Panic on -CURRENT after LDT changes
Joe Marcus Clarke
marcus at marcuscom.com
Fri May 25 23:34:41 UTC 2007
On Sat, 2007-05-26 at 00:50 +0200, Attilio Rao wrote:
> Joe Marcus Clarke wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> >
> > Thanks. I just finished building a PREEMPTION-less kernel. I'll hold
> > off on the test until I get your patch.
>
> Hello Joe,
> can you please try this patch:
> http://users.gufi.org/~rookie/works/patches/sys_machdep.diff
>
> maybe using with and without PREEMPTION?
With PREEMPTION yields a new crash:
panic: blockable sleep lock (sleep mutex) system map
@ /usr/src/sys/vm/vm_map.c:2395
Uptime: 2m11s
Physical memory: 2022 MB
Dumping 82 MB: 67 51 35 19 3
#0 sched_switch (td=0xc07d1020, newtd=0xc4c70360, flags=1)
at /usr/src/sys/kern/sched_4bsd.c:933
933 sched_lock.mtx_lock = (uintptr_t)td;
(kgdb) bt
#0 sched_switch (td=0xc07d1020, newtd=0xc4c70360, flags=1)
at /usr/src/sys/kern/sched_4bsd.c:933
#1 0xc0567a1d in mi_switch (flags=Variable "flags" is not available.
) at /usr/src/sys/kern/kern_synch.c:464
#2 0xc06c8c90 in scheduler (dummy=0x0) at /usr/src/sys/vm/vm_glue.c:724
#3 0xc052e676 in mi_startup () at /usr/src/sys/kern/init_main.c:250
#4 0xc0438e15 in begin () at /usr/src/sys/i386/i386/locore.s:348
#0 sched_switch (td=0xc07d1020, newtd=0xc4c70360, flags=1)
at /usr/src/sys/kern/sched_4bsd.c:933
p = (struct proc *) 0xc07d0de0
#1 0xc0567a1d in mi_switch (flags=Variable "flags" is not available.
) at /usr/src/sys/kern/kern_synch.c:464
new_switchtime = 153236108634
td = (struct thread *) 0xc07d1020
p = (struct proc *) 0xc07d0de0
__func__ = "mi_switch"
#2 0xc06c8c90 in scheduler (dummy=0x0) at /usr/src/sys/vm/vm_glue.c:724
p = (struct proc *) 0x0
td = Variable "td" is not available.
I will rebuild without PREEMPTION, and let you know. Note: I am no
longer have console access, so live debugging is out until Tuesday.
Joe
>
> Thanks,
> Attilio
>
--
PGP Key : http://www.marcuscom.com/pgp.asc
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