[Bug 1929591] Re: MD RAID 6 Periodic Kernel Panic Stack Overflow Double-Fault
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: mdadm (Ubuntu) Status: New => Confirmed -- 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
[Bug 1929591] Re: MD RAID 6 Periodic Kernel Panic Stack Overflow Double-Fault
I am experiencing this crash on an AWS i3.metal instance using mdadm. There appear to be upstream patches for this issue: https://lore.kernel.org/linux- raid/caphsuw6v4-ujdzjopcyaftplqduw1bxx+sggxqwnbfmr3ue...@mail.gmail.com/T/ http://lkml.iu.edu/hypermail/linux/kernel/2107.1/04478.html -- 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
[Bug 1929591] Re: MD RAID 6 Periodic Kernel Panic Stack Overflow Double-Fault
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 +. 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 +. Up 43.48 seconds. [ 43.59] cloud-init[6294]: Cloud-init v. 21.2-3-g899bfaa9-0ubuntu2~20.10.1 finished at Thu, 17 Jun 2021 04:50:23 +. Datasource DataSourceNone. Up 43.55 seconds [ 43.98] 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 6cd7c52c (stack is b38fb7cf..d2b542d2) [470667.791418] kernel stack overflow (double-fault): [#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: 0018:9b13808b3ff8 EFLAGS: 00010246 [470667.791420] RAX: 8c43bd86d9c0 RBX: 8c459b407800 RCX: 0001 [470667.791420] RDX: 9b13808b4040 RSI: 9b13808b4038 RDI: 8c459b407800 [470667.791420] RBP: 9b13808b4028 R08: 0001 R09: ae641900 [470667.791421] R10: 8c43bd86d1e0 R11: 0001 R12: 9b13808b4038 [470667.791421] R13: 9b13808b4040 R14: 8c43bd86d9c0 R15: 8c4585ea1070 [470667.791421] FS: () GS:8c459edc() knlGS: [470667.791421] CS: 0010 DS: ES: CR0: 80050033 [470667.791422] CR2: 9b13808b3fe8 CR3: 0007948a8000 CR4: 00340ee0 [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] ?
[Bug 1929591] Re: MD RAID 6 Periodic Kernel Panic Stack Overflow Double-Fault
Hey so this is totally still happening on kernel 5.8.0-53. Just got this serial console capture: babylon login: [1457468.880947] BUG: stack guard page was hit at 7aef1a4a (stack is af9c61cd..7ccda653) [1457468.880948] kernel stack overflow (double-fault): [#1] SMP NOPTI [1457468.880948] CPU: 3 PID: 512 Comm: md0_raid6 Tainted: P OE 5.8.0-53-generic #60-Ubuntu [1457468.880949] Hardware name: Gigabyte Technology Co., Ltd. B550M AORUS PRO/B550M AORUS PRO, BIOS F13h 04/23/2021 [1457468.880949] RIP: 0010:slab_free_freelist_hook+0x35/0x120 [1457468.880950] 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 [1457468.880951] RSP: 0018:bcda805efff8 EFLAGS: 00010246 [1457468.880952] RAX: 9bfb8ccc42a0 RBX: 9bfcdb407800 RCX: 0001 [1457468.880952] RDX: bcda805f0040 RSI: bcda805f0038 RDI: 9bfcdb407800 [1457468.880953] RBP: bcda805f0028 R08: 0001 R09: 90841600 [1457468.880953] R10: 9bfb8ccc4f40 R11: 0001 R12: bcda805f0038 [1457468.880953] R13: bcda805f0040 R14: 9bfb8ccc42a0 R15: 9bf766967940 [1457468.880954] FS: () GS:9bfcdeac() knlGS: [1457468.880954] CS: 0010 DS: ES: CR0: 80050033 [1457468.880955] CR2: bcda805effe8 CR3: 0003a65ee000 CR4: 00340ee0 [1457468.880955] Call Trace: [1457468.880955] ? mempool_kfree+0xe/0x10 [1457468.880956] ? kfree+0xb8/0x220 [1457468.880956] ? mempool_kfree+0xe/0x10 [1457468.880956] ? mempool_free+0x2f/0x80 [1457468.880956] ? md_end_io+0x4b/0x70 [1457468.880957] ? bio_endio+0xe6/0x150 [1457468.880957] ? bio_chain_endio+0x2d/0x40 [1457468.880957] ? md_end_io+0x5d/0x70 [1457468.880958] ? bio_endio+0xe6/0x150 [1457468.880958] ? bio_chain_endio+0x2d/0x40 [1457468.880958] ? md_end_io+0x5d/0x70 [1457468.880959] ? bio_endio+0xe6/0x150 [1457468.880959] ? bio_chain_endio+0x2d/0x40 [1457468.880959] ? md_end_io+0x5d/0x70 [1457468.880959] ? bio_endio+0xe6/0x150 [1457468.880960] ? bio_chain_endio+0x2d/0x40 [1457468.880960] ? md_end_io+0x5d/0x70 [1457468.880960] ? bio_endio+0xe6/0x150 [1457468.880960] ? bio_chain_endio+0x2d/0x40 [1457468.880961] ? md_end_io+0x5d/0x70 [1457468.880961] ? bio_endio+0xe6/0x150 [1457468.880961] ? bio_chain_endio+0x2d/0x40 [1457468.880962] ? md_end_io+0x5d/0x70 [1457468.880962] ? bio_endio+0xe6/0x150 [1457468.880962] ? bio_chain_endio+0x2d/0x40 [1457468.880962] ? md_end_io+0x5d/0x70 [1457468.880963] ? bio_endio+0xe6/0x150 [1457468.880963] ? bio_chain_endio+0x2d/0x40 [1457468.880963] ? md_end_io+0x5d/0x70 [1457468.880963] ? bio_endio+0xe6/0x150 [1457468.880964] ? bio_chain_endio+0x2d/0x40 [1457468.880964] ? md_end_io+0x5d/0x70 [1457468.880964] ? bio_endio+0xe6/0x150 [1457468.880965] ? bio_chain_endio+0x2d/0x40 [1457468.880965] ? md_end_io+0x5d/0x70 [1457468.880965] ? bio_endio+0xe6/0x150 [1457468.880965] ? bio_chain_endio+0x2d/0x40 [1457468.880966] ? md_end_io+0x5d/0x70 [1457468.880966] ? bio_endio+0xe6/0x150 [1457468.880966] ? bio_chain_endio+0x2d/0x40 [1457468.880966] ? md_end_io+0x5d/0x70 [1457468.880967] ? bio_endio+0xe6/0x150 [1457468.880967] ? bio_chain_endio+0x2d/0x40 [1457468.880967] ? md_end_io+0x5d/0x70 [1457468.880968] ? bio_endio+0xe6/0x150 [1457468.880968] ? bio_chain_endio+0x2d/0x40 [1457468.880968] ? md_end_io+0x5d/0x70 [1457468.880968] ? bio_endio+0xe6/0x150 [1457468.880969] ? bio_chain_endio+0x2d/0x40 [1457468.880969] ? md_end_io+0x5d/0x70 [1457468.880969] ? bio_endio+0xe6/0x150 [1457468.880969] ? bio_chain_endio+0x2d/0x40 [1457468.880970] ? md_end_io+0x5d/0x70 [1457468.880970] ? bio_endio+0xe6/0x150 [1457468.880970] ? bio_chain_endio+0x2d/0x40 [1457468.880971] ? md_end_io+0x5d/0x70 [1457468.880971] ? bio_endio+0xe6/0x150 [1457468.880971] ? bio_chain_endio+0x2d/0x40 [1457468.880971] ? md_end_io+0x5d/0x70 [1457468.880972] ? bio_endio+0xe6/0x150 [1457468.880972] ? bio_chain_endio+0x2d/0x40 [1457468.880972] ? md_end_io+0x5d/0x70 [1457468.880972] ? bio_endio+0xe6/0x150 [1457468.880973] ? bio_chain_endio+0x2d/0x40 [1457468.880973] ? md_end_io+0x5d/0x70 [1457468.880973] ? bio_endio+0xe6/0x150 [1457468.880973] ? bio_chain_endio+0x2d/0x40 [1457468.880974] ? md_end_io+0x5d/0x70 [1457468.880974] ? bio_endio+0xe6/0x150 [1457468.880974] ? bio_chain_endio+0x2d/0x40 [1457468.880975] ? md_end_io+0x5d/0x70 [1457468.880975] ? bio_endio+0xe6/0x150 [1457468.880975] ? bio_chain_endio+0x2d/0x40 [1457468.880975] ? md_end_io+0x5d/0x70 [1457468.880976] ? bio_endio+0xe6/0x150 [1457468.880976] ? bio_chain_endio+0x2d/0x40 [1457468.880976] ? md_end_io+0x5d/0x70 [1457468.880976] ? bio_endio+0xe6/0x150 [1457468.880977] ? bio_chain_endio+0x2d/0x40 [1457468.880977] ? md_end_io+0x5d/0x70 [1457468.880977] ? bio_endio+0xe6/0x150
