[Bug 97491] New: [BAT SNB] Missing switch case (16) in gen6_check_mailbox_status dmesg WARNING by intel_pm
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Aug 26 10:22:43 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=97491
Bug ID: 97491
Summary: [BAT SNB] Missing switch case (16) in
gen6_check_mailbox_status dmesg WARNING by intel_pm
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: jari.tahvanainen at intel.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 126051
--> https://bugs.freedesktop.org/attachment.cgi?id=126051&action=edit
dmesg (boot)
On the latest CI execution round (IGT-Version: 1.15-g3a3c0fa (x86_64) (Linux:
4.8.0-rc3-CI-CI_DRM_1589+ x86_64)) one can see this same dmesg on several
cases:
./drv_hangman --run-subtest error-state-basic
- last success:
"IGT-Version: 1.15-g3a3c0fa (x86_64) (Linux: 4.8.0-rc3-CI-CI_DRM_1588+ x86_64)
Subtest error-state-basic: SUCCESS (10.372s)"
./drv_module_reload_basic
- has been failing for ~week
./gem_exec_suspend --run-subtest basic-S3
- has been failing for ~week
./gem_ringfill --run-subtest basic-default-forked
- last success:
"IGT-Version: 1.15-g65a9987 (x86_64) (Linux: 4.8.0-rc3-CI-CI_DRM_1587+ x86_64)
Subtest basic-default-forked: SUCCESS (1.600s)"
./kms_pipe_crc_basic --run-subtest hang-read-crc-pipe-A
- last success:
"IGT-Version: 1.15-g65a9987 (x86_64) (Linux: 4.8.0-rc3-CI-CI_DRM_1586+ x86_64)
hang-read-crc-pipe-A: Testing connector VGA-1 using pipe A
hang-read-crc-pipe-A: Testing connector HDMI-A-1 using pipe A
hang-read-crc-pipe-A: Testing connector VGA-1 using pipe A
hang-read-crc-pipe-A: Testing connector HDMI-A-1 using pipe A
Subtest hang-read-crc-pipe-A: SUCCESS (11.900s)"
./kms_pipe_crc_basic --run-subtest hang-read-crc-pipe-B
- last success:
"IGT-Version: 1.15-g65a9987 (x86_64) (Linux: 4.8.0-rc3-CI-CI_DRM_1586+ x86_64)
hang-read-crc-pipe-B: Testing connector VGA-1 using pipe B
hang-read-crc-pipe-B: Testing connector HDMI-A-1 using pipe B
hang-read-crc-pipe-B: Testing connector VGA-1 using pipe B
hang-read-crc-pipe-B: Testing connector HDMI-A-1 using pipe B
Subtest hang-read-crc-pipe-B: SUCCESS (12.426s)"
./kms_pipe_crc_basic --run-subtest suspend-read-crc-pipe-A
- has been failing for ~week
./kms_pipe_crc_basic --run-subtest suspend-read-crc-pipe-B
- has been failing for ~week
Here is copy-paste from dmesg related to ./drv_hangman - and as attachment
there is full dmesg files (one for boot and another igt execution) for this
same case.
Detail Value
Returncode 0
Time 0:00:11.043401
Stdout
IGT-Version: 1.15-g3a3c0fa (x86_64) (Linux: 4.8.0-rc3-CI-CI_DRM_1589+ x86_64)
Subtest error-state-basic: SUCCESS (10.895s)
Stderr
Environment
PIGLIT_PLATFORM="mixed_glx_egl" PIGLIT_SOURCE_DIR="/opt/igt/piglit"
Command /opt/igt/tests/drv_hangman --run-subtest error-state-basic
dmesg
[ 157.742584] drm/i915: Resetting chip after gpu hang
[ 157.744617] ------------[ cut here ]------------
[ 157.744641] WARNING: CPU: 5 PID: 9238 at
drivers/gpu/drm/i915/intel_pm.c:7760 sandybridge_pcode_write+0x141/0x200 [i915]
[ 157.744642] Missing switch case (16) in gen6_check_mailbox_status
[ 157.744642] Modules linked in: snd_hda_intel i915 ax88179_178a usbnet mii
x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_codec snd_hwdep snd_hda_core mei_me lpc_ich
snd_pcm mei broadcom bcm_phy_lib tg3 ptp pps_core [last unloaded: vgem]
[ 157.744658] CPU: 5 PID: 9238 Comm: drv_hangman Tainted: G U W
4.8.0-rc3-CI-CI_DRM_1589+ #1
[ 157.744658] Hardware name: Dell Inc. XPS 8300 /0Y2MRG, BIOS A06 10/17/2011
[ 157.744659] 0000000000000000 ffff88011f093a98 ffffffff81426415
ffff88011f093ae8
[ 157.744662] 0000000000000000 ffff88011f093ad8 ffffffff8107d2a6
00001e50810d3c9f
[ 157.744663] ffff880128680000 0000000000000008 0000000000000000
ffff88012868a650
[ 157.744665] Call Trace:
[ 157.744669] [<ffffffff81426415>] dump_stack+0x67/0x92
[ 157.744672] [<ffffffff8107d2a6>] __warn+0xc6/0xe0
[ 157.744673] [<ffffffff8107d30a>] warn_slowpath_fmt+0x4a/0x50
[ 157.744685] [<ffffffffa0029831>] sandybridge_pcode_write+0x141/0x200 [i915]
[ 157.744697] [<ffffffffa002a88a>] intel_enable_gt_powersave+0x64a/0x1330
[i915]
[ 157.744712] [<ffffffffa006b4cb>] ? i9xx_emit_request+0x1b/0x80 [i915]
[ 157.744725] [<ffffffffa0055ed3>] __i915_add_request+0x1e3/0x370 [i915]
[ 157.744738] [<ffffffffa00428bd>]
i915_gem_do_execbuffer.isra.16+0xced/0x1b80 [i915]
[ 157.744740] [<ffffffff811a232e>] ? __might_fault+0x3e/0x90
[ 157.744752] [<ffffffffa0043b72>] i915_gem_execbuffer2+0xc2/0x2a0 [i915]
[ 157.744753] [<ffffffff815485b7>] drm_ioctl+0x207/0x4c0
[ 157.744765] [<ffffffffa0043ab0>] ? i915_gem_execbuffer+0x360/0x360 [i915]
[ 157.744767] [<ffffffff810ea4ad>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 157.744769] [<ffffffff811fe09e>] do_vfs_ioctl+0x8e/0x680
[ 157.744770] [<ffffffff811a2377>] ? __might_fault+0x87/0x90
[ 157.744771] [<ffffffff811a232e>] ? __might_fault+0x3e/0x90
[ 157.744773] [<ffffffff810d3df2>] ? trace_hardirqs_on_caller+0x122/0x1b0
[ 157.744774] [<ffffffff811fe6cc>] SyS_ioctl+0x3c/0x70
[ 157.744776] [<ffffffff8180fe69>] entry_SYSCALL_64_fastpath+0x1c/0xac
[ 157.744777] ---[ end trace db67199eb0eabf0b ]---
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