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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - list_del corruption on thinkpad x220, in kernel v4.20-rc1+"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109175#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - list_del corruption on thinkpad x220, in kernel v4.20-rc1+"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109175">bug 109175</a>
from <span class="vcard"><a class="email" href="mailto:zblabunk@gmail.com" title="zblabunk@gmail.com">zblabunk@gmail.com</a>
</span></b>
<pre>One of oopses:
<span class="quote">> > Nov 8 18:35:01 duo CRON[28511]: (root) CMD (command -v debian-sa1 >
> > /dev/null && debian-sa
> > 1 1 1)
> > Nov 8 18:42:57 duo kernel: list_del corruption. prev->next should be
> > ffff8801742b8178, but
> > was ffffc9000192fec8
> > Nov 8 18:42:57 duo kernel: ------------[ cut here ]------------
> > Nov 8 18:42:57 duo kernel: kernel BUG at
> > /data/fast/l/k/lib/list_debug.c:53!
> > Nov 8 18:42:57 duo kernel: invalid opcode: 0000 [#1] SMP PTI
> > Nov 8 18:42:57 duo kernel: CPU: 2 PID: 1082 Comm: i915/signal:1 Not
> > tainted 4.20.0-rc1+ #3
> > Nov 8 18:42:57 duo kernel: Hardware name: LENOVO 42872WU/42872WU,
> > BIOS 8DET74WW (1.44 ) 03
> > /13/2018
> > Nov 8 18:42:57 duo kernel: RIP:
> > 0010:__list_del_entry_valid+0x8e/0x90
> > Nov 8 18:42:57 duo kernel: Code: 66 88 d1 ff 0f 0b 48 89 fe 31 c0 48
> > c7 c7 90 74 5e 85 e8
> > 53 88 d1 ff 0f 0b 48 89 fe 31 c0 48 c7 c7 c8 74 5e 85 e8 40 88 d1 ff
> > <0f> 0b 55 48 89 d0 48
> > 8b 52 08 48 89 e5 48 39 f2 75 19 48 8b 32 48
> > Nov 8 18:42:57 duo kernel: RSP: 0000:ffffc9000196be78 EFLAGS:
> > 00210086
> > Nov 8 18:42:57 duo kernel: RAX: 0000000000000054 RBX:
> > ffff8801742b8178 RCX: 00000000000000
> > 00
> > Nov 8 18:42:57 duo kernel: RDX: 0000000000000000 RSI:
> > ffff88019e2a53d8 RDI: ffff88019e2a53
> > d8
> > Nov 8 18:42:57 duo kernel: RBP: ffffc9000196be78 R08:
> > ffff880196e2cd10 R09: 00000000000000
> > 00
> > Nov 8 18:42:57 duo kernel: R10: 00000000e7684eb9 R11:
> > 3863656632393101 R12: ffffc9000196be
> > c8
> > Nov 8 18:42:57 duo kernel: R13: ffff88019707e000 R14:
> > ffff8801742b8080 R15: ffffc9000192fd
> > d0
> > Nov 8 18:42:57 duo kernel: FS: 0000000000000000(0000)
> > GS:ffff88019e280000(0000) knlGS:000
> > 0000000000000
> > Nov 8 18:42:57 duo kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
> > 0000000080050033
> > Nov 8 18:42:57 duo kernel: CR2: 00000000ed2bf000 CR3:
> > 000000000581e001 CR4: 00000000000606a0
> > Nov 8 18:42:57 duo kernel: Call Trace:
> > Nov 8 18:42:57 duo kernel: intel_breadcrumbs_signaler+0x162/0x330
> > Nov 8 18:42:57 duo kernel: kthread+0x116/0x150
> > Nov 8 18:42:57 duo kernel: ? intel_engine_wakeup+0x40/0x40
> > Nov 8 18:42:57 duo kernel: ? kthread_park+0x90/0x90
> > Nov 8 18:42:57 duo kernel: ret_from_fork+0x35/0x40
> > Nov 8 18:42:57 duo kernel: Modules linked in:
> > Nov 8 18:42:57 duo kernel: ---[ end trace 2f8da183a56f80f6 ]---
> > Nov 8 18:42:57 duo kernel: RIP:
> > 0010:__list_del_entry_valid+0x8e/0x90
