"sleeping without a mutex" panic with FixitCD from today's SNAP

Dmitry Morozovsky marck at rinet.ru
Sat Apr 10 12:41:36 PDT 2004

On Sat, 10 Apr 2004, Scott Long wrote:

SL> Cordula's Web wrote:
SL> >>Trying to boot freshly compiled (via current-on-stable vay, mostly described in
SL> >>http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&c2coff=1&selm=20040319034905.GA975%40doom.homeunix.org)
SL> >>-current LiveFS CD on three different machines (all i686-like, from AMD Duron
SL> >>600 on VIA KT133 to AthlonXP 2k+ on nVidia nForce2; all with ATACI CD/DVD) I
SL> >>got 100% reproducible ddb panic after mounting CD with "Fixit" menu item:
SL> >>
SL> >>panic: sleeping without a mutex
SL> >>at line 144 in file /usr/src/sys/kern/kern_synch.c
SL> >
SL> >
SL> > Same here, while trying to upgrade from 5.2.1-RELEASE to yesterday's
SL> > and today's -CURRENT. It happens here:
SL> >
SL> > # make installkernel KERNCONF=GENERIC
SL> > # reboot   (in single user mode)
SL> > # mount -a
SL> > # mergemaster -p
SL> > # make installworld
SL> > <panic: sleeping without a mutex
SL> > at line 144 in file /usr/src/sys/kern/kern_synch.c>
SL> >
SL> > The panic is 100% reproducible.
SL> Providing a backtrace from the debugger here is very important.  Any
SL> chance that you could do that?

My chances are pretty low, as I have no -current systems runnning. I cat write
ddb's traceback though if it's helpful (supposedly, I also can make serial
console for that).

D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***

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