https://bugzilla.suse.com/show_bug.cgi?id=1173860 https://bugzilla.suse.com/show_bug.cgi?id=1173860#c39 --- Comment #39 from Jeff Mahoney <jeffm@suse.com> --- (In reply to Martin Tessun from comment #34)

(In reply to Takashi Iwai from comment #30)

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(In reply to Takashi Iwai from comment #29)

...

Now I'm building yet another kernel with the corrected patch in OBS home:tiwai:bsc1173860-2 repo. It'll appear later at http://download.opensuse.org/repositories/home:tiwai:bsc1173860-2/standard

Correction, it should be

http://download.opensuse.org/repositories/home:/tiwai:/bsc1173860-2/standard

This one has the same issue: localhost login: [ 58.681608] BUG: kernel NULL pointer dereference, address: 0000000000000370 [ 58.683771] #PF: supervisor read access in kernel mode [ 58.685091] #PF: error_code(0x0000) - not-present page [ 58.686422] PGD 0 P4D 0 [ 58.687101] Oops: 0000 [#1] SMP NOPTI [ 58.688107] CPU: 1 PID: 7602 Comm: lvcreate Kdump: loaded Not tainted 5.3.18-1.g9d973b5-default #1 SLE15-SP2 (unreleased) [ 58.691188] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 [ 58.693310] RIP: 0010:md_io_acct+0x2a/0xf0 [md_mod] [ 58.694692] Code: 0f 1f 44 00 00 89 f0 b9 02 00 00 00 83 e0 01 40 80 fe 03 0f 44 c1 48 8b 4f 48 48 98 65 8b 35 cd 64 36 3f 48 63 f6 48 c1 e0 03 <48> 8b 89 70 03 00 00 48 03 0c f5 80 a9 18 b0 48 83 44 08 30 01 48 [ 58.699986] RSP: 0018:ffffab5c4041f700 EFLAGS: 00010246 [ 58.701489] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.703390] RDX: 0000000000000008 RSI: 0000000000000001 RDI: ffff9e9c6581c058 [ 58.705271] RBP: ffff9e9c6581c998 R08: ffff9e9c7bb310e0 R09: 0000000000000000 [ 58.707295] R10: 0000000000013f80 R11: ffff9e9c65baa180 R12: ffff9e9c79923f00 [ 58.709193] R13: ffff9e9c79923f00 R14: ffff9e9c77adb1b0 R15: ffff9e9c6581c058 [ 58.711029] FS: 00007f3106df9880(0000) GS:ffff9e9c7bb00000(0000) knlGS:0000000000000000 [ 58.712949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.714326] CR2: 0000000000000370 CR3: 0000000165176000 CR4: 0000000000340ee0 [ 58.715999] Call Trace: [ 58.716614] raid1_read_request+0x503/0x9e0 [raid1] [ 58.717792] ? __switch_to_asm+0x40/0x70 [ 58.718739] ? __switch_to_asm+0x34/0x70 [ 58.719683] ? __switch_to_asm+0x40/0x70 [ 58.720636] ? __switch_to_asm+0x34/0x70 [ 58.721595] ? wait_woken+0x80/0x80 [ 58.722372] raid1_make_request+0x54/0x90 [raid1]

Do you have the rest of this trace? It shouldn't be possible for mddev->gendisk to be NULL on an opened device. -- You are receiving this mail because: You are on the CC list for the bug.