[Bug 104611] [fiji] BUG: unable to handle kernel NULL pointer dereference when waking up displays with amdgpu.dc=1 - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 104611] [fiji] BUG: unable to handle kernel NULL pointer dereference when waking up displays with amdgpu.dc=1
Date: Wed, 17 Jan 2018 15:27:24 +0000	[thread overview]
Message-ID: <bug-104611-502-2PrbEcUWDF@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-104611-502@http.bugs.freedesktop.org/>

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https://bugs.freedesktop.org/show_bug.cgi?id=104611

--- Comment #3 from Vedran Miletić <vedran@miletic.net> ---
(In reply to Harry Wentland from comment #1)
> Does this reproduce consistently or intermittently?

No, but I just got it on RX 580: 

[ 3582.972912] BUG: unable to handle kernel NULL pointer dereference at
0000000000000208
[ 3582.972982] IP: create_stream_for_sink+0x1cc/0x3c0 [amdgpu]
[ 3582.972985] PGD 80000003b3e7b067 P4D 80000003b3e7b067 PUD 3d0c0a067 PMD 0 
[ 3582.972992] Oops: 0000 [#1] SMP PTI
[ 3582.972995] Modules linked in: fuse rpcsec_gss_krb5 nfsv4 dns_resolver nfs
lockd grace fscache intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp
snd_hda_codec_realtek snd_hda_codec_generic kvm snd_hda_codec_hdmi irqbypass
joydev snd_hda_intel snd_hda_codec crct10dif_pclmul crc32_pclmul snd_hda_core
eeepc_wmi ghash_clmulni_intel intel_cstate snd_hwdep intel_uncore snd_seq
snd_seq_device asus_wmi sparse_keymap snd_pcm mei_wdt intel_rapl_perf rfkill
iTCO_wdt iTCO_vendor_support snd_timer snd wmi_bmof ppdev soundcore mei_me wmi
lpc_ich mei i2c_i801 parport_pc parport video shpchp binfmt_misc auth_rpcgss
sunrpc amdkfd amd_iommu_v2 amdgpu chash i2c_algo_bit drm_kms_helper ttm
crc32c_intel drm r8169 mii hid_cherry
[ 3582.973075] CPU: 3 PID: 4419 Comm: Xorg Not tainted
4.15.0-0.rc7.git4.1.fc28.x86_64 #1
[ 3582.973077] Hardware name: Transtec AG    /B85M-E, BIOS 3507 07/21/2017
[ 3582.973130] RIP: 0010:create_stream_for_sink+0x1cc/0x3c0 [amdgpu]
[ 3582.973132] RSP: 0018:ffffaa8402503900 EFLAGS: 00010286
[ 3582.973136] RAX: 0000000000000870 RBX: ffff8d4f472aa000 RCX:
0000000000000000
[ 3582.973138] RDX: 0000000000000013 RSI: 0000000000000002 RDI:
ffff8d4f0373f48c
[ 3582.973140] RBP: ffffaa8402503a40 R08: 0000000000000000 R09:
0000000000000f00
[ 3582.973142] R10: ffff8d4f0373f400 R11: 0000000000000870 R12:
ffff8d4f0373f400
[ 3582.973143] R13: 0000000000000000 R14: ffff8d4f0c16fe80 R15:
ffff8d4f03739800
[ 3582.973146] FS:  00007efef37f6a80(0000) GS:ffff8d4f4cc00000(0000)
knlGS:0000000000000000
[ 3582.973148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3582.973150] CR2: 0000000000000208 CR3: 00000003cc198001 CR4:
00000000001606e0
[ 3582.973152] Call Trace:
[ 3582.973159]  ? __lock_is_held+0x65/0xb0
[ 3582.973215]  dm_update_crtcs_state+0xef/0x3a0 [amdgpu]
[ 3582.973262]  ? dm_update_crtcs_state+0xef/0x3a0 [amdgpu]
[ 3582.973310]  ? dc_resource_state_copy_construct+0xcc/0x110 [amdgpu]
[ 3582.973356]  amdgpu_dm_atomic_check+0x210/0x480 [amdgpu]
[ 3582.973377]  drm_atomic_check_only+0x387/0x560 [drm]
[ 3582.973389]  ? drm_connector_list_iter_end+0x5a/0x70 [drm]
[ 3582.973402]  drm_atomic_commit+0x18/0x50 [drm]
[ 3582.973413]  drm_atomic_connector_commit_dpms+0xef/0x100 [drm]
[ 3582.973425]  set_property_atomic+0xce/0x150 [drm]
[ 3582.973440]  drm_mode_obj_set_property_ioctl+0xf9/0x1b0 [drm]
[ 3582.973451]  ? drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
[ 3582.973461]  drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm]
[ 3582.973472]  drm_ioctl_kernel+0x5d/0xb0 [drm]
[ 3582.973483]  drm_ioctl+0x31b/0x3d0 [drm]
[ 3582.973492]  ? drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
[ 3582.973499]  ? trace_hardirqs_on_caller+0xf4/0x190
[ 3582.973502]  ? trace_hardirqs_on+0xd/0x10
[ 3582.973533]  amdgpu_drm_ioctl+0x4f/0x90 [amdgpu]
[ 3582.973538]  do_vfs_ioctl+0xa6/0x6c0
[ 3582.973544]  ? __fget+0x124/0x210
[ 3582.973548]  SyS_ioctl+0x79/0x90
[ 3582.973554]  entry_SYSCALL_64_fastpath+0x25/0x9c
[ 3582.973557] RIP: 0033:0x7efef0af1877
[ 3582.973559] RSP: 002b:00007ffd548f2768 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 3582.973562] RAX: ffffffffffffffda RBX: 0000000001763a10 RCX:
00007efef0af1877
[ 3582.973564] RDX: 00007ffd548f27a0 RSI: 00000000c01064ab RDI:
000000000000000c
[ 3582.973566] RBP: 0000000001a07140 R08: 00000000021a4bd0 R09:
0000000000000020
[ 3582.973568] R10: 0000000000000005 R11: 0000000000000246 R12:
0000000000847360
[ 3582.973570] R13: 0000000000000001 R14: 0000000000000004 R15:
00007ffd548f31c0
[ 3582.973576] Code: da 4c 89 e7 e8 56 fc ff ff 4c 89 f6 4c 89 ef 4c 89 e2 e8
28 f0 ff ff 4c 8b ab c0 04 00 00 49 8d bc 24 8c 00 00 00 ba 13 00 00 00 <41> 0f
b7 85 08 02 00 00 49 8d b5 12 02 00 00 41 89 84 24 a0 00 
[ 3582.973687] RIP: create_stream_for_sink+0x1cc/0x3c0 [amdgpu] RSP:
ffffaa8402503900
[ 3582.973689] CR2: 0000000000000208
[ 3582.973711] ---[ end trace db6ecfa1f0babe6e ]---

(In reply to Roman Li from comment #2)
> I cannot reproduce it on v4.15-rc7 (git#1545dec46db3)
> Vedran, can you  provide more info on your setup:
> - display and connector types
> - window manager
> - dmesg with amdgpu.dc_log=1

2xDell P2715Q hooked over DP.
GNOME 3 on Fedora 27.
I will provide dmesg.

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