From: David Daney <ddaney.cavm@gmail.com>
To: Aaro Koskinen <aaro.koskinen@nokia.com>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Subject: Re: THP broken on OCTEON?
Date: Thu, 26 May 2016 10:59:50 -0700 [thread overview]
Message-ID: <57473996.7030705@gmail.com> (raw)
In-Reply-To: <20160525134152.GG23204@ak-desktop.emea.nsn-net.net>
On 05/25/2016 06:41 AM, Aaro Koskinen wrote:
> Hi,
>
> On Mon, May 23, 2016 at 06:13:46PM +0300, Aaro Koskinen wrote:
>> I'm getting kernel crashes (see below) reliably when building Perl in
>> parallel (make -j16) on OCTEON EBH5600 board (8 cores, 4 GB RAM) with
>> Linux 4.6.
>>
>> It seems that CONFIG_TRANSPARENT_HUGEPAGE has something to do with the
>> issue - disabling it makes build go through fine.
>
> Seems to be also reproducible on MIPS64/Malta/QEMU (UP, 2 GB RAM). This
> happened during Perl's Configure script on the first try:
>
Are you sure this failure is THP related?
Also, what is the source of your rootfs (compilers, tools etc.)?
Will a similar config fail this way on OCTEON booted with numcores=1?
> ...
>
> killpg() found.
>
> lchown() found.
>
> LDBL_DIG found.
>
> <math.h> found.
>
> Checking to see if your libm supports _LIB_VERSION...
> [ 1180.488704] Data bus error, epc == 000000fff4c0ae10, ra == 000000fff4df5d3c
> [ 1180.650437] Unhandled kernel unaligned access[#1]:
> [ 1180.651021] CPU: 0 PID: 3213 Comm: ld Not tainted 4.6.0-mipsqemu-distro.git-v2.16-3-g8f2e042-dirty-00002-g97bf1a1 #1
> [ 1180.651619] task: 98000000fdc6e300 ti: 98000000fdd98000 task.ti: 98000000fdd98000
> [ 1180.652049] $ 0 : 0000000000000000 ffffffff8021b2c8 9800000001000600 00000000f1a005bf
> [ 1180.652928] $ 4 : 00000000f1a005bf 0000000120200000 00000000000f1a00 0000000000100077
> [ 1180.653417] $ 8 : 000000000000001c 98000000fdd9ba60 98000000fdd9ba68 0000000000000000
> [ 1180.653852] $12 : 98000000fdd9ba58 000000000000a400 0000000000000000 0000000000000000
> [ 1180.654309] $16 : 0000000120200000 0000000120200000 0000000120200000 98000000fdcfd500
> [ 1180.654764] $20 : 0000000000000000 ffffffff80e10000 0000000000000003 00000001206f5000
> [ 1180.655220] $24 : 0000000000000000 ffffffff801629d0
> [ 1180.655725] $28 : 98000000fdd98000 98000000fdd9ba20 0000000000000000 ffffffff8021b2c8
> [ 1180.656219] Hi : 00000000002d4e00
> [ 1180.656453] Lo : 00000000000f1a00
> [ 1180.657115] epc : ffffffff8012c990 r4k_flush_cache_page+0x80/0x4f0
> [ 1180.657529] ra : ffffffff8021b2c8 get_dump_page+0x90/0xb8
> [ 1180.657809] Status: 1400a4e3 KX SX UX KERNEL EXL IE
> [ 1180.658268] Cause : 00800010 (ExcCode 04)
> [ 1180.658500] BadVA : 00000000f1a005bf
> [ 1180.658703] PrId : 000182a0 (MIPS 20Kc)
> [ 1180.658931] Modules linked in: autofs4
> [ 1180.659360] Process ld (pid: 3213, threadinfo=98000000fdd98000, task=98000000fdc6e300, tls=000000fff4eba700)
> [ 1180.659821] Stack : 0000000120200000 98000000fdee2480 0000000120200000 98000000fdee2a80
> 0000000000000000 98000000fdc95580 0000000000000003 ffffffff8021b2c8
> 98000000044db600 98000000fdc95580 98000000fe602100 ffffffff802ad418
> 98000000fe636800 ffffffff806c0188 0000000300000088 98000000fe602300
> ffffffff806c0188 5349474900000080 98000000fdd9bae8 ffffffff806c0188
> 0000000600000120 98000000fdcfd630 ffffffff806c0188 46494c45000004c7
> c000000000171000 0000000a00000080 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> ...
