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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - i915.ko corrupt text lines at top, [drm] GPU HANG: ecode 2:0:0x037fffc1, reason: Ring hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96473#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - i915.ko corrupt text lines at top, [drm] GPU HANG: ecode 2:0:0x037fffc1, reason: Ring hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96473">bug 96473</a>
from <span class="vcard"><a class="email" href="mailto:fdporg@vega.pgw.jp" title="Taketo Kabe <fdporg@vega.pgw.jp>"> <span class="fn">Taketo Kabe</span></a>
</span></b>
<pre>By writing directly on /dev/fb0,
dd if=/dev/urandom bs=1024 of=/dev/fb0 count=384
doesn't have any screen change, but
dd if=/dev/urandom bs=1024 of=/dev/fb0 count=385
starts to render uramdom pixels following the freezed,garbled pixels.
Does this ring any bell?</pre>
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