This is definitely still happening with 5.15.3-rc3

On Tue, Nov 16, 2021 at 6:44 AM Bruno Goncalves bgoncalv@redhat.com wrote:

Hello,

We've started to see the issue below when booting on x86_64 on recent kernel builds from linux-stable-rc. More logs can be found on [1] and cki tracker issue [2].

[ 24.006329] zram: Added device: zram0 [ 25.075694] systemd[1]: /usr/lib/systemd/system/restraintd.service:8: Standard output type syslog+console is obsolete, automatically updating to journal+console. Please update your unit file, and consider removing the setting altogether. [ 25.342129] BUG: unable to handle page fault for address: ffffb57143fb7de0 [ 25.376757] #PF: supervisor read access in kernel mode [ 25.402135] #PF: error_code(0x0000) - not-present page [ 25.426507] PGD 100000067 P4D 100000067 PUD 1001e2067 PMD 31b1c3067 PTE 0 [ 25.461485] Oops: 0000 [#1] SMP PTI [ 25.477997] CPU: 4 PID: 1 Comm: systemd Tainted: G I 5.15.2 #1 [ 25.512982] Hardware name: HP ProLiant SL390s G7/, BIOS P69 07/02/2013 [ 25.548041] RIP: 0010:__unwind_start+0x10b/0x1e0 [ 25.570958] Code: af fb ff 85 c0 75 d2 eb c0 65 48 8b 04 25 c0 bb 01 00 48 39 c6 0f 84 86 00 00 00 48 8b 86 98 23 00 00 48 8d 78 38 48 89 7d 38 <48> 8b 50 28 48 89 55 40 48 8b 40 30 48 89 45 48 48 3d 80 43 00 81 [ 25.668824] RSP: 0018:ffffb5714313bc18 EFLAGS: 00010083 [ 25.695397] RAX: ffffb57143fb7db8 RBX: ffffb57143fb7db8 RCX: 0000000000000000 [ 25.733090] RDX: 0000000000000000 RSI: ffff924d03534d00 RDI: ffffb57143fb7df0 [ 25.769626] RBP: ffffb5714313bc38 R08: 0000000000000040 R09: 0000000000001000 [ 25.808015] R10: 8000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.841524] R13: ffff924d03535974 R14: 0000000000000155 R15: 0000000000000001 [ 25.878031] FS: 00007f49ec409340(0000) GS:ffff924f0ba80000(0000) knlGS:0000000000000000 [ 25.916770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.946918] CR2: ffffb57143fb7de0 CR3: 00000001039ae005 CR4: 00000000000206e0 [ 25.988907] Call Trace: [ 26.001096] <TASK> [ 26.013087] __get_wchan+0x35/0x80 [ 26.031979] get_wchan+0x65/0x80 [ 26.047218] do_task_stat+0xcd9/0xde0 [ 26.064584] proc_single_show+0x4d/0xb0 [ 26.083925] seq_read_iter+0x120/0x4b0 [ 26.103266] seq_read+0xed/0x120 [ 26.118507] ? security_inode_notifysecctx+0x30/0x50 [ 26.142094] vfs_read+0x95/0x190 [ 26.158829] ksys_read+0x4f/0xc0 [ 26.175927] do_syscall_64+0x3b/0x90 [ 26.194142] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 26.220169] RIP: 0033:0x7f49ecf992e2 [ 26.239468] Code: c0 e9 b2 fe ff ff 50 48 8d 3d ea 2e 0a 00 e8 95 e9 01 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24 [ 26.336968] RSP: 002b:00007ffc3fedf998 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 26.376294] RAX: ffffffffffffffda RBX: 000055fd5a6a1f30 RCX: 00007f49ecf992e2 [ 26.410402] RDX: 0000000000000400 RSI: 000055fd5a7f2e90 RDI: 0000000000000010 [ 26.447213] RBP: 00007f49ed06d300 R08: 0000000000000010 R09: 0000000000000001 [ 26.481089] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f49ec4090f8 [ 26.517502] R13: 0000000000000d68 R14: 00007f49ed06c700 R15: 0000000000000d68 [ 26.551484] </TASK> [ 26.561812] Modules linked in: zram ip_tables xfs radeon i2c_algo_bit drm_ttm_helper ttm drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec ata_generic ghash_clmulni_intel serio_raw drm pata_acpi hpwdt [ 26.657383] CR2: ffffb57143fb7de0 [ 26.673063] ---[ end trace d486977d124663a0 ]---

[1] https://datawarehouse.cki-project.org/kcidb/tests/1872788 [2] https://datawarehouse.cki-project.org/issue/747

Thanks, Bruno