG_OLD_IOCTL=y
@@ -1424,7 +1443,8 @@
 CONFIG_TULIP=m
 # CONFIG_TULIP_MWI is not set
 # CONFIG_TULIP_MMIO is not set
-# CONFIG_TULIP_NAPI is not set
+CONFIG_TULIP_NAPI=y
+CONFIG_TULIP_NAPI_HW_MITIGATION=y
 CONFIG_DE4X5=m
 CONFIG_WINBOND_840=m
 CONFIG_DM9102=m
@@ -1449,9 +1469,9 @@
 CONFIG_NET_PCI=y
 CONFIG_PCNET32=m
 CONFIG_AMD8111_ETH=m
-# CONFIG_AMD8111E_NAPI is not set
+CONFIG_AMD8111E_NAPI=y
 CONFIG_ADAPTEC_STARFIRE=m
-# CONFIG_ADAPTEC_STARFIRE_NAPI is not set
+CONFIG_ADAPTEC_STARFIRE_NAPI=y
 CONFIG_AC3200=m
 CONFIG_APRICOT=m
 CONFIG_B44=m
@@ -1482,15 +1502,17 @@
 #
 CONFIG_DL2K=m
 CONFIG_E1000=m
-# CONFIG_E1000_NAPI is not set
+CONFIG_E1000_NAPI=y
+# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
 CONFIG_NS83820=m
 CONFIG_HAMACHI=m
 CONFIG_YELLOWFIN=m
 CONFIG_R8169=m
-# CONFIG_R8169_NAPI is not set
+CONFIG_R8169_NAPI=y
 CONFIG_R8169_VLAN=y
 CONFIG_SIS190=m
 CONFIG_SKGE=m
+CONFIG_SKY2=m
 CONFIG_SK98LIN=m
 CONFIG_VIA_VELOCITY=m
 CONFIG_TIGON3=m
@@ -1501,9 +1523,9 @@
 #
 CONFIG_CHELSIO_T1=m
 CONFIG_IXGB=m
-# CONFIG_IXGB_NAPI is not set
+CONFIG_IXGB_NAPI=y
 CONFIG_S2IO=m
-# CONFIG_S2IO_NAPI is not set
+CONFIG_S2IO_NAPI=y
 
 #
 # Token Ring devices
@@ -1543,8 +1565,9 @@
 #
 CONFIG_IPW2100=m
 CONFIG_IPW2100_MONITOR=y
-# CONFIG_IPW_DEBUG is not set
+# CONFIG_IPW2100_DEBUG is not set
 CONFIG_IPW2200=m
+# CONFIG_IPW2200_DEBUG is not set
 CONFIG_AIRO=m
 CONFIG_HERMES=m
 CONFIG_PLX_HERMES=m
@@ -1569,6 +1592,7 @@
 CONFIG_PRISM54=m
 CONFIG_HOSTAP=m
 CONFIG_HOSTAP_FIRMWARE=y
+# CONFIG_HOSTAP_FIRMWARE_NVRAM is not set
 CONFIG_HOSTAP_PLX=m
 CONFIG_HOSTAP_PCI=m
 CONFIG_HOSTAP_CS=m
@@ -1620,7 +1644,6 @@
 CONFIG_DLCI_MAX=8
 CONFIG_SDLA=m
 CONFIG_WAN_ROUTER_DRIVERS=y
-# CONFIG_VENDOR_SANGOMA is not set
 CONFIG_CYCLADES_SYNC=m
 CONFIG_CYCLOMX_X25=y
 CONFIG_LAPBETHER=m
@@ -1904,6 +1927,7 @@
 CONFIG_JOYSTICK_TURBOGRAFX=m
 CONFIG_JOYSTICK_JOYDUMP=m
 CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADS7846=m
 CONFIG_TOUCHSCREEN_GUNZE=m
 CONFIG_TOUCHSCREEN_ELO=m
 CONFIG_TOUCHSCREEN_MTOUCH=m
@@ -1948,6 +1972,7 @@
 # CONFIG_ISI is not set
 CONFIG_SYNCLINK=m
 CONFIG_SYNCLINKMP=m
+CONFIG_SYNCLINK_GT=m
 CONFIG_N_HDLC=m
 # CONFIG_RISCOM8 is not set
 # CONFIG_SPECIALIX is not set
@@ -1966,6 +1991,7 @@
 CONFIG_SERIAL_8250_CS=m
 # CONFIG_SERIAL_8250_ACPI is not set
 CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
@@ -2030,6 +2056,7 @@
 CONFIG_W83877F_WDT=m
 CONFIG_W83977F_WDT=m
 CONFIG_MACHZ_WDT=m
+CONFIG_SBC_EPX_C3_WATCHDOG=m
 
