[Bug 82892] New: [HSW]igt/kms_setmode/clone-exclusive-crtc causes "WARNING: CPU: 3 PID: 20000 at drivers/gpu/drm/i915/intel_ddi.c:1531 intel_ddi_compute_config+0x39/0x6c [i915]()"
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 20 23:16:07 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=82892
Priority: medium
Bug ID: 82892
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [HSW]igt/kms_setmode/clone-exclusive-crtc causes
"WARNING: CPU: 3 PID: 20000 at
drivers/gpu/drm/i915/intel_ddi.c:1531
intel_ddi_compute_config+0x39/0x6c [i915]()"
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: normal
Classification: Unclassified
OS: All
Reporter: jinxianx.guo at intel.com
Hardware: Other
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
Created attachment 105004
--> https://bugs.freedesktop.org/attachment.cgi?id=105004&action=edit
dmesg
==System Environment==
--------------------------
Regression: Not sure.
I didn't find good commit on both kernel and i-g-t.
Non-working platforms: HSW
==kernel==
--------------------------
origin/drm-intel-nightly: 49ceddc7b3b0e3f7eb21b9fb4c9b840cff630047(fails)
drm-intel-nightly: 2014y-08m-19d-19h-02m-49s integration manifest
origin/drm-intel-next-queued: 3f72c7b12f1a81a32fd37216b3382e6fe46a7184(fails)
drm/i915/bdw: Disable execlists by default
origin/drm-intel-fixes: 1a125d8a2c22b11741fc47d4ffcf7a5ffa044dd3(fails)
drm/i915: don't try to retrain a DP link on an inactive CRTC
==Bug detailed description==
-----------------------------
igt/kms_setmode/clone-exclusive-crtc causes "WARNING: CPU: 3 PID: 20000 at
drivers/gpu/drm/i915/intel_ddi.c:1531 intel_ddi_compute_config+0x39/0x6c
[i915]()"
Output:
[root at x-hsw24 tests]# ./kms_setmode --run-subtest clone-exclusive-crtc
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux:
3.17.0-rc1_drm-intel-nightly_49cedd_20140821+ x86_64)
Testing: clone-exclusive-crtc 2 connector combinations
Test id#1 CRTC count 2
CRTC[7] [Pipe A] Mode: 640x480 at 60Hz Connectors: VGA-1[18] (NC)
CRTC[12] [Pipe B] Mode: 640x480 at 60Hz Connectors: HDMI-A-1[27] (NC)
Test assertion failure function test_crtc_config, file kms_setmode.c:433:
Failed assertion: config_failed == !!(tconf->flags & TEST_INVALID)
Last errno: 22, Invalid argument
Subtest clone-exclusive-crtc: FAIL
[root at x-hsw24 tests]# dmesg -r|egrep ""<[1-4]>""|grep drm
<4>[ 143.879861] WARNING: CPU: 3 PID: 20000 at
drivers/gpu/drm/i915/intel_ddi.c:1531 intel_ddi_compute_config+0x39/0x6c
[i915]()
<4>[ 143.879863] Modules linked in: ip6table_filter ip6_tables ipv6
iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support dcdbas serio_raw pcspkr i2c_i801 snd_hda_intel
snd_hda_controller snd_hda_codec lpc_ich snd_hwdep mfd_core shpchp snd_pcm
snd_timer snd soundcore battery acpi_cpufreq i915 button video drm_kms_helper
drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 143.879876] CPU: 3 PID: 20000 Comm: kms_setmode Not tainted
3.17.0-rc1_drm-intel-nightly_49cedd_20140821+ #1652
<4>[ 143.879934] [<ffffffffa00181c9>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 143.879938] [<ffffffffa001bbe4>] ? drm_mode_setcrtc+0x3e6/0x48b [drm]
<4>[ 143.879942] [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 143.879948] [<ffffffffa001b7fe>] ? drm_mode_setplane+0x16d/0x16d [drm]
<4>[ 143.879952] [<ffffffffa000fda3>] ? drm_gem_vm_close+0x2a/0x4b [drm]
<4>[ 143.879969] WARNING: CPU: 3 PID: 20000 at
drivers/gpu/drm/i915/intel_dp.c:137 intel_dp_max_link_bw+0x6f/0x77 [i915]()
<4>[ 143.879971] Modules linked in: ip6table_filter ip6_tables ipv6
iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support dcdbas serio_raw pcspkr i2c_i801 snd_hda_intel
snd_hda_controller snd_hda_codec lpc_ich snd_hwdep mfd_core shpchp snd_pcm
snd_timer snd soundcore battery acpi_cpufreq i915 button video drm_kms_helper
drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 143.879981] CPU: 3 PID: 20000 Comm: kms_setmode Tainted: G W
3.17.0-rc1_drm-intel-nightly_49cedd_20140821+ #1652
<4>[ 143.880040] [<ffffffffa00181c9>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 143.880044] [<ffffffffa001bbe4>] ? drm_mode_setcrtc+0x3e6/0x48b [drm]
<4>[ 143.880047] [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 143.880053] [<ffffffffa001b7fe>] ? drm_mode_setplane+0x16d/0x16d [drm]
<4>[ 143.880056] [<ffffffffa000fda3>] ? drm_gem_vm_close+0x2a/0x4b [drm]
==Reproduce steps==
----------------------------
1. ./kms_setmode --run-subtest clone-exclusive-crtc
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