From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 62541] Kernel oops/panic during system boot with systemd - "Unable to handle kernel NULL pointer dereference"
Date: Sat, 05 Oct 2013 08:14:45 +0000 [thread overview]
Message-ID: <bug-62541-2300-w53h1LY7h5@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-62541-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=62541
--- Comment #1 from Adrian Byszuk <a.byszuk@elka.pw.edu.pl> ---
OK, I was able to track down the problem more precisely.
In my rc.local I have:
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
for switching discrete graphics after boot. With this line booting fails.
But when I change it to:
sleep 5
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
kernel is booting just fine.
So I think the problem is that systemd is, unlike the old init, executing
rc.local just in the beginning which switches discrete graphics just in the
beginning of system startup.
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next prev parent reply other threads:[~2013-10-05 8:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-05 6:50 [Bug 62541] New: Kernel oops/panic during system boot with systemd - "Unable to handle kernel NULL pointer dereference" bugzilla-daemon
2013-10-05 6:51 ` [Bug 62541] " bugzilla-daemon
2013-10-05 8:14 ` bugzilla-daemon [this message]
2014-06-20 4:11 ` bugzilla-daemon
2017-03-06 20:22 ` bugzilla-daemon
2017-03-08 11:21 ` bugzilla-daemon
2017-08-03 9:40 ` bugzilla-daemon
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