Re: Panic (rwlock error)

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

remi_zara%mac.com@localhost wrote:

> My cobalt qube2 is panicing quite often (every few days). But it does  
> not reboot. It gets stuck in syncing disks.
> Here is a capture of the last panic:
> 
> Oct 16 18:31:56 qube2 sshd[1612]: fatal: Timeout before authentication  
> for xxx.xxx.xx.xxx
> Reader / writer lock error: rw_vector_enter: locking against myself
> 
> lock address : 0x00000000c005a65c
> current cpu  :                  0
> current lwp  : 0x0000000084ed4d60
> owner/count  : 0x0000000084ed4d60 flags    : 0x0000000000000004
> 
> panic: lock error
> Begin traceback...
> pid -869090792 not found
> End traceback...
> syncing disks...

Looks some memory corruption, but needs more info.

- could you try more recent -current kernel?
ftp://ftp.netbsd.org/pub/NetBSD-daily/HEAD/200810180002Z/cobalt/binary/kernel/
- if it also fails, it's worth to try a kernel with some debug options
  (options DIAGNOSTIC, options LOCKDEBUG etc.)

---
Izumi Tsutsui