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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [GM45, bisected, SNA] X won't start"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79909#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [GM45, bisected, SNA] X won't start"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79909">bug 79909</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>If I know which bug you are talking about, it is not actually a bug in the DDX
or even X. But the kernel hangs when X tries to VT switch. If you do have ssh,
you could grab the log (so I presume you don't!) and could even attach gdb to
verify where the hang occurs.
This prevents the kernel bug from causing X to hang:
index 2bd78e2..a7bdc4b 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -684,7 +684,8 @@ int vt_ioctl(struct tty_struct *tty,
console_unlock();
if (ret)
break;
- set_console(arg);
+ if (set_console(arg))
+ ret = -EIO;
}
break;</pre>
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