Hello Jim,

On Sun, Mar 25, 2001 at 07:20:04PM -0500, Jim Bloom wrote:
> I get a slightly different backtrace, but was able to use my palm pilot as the
> serial console.  I have had this same problem for quit a while (about a month).
> I suspect a locking issue related to Seigo Tanimura's commit on Feb 25.  My last
> cvsup was within the past 24 hours and the kernel was built in a clean
> directory.

Yes, same experience here. But I unfortunately did not have a serial
console handy. Tanimura's commits on March 14th were supposed to help the
situation, but they appearently haven't...:-(
> I can try to get more information if necessary.

I am still trying to figure out how to get more. I am not good with ddb,
and since the machine will not dump, gdb is not usable locally. (And again,
no serial connection handy:-( 'show witness' and 'show mutex' come to mind
as two more things I will try in ddb.

> trace
> _mtx_lock_sleep(c0ecda08,0,c036d471,268) at _mtx_lock_sleep+0x29a
> mpu_uartmode(c0ecda00) at mpu_uartmode+0x63
> mpu_attach(c0ebd100,c0ebd100,c0ebd100,c0e67080,c04e675c) at mpu_attach+0x25
> mpusbc_attach(c0ebd100,c0ebd100,c0ea5ac0,c036e926,1) at mpusbc_attach+0x19
> device_probe_and_attach(c0ebd100) at device_probe_and_attach+0x9a
> bus_generic_attach(c0ea2000,c0ebd080,c0ea5ac0,c0ea2000,c036e935) at
> bus_generic_attach+0x16
> sbc_attach(c0ea2000,c0eadb00,c0ea2000,7,0) at sbc_attach+0x3cc
> device_probe_and_attach(c0ea2000,c0404c4c,c03f9030,4eb000,c0eadb00) at
> device_probe_and_attach+0x9a
> isa_probe_children(c0ea2980,c04e6ff8,c01b1f74,0,4e4c00) at
> isa_probe_children+0x143
> configure(0,4e4c00,4e4000,0,c01277d2) at configure+0x39
> mi_startup() at mi_startup+0x68
> begin() at begin+0x29

Yes, I think we are looking at the same thing.

Szilveszter ADAM
Szeged University
Szeged Hungary

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