 #
 # ISA-based Watchdog Cards
@@ -2119,6 +2146,7 @@
 CONFIG_CARDMAN_4040=m
 CONFIG_MWAVE=m
 CONFIG_SCx200_GPIO=m
+CONFIG_CS5535_GPIO=m
 CONFIG_RAW_DRIVER=m
 CONFIG_MAX_RAW_DEVS=256
 CONFIG_HPET=y
@@ -2195,6 +2223,23 @@
 # CONFIG_I2C_DEBUG_CHIP is not set
 
 #
+# SPI support
+#
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=m
+CONFIG_SPI_BUTTERFLY=m
+
+#
+# SPI Protocol Masters
+#
+
+#
 # Dallas's 1-wire bus
 #
 CONFIG_W1=m
@@ -2219,6 +2264,7 @@
 CONFIG_SENSORS_ASB100=m
 CONFIG_SENSORS_ATXP1=m
 CONFIG_SENSORS_DS1621=m
+CONFIG_SENSORS_F71805F=m
 CONFIG_SENSORS_FSCHER=m
 CONFIG_SENSORS_FSCPOS=m
 CONFIG_SENSORS_GL518SM=m
@@ -2240,6 +2286,7 @@
 CONFIG_SENSORS_SMSC47M1=m
 CONFIG_SENSORS_SMSC47B397=m
 CONFIG_SENSORS_VIA686A=m
+CONFIG_SENSORS_VT8231=m
 CONFIG_SENSORS_W83781D=m
 CONFIG_SENSORS_W83792D=m
 CONFIG_SENSORS_W83L785TS=m
@@ -2269,6 +2316,7 @@
 #
 # Video Adapters
 #
+# CONFIG_VIDEO_ADV_DEBUG is not set
 CONFIG_VIDEO_BT848=m
 CONFIG_VIDEO_BT848_DVB=y
 CONFIG_VIDEO_SAA6588=m
@@ -2289,7 +2337,6 @@
 CONFIG_VIDEO_ZORAN_DC30=m
 CONFIG_VIDEO_ZORAN_LML33=m
 CONFIG_VIDEO_ZORAN_LML33R10=m
-# CONFIG_VIDEO_ZR36120 is not set
 CONFIG_VIDEO_MEYE=m
 CONFIG_VIDEO_SAA7134=m
 CONFIG_VIDEO_SAA7134_ALSA=m
@@ -2301,8 +2348,10 @@
 CONFIG_VIDEO_HEXIUM_ORION=m
 CONFIG_VIDEO_HEXIUM_GEMINI=m
 CONFIG_VIDEO_CX88=m
+CONFIG_VIDEO_CX88_ALSA=m
 CONFIG_VIDEO_CX88_DVB=m
 CONFIG_VIDEO_CX88_DVB_ALL_FRONTENDS=y
+CONFIG_VIDEO_CX88_VP3054=m
 CONFIG_VIDEO_EM28XX=m
 CONFIG_VIDEO_OVCAMCHIP=m
 CONFIG_VIDEO_AUDIO_DECODER=m
@@ -2352,6 +2401,7 @@
 # CONFIG_DVB_USB_DEBUG is not set
 CONFIG_DVB_USB_A800=m
 CONFIG_DVB_USB_DIBUSB_MB=m
+CONFIG_DVB_USB_DIBUSB_MB_FAULTY=y
 CONFIG_DVB_USB_DIBUSB_MC=m
 CONFIG_DVB_USB_UMT_010=m
 CONFIG_DVB_USB_CXUSB=m
@@ -2396,8 +2446,8 @@
 #
 CONFIG_DVB_STV0299=m
 CONFIG_DVB_CX24110=m
+CONFIG_DVB_CX24123=m
 CONFIG_DVB_TDA8083=m
-CONFIG_DVB_TDA80XX=m
 CONFIG_DVB_MT312=m
 CONFIG_DVB_VES1X93=m
 CONFIG_DVB_S5H1420=m
@@ -2419,7 +2469,6 @@
 #
 # DVB-C (cable) frontends
 #
-CONFIG_DVB_ATMEL_AT76C651=m
 CONFIG_DVB_VES1820=m
 CONFIG_DVB_TDA10021=m
 CONFIG_DVB_STV0297=m
@@ -2427,7 +2476,6 @@
 #
 # ATSC (North American/Korean Terresterial DTV) frontends
 #
-CONFIG_DVB_NXT2002=m
 CONFIG_DVB_NXT200X=m
 CONFIG_DVB_OR51211=m
 CONFIG_DVB_OR51132=m
@@ -2488,7 +2536,6 @@
 CONFIG_FB_ATY=m
 CONFIG_FB_ATY_CT=y
 CONFIG_FB_ATY_GENERIC_LCD=y
-# CONFIG_FB_ATY_XL_INIT is not set
 CONFIG_FB_ATY_GX=y
 CONFIG_FB_SAVAGE=m
 CONFIG_FB_SAVAGE_I2C=y
@@ -2504,7 +2551,6 @@
 CONFIG_FB_CYBLA=m
 CONFIG_FB_TRIDENT=m
 # CONFIG_FB_TRIDENT_ACCEL is not set
-# CONFIG_FB_PM3 is not set
 CONFIG_FB_GEODE=y
 CONFIG_FB_GEODE_GX1=m
 CONFIG_FB_VIRTUAL=m
@@ -2540,8 +2586,6 @@
 # Advanced Linux Sound Architecture
 #
 CONFIG_SND=m
-CONFIG_SND_AC97_CODEC=m
-CONFIG_SND_AC97_BUS=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
 CONFIG_SND_HWDEP=m
@@ -2554,9 +2598,10 @@
 CONFIG_SND_SEQUENCER_OSS=y
 CONFIG_SND_RTCTIMER=m
 CONFIG_SND_SEQ_RTCTIMER_DEFAULT=y
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
-CONFIG_SND_GENERIC_DRIVER=y
 
