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Re: port-i386/53621: i386 panics on boot

The following reply was made to PR port-i386/53621; it has been noted by GNATS.

From: Andreas Gustafsson <>
Subject: Re: port-i386/53621: i386 panics on boot
Date: Fri, 21 Sep 2018 13:10:18 +0300

 I bisected this, and according to the bisection, the problem started
 with nat's commit of src/sys/dev/isa/sbdsp.c 1.137 on CVS source date
 This is weird because the backtrace of the panic looks like it happens
 in the interrupt setup of the fd driver, and the sb driver does not
 appear in the backtrace.  However, another piece of evidence pointing
 towards sb is that using "boot -c" and "disable sb0" successfully
 boots kernels that otherwise panic.
 Andreas Gustafsson,

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