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Message #113408
[Bug 1421400] Re: stack trace on ppc64 kvm guest
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1421400
Title:
stack trace on ppc64 kvm guest
Status in linux package in Ubuntu:
Expired
Bug description:
testing kvm with vivid guests, we're seeing stack traces in the
majority (if not all) instances:
[ 1.956634] irq 18: nobody cared (try booting with the "irqpoll" option)
[ 1.956680] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.18.0-13-generic #14-Ubuntu
[ 1.956728] Call Trace:
[ 1.956748] [c00000001ffcfcb0] [c000000000a20a44] dump_stack+0x90/0xbc (unreliable)
[ 1.956806] [c00000001ffcfce0] [c00000000012a590] __report_bad_irq+0x60/0x160
[ 1.956856] [c00000001ffcfd70] [c00000000012ae00] note_interrupt+0x340/0x3a0
[ 1.956905] [c00000001ffcfe10] [c000000000126f54] handle_irq_event_percpu+0x124/0x2b0
[ 1.956961] [c00000001ffcfed0] [c000000000127148] handle_irq_event+0x68/0xc0
[ 1.957010] [c00000001ffcff00] [c00000000012b734] handle_fasteoi_irq+0xe4/0x290
[ 1.957066] [c00000001ffcff30] [c0000000001260c8] generic_handle_irq+0x58/0x90
[ 1.957123] [c00000001ffcff60] [c000000000010ef0] __do_irq+0x80/0x190
[ 1.957172] [c00000001ffcff90] [c0000000000245b0] call_do_irq+0x14/0x24
[ 1.957221] [c00000001e683030] [c000000000011098] do_IRQ+0x98/0x140
[ 1.957270] [c00000001e683080] [c0000000000099b0] restore_check_irq_replay+0x2c/0x70
[ 1.957327] --- interrupt: 501 at arch_local_irq_restore+0x74/0x90
LR = arch_local_irq_restore+0x74/0x90
[ 1.957399] [c00000001e683370] [0000000000000002] 0x2 (unreliable)
[ 1.957449] [c00000001e683390] [c0000000000b3434] __do_softirq+0xe4/0x410
[ 1.957498] [c00000001e683480] [c0000000000b3b38] irq_exit+0xf8/0x140
[ 1.957547] [c00000001e6834b0] [c00000000001f254] timer_interrupt+0xa4/0xe0
[ 1.957596] [c00000001e6834e0] [c0000000000099d8] restore_check_irq_replay+0x54/0x70
[ 1.957653] --- interrupt: 901 at arch_local_irq_restore+0x74/0x90
LR = arch_local_irq_restore+0x74/0x90
[ 1.957725] [c00000001e6837d0] [0000000000000010] 0x10 (unreliable)
[ 1.957774] [c00000001e6837f0] [c000000000a156c4] _raw_spin_unlock_irqrestore+0x54/0xb0
[ 1.957831] [c00000001e683820] [c00000000023cb80] pcpu_alloc+0x300/0x770
[ 1.957881] [c00000001e683920] [c00000000028ee5c] kmem_cache_open+0x40c/0x550
[ 1.957929] [c00000001e6839f0] [c00000000028f7f4] __kmem_cache_create+0x54/0x2c0
[ 1.957986] [c00000001e683aa0] [c0000000002400d4] do_kmem_cache_create+0xa4/0x230
[ 1.958043] [c00000001e683b10] [c0000000002403b0] kmem_cache_create+0x150/0x270
[ 1.958099] [c00000001e683bd0] [c000000000def0e0] dm_kcopyd_init+0x30/0x90
[ 1.958148] [c00000001e683bf0] [c000000000deecc8] dm_init+0x4c/0xbc
[ 1.958197] [c00000001e683c30] [c00000000000b4dc] do_one_initcall+0x12c/0x280
[ 1.958246] [c00000001e683d00] [c000000000d94174] kernel_init_freeable+0x25c/0x33c
[ 1.958302] [c00000001e683dc0] [c00000000000be0c] kernel_init+0x2c/0x140
[ 1.958351] [c00000001e683e30] [c000000000009568] ret_from_kernel_thread+0x5c/0x74
[ 1.958407] handlers:
[ 1.958425] [<c00000000077dcc0>] usb_hcd_irq
[ 1.958458] Disabling IRQ #18
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.18.0-13-generic 3.18.0-13.14
ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
Uname: Linux 3.18.0-13-generic ppc64le
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: 'aplay'
ApportVersion: 2.16-0ubuntu1
Architecture: ppc64el
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
CRDA: Error: [Errno 2] No such file or directory: 'iw'
CurrentDmesg:
[ 44.146711] systemd-logind[1324]: Failed to start user service: Unknown unit: user@1000.service
[ 44.151708] systemd-logind[1324]: New session 1 of user ubuntu.
[ 57.920335] systemd-logind[1324]: Removed session 1.
[ 79.421120] systemd-logind[1324]: New session 2 of user ubuntu.
[ 704.822922] systemd-logind[1324]: New session 4 of user ubuntu.
Date: Thu Feb 12 20:26:17 2015
Ec2AMI: ami-00000001
Ec2AMIManifest: FIXME
Ec2AvailabilityZone: nova
Ec2InstanceType: m1.small
Ec2Kernel: None
Ec2Ramdisk: None
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
PciMultimedia:
ProcEnviron:
TERM=screen
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinux-3.18.0-13-generic root=UUID=6ceeb15f-a85a-46d3-aba0-64598781f826 ro console=hvc0 earlyprintk
ProcLoadAvg: 0.08 0.03 0.04 1/82 11730
ProcLocks:
1: POSIX ADVISORY WRITE 1057 00:0f:9711 0 EOF
2: FLOCK ADVISORY WRITE 1040 00:0f:9709 0 EOF
ProcModules: dm_crypt 27146 0 - Live 0xd000000002030000
ProcSwaps: Filename Type Size Used Priority
ProcVersion: Linux version 3.18.0-13-generic (buildd@fisher04) (gcc version 4.9.2 (Ubuntu 4.9.2-10ubuntu5) ) #14-Ubuntu SMP Fri Feb 6 09:57:41 UTC 2015
RelatedPackageVersions:
linux-restricted-modules-3.18.0-13-generic N/A
linux-backports-modules-3.18.0-13-generic N/A
linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 1
cpu_coreson: Number of cores online = 1
cpu_dscr: DSCR is 0
cpu_freq:
min: 3.642 GHz (cpu 0)
max: 3.642 GHz (cpu 0)
avg: 3.642 GHz
cpu_runmode: run-mode=0
cpu_smt: Error: command ['ppc64_cpu', '--smt'] failed with exit code 255: Machine is not SMT capable
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