 #
 # Generic devices
@@ -2565,6 +2610,8 @@
 CONFIG_SND_OPL3_LIB=m
 CONFIG_SND_OPL4_LIB=m
 CONFIG_SND_VX_LIB=m
+CONFIG_SND_AC97_CODEC=m
+CONFIG_SND_AC97_BUS=m
 CONFIG_SND_DUMMY=m
 CONFIG_SND_VIRMIDI=m
 CONFIG_SND_MTPAV=m
@@ -2578,9 +2625,13 @@
 CONFIG_SND_CS4231_LIB=m
 CONFIG_SND_AD1816A=m
 CONFIG_SND_AD1848=m
+CONFIG_SND_ALS100=m
+CONFIG_SND_AZT2320=m
+CONFIG_SND_CMI8330=m
 CONFIG_SND_CS4231=m
 CONFIG_SND_CS4232=m
 CONFIG_SND_CS4236=m
+CONFIG_SND_DT019X=m
 CONFIG_SND_ES968=m
 CONFIG_SND_ES1688=m
 CONFIG_SND_ES18XX=m
@@ -2590,6 +2641,7 @@
 CONFIG_SND_GUSMAX=m
 CONFIG_SND_INTERWAVE=m
 CONFIG_SND_INTERWAVE_STB=m
+CONFIG_SND_OPL3SA2=m
 CONFIG_SND_OPTI92X_AD1848=m
 CONFIG_SND_OPTI92X_CS4231=m
 CONFIG_SND_OPTI93X=m
@@ -2597,18 +2649,15 @@
 CONFIG_SND_SB16=m
 CONFIG_SND_SBAWE=m
 CONFIG_SND_SB16_CSP=y
-CONFIG_SND_WAVEFRONT=m
-CONFIG_SND_ALS100=m
-CONFIG_SND_AZT2320=m
-CONFIG_SND_CMI8330=m
-CONFIG_SND_DT019X=m
-CONFIG_SND_OPL3SA2=m
 CONFIG_SND_SGALAXY=m
 CONFIG_SND_SSCAPE=m
+CONFIG_SND_WAVEFRONT=m
 
