Re: kern/42551: Lockdebug assert in wapbl when running zpool

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/42551; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/42551: Lockdebug assert in wapbl when running zpool
Date: Thu, 31 Dec 2009 17:17:25 +0000

 On Thu, Dec 31, 2009 at 09:10:00AM +0000, ober%netbsd.org@localhost wrote:
  > LOCKDEBUG/DIAGNOSTIC/DEBUG enabled GENERIC AMD64 from today
  > panics on command "zpool create pancake /dev/sd1a"
  > with
  > panic: kernel diagnostic assertion "rw_lock_held(&wl->wl_rwlock)" failed: 
file "/usr/src/sys/kern/vfs_wapbl.c", line 1542
  > __kernassert() at netbsd:__kernassert+0x2d
  > wapbl_add_buf() at netbsd:wapbl_add_buf+0x36
  > bdwrite() at netbsd:bdwrite+0xc2
  > ffs_update() at netbsd:ffs_update+0x1ce
  > ffs_full_fsync() at netbsd:ffs_full_fsync+0x38b
  > ffs_fsync() at netbsd:ffs_fsync+0x4b
  > VOP_FSYNC() at netbsd:VOP_FSYNC+0x70
  > vinvalbuf() at netbsd:vinvalbuf+0xee
  > spec_close() at netbsd:spec_close+0x82
 
 Just to confirm: your /dev is on a WAPBL volume? Or are we once again
 calling WAPBL ops on non-WAPBL fses?
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost