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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 204181] NULL pointer dereference regression in amdgpu
Date: Thu, 25 Jul 2019 15:42:40 +0000	[thread overview]
Message-ID: <bug-204181-2300-z770ljxRez@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-204181-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=204181

--- Comment #19 from Yann HN (accs@21xayah.com) ---
(In reply to Michel Dänzer from comment #18)
> (In reply to Yann HN from comment #17)
> > A friend suggested me to install some packages to enhance the GPU Support,
> > one of them was "xf86-video-amdgpu".
> > 
> > Seams like that package was responsible for the issues.
> > Removing it fixed the issue without any other (notable) effects.
> 
> Did you get the same amdgpu_dm_atomic_commit_tail => dc_commit_state =>
> dc_stream_log NULL pointer dereference as reported here?
> 
> If yes, this is a kernel driver bug, xf86-video-amdgpu just triggers it /
> the Xorg modesetting driver avoids it somehow.
> 
> If not, please file your own report at
> https://bugs.freedesktop.org/enter_bug.cgi?product=xorg&component=Driver/
> AMDgpu and attach the corresponding Xorg log file and output of dmesg.

Yes, i re installed the package and was able to reproduce the error pretty
fast, here the whole stack trace(package being the source of the issue
confirmed):

Jul 25 17:38:12 arch-workstation kernel: BUG: kernel NULL pointer dereference,
address: 00000000000002b4
Jul 25 17:38:12 arch-workstation kernel: #PF: supervisor read access in kernel
mode
Jul 25 17:38:12 arch-workstation kernel: #PF: error_code(0x0000) - not-present
page
Jul 25 17:38:12 arch-workstation kernel: PGD 0 P4D 0 
Jul 25 17:38:12 arch-workstation kernel: Oops: 0000 [#1] PREEMPT SMP PTI
Jul 25 17:38:12 arch-workstation kernel: CPU: 3 PID: 296 Comm: kworker/u24:4
Not tainted 5.2.2-arch1-1-ARCH #1
Jul 25 17:38:12 arch-workstation kernel: Hardware name: Micro-Star
International Co., Ltd. MS-7B98/Z390-A PRO (MS-7B98), BIOS 1.60 03/21/2019
Jul 25 17:38:12 arch-workstation kernel: Workqueue: events_unbound commit_work
[drm_kms_helper]
Jul 25 17:38:12 arch-workstation kernel: RIP: 0010:dc_stream_log+0x6/0xb0
[amdgpu]
Jul 25 17:38:12 arch-workstation kernel: Code: 04 00 00 49 8b bc 02 80 02 00 00
48 8b 07 48 8b 40 50 e8 1d 35 f7 cd b8 01 00 00 00 c3 0f 1f 80 00 00 00 00 0f
1f 44 00 00 53 <8b> 86 b4 02 00 00 48 89 f3 48 89 f2 8b 8e 10 01 00 00 bf 04
00>
Jul 25 17:38:12 arch-workstation kernel: RSP: 0018:ffff9ced83f5faf0 EFLAGS:
00010202
Jul 25 17:38:12 arch-workstation kernel: RAX: 0000000000000000 RBX:
ffff8b9687199000 RCX: 0000000000000002
Jul 25 17:38:12 arch-workstation kernel: RDX: ffffffffc1112710 RSI:
0000000000000000 RDI: ffff8b9687199000
Jul 25 17:38:12 arch-workstation kernel: RBP: ffff8b95c7868000 R08:
ffff8b95c7868000 R09: 0000000000000000
Jul 25 17:38:12 arch-workstation kernel: R10: ffff8b95c7868000 R11:
0000000000000018 R12: 0000000000000001
Jul 25 17:38:12 arch-workstation kernel: R13: ffff9ced83f5fd58 R14:
ffff8b967420cff0 R15: 0000000000000000
Jul 25 17:38:12 arch-workstation kernel: FS:  0000000000000000(0000)
GS:ffff8b968d8c0000(0000) knlGS:0000000000000000