> [ 1180.664677] Call Trace:
> [ 1180.665054] [<ffffffff8012c990>] r4k_flush_cache_page+0x80/0x4f0
> [ 1180.666422] [<ffffffff8021b2c8>] get_dump_page+0x90/0xb8
> [ 1180.667099] [<ffffffff802ad418>] elf_core_dump+0x11a0/0x1350
> [ 1180.667813] [<ffffffff802b1b30>] do_coredump+0x5a0/0xdf0
> [ 1180.668500] [<ffffffff80143bfc>] get_signal+0x2bc/0x688
> [ 1180.669172] [<ffffffff8010a874>] do_signal+0x24/0x1e8
> [ 1180.669808] [<ffffffff8010b740>] do_notify_resume+0xa8/0xc8
> [ 1180.670504] [<ffffffff80105d00>] work_notifysig+0x10/0x18
> [ 1180.671514]
> [ 1180.671806]
> Code: 00111a7a 30630ff8 0064182d <dc630000> 30640001 1080005b 00000000 df840000 dc8402b8
> [ 1180.674251] ---[ end trace b03bb9be4922a576 ]---
> [ 1180.675178] Fatal exception: panic in 5 seconds
> [ 1185.681555] Kernel panic - not syncing: Fatal exception
> [ 1185.682849] ---[ end Kernel panic - not syncing: Fatal exception
>
> Used kernel config:
>
> CONFIG_MIPS_MALTA=y
> CONFIG_CPU_MIPS64_R1=y
> CONFIG_64BIT=y
> # CONFIG_BOUNCE is not set
> CONFIG_TRANSPARENT_HUGEPAGE=y
> CONFIG_HZ_100=y
> CONFIG_KEXEC=y
> # CONFIG_SECCOMP is not set
> CONFIG_LOCALVERSION="-mipsqemu"
> CONFIG_SYSVIPC=y
> CONFIG_POSIX_MQUEUE=y
> # CONFIG_CROSS_MEMORY_ATTACH is not set
> CONFIG_AUDIT=y
> CONFIG_NO_HZ_IDLE=y
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_LOG_BUF_SHIFT=14
> CONFIG_NAMESPACES=y
> CONFIG_SCHED_AUTOGROUP=y
> CONFIG_BLK_DEV_INITRD=y
> CONFIG_KALLSYMS_ALL=y
> CONFIG_EMBEDDED=y
> CONFIG_MODULES=y
> CONFIG_MODULE_FORCE_LOAD=y
> CONFIG_MODULE_UNLOAD=y
> CONFIG_MODULE_FORCE_UNLOAD=y
> # CONFIG_BLK_DEV_BSG is not set
> CONFIG_PARTITION_ADVANCED=y
> # CONFIG_EFI_PARTITION is not set
> # CONFIG_IOSCHED_DEADLINE is not set
> CONFIG_PCI=y
> CONFIG_MIPS32_O32=y
> CONFIG_MIPS32_N32=y
> CONFIG_NET=y
> CONFIG_PACKET=y
> CONFIG_UNIX=y
> CONFIG_INET=y
> CONFIG_IP_MULTICAST=y
> CONFIG_IP_MROUTE=y
> CONFIG_IP_PIMSM_V1=y
> CONFIG_IP_PIMSM_V2=y
> # 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_DIAG is not set
> CONFIG_TCP_MD5SIG=y
> CONFIG_INET6_AH=m
> CONFIG_INET6_ESP=m
> CONFIG_INET6_IPCOMP=m
> CONFIG_INET6_XFRM_MODE_TRANSPORT=m
> CONFIG_INET6_XFRM_MODE_TUNNEL=m
> CONFIG_INET6_XFRM_MODE_BEET=m
> CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
> CONFIG_IPV6_SIT=m
> CONFIG_IPV6_GRE=m
> CONFIG_IPV6_MULTIPLE_TABLES=y
> CONFIG_NETFILTER=y
> CONFIG_NF_CONNTRACK=m
> CONFIG_NF_CONNTRACK_IPV4=m
> CONFIG_IP_NF_IPTABLES=m
> CONFIG_IP_NF_NAT=m
> CONFIG_IP_NF_TARGET_MASQUERADE=m
> CONFIG_IP_NF_TARGET_NETMAP=m
> CONFIG_IP_NF_TARGET_REDIRECT=m
> CONFIG_NF_CONNTRACK_IPV6=m
> CONFIG_IP6_NF_IPTABLES=m
> CONFIG_IP6_NF_NAT=m
> CONFIG_IP6_NF_TARGET_MASQUERADE=m
> CONFIG_IP6_NF_TARGET_NPT=m
> CONFIG_VLAN_8021Q=m
