[Bug 95165] New: Kernel 4.6.0-rc4 + drm-intel-nightly crashes on Lenovo T450s when resuming
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Apr 27 09:41:40 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=95165
Bug ID: 95165
Summary: Kernel 4.6.0-rc4 + drm-intel-nightly crashes on Lenovo
T450s when resuming
Product: DRI
Version: DRI git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: cs_gon at yahoo.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Using the drm-intel-nightly kernel up to commit
commit b29d3f4720fd2b385caca40ccd6f95ad9736edd8
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date: Mon Apr 25 09:36:12 2016 +0200
it crashes on resume, in the following use case:
- I docked the T450s in the UltraDock with two external monitors connected,
internal display was turned off, only the external monitors were on.
- The lid was closed, and the notebook suspended.
- The notebook was then undocked and the lid was opened.
- The notebook resumed, but the kernel crashed right away.
The stack trace:
[ 123.515566] BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
[ 123.515572] IP: [<ffffffffc015b4a9>]
drm_atomic_helper_check_modeset+0x199/0xb10 [drm_kms_helper]
[ 123.515573] PGD 0
[ 123.515574] Oops: 0000 [#1] SMP
[ 123.515594] Modules linked in: hid_generic hid_cherry usbhid hid drbg
ansi_cprng ctr ccm ip6t_REJECT nf_reject_ipv6 ip6table_filter ip6_tables
iptable_nat nf_nat_ipv4 nf_nat xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4
ipt_REJECT
nf_reject_ipv4 xt_conntrack iptable_filter ip_tables x_tables dm_crypt cmac
rfcomm bnep arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp
kvm_intel kvm irqbypass crct10dif_pclmul iwlmvm crc32_pclmul
ghash_clmulni_intel mac80211 btusb btrtl btbcm iwlwifi btintel aesni_intel
aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd cdc_mbim joydev
input_leds cfg80211 serio_raw cdc_wdm cdc_ncm binfmt_misc usbnet bluetooth mii
cdc_acm intel_pch_thermal snd_hda_codec_hdmi rtsx_pci_ms memstick
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec
snd_hda_core
[ 123.515603] thinkpad_acpi snd_hwdep lpc_ich snd_pcm nvram shpchp snd_timer
mei_me snd soundcore mei parport_pc ppdev nf_conntrack_ftp nf_conntrack lp
parport mac_hid rtsx_pci_sdmmc i915 i2c_algo_bit psmouse drm_kms_helper sysco
pyarea sysfillrect rtsx_pci e1000e sysimgblt ahci fb_sys_fops libahci drm ptp
pps_core wmi video fjes
[ 123.515604] CPU: 0 PID: 178 Comm: kworker/u16:5 Not tainted 4.6.0-rc4+ #1
[ 123.515605] Hardware name: LENOVO 20BWS00V00/20BWS00V00, BIOS JBET51WW (1.16
) 07/08/2015
[ 123.515608] Workqueue: events_unbound async_run_entry_fn
[ 123.515609] task: ffff88034905c740 ti: ffff8803496a8000 task.ti:
ffff8803496a8000
[ 123.515613] RIP: 0010:[<ffffffffc015b4a9>] [<ffffffffc015b4a9>]
drm_atomic_helper_check_modeset+0x199/0xb10 [drm_kms_helper]
[ 123.515614] RSP: 0018:ffff8803496abad0 EFLAGS: 00010246
