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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BDW] kernel v3.15-rc7: GPU HANG: ecode 0:0x0fdf00ac, in Xorg [1060], reason: Ring hung, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79248#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BDW] kernel v3.15-rc7: GPU HANG: ecode 0:0x0fdf00ac, in Xorg [1060], reason: Ring hung, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79248">bug 79248</a>
from <span class="vcard"><a class="email" href="mailto:evawang@linpus.com" title="EvaWang <evawang@linpus.com>"> <span class="fn">EvaWang</span></a>
</span></b>
<pre>
<span class="quote">> 1. Is this reproducible?
> 1a. If yes, please submit dmesg with drm.debug=0x6</span >
Eva:Yes, please refer attachment dmesg_315rc8.log
<span class="quote">> 1b. If no, please lower the priority
> 2. Is this a regression?
> 2a. If yes, please bisect.</span >
Eva: It seems 3.15 has the issue, but 3.14 has no issue. we will spend
hours to verify whether it is a regression. which branch do you suggest to
bisect?
<span class="quote">> 3. What were you doing at the time of the hang?</span >
Eva: I enter to tty4 to get the dmesg and error. if do not press tty4,
system will hang and can't enter to tty even if press tty4.
<span class="quote">> 4. Did the system recover after the hang.</span >
Eva: It can't recover.
<span class="quote">> 5. Please try to reproduce with rc6 disabled.</span >
Eva: It still happen with rc6 disabled.</pre>
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