From: "Pali Rohár" <pali.rohar@gmail.com>
To: intel-gfx@lists.freedesktop.org
Subject: 4.0-rc6 i915 errors
Date: Mon, 6 Apr 2015 12:14:09 +0200 [thread overview]
Message-ID: <201504061214.09283@pali> (raw)
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Hello,
every time when booting 4.0-rc6 kernel I see those error messages in dmesg log:
[ 1.836306] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.836306] [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed register before interrupt
[ 1.839551] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839573] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839573] [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed register before interrupt
[ 1.839602] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839642] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839658] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839658] [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed register before interrupt
[ 1.839679] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839695] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839710] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839762] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839778] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839778] [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed register before interrupt
[ 1.839805] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839848] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839861] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839861] [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed register before interrupt
[ 1.839885] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839904] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839923] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839929] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839930] Console: switching to colour frame buffer device 200x56
[ 1.839965] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.839966] [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed register before interrupt
[ 1.839989] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 1.843095] [drm:hsw_unclaimed_reg_detect.isra.10 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.
lspci show card as:
00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06)
Do you know what it means? What are those errors?
And every time when I open LID of my notebook i915 driver write lot of messages to dmesg:
[ 62.015885] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.016395] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.016486] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.016520] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.016551] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.016725] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.016740] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.025001] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.025070] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 62.025206] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
(closing LID do nothing - no suspend or hibernate action)
Problem with those messages when opening LID I already reported to bug:
https://bugzilla.kernel.org/show_bug.cgi?id=85311#c9
--
Pali Rohár
pali.rohar@gmail.com
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