[ 123.515614] RAX: 0000000000000000 RBX: ffff88034cef2400 RCX:
0000000000000008
[ 123.515615] RDX: ffff88031ac9dd40 RSI: ffff88008b9e8d00 RDI:
ffff88034cef2400
[ 123.515615] RBP: ffff8803496abb20 R08: 0000000000000003 R09:
0000000000072008
[ 123.515616] R10: ffff88008b9e8ca0 R11: ffffffffc02c3100 R12:
ffff88008b9e8920
[ 123.515616] R13: 0000000000000006 R14: ffff88034dda7000 R15:
ffff88034dda5800
[ 123.515617] FS: 0000000000000000(0000) GS:ffff88035dc00000(0000)
knlGS:0000000000000000
[ 123.515617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 123.515618] CR2: 0000000000000008 CR3: 0000000001e06000 CR4:
00000000003406f0
[ 123.515618] Stack:
[ 123.515620] ffff8803496abb38 ffff8803496abb30 ffffffff8102c689
0000000000000000
[ 123.515621] 0000000000000000 ffff88034cef2400 ffff88034f338000
0000000000000001
[ 123.515622] ffff88034e135300 ffff88034cef2400 ffff8803496abc08
ffffffffc02381d1
[ 123.515622] Call Trace:
[ 123.515624] [<ffffffff8102c689>] ? __switch_to+0x1d9/0x510
[ 123.515644] [<ffffffffc02381d1>] intel_atomic_check+0x31/0x21e0 [i915]
[ 123.515655] [<ffffffffc01d5a14>] ? intel_runtime_pm_put+0x64/0xb0 [i915]
[ 123.515665] [<ffffffffc01d5bd9>] ? intel_display_power_put+0xd9/0x140
[i915]
[ 123.515677] [<ffffffffc0063db7>] drm_atomic_check_only+0x137/0x5f0 [drm]
[ 123.515687] [<ffffffffc01d5bd9>] ? intel_display_power_put+0xd9/0x140
[i915]
[ 123.515688] [<ffffffff81421801>] ? pci_pm_thaw+0x41/0x90
[ 123.515696] [<ffffffffc0064287>] drm_atomic_commit+0x17/0x60 [drm]
[ 123.515711] [<ffffffffc0241e28>] intel_display_resume+0xb8/0x140 [i915]
[ 123.515712] [<ffffffff81421850>] ? pci_pm_thaw+0x90/0x90
[ 123.515720] [<ffffffffc01b80e5>] i915_drm_resume+0xe5/0x170 [i915]
[ 123.515727] [<ffffffffc01b8197>] i915_pm_resume+0x27/0x30 [i915]
[ 123.515728] [<ffffffff814218b4>] pci_pm_resume+0x64/0xa0
[ 123.515731] [<ffffffff8153804e>] dpm_run_callback+0x4e/0x130
[ 123.515732] [<ffffffff815385d3>] device_resume+0xd3/0x1f0
[ 123.515734] [<ffffffff8153870d>] async_resume+0x1d/0x50
[ 123.515735] [<ffffffff810a1548>] async_run_entry_fn+0x48/0x150
[ 123.515737] [<ffffffff81098a40>] process_one_work+0x150/0x3f0
[ 123.515738] [<ffffffff810991fb>] worker_thread+0x12b/0x4b0
[ 123.515740] [<ffffffff810990d0>] ? rescuer_thread+0x340/0x340
[ 123.515741] [<ffffffff8109e9e9>] kthread+0xc9/0xe0
[ 123.515743] [<ffffffff817ffd22>] ret_from_fork+0x22/0x40
[ 123.515744] [<ffffffff8109e920>] ? kthread_park+0x60/0x60
[ 123.515757] Code: 63 c5 4c 8b 34 c2 48 8b 53 40 4d 85 f6 4c 8b 24 c2 0f 84
ee 00 00 00 f6 05 24 6d f2 ff 10 0f 85 c5 07 00 00 49 8b 86 80 03 00 00 <48> 8b
78 08 49 8b 44 24 08 48 39 c7 74 41 48 85 ff 74 18 4c 8b
[ 123.515761] RIP [<ffffffffc015b4a9>]
drm_atomic_helper_check_modeset+0x199/0xb10 [drm_kms_helper]
[ 123.515761] RSP <ffff8803496abad0>
[ 123.515762] CR2: 0000000000000008
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