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<head>
<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [GM965/GL960] [drm:intel_pipe_config_compare] *ERROR* mismatch in gmch_pfit.lvds_border_bits"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74081">74081</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[GM965/GL960] [drm:intel_pipe_config_compare] *ERROR* mismatch in gmch_pfit.lvds_border_bits
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>manikulin@gmail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/intel
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=92811" name="attach_92811" title="dmesg with drm.debug=0x0e">attachment 92811</a> <a href="attachment.cgi?id=92811&action=edit" title="dmesg with drm.debug=0x0e">[details]</a></span>
dmesg with drm.debug=0x0e
Latest kernels generates the following error to dmesg. The system and xorg are
able to start however.
[ 25.896212] [drm:intel_connector_check_state], [CONNECTOR:5:LVDS-1]
[ 25.896215] [drm:intel_connector_check_state], [CONNECTOR:11:VGA-1]
[ 25.896219] [drm:check_encoder_state], [ENCODER:6:LVDS-6]
[ 25.896222] [drm:check_encoder_state], [ENCODER:12:DAC-12]
[ 25.896224] [drm:check_crtc_state], [CRTC:3]
[ 25.896235] [drm:check_crtc_state], [CRTC:4]
[ 25.896246] [drm:intel_pipe_config_compare] *ERROR* mismatch in
gmch_pfit.lvds_border_bits (expected 32768, found 0)
[ 25.896246] ------------[ cut here ]------------
[ 25.896294] WARNING: CPU: 1 PID: 392 at
/home/apw/COD/linux/drivers/gpu/drm/i915/intel_display.c:9558
check_crtc_state+0x275/0x330 [i915]()
[ 25.896295] pipe state doesn't match!
[ 25.896328] Modules linked in: ath9k(+) snd_hda_codec ath9k_common ath9k_hw
snd_hwdep snd_pcm snd_page_alloc snd_seq_midi i915(+) snd_seq_midi_event
microcode(+) snd_rawmidi snd_seq parport_pc ath ppdev mac80211 btusb
drm_kms_helper psmouse snd_seq_device drm bnep snd_timer rfcomm cfg80211 snd
bluetooth asus_laptop serio_raw soundcore sparse_keymap i2c_algo_bit lp
input_polldev lpc_ich video parport mac_hid hid_a4tech usbhid hid ahci libahci
r8169 mii
[ 25.896332] CPU: 1 PID: 392 Comm: systemd-udevd Not tainted
3.13.0-994-generic #201401260429
[ 25.896333] Hardware name: ASUSTeK Computer Inc. F80L
/F80L , BIOS 206 08/06/2008
[ 25.896337] 0000000000002556 ffff88007a2c1268 ffffffff81733672
0000000000000086
[ 25.896340] ffff88007a2c12b8 ffff88007a2c12a8 ffffffff81067bac
ffff88007a2c12d8
[ 25.896343] ffff88007a6be000 ffff880036711b18 ffff880036711800
ffff88007a6be6d8
[ 25.896344] Call Trace:
[ 25.896352] [<ffffffff81733672>] dump_stack+0x46/0x58
[ 25.896357] [<ffffffff81067bac>] warn_slowpath_common+0x8c/0xc0
[ 25.896360] [<ffffffff81067c96>] warn_slowpath_fmt+0x46/0x50
...
[ 25.896808] [<ffffffff810e58d4>] SyS_init_module+0xb4/0x100
[ 25.896811] [<ffffffff81748d7f>] tracesys+0xe1/0xe6
[ 25.896813] ---[ end trace 103b685a7f136965 ]---
[ 25.896816] [drm:intel_dump_pipe_config], [CRTC:4][hw state] config for pipe
B
[ 25.896817] [drm:intel_dump_pipe_config], cpu_transcoder: B
the full dmesg is attached.
Ubuntu 13.10 amd64 is running on the Asus F80L laptop
lspci:
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (primary) (rev 03) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 14e2
Flags: bus master, fast devsel, latency 0, IRQ 46
Memory at feb00000 (64-bit, non-prefetchable) [size=1M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at ec00 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 3
Kernel driver in use: i915
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller (secondary) (rev 03)
Subsystem: ASUSTeK Computer Inc. Device 14e2
Flags: bus master, fast devsel, latency 0
Memory at fe900000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [d0] Power Management version 3
The kernel is drm-intel-nightly from 2014-01-26 taken at ubuntu
kernel-ppa/mainline
3.13.0-994-generic #201401260429 SMP Sun Jan 26 09:29:55 UTC 2014 x86_64 x86_64
x86_64 GNU/Linux
cat /sys/kernel/debug/dri/*/i915_error_state
no error state collected
no error state collected</pre>
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