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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [nouveau, linux-3.7-rc] Broken cursor and kernel log swamped with trapped reads/writes from BAR/PFIFO_READ/FB"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57350#c31">Comment # 31</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [nouveau, linux-3.7-rc] Broken cursor and kernel log swamped with trapped reads/writes from BAR/PFIFO_READ/FB"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57350">bug 57350</a>
from <span class="vcard"><a class="email" href="mailto:bonbons67@internet.lu" title="Bruno <bonbons67@internet.lu>"> <span class="fn">Bruno</span></a>
</span></b>
<pre>I do get lock-ups with 3.8.4 and 3.9-rc4.
3.9-rc4 does not have the corrupted cursor anymore but still has lots of
trapped reads or writes.
Kernel is still alive at lockup time and kernel log reports
...
[ 521.627844] nouveau E[ PFB][0000:02:00.0] trapped read at 0x000040fe2c
on channel 0x0000fee0 [unknown] BAR/PFIFO_READ/FB reason: PAGE_NOT_PRESENT
[ 521.627864] nouveau E[ PFB][0000:02:00.0] trapped read at 0x000040fe34
on channel 0x0000fee0 [unknown] BAR/PFIFO_READ/FB reason: PAGE_NOT_PRESENT
[ 521.627882] nouveau E[ PFB][0000:02:00.0] trapped read at 0x000040fe3c
on channel 0x0000fee0 [unknown] BAR/PFIFO_READ/FB reason: PAGE_NOT_PRESENT
[ 521.630177] nouveau E[ PFB][0000:02:00.0] trapped write at 0x00004025c0
on channel 0x0000fee0 [unknown] BAR/PFIFO_WRITE/FB reason: PAGE_NOT_PRESENT
[ 521.632255] nouveau E[ PFIFO][0000:02:00.0] still angry after 101 spins,
halt
[ 521.632273] nouveau E[ PFB][0000:02:00.0] trapped read at 0x00004025c0
on channel 0x0000fee0 [unknown] BAR/PFIFO_READ/FB reason: PAGE_NOT_PRESENT
[ 524.640022] [sched_delayed] sched: RT throttling activated</pre>
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