> > Nov 8 18:42:57 duo kernel: Code: 66 88 d1 ff 0f 0b 48 89 fe 31 c0
> > 48 c7 c7 90 74 5e 85 e8 53 88 d1 ff 0f 0b 48 89 fe 31 c0 48 c7 c7 c8
> > 74 5e 85 e8 40 88 d1 ff <0f> 0b 55 48 89 d0 48 8b 52 08 48 89 e5 48
> > 39 f2 75 19 48 8b 32 48
> > Nov 8 18:42:57 duo kernel: RSP: 0000:ffffc9000196be78 EFLAGS:
> > 00210086
> > Nov 8 18:42:57 duo kernel: RAX: 0000000000000054 RBX:
> > ffff8801742b8178 RCX: 0000000000000000
> > Nov 8 18:42:57 duo kernel: RDX: 0000000000000000 RSI:
> > ffff88019e2a53d8 RDI: ffff88019e2a53d8
> > Nov 8 18:42:57 duo kernel: RBP: ffffc9000196be78 R08:
> > ffff880196e2cd10 R09: 0000000000000000
> > Nov 8 18:42:57 duo kernel: R10: 00000000e7684eb9 R11:
> > 3863656632393101 R12: ffffc9000196bec8
> > Nov 8 18:42:57 duo kernel: R13: ffff88019707e000 R14:
> > ffff8801742b8080 R15: ffffc9000192fdd0
> > Nov 8 18:42:57 duo kernel: FS: 0000000000000000(0000)
> > GS:ffff88019e280000(0000) knlGS:0000000000000000
> > Nov 8 18:42:57 duo kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
> > 0000000080050033
> > Nov 8 18:42:57 duo kernel: CR2: 00000000ed2bf000 CR3:
> > 000000000581e001 CR4: 00000000000606a0
> > 0000000000000
> > Nov 8 18:42:57 duo kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
> > 0000000080050033
> > Nov 8 18:42:57 duo kernel: CR2: 00000000ed2bf000 CR3:
> > 000000000581e001 CR4: 00000000000606a0
> > Nov 8 18:42:57 duo kernel: Call Trace:
> > Nov 8 18:42:57 duo kernel: intel_breadcrumbs_signaler+0x162/0x330
> > Nov 8 18:42:57 duo kernel: kthread+0x116/0x150
> > Nov 8 18:42:57 duo kernel: ? intel_engine_wakeup+0x40/0x40
> > Nov 8 18:42:57 duo kernel: ? kthread_park+0x90/0x90
> > Nov 8 18:42:57 duo kernel: ret_from_fork+0x35/0x40
> > Nov 8 18:42:57 duo kernel: Modules linked in:
> > Nov 8 18:42:57 duo kernel: ---[ end trace 2f8da183a56f80f6 ]---
> > Nov 8 18:42:57 duo kernel: RIP:
> > 0010:__list_del_entry_valid+0x8e/0x90
> > Nov 8 18:42:57 duo kernel: Code: 66 88 d1 ff 0f 0b 48 89 fe 31 c0
> > 48 c7 c7 90 74 5e 85 e8 53 88 d1 ff 0f 0b 48 89 fe 31 c0 48 c7 c7 c8
> > 74 5e 85 e8 40 88 d1 ff <0f> 0b 55 48 89 d0 48 8b 52 08 48 89 e5 48
> > 39 f2 75 19 48 8b 32 48
> > Nov 8 18:42:57 duo kernel: RSP: 0000:ffffc9000196be78 EFLAGS:
> > 00210086
> > Nov 8 18:42:57 duo kernel: RAX: 0000000000000054 RBX:
> > ffff8801742b8178 RCX: 0000000000000000
> > Nov 8 18:42:57 duo kernel: RDX: 0000000000000000 RSI:
> > ffff88019e2a53d8 RDI: ffff88019e2a53d8
> > Nov 8 18:42:57 duo kernel: RBP: ffffc9000196be78 R08:
> > ffff880196e2cd10 R09: 0000000000000000
> > Nov 8 18:42:57 duo kernel: R10: 00000000e7684eb9 R11:
> > 3863656632393101 R12: ffffc9000196bec8
> > Nov 8 18:42:57 duo kernel: R13: ffff88019707e000 R14:
> > ffff8801742b8080 R15: ffffc9000192fdd0
> > Nov 8 18:42:57 duo kernel: FS: 0000000000000000(0000)
> > GS:ffff88019e280000(0000) knlGS:0000000000000000
> > Nov 8 18:42:57 duo kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
> > 0000000080050033
> > Nov 8 18:42:57 duo kernel: CR2: 00000000ed2bf000 CR3:
> > 000000000581e001 CR4: 00000000000606a0</span ></pre>
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