 #
 # PCI devices
 #
+CONFIG_SND_AD1889=m
+CONFIG_SND_ALS4000=m
 CONFIG_SND_ALI5451=m
 CONFIG_SND_ATIIXP=m
 CONFIG_SND_ATIIXP_MODEM=m
@@ -2618,41 +2667,41 @@
 CONFIG_SND_AZT3328=m
 CONFIG_SND_BT87X=m
 # CONFIG_SND_BT87X_OVERCLOCK is not set
+CONFIG_SND_CA0106=m
+CONFIG_SND_CMIPCI=m
+CONFIG_SND_CS4281=m
 CONFIG_SND_CS46XX=m
 CONFIG_SND_CS46XX_NEW_DSP=y
-CONFIG_SND_CS4281=m
+CONFIG_SND_CS5535AUDIO=m
 CONFIG_SND_EMU10K1=m
 CONFIG_SND_EMU10K1X=m
-CONFIG_SND_CA0106=m
-CONFIG_SND_KORG1212=m
-CONFIG_SND_MIXART=m
-CONFIG_SND_NM256=m
-CONFIG_SND_RME32=m
-CONFIG_SND_RME96=m
-CONFIG_SND_RME9652=m
-CONFIG_SND_HDSP=m
-CONFIG_SND_HDSPM=m
-CONFIG_SND_TRIDENT=m
-CONFIG_SND_YMFPCI=m
-CONFIG_SND_AD1889=m
-CONFIG_SND_ALS4000=m
-CONFIG_SND_CMIPCI=m
 CONFIG_SND_ENS1370=m
 CONFIG_SND_ENS1371=m
 CONFIG_SND_ES1938=m
 CONFIG_SND_ES1968=m
-CONFIG_SND_MAESTRO3=m
 CONFIG_SND_FM801=m
 CONFIG_SND_FM801_TEA575X=m
+CONFIG_SND_HDA_INTEL=m
+CONFIG_SND_HDSP=m
+CONFIG_SND_HDSPM=m
 CONFIG_SND_ICE1712=m
 CONFIG_SND_ICE1724=m
 CONFIG_SND_INTEL8X0=m
 CONFIG_SND_INTEL8X0M=m
+CONFIG_SND_KORG1212=m
+CONFIG_SND_MAESTRO3=m
+CONFIG_SND_MIXART=m
+CONFIG_SND_NM256=m
+CONFIG_SND_PCXHR=m
+CONFIG_SND_RME32=m
+CONFIG_SND_RME96=m
+CONFIG_SND_RME9652=m
 CONFIG_SND_SONICVIBES=m
+CONFIG_SND_TRIDENT=m
 CONFIG_SND_VIA82XX=m
 CONFIG_SND_VIA82XX_MODEM=m
 CONFIG_SND_VX222=m
-CONFIG_SND_HDA_INTEL=m
+CONFIG_SND_YMFPCI=m
 
 #
 # USB devices
@@ -2761,12 +2810,15 @@
 CONFIG_USB_STORAGE_SDDR09=y
 CONFIG_USB_STORAGE_SDDR55=y
 CONFIG_USB_STORAGE_JUMPSHOT=y
+CONFIG_USB_STORAGE_ALAUDA=y
+# CONFIG_USB_LIBUSUAL is not set
 
 #
 # USB Input Devices
 #
 CONFIG_USB_HID=m
 CONFIG_USB_HIDINPUT=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
 # CONFIG_HID_FF is not set
 CONFIG_USB_HIDDEV=y
 
@@ -2786,6 +2838,7 @@
 CONFIG_USB_YEALINK=m
 CONFIG_USB_XPAD=m
 CONFIG_USB_ATI_REMOTE=m
+CONFIG_USB_ATI_REMOTE2=m
 CONFIG_USB_KEYSPAN_REMOTE=m
 # CONFIG_USB_APPLETOUCH is not set
 
@@ -2800,6 +2853,7 @@
 #
 CONFIG_USB_VICAM=m
 CONFIG_USB_DSBR=m
+CONFIG_USB_ET61X251=m
 CONFIG_USB_IBMCAM=m
 CONFIG_USB_KONICAWC=m
 CONFIG_USB_OV511=m
@@ -2897,6 +2951,7 @@
 CONFIG_USB_ATM=m
 CONFIG_USB_SPEEDTOUCH=m
 CONFIG_USB_CXACRU=m
+CONFIG_USB_UEAGLEATM=m
 CONFIG_USB_XUSBATM=m
 
