From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.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
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https://bugzilla.kernel.org/show_bug.cgi?id=62541
--- Comment #1 from Adrian Byszuk ---
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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