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Message #54191
[Bug 1301496] Re: kernel crash: Unable to handle kernel paging request for data
000000 0044 0000
LEN TYPE
000000 0014 0002 0001 0000 034b 0000
LEN TYPE
000010 0802 fe80 0001 0000 0008 0001 007f 0100
LEN TYPE 127.0.0.1
000020 0008 0002 007f 0100 0007 0003 6f6c 0000
LEN TYPE 127.0.0.1 LEN TYPE lo
000030 0014 0006 ffff ffff ffff ffff bb72 0054
LEN TYPE
000040 bb72 0054
000040 0050 0000
LEN TYPE
000040 0014 0002 0001 0000
LEN TYPE
000050 034b 0000 1802 0080 000c 0000 0008 0001
LEN TYPE
000060 000a 8203 0008 0002 000a 8203 0008 0004
10.0.3.130 LEN TYPE 10.0.3.130 LEN TYPE
000070 000a ff03 0009 0003 7465 3068 0000 0000
10.0.3.255 LEN TYPE eth0
000080 0014 0006 ffff ffff ffff ffff bcc8 0054
LEN TYPE
000090 bcc8 0054
This looks a little bit like the sort of contents we might expect to see dumped from a call to GETADDRS
against PF_UNSPEC which calls out to all of the inet{,6}_fill_ifaddr() handlers, though nested:
[IFA_LOCAL(fe80...), IFA_ADDRESS(127.0.0.1), IFA_LOCAL(127.0.0.1), IFA_LABEL(lo),IFA_CACHEINFO(...)]
[IFA_LOCAL(00008000...??), IFA_ADDRESS(10.0.3.130), IFA_LOCAL(10.0.3.130), IFA_BROADCAST(10.0.3.255), IFA_LABEL(eth0)]
Where:
IFA_LOCAL (16 bytes, ipv6 or 4 bytes, ipv4)
IFA_ADDRESS (4 bytes, ipv4)
IFA_BROADCAST (4 bytes, ipv4)
IFA_CACHEINFO (16 bytes)
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https://bugs.launchpad.net/bugs/1301496
Title:
kernel crash: Unable to handle kernel paging request for data
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
We've seen this happen twice now on ppc64el guests that are probably
under load. I don't have a lot of the details on what was going on
when they failed, but I have the stack traces.
[101168.836780] Unable to handle kernel paging request for data at address 0x00010001
[101168.836886] Faulting instruction address: 0xc000000000954b60
[101168.836934] Oops: Kernel access of bad area, sig: 11 [#1]
[101168.836971] SMP NR_CPUS=2048 NUMA pSeries
[101168.837020] Modules linked in: veth xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables dm_crypt
[101168.837234] CPU: 1 PID: 19760 Comm: kworker/u4:0 Not tainted 3.13.0-8-generic #28-Ubuntu
[101168.837294] Workqueue: netns .cleanup_net
[101168.837332] task: c0000003f99d43e0 ti: c0000001cce44000 task.ti: c0000001cce44000
[101168.837386] NIP: c000000000954b60 LR: c000000000954b68 CTR: c000000000954b00
[101168.837439] REGS: c0000001cce47760 TRAP: 0300 Not tainted (3.13.0-8-generic)
[101168.837493] MSR: 8000000000009033 <SF,EE,ME,IR,DR,RI,LE> CR: 24002024 XER: 00000000
[101168.837620] CFAR: 000000001063ea4c DAR: 0000000000010001 DSISR: 40000000 SOFTE: 1
GPR00: c000000000954b68 c0000001cce479e0 c0000000010b0dd0 0000000000010001
GPR04: f0000000099918f0 c0000002be072380 c000000000954b68 c0000003fe023508
GPR08: 0000000000010000 c000000209fc0000 000000000000000e 0000000000000001
GPR12: 0000000044002028 c00000000fe80300 c0000000000c3f00 c0000002be1e8bc0
GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
GPR20: 0000000000000000 0000000000000000 0000000000000001 c000000000f630fc
GPR24: 0000000000000001 fffffffffffffef7 0000000000000000 c000000000f58638
GPR28: 0000000000000001 c0000003fbdc0000 0000000000002000 0000000000000000
[101168.838355] NIP [c000000000954b60] .tcp_net_metrics_exit+0x60/0x110
[101168.838402] LR [c000000000954b68] .tcp_net_metrics_exit+0x68/0x110
[101168.838448] Call Trace:
[101168.838469] [c0000001cce479e0] [c000000000954b68] .tcp_net_metrics_exit+0x68/0x110 (unreliable)
[101168.838542] [c0000001cce47a70] [c0000000008cc49c] .ops_exit_list.isra.2+0x6c/0xd0
[101168.838605] [c0000001cce47b00] [c0000000008ccef0] .cleanup_net+0x150/0x250
[101168.838662] [c0000001cce47bc0] [c0000000000b9e28] .process_one_work+0x1a8/0x4d0
[101168.838726] [c0000001cce47c60] [c0000000000baaf0] .worker_thread+0x180/0x4a0
[101168.838783] [c0000001cce47d30] [c0000000000c4010] .kthread+0x110/0x130
[101168.838841] [c0000001cce47e30] [c00000000000a160] .ret_from_kernel_thread+0x5c/0x7c
[101168.838903] Instruction dump:
[101168.838940] 7d295030 2f890000 e93d0288 419e0058 3bc00000 3b800001 60000000 60420000
[101168.839031] 7bc81f24 7c69402a 2fa30000 419e0024 <ebe30000> 4b8b809d 60000000 2fbf0000
[101168.839127] ---[ end trace fb028b2b5c006a6a ]---
---
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14-0ubuntu1
Architecture: ppc64el
ArecordDevices: Error: [Errno 2] No such file or directory
CRDA: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 14.04
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinux-3.13.0-19-generic root=UUID=19eaa2f9-0f24-49b9-ba48-24879242481c ro console=hvc0 earlyprintk
ProcVersionSignature: User Name 3.13.0-19.40-generic 3.13.6
RelatedPackageVersions:
linux-restricted-modules-3.13.0-19-generic N/A
linux-backports-modules-3.13.0-19-generic N/A
linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty uec-images
Uname: Linux 3.13.0-19-generic ppc64le
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dialout dip floppy netdev plugdev sudo video
WifiSyslog:
_MarkForUpload: True
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References
