apport information
** Tags added: apport-collected
** Description changed:
I have a machine running linux-4.15.0-23-generic, and I can reliably
trigger a kernel BUG under heavy write I/O using RAID 5.
$ cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1]
[raid10]
md0 : active raid5 sdd2[1] sda2[0] sdb2[2] sdc2[3]
23440220160 blocks super 1.2 level 5, 512k chunk, algorithm 2 [4/4]
[UUUU]
bitmap: 0/59 pages [0KB], 65536KB chunk
unused devices: <none>
[35679.932015] ------------[ cut here ]------------
[35679.932017] kernel BUG at
/build/linux-uT8zSN/linux-4.15.0/drivers/md/raid5.c:1757!
[35679.932044] invalid opcode: 0000 [#1] SMP PTI
[35679.932054] Modules linked in: xfs nls_iso8859_1 ppdev intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic kvm_intel snd_hda_intel kvm
snd_hda_codec snd_hda_core snd_hwdep snd_pcm irqbypass intel_cstate
intel_rapl_perf snd_timer acpi_pad mei_me mei input_leds mac_hid snd shpchp
wmi_bmof intel_pch_thermal soundcore parport_pc parport sch_fq_codel ib_iser
rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10
raid1 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c hid_generic usbhid hid
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc i915 aesni_intel
aes_x86_64 crypto_simd glue_helper
[35679.932199] cryptd i2c_algo_bit drm_kms_helper e1000e syscopyarea
sysfillrect sysimgblt fb_sys_fops ptp ahci pps_core drm libahci wmi video
[35679.932229] CPU: 2 PID: 272 Comm: md0_raid5 Not tainted 4.15.0-23-generic
#25-Ubuntu
[35679.932245] Hardware name: Gigabyte Technology Co., Ltd. H370M-D3H/H370M
D3H-CF, BIOS F3 03/01/2018
[35679.932266] RIP: 0010:raid_run_ops+0xbcc/0x15f0 [raid456]
[35679.932277] RSP: 0018:ffffa95d0133fb30 EFLAGS: 00010006
[35679.932289] RAX: 0000000000000000 RBX: ffff96231cf67a34 RCX:
0000000000000000
[35679.932304] RDX: ffff96231d2cd7c0 RSI: ffff962303321380 RDI:
ffff96231d2cd828
[35679.932318] RBP: ffffa95d0133fbe8 R08: 0000000000001000 R09:
ffffa95d0133fac0
[35679.932333] R10: 0000000000001000 R11: ffff96231d2cd848 R12:
ffff96231d2cda08
[35679.932347] R13: ffff96231d2cd828 R14: ffff96231d2cd7c0 R15:
ffff962319bc8000
[35679.932362] FS: 0000000000000000(0000) GS:ffff96232e480000(0000)
knlGS:0000000000000000
[35679.932379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[35679.932391] CR2: 0000564929900bb8 CR3: 0000000041a0a003 CR4:
00000000003606e0
[35679.932405] Call Trace:
[35679.932415] handle_stripe+0x669/0x21c0 [raid456]
[35679.932428] handle_active_stripes.isra.62+0x3da/0x5a0 [raid456]
[35679.932442] raid5d+0x407/0x5f0 [raid456]
[35679.932454] md_thread+0x129/0x170
[35679.932463] ? handle_active_stripes.isra.62+0x5a0/0x5a0 [raid456]
[35679.932477] ? md_thread+0x129/0x170
[35679.932487] ? wait_woken+0x80/0x80
[35679.932497] kthread+0x121/0x140
[35679.932505] ? find_pers+0x70/0x70
[35679.932515] ? kthread_create_worker_on_cpu+0x70/0x70
[35679.932527] ret_from_fork+0x35/0x40
[35679.932536] Code: 48 63 d2 48 8d 04 d0 48 89 45 c8 0f 84 9a 09 00 00 48 8b
7d 98 44 89 f1 31 d2 4c 89 e6 e8 9d a9 e7 ff 48 89 45 98 e9 06 f6 ff ff <0f> 0b
0f 0b e9 89 f9 ff ff 8b 4d 90 89 fe e9 7e fd ff ff 4c 8b
[35679.932588] RIP: raid_run_ops+0xbcc/0x15f0 [raid456] RSP: ffffa95d0133fb30
[35679.932603] ---[ end trace 22e551ef3119d0b0 ]---
$ cat /proc/version_signature
Ubuntu 4.15.0-23.25-generic 4.15.18
+ ---
+ ProblemType: Bug
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version
k4.15.0-23-generic.
+ AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
+ ApportVersion: 2.20.9-0ubuntu7.2
+ Architecture: amd64
+ ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
+ AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D10p',
'/dev/snd/pcmC0D9p', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p',
'/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1p',
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
+ Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
+ Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
+ DistroRelease: Ubuntu 18.04
+ HibernationDevice: RESUME=/dev/mapper/thrashed-swap
+ InstallationDate: Installed on 2018-07-07 (1 days ago)
+ InstallationMedia: Ubuntu-Server 18.04 LTS "Bionic Beaver" - Release amd64
(20180426)
+ IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
+ Lsusb:
+ Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+ Bus 001 Device 002: ID 0603:00f2 Novatek Microelectronics Corp. Keyboard
(Labtec Ultra Flat Keyboard)
+ Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ MachineType: Gigabyte Technology Co., Ltd. H370M-D3H
+ Package: linux (not installed)
+ ProcEnviron:
+ TERM=xterm-256color
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_AU.UTF-8
+ SHELL=/bin/bash
+ ProcFB:
+
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-23-generic
root=/dev/mapper/hostname-root ro
+ ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
+ RelatedPackageVersions:
+ linux-restricted-modules-4.15.0-23-generic N/A
+ linux-backports-modules-4.15.0-23-generic N/A
+ linux-firmware 1.173.1
+ RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
+ Tags: bionic
+ Uname: Linux 4.15.0-23-generic x86_64
+ UnreportableReason: This report is about a package that is not installed.
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
+ _MarkForUpload: False
+ dmi.bios.date: 03/01/2018
+ dmi.bios.vendor: American Megatrends Inc.
+ dmi.bios.version: F3
+ dmi.board.asset.tag: Default string
+ dmi.board.name: H370M D3H-CF
+ dmi.board.vendor: Gigabyte Technology Co., Ltd.
+ dmi.board.version: x.x
+ dmi.chassis.asset.tag: Default string
+ dmi.chassis.type: 3
+ dmi.chassis.vendor: Default string
+ dmi.chassis.version: Default string
+ dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF3:bd03/01/2018:svnGigabyteTechnologyCo.,Ltd.:pnH370M-D3H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnH370MD3H-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
+ dmi.product.family: Default string
+ dmi.product.name: H370M-D3H
+ dmi.product.version: Default string
+ dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Attachment added: "AlsaDevices.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161066/+files/AlsaDevices.txt
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https://bugs.launchpad.net/bugs/1780628
Title:
linux-4.15.0-23-generic RAID 5 kernel BUG
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