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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW/BYT/BDW Bisected ]system sporadically boot fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81140#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW/BYT/BDW Bisected ]system sporadically boot fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81140">bug 81140</a>
from <span class="vcard"><a class="email" href="mailto:lei.a.liu@intel.com" title="liulei <lei.a.liu@intel.com>"> <span class="fn">liulei</span></a>
</span></b>
<pre>My simply debug as below,
With bad commit, below file will go to wrong place.
(-fixes branch: 92ae62076957c5904509f755eea0075ad60f74c6)
drivers/video/fbdev/core/fbmem.c line:1696
function "static int do_unregister_framebuffer(struct fb_info *fb_info)"
will return -EINVAL, because of this line code:
if (i < 0 || i >= FB_MAX || registered_fb[i] != fb_info)
more detail: it is "registered_fb[i] != fb_info" cause function return -EINVAL</pre>
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