 #
@@ -2942,8 +2997,22 @@
 CONFIG_INFINIBAND_SRP=m
 
 #
-# SN Devices
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
+CONFIG_EDAC=m
+
+#
+# Reporting subsystems
+#
+# CONFIG_EDAC_DEBUG is not set
+CONFIG_EDAC_MM_EDAC=m
+CONFIG_EDAC_AMD76X=m
+CONFIG_EDAC_E7XXX=m
+CONFIG_EDAC_E752X=m
+CONFIG_EDAC_I82875P=m
+CONFIG_EDAC_I82860=m
+CONFIG_EDAC_R82600=m
+CONFIG_EDAC_POLL=y
 
 #
 # File systems
@@ -2978,6 +3047,7 @@
 CONFIG_XFS_SECURITY=y
 CONFIG_XFS_POSIX_ACL=y
 CONFIG_XFS_RT=y
+CONFIG_OCFS2_FS=m
 CONFIG_MINIX_FS=m
 CONFIG_ROMFS_FS=m
 CONFIG_INOTIFY=y
@@ -3023,6 +3093,7 @@
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 CONFIG_RELAYFS_FS=m
+CONFIG_CONFIGFS_FS=m
 
 #
 # Miscellaneous filesystems
@@ -3054,10 +3125,8 @@
 CONFIG_VXFS_FS=m
 CONFIG_HPFS_FS=m
 CONFIG_QNX4FS_FS=m
-# CONFIG_QNX4FS_RW is not set
 CONFIG_SYSV_FS=m
 CONFIG_UFS_FS=m
-# CONFIG_UFS_FS_WRITE is not set
 
 #
 # Network File Systems
@@ -3108,7 +3177,7 @@
 #
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_ACORN_PARTITION=y
-CONFIG_ACORN_PARTITION_CUMANA=y
+# CONFIG_ACORN_PARTITION_CUMANA is not set
 # CONFIG_ACORN_PARTITION_EESOX is not set
 CONFIG_ACORN_PARTITION_ICS=y
 # CONFIG_ACORN_PARTITION_ADFS is not set
@@ -3128,6 +3197,7 @@
 CONFIG_SGI_PARTITION=y
 CONFIG_ULTRIX_PARTITION=y
 CONFIG_SUN_PARTITION=y
+CONFIG_KARMA_PARTITION=y
 CONFIG_EFI_PARTITION=y
 
 #
@@ -3185,12 +3255,13 @@
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_MUTEXES is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
@@ -3200,6 +3271,7 @@
 # CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_FRAME_POINTER is not set
+# CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_EARLY_PRINTK is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
@@ -3208,6 +3280,7 @@
 #
 # Page alloc debug is incompatible with Software Suspend on i386
 #
+# CONFIG_DEBUG_RODATA is not set
 # CONFIG_4KSTACKS is not set
 CONFIG_X86_FIND_SMP_CONFIG=y
 CONFIG_X86_MPPARSE=y
@@ -3219,6 +3292,7 @@
 # CONFIG_KEYS_DEBUG_PROC_KEYS is not set
 CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
+CONFIG_SECURITY_NETWORK_XFRM=y
 CONFIG_SECURITY_CAPABILITIES=y
 CONFIG_SECURITY_ROOTPLUG=m
 CONFIG_SECURITY_SECLVL=m
@@ -3284,3 +3358,4 @@
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_X86_BIOS_REBOOT=y
+CONFIG_KTIME_SCALAR=y

Re: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Blaisorblade]

On Friday 12 May 2006 22:08, Mattia Dongili wrote:
> Hello UML developers,
>
> I received the following bugreport for 2.6.16 UML running on a 2.6.16
> host (both are debian packages). I found a similar report on a french
> site[1], it seems to be the same problem.
>
> Can you help putting some light there?
> Thanks in advance
>
> [1]:
> http://forum.hardware.fr/hardwarefr/OSAlternatifs/UML-Debian-sujet-57017-1.
>htm

I also get a problem specific to host 2.6.16 kernels, but that's when I run 
x64 guests on x64 2.6.16 hosts (x86 32-bit guests work normally); I've not 
tested 32-bit 2.6.16 hosts.

The error message is different. However, I can't exclude there is the same 
root cause acting in a different way, but I've now debugged this a bit and 
this seems unlikely.

EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Warning: unable to open an initial console.
Kernel panic - not syncing: handle_trap - failed to wait at end of syscall, 
errno = 0, status = 2943


Modules linked in:
Pid: 1, comm: init Not tainted 2.6.16.9-bs2
RIP: 0033:[<00000000400101ba>]
RSP: 0000007f7f9ec358  EFLAGS: 00000246
RAX: 000000000050a000 RBX: 0000000000000000 RCX: ffffffffffffffff
RDX: 0000000000000026 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000040000000
R10: 0000000040000a18 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000040001dd0 R14: 0000000000000008 R15: 0000000000400040
Call Trace:
6031bc48:  [<6000fe8c>] panic_exit+0x27/0x42
6031bc58:  [<60034f15>] notifier_call_chain+0x1f/0x2f
6031bc78:  [<6002784a>] panic+0xcf/0x165
6031bcb8:  [<601791f9>] __libc_waitpid+0x39/0xc0
6031bcd8:  [<6001e7f6>] set_signals+0x26/0x53
6031bd08:  [<60021640>] move_registers+0x45/0x7e
6031bd58:  [<6002295f>] userspace+0x213/0x265
6031bdc0:  [<6000a17f>] init+0x0/0x13d
6031bdd8:  [<60010410>] new_thread_handler+0x121/0x12f
6031be38:  [<6016c9a0>] __restore_rt+0x0/0x10
6031bee8:  [<6016cc59>] kill+0x9/0x20

> > When user-mode linux is used with a host kernel of
> > linux-image-2.6.16-1-k7 (ie, the package in sid), it panics. When the
> > host kernel is linux-image-2.6.15-1-k7 (also from sid), it works
> > perfectly.

> > mapping mmap stub failed, errno = 12
> > Kernel panic - not syncing: start_userspace : expected SIGSTOP, got
> > status = 256

> > EIP: 0073:[<ffffe410>] CPU: 0 Not tainted ESP: 007b:a7e29fa8 EFLAGS:
> > 00200246 Not tainted EAX: 00000000 EBX: 000013f5 ECX: 00000013 EDX:
> > 000013f5
> > ESI: 000013f1 EDI: 00000011 EBP: a7e29fc4 DS: 007b ES: 007b
> > 08267af8:  [<0806f080>] show_regs+0xb4/0xb9
> > 08267b24:  [<0805e08c>] panic_exit+0x23/0x3d
> > 08267b38:  [<0807e495>] notifier_call_chain+0x1a/0x31
> > 08267b58:  [<08072ffb>] panic+0x4f/0xca
> > 08267b74:  [<0806c165>] start_userspace+0xce/0x11a
> > 08267b94:  [<0805e31a>] init_new_context_skas+0xfb/0x13e
> > 08267bb4:  [<080ad3f0>] do_execve+0x96/0x1df
> > 08267bd8:  [<080599b8>] execve1+0x28/0x52
> > 08267bfc:  [<080599f5>] um_execve+0x13/0x3f
> > 08267c18:  [<0805936a>] run_init_process+0x34/0x4f
> > 08267c38:  [<08059471>] init+0xec/0x117
> > 08267c48:  [<0806955b>] run_kernel_thread+0x42/0x4a
> > 08267cf8:  [<0805e49f>] new_thread_handler+0x7f/0xa9
> > 08267d1c:  [<ffffe420>] _etext+0xf7e66406/0x0
> >
> > Thanks,
> >
> > Paul.
> >
> >
> >
> >
> > -- System Information:
> > Debian Release: testing/unstable
> >   APT prefers unstable
> >   APT policy: (500, 'unstable')
> > Architecture: i386 (i686)
> > Shell:  /bin/sh linked to /bin/bash
> > Kernel: Linux 2.6.16-1-k7
> > Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
> >
> > Versions of packages user-mode-linux depends on:
> > ii  uml-utilities                 20060323-3 User-mode Linux (utility
> > programs)
> >
> > user-mode-linux recommends no packages.
> >
> > -- no debconf information

-- 
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade


	

	
		
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Re: Bug#366915: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Jeff Dike]

On Mon, May 15, 2006 at 12:08:58PM +0200, Mattia Dongili wrote:
> Oh, I found
> CONFIG_PAGE_OFFSET=0xB0000000
> 
> may this be the problem? I found reports telling it broke other SW:
> http://lists.debian.org/debian-kernel/2006/04/msg00042.html

Yup, that's the problem.  They did spring a split change on you.

On rc4, UML will run if you enable host 2G/2G support.

