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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - repeatable nouveau driver crashes/hangs during resume on Dell Latitude E6510 when drm.debug=14"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57151">57151</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>repeatable nouveau driver crashes/hangs during resume on Dell Latitude E6510 when drm.debug=14
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>karolszk@gmail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86 (IA32)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>7.6 (2010.12)
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
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<pre>I've added the following options drm.debug=14 log_buf_len=16M to grub config
and each time resume causes hang in logs appears:
ov 14 23:21:27 karolszk-lap kernel: [ 613.414575] Call Trace:
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414648] [<f8f34394>]
nv50_i2c_getscl+0x24/0x30 [nouveau]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414656] [<f84fb052>]
sclhi+0x42/0x70 [i2c_algo_bit]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414663] [<f84fb0ad>]
i2c_stop+0x2d/0x50 [i2c_algo_bit]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414671] [<f84fb83f>]
try_address+0x3f/0x80 [i2c_algo_bit]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414679] [<f84fb8f0>]
bit_doAddress.isra.7+0x70/0x180 [i2c_algo_bit]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414687] [<f84fba76>]
bit_xfer+0x76/0x600 [i2c_algo_bit]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414697] [<c1450f2d>]
i2c_transfer+0x8d/0xc0
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414727] [<f8f34f55>]
nouveau_probe_i2c_addr+0x45/0x50 [nouveau]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414758] [<f8f36854>]
nouveau_connector_detect+0xc4/0x280 [nouveau]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414769] [<f8d77820>]
output_poll_execute+0x90/0x180 [drm_kms_helper]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414781] [<c1072f00>] ?
queue_delayed_work_on+0x20/0x100
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414790] [<c1476816>] ?
do_dbs_timer+0x66/0xc0
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414797] [<c1074a21>]
process_one_work+0x101/0x3a0
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414806] [<c15ae330>] ?
common_interrupt+0x30/0x38
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414816] [<f8d77790>] ?
drm_helper_mode_fill_fb_struct+0x30/0x30 [drm_kms_helper]
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414824] [<c10754e4>]
worker_thread+0x124/0x2d0
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414831] [<c10753c0>] ?
manage_workers.isra.28+0x110/0x110
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414839] [<c10792dd>]
kthread+0x6d/0x80
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414846] [<c1079270>] ?
flush_kthread_worker+0x80/0x80
Nov 14 23:21:27 karolszk-lap kernel: [ 613.414853] [<c15ae33e>]
kernel_thread_helper+0x6/0x10
my machine is Dell Laptop Latitude E6510. 12.04 ubuntu and kernel:
Linux karolszk-lap 3.2.0-32-generic-pae #51-Ubuntu SMP Wed Sep 26 21:54:23 UTC
2012 i686 i686 i386 GNU/Linux</pre>
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