| Summary: |
[HSW Regression]igt/pm_rps/reset causes drivers/gpu/drm/i915/i915_irq.c:284 gen6_enable_rps_interrupts+0x34/0x94 [i915] |
| Product: |
DRI
|
Reporter: |
lu hua <huax.lu> |
| Component: |
DRM/Intel | Assignee: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Status: |
CLOSED
DUPLICATE
|
QA Contact: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Severity: |
normal
|
|
|
| Priority: |
high
|
CC: |
intel-gfx-bugs
|
| Version: |
unspecified | Keywords: |
bisect_pending |
| Hardware: |
All | |
|
| OS: |
Linux (All) | |
|
| Whiteboard: |
|
|
i915 platform:
|
|
i915 features:
|
|
|---|
| Attachments: |
| Description |
Flags |
|
dmesg
|
none
|
|
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Created attachment 110665 [details] dmesg ==System Environment== -------------------------- Regression: Yes good commit: 0b5492d6b53251acab99b1906a328fac56e08be3 bad commit: b05ddd4dfb6303ee9dde359ec913aa7a918fd81 Non-working platforms: HSW ==kernel== -------------------------- drm-intel-nightly/34d267c2ba9c0845432baf959a2c4deed87f3ee4 drm-intel-next-queued/b05ddd4dfb6303ee9dde359ec913aa7a918fd81 drm-intel-fixes/b0616c5306b342ceca07044dbc4f917d95c4f825 ==Bug detailed description== ----------------------------- It happens on drm-intel-nightly and drm-intel-next-queued kernel, works well on drm-intel-fixes kernel. output: IGT-Version: 1.8-gf333981 (x86_64) (Linux: 3.18.0_drm-intel-nightly_34d267_20141209+ x86_64) Subtest reset: SUCCESS (40.392s) dmesg: [ 161.967391] ------------[ cut here ]------------ [ 161.968586] WARNING: CPU: 0 PID: 794 at drivers/gpu/drm/i915/i915_irq.c:284 gen6_enable_rps_interrupts+0x34/0x94 [i915]() [ 161.969798] WARN_ON(dev_priv->rps.pm_iir) [ 161.969813] Modules linked in: netconsole configfs battery dm_mod tpm_infineon wmi tpm_tis tpm acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: netconsole] [ 161.972961] CPU: 0 PID: 794 Comm: kworker/0:1 Not tainted 3.18.0_drm-intel-nightly_34d267_20141209+ #2416 [ 161.974740] Hardware name: ASUS All Series/Z87-EXPERT, BIOS 1008 05/17/2013 [ 161.976538] Workqueue: events intel_gen6_powersave_work [i915] [ 161.978341] 0000000000000000 0000000000000009 ffffffff8178d5e2 ffff880255e87d58 [ 161.980173] ffffffff8103a8cc ffff880200000000 ffffffffa00b07e4 0000000000000246 [ 161.982011] ffff880250860000 ffff88025119f800 ffff8802508686d8 0000000000040000 [ 161.983846] Call Trace: [ 161.985666] [<ffffffff8178d5e2>] ? dump_stack+0x41/0x51 [ 161.987504] [<ffffffff8103a8cc>] ? warn_slowpath_common+0x78/0x90 [ 161.989349] [<ffffffffa00b07e4>] ? gen6_enable_rps_interrupts+0x34/0x94 [i915] [ 161.991204] [<ffffffff8103a97c>] ? warn_slowpath_fmt+0x45/0x4a [ 161.993055] [<ffffffffa008bd8f>] ? __gen6_update_ring_freq+0x133/0x14f [i915] [ 161.994898] [<ffffffffa00b07e4>] ? gen6_enable_rps_interrupts+0x34/0x94 [i915] [ 161.996722] [<ffffffffa008dba0>] ? intel_gen6_powersave_work+0xfa9/0xfca [i915] [ 161.998534] [<ffffffff8104bbed>] ? process_one_work+0x1ae/0x31c [ 162.000329] [<ffffffff8104bfd5>] ? worker_thread+0x255/0x350 [ 162.002108] [<ffffffff8104bd80>] ? process_scheduled_works+0x25/0x25 [ 162.003878] [<ffffffff8104f81e>] ? kthread+0xc5/0xcd [ 162.005635] [<ffffffff8104f759>] ? kthread_freezable_should_stop+0x40/0x40 [ 162.007401] [<ffffffff81792bec>] ? ret_from_fork+0x7c/0xb0 [ 162.009170] [<ffffffff8104f759>] ? kthread_freezable_should_stop+0x40/0x40 [ 162.010929] ---[ end trace 2bba719a75829b0c ]--- Reproduce steps: ------------------------- 1. ./pm_rps --run-subtest reset