Jul 25 17:38:12 arch-workstation kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Jul 25 17:38:12 arch-workstation kernel: CR2: 00000000000002b4 CR3:
000000080c284006 CR4: 00000000003606e0
Jul 25 17:38:12 arch-workstation kernel: DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 25 17:38:12 arch-workstation kernel: DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 25 17:38:12 arch-workstation kernel: Call Trace:
Jul 25 17:38:12 arch-workstation kernel:  dc_commit_state+0x9a/0x5a0 [amdgpu]
Jul 25 17:38:12 arch-workstation kernel:  ?
dm_plane_helper_cleanup_fb+0xa3/0x120 [amdgpu]
Jul 25 17:38:12 arch-workstation kernel: 
amdgpu_dm_atomic_commit_tail+0xc5d/0x1a10 [amdgpu]
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x34/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? __switch_to_asm+0x40/0x70
Jul 25 17:38:12 arch-workstation kernel:  ? _raw_spin_unlock_irq+0x1d/0x30
Jul 25 17:38:12 arch-workstation kernel:  ? finish_task_switch+0x84/0x2d0
Jul 25 17:38:12 arch-workstation kernel:  ? preempt_schedule_common+0x32/0x80
Jul 25 17:38:12 arch-workstation kernel:  ? commit_tail+0x3c/0x70
[drm_kms_helper]
Jul 25 17:38:12 arch-workstation kernel:  commit_tail+0x3c/0x70
[drm_kms_helper]
Jul 25 17:38:12 arch-workstation kernel:  process_one_work+0x1d1/0x3e0
Jul 25 17:38:12 arch-workstation kernel:  worker_thread+0x4a/0x3d0
Jul 25 17:38:12 arch-workstation kernel:  kthread+0xfb/0x130
Jul 25 17:38:12 arch-workstation kernel:  ? process_one_work+0x3e0/0x3e0
Jul 25 17:38:12 arch-workstation kernel:  ? kthread_park+0x90/0x90
Jul 25 17:38:12 arch-workstation kernel:  ret_from_fork+0x35/0x40
Jul 25 17:38:12 arch-workstation kernel: Modules linked in: fuse xt_nat
xt_tcpudp veth xt_MASQUERADE nf_conntrack_netlink xfrm_user xfrm_algo
iptable_nat xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack
nf_defrag_ipv6 nf_defra>
Jul 25 17:38:12 arch-workstation kernel:  snd_usbmidi_lib ppdev iTCO_wdt
snd_hda_codec iTCO_vendor_support snd_rawmidi snd_seq_device media snd_hda_core
agpgart snd_hwdep syscopyarea snd_pcm aesni_intel sysfillrect snd_timer
aes_x86_64 c>
Jul 25 17:38:12 arch-workstation kernel: CR2: 00000000000002b4
Jul 25 17:38:12 arch-workstation kernel: ---[ end trace 8659bfc7daefd7ef ]---
Jul 25 17:38:12 arch-workstation kernel: RIP: 0010:dc_stream_log+0x6/0xb0
[amdgpu]
Jul 25 17:38:12 arch-workstation kernel: Code: 04 00 00 49 8b bc 02 80 02 00 00
48 8b 07 48 8b 40 50 e8 1d 35 f7 cd b8 01 00 00 00 c3 0f 1f 80 00 00 00 00 0f
1f 44 00 00 53 <8b> 86 b4 02 00 00 48 89 f3 48 89 f2 8b 8e 10 01 00 00 bf 04
00>
Jul 25 17:38:12 arch-workstation kernel: RSP: 0018:ffff9ced83f5faf0 EFLAGS:
00010202
lines 802-866/1002 87%

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  parent reply	other threads:[~2019-07-25 15:42 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-15 10:11 [Bug 204181] New: NULL pointer dereference regression in amdgpu bugzilla-daemon
2019-07-15 13:07 ` [Bug 204181] " bugzilla-daemon
2019-07-15 15:43 ` bugzilla-daemon
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2019-07-25 15:42 ` bugzilla-daemon [this message]
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