On Sun, Mar 22, 2020 at 09:58:28PM -0400, Sasha Levin wrote:
On Sun, Mar 22, 2020 at 11:50:11PM -0000, CKI Project wrote:
Hello,
We ran automated tests on a recent commit from this kernel tree:
Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Commit: 6df57ed14ddf - Revert "drm/fbdev: Fallback to non tiled mode if all tiles not present"The results of these automated tests are provided below.
Overall result: FAILED (see details below) Merge: OK Compile: OK Tests: PANICKED
All kernel binaries, config files, and logs are available for download here:
https://cki-artifacts.s3.us-east-2.amazonaws.com/index.html?prefix=datawareh...
One or more kernel tests failed:
ppc64le: ❌ LTP
aarch64: ❌ Boot test
x86_64: 💥 xfstests - ext4
So I go in the xfstests___ext4/ directory to see what paniced, right? I don't see panics in those logs...
It's in the x86_64_3_console.log
[ 247.623251] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 247.631021] #PF: supervisor write access in kernel mode [ 247.636848] #PF: error_code(0x0002) - not-present page [ 247.642579] PGD 0 P4D 0 [ 247.645402] Oops: 0002 [#1] SMP PTI [ 247.649292] CPU: 2 PID: 1897 Comm: kworker/2:40 Tainted: G I 5.5.11-6df57ed.cki #1 [ 247.659192] Hardware name: IBM System x3250 M4 -[2583ECU]-/00D3729, BIOS -[JQE168BUS-1.09]- 09/17/2014 [ 247.669580] Workqueue: cgroup_destroy css_killed_work_fn [ 247.675506] RIP: 0010:bfq_bfqq_move+0x21/0x160 [ 247.680462] Code: c0 c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 41 55 41 54 49 89 fc 55 48 89 f5 53 48 89 d3 48 39 b7 a0 00 00 00 0f 84 22 01 00 00 <83> 45 00 01 48 89 ef e8 a3 87 ff ff 85 c0 0f 85 d7 00 00 00 80 bd [ 247.701415] RSP: 0018:ffffb61340e87db0 EFLAGS: 00010086 [ 247.707242] RAX: 0000000000000000 RBX: ffff99d9b1dd8000 RCX: 0000000000000000 [ 247.715202] RDX: ffff99d9b1dd8000 RSI: 0000000000000000 RDI: ffff99d9b1dda000 [ 247.723161] RBP: 0000000000000000 R08: 000000003b9aca00 R09: ffff99d9b1d87300 [ 247.731123] R10: 0000000000000000 R11: ffff99d9b1d87300 R12: ffff99d9b1dda000 [ 247.739083] R13: ffff99d98492d1b0 R14: ffff99d9b1dda3f0 R15: ffff99d98492d098 [ 247.747044] FS: 0000000000000000(0000) GS:ffff99d9b7c80000(0000) knlGS:0000000000000000 [ 247.756073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.762481] CR2: 0000000000000000 CR3: 000000023060a005 CR4: 00000000001606e0 [ 247.770441] Call Trace: [ 247.773170] bfq_pd_offline+0x87/0xf0 [ 247.777254] blkg_destroy+0x52/0xf0 [ 247.781143] blkcg_destroy_blkgs+0x4f/0xa0 [ 247.785710] css_killed_work_fn+0x4d/0xd0 [ 247.790181] process_one_work+0x1b5/0x360 [ 247.794651] worker_thread+0x50/0x3c0 [ 247.798733] kthread+0xf9/0x130 [ 247.802234] ? process_one_work+0x360/0x360 [ 247.806899] ? kthread_park+0x90/0x90 [ 247.810983] ret_from_fork+0x35/0x40
-- Thanks, Sasha