				Jeff


-------------------------------------------------------
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Re: [Pkg-uml-pkgs] Bug#366915: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Mattia Dongili]

On Mon, May 15, 2006 at 08:39:54AM -0400, Jeff Dike wrote:
> On Mon, May 15, 2006 at 12:08:58PM +0200, Mattia Dongili wrote:
> > Oh, I found
> > CONFIG_PAGE_OFFSET=0xB0000000
> > 
> > may this be the problem? I found reports telling it broke other SW:
> > http://lists.debian.org/debian-kernel/2006/04/msg00042.html
> 
> Yup, that's the problem.  They did spring a split change on you.
> 
> On rc4, UML will run if you enable host 2G/2G support.

Does this mean that UML will run on a non-standard-vm-split _only_ if
the host has CONFIG_VMSPLIT_2G=y ?

If so is this considered a bug or a feature? :)

Thanks a lot
-- 
mattia
:wq!


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Re: Bug#366915: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Jeff Dike]

On Mon, May 15, 2006 at 12:08:58PM +0200, Mattia Dongili wrote:
> did you mean .17-rc4? Debian kernels contain very little modifications,
> and usually track upstream very closely.

Yes I did, sorry.

				Jeff


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Re: [Pkg-uml-pkgs] Bug#366915: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Jeff Dike]

On Mon, May 15, 2006 at 09:55:09PM +0200, Mattia Dongili wrote:
> Does this mean that UML will run on a non-standard-vm-split _only_ if
> the host has CONFIG_VMSPLIT_2G=y ?

The question is not clear.  The host will only have a nonstandard
split if it has CONFIG_VMSPLIT_2G or equivalent enabled.

Do you instead mean whether UML will run on a nonstandard split host
if IT (not the host) has CONFIG_HOST_2G_2G (not CONFIG_VMSPLIT_2G)
enabled?

If so, the answer for now is yes.

> If so is this considered a bug or a feature? :)

More a bug.  We are considering ways of detecting the host vmsplit at
run time and adapting to it, but added back the CONFIG_HOST_2G_2G as
an interim measure.

				Jeff


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Re: [Pkg-uml-pkgs] Bug#366915: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Mattia Dongili]

On Mon, May 15, 2006 at 09:23:19PM -0400, Jeff Dike wrote:
> On Mon, May 15, 2006 at 09:55:09PM +0200, Mattia Dongili wrote:
> > Does this mean that UML will run on a non-standard-vm-split _only_ if
> > the host has CONFIG_VMSPLIT_2G=y ?
> 
> The question is not clear.  The host will only have a nonstandard
> split if it has CONFIG_VMSPLIT_2G or equivalent enabled.
> 
> Do you instead mean whether UML will run on a nonstandard split host
> if IT (not the host) has CONFIG_HOST_2G_2G (not CONFIG_VMSPLIT_2G)
> enabled?
> 
> If so, the answer for now is yes.

Aah! thanks for clarifing and sorry for the confusion on my side..

> 
> > If so is this considered a bug or a feature? :)
> 
> More a bug.  We are considering ways of detecting the host vmsplit at
> run time and adapting to it, but added back the CONFIG_HOST_2G_2G as
> an interim measure.

Thanks, will enable it in the .17 release of the debian package.

-- 
mattia
:wq!


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Re: [Pkg-uml-pkgs] Bug#366915: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Jeff Dike]

On Tue, May 16, 2006 at 08:09:39PM +0200, Mattia Dongili wrote:
> > More a bug.  We are considering ways of detecting the host vmsplit at
> > run time and adapting to it, but added back the CONFIG_HOST_2G_2G as
> > an interim measure.
> 
> Thanks, will enable it in the .17 release of the debian package.

The option is not without cost.  It reduces the address space
available to UML processes.  Since the B0000000 split seems to be
Debian-specific, you might add a corresponding Debian-specific patch
to UML which defines the top of the address space to B0000000, rather
than A0000000, which CONFIG_HOST_2G_2G does.

				Jeff


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Re: [uml-devel] Re: Bug#366915: user-mode-linux: fails when host kernel is linux-image-2.6.16-1-k7

[Jeff Dike]

On Mon, May 15, 2006 at 12:39:48PM +0200, Blaisorblade wrote:
> The error message is different. However, I can't exclude there is the same 
> root cause acting in a different way, but I've now debugged this a bit and 
> this seems unlikely.

Have you learned anything?

See the register dumping patch I just posted and see if that tells you
anything new.

				Jeff


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