Re: panic assertion "!cv_has_waiters(&bp->b_done) vfs_subr2.c

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

Sarton O'Brien wrote:
> Updated just prior to building.
>
> NetBSD sammy.internal 4.99.65 NetBSD 4.99.65 (XEN3_DOMU) #2: Wed Jun 18 
> 10:55:01 EST 2008  
> root%spike.internal@localhost:/usr/obj/sys/arch/amd64/compile/XEN3_DOMU amd64
>
> Jun 18 11:30:55 babylon powerd[249]: open /dev/power: Device not configured
> Starting sshd.
> Starting nmbd.
> Starting smbd.
> postfix/postfix-script: starting the Postfix mail system
> Starting mldonkey.
> Starting cron.
> Wed Jun 18 11:30:58 EST 2008
> panic: kernel diagnostic assertion "!cv_has_waiters(&bp->b_done)" 
> failed: file "/usr/src/sys/kern/vfs_subr2.c", line 551
> fatal breakpoint trap in supervisor mode
> trap type 1 code 0 rip ffffffff80363c65 cs e030 rflags 246 cr2  ac4f44 
> cpl 0 rsp ffffa00012bc0a70
> Stopped in pid 0.4 (system) at  netbsd:breakpoint+0x5:  leave
> breakpoint() at netbsd:breakpoint+0x5
> panic() at netbsd:panic+0x255
> __kernassert() at netbsd:__kernassert+0x2d
> reassignbuf() at netbsd:reassignbuf+0x1a4
> softdep_disk_write_complete() at netbsd:softdep_disk_write_complete+0x721
> biodone2() at netbsd:biodone2+0x19
> biointr() at netbsd:biointr+0x31
> softint_thread() at netbsd:softint_thread+0x88
> ds          0xa80
> es          0xe02b
> fs          0xa30
> gs          0x207
> rdi         0
> rsi         0xd
> rbp         0xffffa00012bc0a70
> rbx         0xffffa00012bc0a80
> rdx         0
> rcx         0
> rax         0x1
> r8          0xffffffff805771c0  cpu_info_primary
> r9          0x1
> r10         0xffffa00012bc0990
> r11         0xffffffff8037b640  xenconscn_putc
> r12         0x100
> r13         0xffffffff80467be0  copyright+0x88aa0
> r14         0
> r15         0x1
> rip         0xffffffff80363c65  breakpoint+0x5
> cs          0xe030
> rflags      0x246
> rsp         0xffffa00012bc0a70
> ss          0xe02b
> netbsd:breakpoint+0x5:  leave
> db>

I exactly got this, too - but in the Dom0.
It was idling over night with one DomU idling.

Christoph