And v4.19-rc6: [ 3635.247863] ------------[ cut here ]------------ [ 3635.247865] kernel BUG at drivers/md/raid5.c:1760! [ 3635.247872] invalid opcode: 0000 [#1] SMP PTI [ 3635.247875] CPU: 2 PID: 279 Comm: md0_raid5 Not tainted 4.19.0-041900rc6-generic #201809301631 [ 3635.247877] Hardware name: Gigabyte Technology Co., Ltd. H370M-D3H/H370M D3H-CF, BIOS F3 03/01/2018 [ 3635.247883] RIP: 0010:raid_run_ops+0xbda/0x15d0 [raid456] [ 3635.247886] Code: 48 8d 04 d0 48 89 45 c8 83 f9 01 0f 85 f8 f5 ff ff 49 8b 75 00 31 c9 31 d2 4c 89 e7 e8 3f a0 d4 ff 48 89 45 98 e9 f0 f5 ff ff <0f> 0b 0f 0b e9 52 f9 ff ff 4c 8b 75 80 83 85 4c ff ff ff 01 e9 18 [ 3635.247888] RSP: 0018:ffffa0154122fb48 EFLAGS: 00010002 [ 3635.247891] RAX: 0000000000000198 RBX: ffff88dad8917800 RCX: 0000000000000000 [ 3635.247893] RDX: ffff88dad8917598 RSI: ffff88da08ead120 RDI: ffff88dad8917468 [ 3635.247895] RBP: ffffa0154122fc08 R08: 0000000000001000 R09: ffffa0154122fad8 [ 3635.247896] R10: ffff88dad8917488 R11: 0000000000000000 R12: ffff88db5a759898 [ 3635.247898] R13: ffff88dad8917468 R14: ffff88dad8917400 R15: ffff88db586c0000 [ 3635.247900] FS: 0000000000000000(0000) GS:ffff88db66280000(0000) knlGS:0000000000000000 [ 3635.247902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3635.247904] CR2: 00007ff2fe7f8ff8 CR3: 000000002220a005 CR4: 00000000003606e0 [ 3635.247906] Call Trace: [ 3635.247911] ? handle_stripe_dirtying+0x706/0x800 [raid456] [ 3635.247915] handle_stripe+0xb9b/0x1f90 [raid456] [ 3635.247919] ? __wake_up_common_lock+0x8e/0xc0 [ 3635.247923] handle_active_stripes.isra.74+0x3e6/0x5d0 [raid456] [ 3635.247927] raid5d+0x359/0x550 [raid456] [ 3635.247931] md_thread+0x98/0x160 [ 3635.247934] ? wait_woken+0x80/0x80 [ 3635.247937] kthread+0x120/0x140 [ 3635.247939] ? md_rdev_init+0xb0/0xb0 [ 3635.247942] ? kthread_bind+0x40/0x40 [ 3635.247945] ret_from_fork+0x35/0x40 [ 3635.247947] Modules linked in: xfs nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_hda_intel coretemp ppdev kvm_intel snd_hda_codec snd_hda_core snd_hwdep intel_cstate snd_pcm snd_timer sch_fq_codel snd wmi_bmof acpi_pad intel_rapl_perf soundcore parport_pc mac_hid intel_pch_thermal mei_me mei parport ib_iser rdma_cm iw_cm ib_cm ib_core nfsd iscsi_tcp libiscsi_tcp libiscsi auth_rpcgss scsi_transport_iscsi nfs_acl lockd grace sunrpc 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 i915 crct10dif_pclmul kvmgt crc32_pclmul vfio_mdev ghash_clmulni_intel mdev pcbc vfio_iommu_type1 vfio aesni_intel kvm [ 3635.247984] irqbypass aes_x86_64 i2c_algo_bit crypto_simd drm_kms_helper cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm e1000e ahci libahci wmi video pinctrl_cannonlake pinctrl_intel [ 3635.247996] ---[ end trace 70e03761eb30ac04 ]--- [ 3635.248000] RIP: 0010:raid_run_ops+0xbda/0x15d0 [raid456] [ 3635.248002] Code: 48 8d 04 d0 48 89 45 c8 83 f9 01 0f 85 f8 f5 ff ff 49 8b 75 00 31 c9 31 d2 4c 89 e7 e8 3f a0 d4 ff 48 89 45 98 e9 f0 f5 ff ff <0f> 0b 0f 0b e9 52 f9 ff ff 4c 8b 75 80 83 85 4c ff ff ff 01 e9 18 [ 3635.248005] RSP: 0018:ffffa0154122fb48 EFLAGS: 00010002 [ 3635.248007] RAX: 0000000000000198 RBX: ffff88dad8917800 RCX: 0000000000000000 [ 3635.248009] RDX: ffff88dad8917598 RSI: ffff88da08ead120 RDI: ffff88dad8917468 [ 3635.248011] RBP: ffffa0154122fc08 R08: 0000000000001000 R09: ffffa0154122fad8 [ 3635.248012] R10: ffff88dad8917488 R11: 0000000000000000 R12: ffff88db5a759898 [ 3635.248014] R13: ffff88dad8917468 R14: ffff88dad8917400 R15: ffff88db586c0000 [ 3635.248016] FS: 0000000000000000(0000) GS:ffff88db66280000(0000) knlGS:0000000000000000 [ 3635.248019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3635.248020] CR2: 00007ff2fe7f8ff8 CR3: 000000002220a005 CR4: 00000000003606e0
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1780628 Title: linux-4.15.0-23-generic RAID 5 kernel BUG Status in linux package in Ubuntu: Confirmed Status in linux source package in Bionic: Confirmed Bug description: 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. 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