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<body><span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [i965]igt/gem_suspend/fence-restore-untiled randomly fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68257">bug 68257</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTOURBUG
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [i965]igt/gem_suspend/fence-restore-untiled randomly fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68257#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [i965]igt/gem_suspend/fence-restore-untiled randomly fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68257">bug 68257</a>
from <span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=68257#c5">comment #5</a>)
<span class="quote">> output:
> rtcwake: wakeup from "mem" using /dev/rtc0 at Wed Aug 21 07:36:38 2013
> rtcwake: write error
> failed 0
>
> Call Trace:
> [ 146.353026] [<ffffffff8104ea7d>] ? up+0xb/0x36
> [ 146.353047] [<ffffffff810c8f74>] ? dma_pool_alloc+0x1a0/0x1c4
> [ 146.353074] [<ffffffff815d365c>] ? uhci_alloc_td.isra.30+0x13/0x45
> [ 146.353100] [<ffffffff810c8f74>] ? dma_pool_alloc+0x1a0/0x1c4
> [ 146.353130] [<ffffffff816efc5e>] ? schedule_timeout+0x147/0x16d
> [ 146.353156] [<ffffffff8103c198>] ? usleep_range+0x3e/0x3e
> [ 146.353180] [<ffffffff816f1a85>] ? wait_for_common+0x119/0x146
> [ 146.353209] [<ffffffff81053d82>] ? try_to_wake_up+0x1e3/0x1e3
> [ 146.353235] [<ffffffff815b7f95>] ? usb_start_wait_urb+0x7b/0xc7
> [ 146.353263] [<ffffffff813604f7>] ? dev_printk_emit+0x39/0x3e
> [ 146.353287] [<ffffffff815b81f0>] ? usb_control_msg+0xc6/0xfb
> [ 146.353315] [<ffffffff815b1268>] ? hub_port_init+0x37b/0x85d
> [ 146.353339] [<ffffffff815b3a1d>] ? hub_thread+0x7cb/0xdf4
> [ 146.353364] [<ffffffff81050d82>] ? __wake_up_common+0x42/0x78
> [ 146.353389] [<ffffffff8104b8a8>] ? abort_exclusive_wait+0x79/0x79
> [ 146.353417] [<ffffffff815b3252>] ? hub_port_debounce+0xcf/0xcf
> [ 146.353444] [<ffffffff8104afca>] ? kthread+0xad/0xb5
> [ 146.353466] [<ffffffff8104af1d>] ?
> kthread_freezable_should_stop+0x40/0x40
> [ 146.353496] [<ffffffff816f7e6c>] ? ret_from_fork+0x7c/0xb0
> [ 146.353523] [<ffffffff8104af1d>] ?
> kthread_freezable_should_stop+0x40/0x40
>
> [ 146.353563] Restarting kernel threads ... done.
> [ 146.353695] Restarting tasks ... done.</span >
Ok, doesn't look so much like a bug in rtcwake but an usb issue - somehow
probing of one of the usb devices you have fails while running suspend/resume,
which then fails the entire suspend process. So rtcwake actually seems to work
and correctly report the error back!
For debugging the usb issue I'd try to unplug everything you have plugged in
and retest. If that works then figure out which usb devices is the offender and
throw that one into the bin. If that doesn't help I think you need to file a
kernel bug against the usb subsystem and maybe ping Sarah Sharp about this.
In any case this is not our bug ...</pre>
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