> # CONFIG_WIRELESS is not set
> CONFIG_NET_9P=y
> CONFIG_NET_9P_VIRTIO=y
> CONFIG_DEVTMPFS=y
> # CONFIG_FW_LOADER is not set
> CONFIG_BLK_DEV_LOOP=y
> CONFIG_BLK_DEV_DRBD=m
> CONFIG_VIRTIO_BLK=y
> CONFIG_BLK_DEV_SD=y
> # CONFIG_SCSI_LOWLEVEL is not set
> CONFIG_ATA=y
> CONFIG_ATA_PIIX=y
> CONFIG_MD=y
> CONFIG_BLK_DEV_DM=m
> CONFIG_DM_MULTIPATH=m
> CONFIG_DM_MULTIPATH_QL=m
> CONFIG_DM_MULTIPATH_ST=m
> CONFIG_NETDEVICES=y
> CONFIG_DUMMY=m
> CONFIG_VXLAN=m
> CONFIG_NETCONSOLE=m
> CONFIG_VIRTIO_NET=y
> # CONFIG_ETHERNET is not set
> # CONFIG_WLAN is not set
> # CONFIG_INPUT is not set
> # CONFIG_SERIO is not set
> # CONFIG_VT is not set
> # CONFIG_LEGACY_PTYS is not set
> CONFIG_SERIAL_8250=y
> CONFIG_SERIAL_8250_CONSOLE=y
> CONFIG_SERIAL_8250_NR_UARTS=3
> CONFIG_SERIAL_8250_RUNTIME_UARTS=3
> # CONFIG_HW_RANDOM is not set
> # CONFIG_HWMON is not set
> # CONFIG_VGA_ARB is not set
> CONFIG_VIRTIO_PCI=y
> # CONFIG_IOMMU_SUPPORT is not set
> CONFIG_EXT4_FS=y
> CONFIG_EXT4_FS_POSIX_ACL=y
> CONFIG_EXT4_FS_SECURITY=y
> CONFIG_AUTOFS4_FS=m
> CONFIG_FUSE_FS=m
> CONFIG_ISO9660_FS=m
> CONFIG_VFAT_FS=m
> CONFIG_PROC_KCORE=y
> CONFIG_TMPFS=y
> CONFIG_TMPFS_POSIX_ACL=y
> # CONFIG_MISC_FILESYSTEMS is not set
> CONFIG_NFS_FS=m
> CONFIG_NFS_V3_ACL=y
> CONFIG_NFS_V4=m
> CONFIG_NFSD=m
> CONFIG_NFSD_V3_ACL=y
> CONFIG_NFSD_V4=y
> CONFIG_9P_FS=y
> CONFIG_PRINTK_TIME=y
> CONFIG_DEBUG_INFO=y
> CONFIG_MAGIC_SYSRQ=y
> CONFIG_SCHEDSTATS=y
> CONFIG_IRQSOFF_TRACER=y
> CONFIG_SCHED_TRACER=y
> CONFIG_FTRACE_SYSCALLS=y
> CONFIG_STACK_TRACER=y
> CONFIG_BLK_DEV_IO_TRACE=y
> # CONFIG_CRYPTO_HW is not set
>
> A.
>
next prev parent reply other threads:[~2016-05-26 18:00 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-23 15:13 THP broken on OCTEON? Aaro Koskinen
2016-05-23 15:20 ` Ralf Baechle
2016-05-23 16:21 ` David Daney
2016-05-23 18:52 ` Aaro Koskinen
2016-05-23 19:03 ` David Daney
2016-05-23 19:03 ` David Daney
2016-05-23 19:08 ` Joshua Kinard
2016-05-23 20:02 ` Alastair Bridgewater
2016-05-23 18:57 ` Joshua Kinard
2016-05-23 19:22 ` Ralf Baechle
2016-05-23 19:40 ` Joshua Kinard
2016-05-23 20:01 ` Ralf Baechle
2016-05-24 21:21 ` Aaro Koskinen
2016-05-24 22:39 ` David Daney
2016-05-25 13:41 ` Aaro Koskinen
2016-05-26 9:33 ` Joshua Kinard
2016-05-26 13:36 ` Aaro Koskinen
2016-05-26 17:59 ` David Daney [this message]
2016-05-26 19:23 ` Aaro Koskinen
2016-05-26 22:13 ` David Daney
2016-05-27 17:14 ` Aaro Koskinen
2016-05-27 21:03 ` Joshua Kinard
2016-05-27 22:05 ` Aaro Koskinen
2016-05-27 22:22 ` Joshua Kinard
2016-06-22 22:05 ` David Daney
2016-06-23 12:08 ` Aaro Koskinen
2016-06-23 12:08 ` Aaro Koskinen
2016-06-24 11:38 ` Joshua Kinard
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