Another one today on 5.8.0-55: [ OK ] Started Hostname Service. [ OK ] Started User Login Management. [ OK ] Started Docker Application Container Engine.
Ubuntu 20.10 babylon ttyS0 babylon login: [ 43.284962] cloud-init[6278]: Cloud-init v. 21.2-3-g899bfaa9-0ubuntu2~20.10.1 running 'modules:config' at Thu, 17 Jun 2021 04:50:23 +0000. Up 43.23 seconds. [ 43.555449] cloud-init[6294]: Cloud-init v. 21.2-3-g899bfaa9-0ubuntu2~20.10.1 running 'modules:final' at Thu, 17 Jun 2021 04:50:23 +0000. Up 43.48 seconds. [ 43.555559] cloud-init[6294]: Cloud-init v. 21.2-3-g899bfaa9-0ubuntu2~20.10.1 finished at Thu, 17 Jun 2021 04:50:23 +0000. Datasource DataSourceNone. Up 43.55 seconds [ 43.555598] cloud-init[6294]: 2021-06-17 04:50:23,906 - cc_final_message.py[WARNING]: Used fallback datasource [470667.791418] BUG: stack guard page was hit at 000000006cd7c52c (stack is 00000000b38fb7cf..00000000d2b542d2) [470667.791418] kernel stack overflow (double-fault): 0000 [#1] SMP NOPTI [470667.791418] CPU: 15 PID: 514 Comm: md0_raid6 Tainted: P OE 5.8.0-55-generic #62-Ubuntu [470667.791419] Hardware name: Gigabyte Technology Co., Ltd. B550M AORUS PRO/B550M AORUS PRO, BIOS F13h 04/23/2021 [470667.791419] RIP: 0010:slab_free_freelist_hook+0x35/0x120 [470667.791419] Code: 89 d5 41 54 49 89 f4 53 48 89 fb 48 83 ec 08 48 8b 02 4c 8b 36 48 c7 06 00 00 00 00 48 c7 02 00 00 00 00 48 85 c0 49 0f 44 c6 <48> 89 45 d0 eb 06 4c 3b 7d d0 74 5d 8b 53 20 4d 89 f7 49 8d 34 16 [470667.791419] RSP: 0018:ffff9b13808b3ff8 EFLAGS: 00010246 [470667.791420] RAX: ffff8c43bd86d9c0 RBX: ffff8c459b407800 RCX: 0000000000000001 [470667.791420] RDX: ffff9b13808b4040 RSI: ffff9b13808b4038 RDI: ffff8c459b407800 [470667.791420] RBP: ffff9b13808b4028 R08: 0000000000000001 R09: ffffffffae641900 [470667.791421] R10: ffff8c43bd86d1e0 R11: 0000000000000001 R12: ffff9b13808b4038 [470667.791421] R13: ffff9b13808b4040 R14: ffff8c43bd86d9c0 R15: ffff8c4585ea1070 [470667.791421] FS: 0000000000000000(0000) GS:ffff8c459edc0000(0000) knlGS:0000000000000000 [470667.791421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [470667.791422] CR2: ffff9b13808b3fe8 CR3: 00000007948a8000 CR4: 0000000000340ee0 [470667.791422] Call Trace: [470667.791422] ? mempool_kfree+0xe/0x10 [470667.791422] ? kfree+0xb8/0x220 [470667.791422] ? mempool_kfree+0xe/0x10 [470667.791422] ? mempool_free+0x2f/0x80 [470667.791422] ? md_end_io+0x4b/0x70 [470667.791423] ? bio_endio+0xe6/0x150 [470667.791423] ? bio_chain_endio+0x2d/0x40 [470667.791423] ? md_end_io+0x5d/0x70 [470667.791423] ? bio_endio+0xe6/0x150 [470667.791423] ? bio_chain_endio+0x2d/0x40 [470667.791423] ? md_end_io+0x5d/0x70 [470667.791423] ? bio_endio+0xe6/0x150 [470667.791424] ? bio_chain_endio+0x2d/0x40 [470667.791424] ? md_end_io+0x5d/0x70 [470667.791424] ? bio_endio+0xe6/0x150 [470667.791424] ? bio_chain_endio+0x2d/0x40 [470667.791424] ? md_end_io+0x5d/0x70 [470667.791424] ? bio_endio+0xe6/0x150 [470667.791424] ? bio_chain_endio+0x2d/0x40 [470667.791424] ? md_end_io+0x5d/0x70 [470667.791425] ? bio_endio+0xe6/0x150 [470667.791425] ? bio_chain_endio+0x2d/0x40 [470667.791425] ? md_end_io+0x5d/0x70 [470667.791425] ? bio_endio+0xe6/0x150 [470667.791425] ? bio_chain_endio+0x2d/0x40 [470667.791425] ? md_end_io+0x5d/0x70 [470667.791425] ? bio_endio+0xe6/0x150 [470667.791425] ? bio_chain_endio+0x2d/0x40 [470667.791426] ? md_end_io+0x5d/0x70 [470667.791426] ? bio_endio+0xe6/0x150 [470667.791426] ? bio_chain_endio+0x2d/0x40 [470667.791426] ? md_end_io+0x5d/0x70 [470667.791426] ? bio_endio+0xe6/0x150 [470667.791426] ? bio_chain_endio+0x2d/0x40 [470667.791426] ? md_end_io+0x5d/0x70 [470667.791427] ? bio_endio+0xe6/0x150 [470667.791427] ? bio_chain_endio+0x2d/0x40 [470667.791427] ? md_end_io+0x5d/0x70 [470667.791427] ? bio_endio+0xe6/0x150 [470667.791427] ? bio_chain_endio+0x2d/0x40 [470667.791427] ? md_end_io+0x5d/0x70 [470667.791427] ? bio_endio+0xe6/0x150 [470667.791427] ? bio_chain_endio+0x2d/0x40 [470667.791428] ? md_end_io+0x5d/0x70 [470667.791428] ? bio_endio+0xe6/0x150 [470667.791428] ? bio_chain_endio+0x2d/0x40 [470667.791428] ? md_end_io+0x5d/0x70 [470667.791428] ? bio_endio+0xe6/0x150 [470667.791428] ? bio_chain_endio+0x2d/0x40 [470667.791428] ? md_end_io+0x5d/0x70 [470667.791429] ? bio_endio+0xe6/0x150 [470667.791429] ? bio_chain_endio+0x2d/0x40 [470667.791429] ? md_end_io+0x5d/0x70 [470667.791429] ? bio_endio+0xe6/0x150 [470667.791429] ? bio_chain_endio+0x2d/0x40 [470667.791429] ? md_end_io+0x5d/0x70 [470667.791429] ? bio_endio+0xe6/0x150 [470667.791429] ? bio_chain_endio+0x2d/0x40 [470667.791430] ? md_end_io+0x5d/0x70 [470667.791430] ? bio_endio+0xe6/0x150 [470667.791430] ? bio_chain_endio+0x2d/0x40 [470667.791430] ? md_end_io+0x5d/0x70 [470667.791430] ? bio_endio+0xe6/0x150 [470667.791430] ? bio_chain_endio+0x2d/0x40 [470667.791430] ? md_end_io+0x5d/0x70 [470667.791430] ? bio_endio+0xe6/0x150 [470667.791431] ? bio_chain_endio+0x2d/0x40 [470667.791431] ? md_end_io+0x5d/0x70 [470667.791431] ? bio_endio+0xe6/0x150 [470667.791431] ? bio_chain_endio+0x2d/0x40 [470667.791431] ? md_end_io+0x5d/0x70 [470667.791431] ? bio_endio+0xe6/0x150 [470667.791431] ? bio_chain_endio+0x2d/0x40 [470667.791432] ? md_end_io+0x5d/0x70 [470667.791432] ? bio_endio+0xe6/0x150 [470667.791432] ? bio_chain_endio+0x2d/0x40 [470667.791432] ? md_end_io+0x5d/0x70 [470667.791432] ? bio_endio+0xe6/0x150 [470667.791432] ? bio_chain_endio+0x2d/0x40 [470667.791432] ? md_end_io+0x5d/0x70 [470667.791432] ? bio_endio+0xe6/0x150 [470667.791433] ? bio_chain_endio+0x2d/0x40 [470667.791433] ? md_end_io+0x5d/0x70 [470667.791433] ? bio_endio+0xe6/0x150 [470667.791433] ? bio_chain_endio+0x2d/0x40 [470667.791433] ? md_end_io+0x5d/0x70 [470667.791433] ? bio_endio+0xe6/0x150 [470667.791433] ? bio_chain_endio+0x2d/0x40 [470667.791433] ? md_end_io+0x5d/0x70 [470667.791434] ? bio_endio+0xe6/0x150 [470667.791434] ? bio_chain_endio+0x2d/0x40 [470667.791434] ? md_end_io+0x5d/0x70 [470667.791434] ? bio_endio+0xe6/0x150 [470667.791434] ? bio_chain_endio+0x2d/0x40 [470667.791434] ? md_end_io+0x5d/0x70 [470667.791434] ? bio_endio+0xe6/0x150 [470667.791435] ? bio_chain_endio+0x2d/0x40 [470667.791435] ? md_end_io+0x5d/0x70 [470667.791435] ? bio_endio+0xe6/0x150 [470667.791435] ? bio_chain_endio+0x2d/0x40 [470667.791435] ? md_end_io+0x5d/0x70 [470667.791435] ? bio_endio+0xe6/0x150 [470667.791435] ? bio_chain_endio+0x2d/0x40 [470667.791435] ? md_end_io+0x5d/0x70 [470667.791436] ? bio_endio+0xe6/0x150 [470667.791436] ? bio_chain_endio+0x2d/0x40 [470667.791436] ? md_end_io+0x5d/0x70 [470667.791436] ? bio_endio+0xe6/0x150 [470667.791436] ? bio_chain_endio+0x2d/0x40 [470667.791436] ? md_end_io+0x5d/0x70 [470667.791436] ? bio_endio+0xe6/0x150 [470667.791437] ? bio_chain_endio+0x2d/0x40 [470667.791437] ? md_end_io+0x5d/0x70 [470667.791437] ? bio_endio+0xe6/0x150 [470667.791437] ? bio_chain_endio+0x2d/0x40 [470667.791437] ? md_end_io+0x5d/0x70 [470667.791437] ? bio_endio+0xe6/0x150 [470667.791437] ? bio_chain_endio+0x2d/0x40 [470667.791437] ? md_end_io+0x5d/0x70 [470667.791438] ? bio_endio+0xe6/0x150 [470667.791438] ? bio_chain_endio+0x2d/0x40 [470667.791438] ? md_end_io+0x5d/0x70 [470667.791438] ? bio_endio+0xe6/0x150 [470667.791438] ? bio_chain_endio+0x2d/0x40 [470667.791438] ? md_end_io+0x5d/0x70 [470667.791438] ? bio_endio+0xe6/0x150 [470667.791438] ? bio_chain_endio+0x2d/0x40 [470667.791439] ? md_end_io+0x5d/0x70 [470667.791439] ? bio_endio+0xe6/0x150 [470667.791439] ? bio_chain_endio+0x2d/0x40 [470667.791439] ? md_end_io+0x5d/0x70 [470667.791439] ? bio_endio+0xe6/0x150 [470667.791439] ? bio_chain_endio+0x2d/0x40 [470667.791439] ? md_end_io+0x5d/0x70 [470667.791440] ? bio_endio+0xe6/0x150 [470667.791440] ? bio_chain_endio+0x2d/0x40 [470667.791440] ? md_end_io+0x5d/0x70 [470667.791440] ? bio_endio+0xe6/0x150 [470667.791440] ? bio_chain_endio+0x2d/0x40 [470667.791440] ? md_end_io+0x5d/0x70 [470667.791440] ? bio_endio+0xe6/0x150 [470667.791440] ? bio_chain_endio+0x2d/0x40 [470667.791441] ? md_end_io+0x5d/0x70 [470667.791441] ? bio_endio+0xe6/0x150 [470667.791441] ? bio_chain_endio+0x2d/0x40 [470667.791441] ? md_end_io+0x5d/0x70 [470667.791441] ? bio_endio+0xe6/0x150 [470667.791441] ? bio_chain_endio+0x2d/0x40 [470667.791441] ? md_end_io+0x5d/0x70 [470667.791441] ? bio_endio+0xe6/0x150 [470667.791442] ? bio_chain_endio+0x2d/0x40 [470667.791442] ? md_end_io+0x5d/0x70 [470667.791442] ? bio_endio+0xe6/0x150 [470667.791442] ? bio_chain_endio+0x2d/0x40 [470667.791442] ? md_end_io+0x5d/0x70 [470667.791442] ? bio_endio+0xe6/0x150 [470667.791442] ? bio_chain_endio+0x2d/0x40 [470667.791443] ? md_end_io+0x5d/0x70 [470667.791443] ? bio_endio+0xe6/0x150 [470667.791443] ? bio_chain_endio+0x2d/0x40 [470667.791443] ? md_end_io+0x5d/0x70 [470667.791443] ? bio_endio+0xe6/0x150 [470667.791443] ? bio_chain_endio+0x2d/0x40 [470667.791443] ? md_end_io+0x5d/0x70 [470667.791443] ? bio_endio+0xe6/0x150 [470667.791444] ? bio_chain_endio+0x2d/0x40 [470667.791444] ? md_end_io+0x5d/0x70 [470667.791444] ? bio_endio+0xe6/0x150 [470667.791444] ? bio_chain_endio+0x2d/0x40 [470667.791444] ? md_end_io+0x5d/0x70 [470667.791444] ? bio_endio+0xe6/0x150 [470667.791444] ? bio_chain_endio+0x2d/0x40 [470667.791444] ? md_end_io+0x5d/0x70 [470667.791445] ? bio_endio+0xe6/0x150 [470667.791445] ? bio_chain_endio+0x2d/0x40 [470667.791445] ? md_end_io+0x5d/0x70 [470667.791445] ? bio_endio+0xe6/0x150 [470667.791445] ? bio_chain_endio+0x2d/0x40 [470667.791445] ? md_end_io+0x5d/0x70 [470667.791445] ? bio_endio+0xe6/0x150 [470667.791446] ? bio_chain_endio+0x2d/0x40 [470667.791446] ? md_end_io+0x5d/0x70 [470667.791446] ? bio_endio+0xe6/0x150 [470667.791446] ? bio_chain_endio+0x2d/0x40 [470667.791446] ? md_end_io+0x5d/0x70 [470667.791446] ? bio_endio+0xe6/0x150 [470667.791446] ? bio_chain_endio+0x2d/0x40 [470667.791446] ? md_end_io+0x5d/0x70 [470667.791447] ? bio_endio+0xe6/0x150 [470667.791447] ? bio_chain_endio+0x2d/0x40 [470667.791447] ? md_end_io+0x5d/0x70 [470667.791447] ? bio_endio+0xe6/0x150 [470667.791447] ? bio_chain_endio+0x2d/0x40 [470667.791447] ? md_end_io+0x5d/0x70 [470667.791447] ? bio_endio+0xe6/0x150 [470667.791448] ? bio_chain_endio+0x2d/0x40 [470667.791448] ? md_end_io+0x5d/0x70 [470667.791448] ? bio_endio+0xe6/0x150 [470667.791448] ? bio_chain_endio+0x2d/0x40 [470667.791448] ? md_end_io+0x5d/0x70 [470667.791448] ? bio_endio+0xe6/0x150 [470667.791448] ? bio_chain_endio+0x2d/0x40 [470667.791448] ? md_end_io+0x5d/0x70 [470667.791449] ? bio_endio+0xe6/0x150 [470667.791449] ? bio_chain_endio+0x2d/0x40 [470667.791449] ? md_end_io+0x5d/0x70 [470667.791449] ? bio_endio+0xe6/0x150 [470667.791449] ? bio_chain_endio+0x2d/0x40 [470667.791449] ? md_end_io+0x5d/0x70 [470667.791449] ? bio_endio+0xe6/0x150 [470667.791449] ? bio_chain_endio+0x2d/0x40 [470667.791450] ? md_end_io+0x5d/0x70 [470667.791450] ? bio_endio+0xe6/0x150 [470667.791450] ? bio_chain_endio+0x2d/0x40 [470667.791450] ? md_end_io+0x5d/0x70 [470667.791450] ? bio_endio+0xe6/0x150 [470667.791450] ? bio_chain_endio+0x2d/0x40 [470667.791450] ? md_end_io+0x5d/0x70 [470667.791451] ? bio_endio+0xe6/0x150 [470667.791451] ? bio_chain_endio+0x2d/0x40 [470667.791451] ? md_end_io+0x5d/0x70 [470667.791451] ? bio_endio+0xe6/0x150 [470667.791451] ? bio_chain_endio+0x2d/0x40 [470667.791451] ? md_end_io+0x5d/0x70 [470667.791451] ? bio_endio+0xe6/0x150 [470667.791451] ? bio_chain_endio+0x2d/0x40 [470667.791452] ? md_end_io+0x5d/0x70 [470667.791452] ? bio_endio+0xe6/0x150 [470667.791452] ? bio_chain_endio+0x2d/0x40 [470667.791452] ? md_end_io+0x5d/0x70 [470667.791452] ? bio_endio+0xe6/0x150 [470667.791452] ? bio_chain_endio+0x2d/0x40 [470667.791452] ? md_end_io+0x5d/0x70 [470667.791452] ? bio_endio+0xe6/0x150 [470667.791453] ? bio_chain_endio+0x2d/0x40 [470667.791453] ? md_end_io+0x5d/0x70 [470667.791453] ? bio_endio+0xe6/0x150 [470667.791453] ? bio_chain_endio+0x2d/0x40 [470667.791453] ? md_end_io+0x5d/0x70 [470667.791453] ? bio_endio+0xe6/0x150 [470667.791453] ? bio_chain_endio+0x2d/0x40 [470667.791454] ? md_end_io+0x5d/0x70 [470667.791454] ? bio_endio+0xe6/0x150 [470667.791454] ? bio_chain_endio+0x2d/0x40 [470667.791454] ? md_end_io+0x5d/0x70 [470667.791454] ? bio_endio+0xe6/0x150 [470667.791454] ? bio_chain_endio+0x2d/0x40 [470667.791454] ? md_end_io+0x5d/0x70 [470667.791454] ? bio_endio+0xe6/0x150 [470667.791455] ? bio_chain_endio+0x2d/0x40 [470667.791455] ? md_end_io+0x5d/0x70 [470667.791455] ? bio_endio+0xe6/0x150 [470667.791455] ? bio_chain_endio+0x2d/0x40 [470667.791455] ? md_end_io+0x5d/0x70 [470667.791455] ? bio_endio+0xe6/0x150 [470667.791455] ? bio_chain_endio+0x2d/0x40 [470667.791455] ? md_end_io+0x5d/0x70 [470667.791456] ? bio_endio+0xe6/0x150 [470667.791456] ? bio_chain_endio+0x2d/0x40 [470667.791456] ? md_end_io+0x5d/0x70 [470667.791456] ? bio_endio+0xe6/0x150 [470667.791456] ? bio_chain_endio+0x2d/0x40 [470667.791456] ? md_end_io+0x5d/0x70 [470667.791456] ? bio_endio+0xe6/0x150 [470667.791457] ? bio_chain_endio+0x2d/0x40 [470667.791457] ? md_end_io+0x5d/0x70 [470667.791457] ? bio_endio+0xe6/0x150 [470667.791457] ? bio_chain_endio+0x2d/0x40 [470667.791457] ? md_end_io+0x5d/0x70 [470667.791457] ? bio_endio+0xe6/0x150 [470667.791457] ? bio_chain_endio+0x2d/0x40 [470667.791457] ? md_end_io+0x5d/0x70 [470667.791458] ? bio_endio+0xe6/0x150 [470667.791458] ? bio_chain_endio+0x2d/0x40 [470667.791458] ? md_end_io+0x5d/0x70 [470667.791458] ? bio_endio+0xe6/0x150 [470667.791458] ? b [470667.791459] Lost 306 message(s)! [ 0.000000] Linux version 5.8.0-55-generic (buildd@lgw01-amd64-035) (gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0, GNU ld (GNU Binutils for Ubuntu) 2.35.1) #62-Ubuntu SMP Tue Jun 1 08:21:18 UTC 2021 (Ubuntu 5.8.0-55.62-generic 5.8.18) [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.8.0-55-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro console=tty1 console=ttyS0,115200 processor.max_cstate=5 rcu_nocbs=0-15 [ 0.000000] KERNEL supported cpus: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929591 Title: MD RAID 6 Periodic Kernel Panic Stack Overflow Double-Fault To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1929591/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
