Re: Panic - FFS background buffer bla bla

Kris Kennaway wrote:

>On Wed, Feb 09, 2005 at 09:54:36PM -0600, Eric Anderson wrote:
>  
>
>>I just switched from 5.3-STABLE to 6.0-CURRENT on my laptop, and after 
>>doing the recommended path of upgrading (in /usr/src/UPDATING), I get 
>>this on boot:
>>
>>(background fsck runs on /, then spits out warning about /home not 
>>properly dismounted)
>>then:
>>panic: FFS background buffer should not get here 0xd19e6928
>>cpuid = 0
>>KDB: enter: panic
>>[thread pid 126 tid 100079]
>>
>>
>>Any hints?
>>    
>>
>
>Backtrace?
>  
>

After rebooting (with a console plugged in), I get this:
Fast boot: skipping disk checks.
panic: panic: thread 100079(cp):2 holds Giant but isn't blocked on a lock

cpuid = 0
KDB: enter: panic
[thread pid 27 tid 100001 ]
Stopped at      kdb_enter+0x30: leave

Backtrace:
Tracing pid 27 tid 100001 td 0xc2211170
kdb_enter(c0979fd7,0,c097b542,311,c2211170) at kdb_enter+0x30
panic(c097d225,186ef,c255d57c,2,c098bfd2) at panic+0x14e
propagate_priority(c2211170,0,c097d184,254,c0a4b950) at 
propagate_priority+0x158

turnstile_wait(c0a44e00,c255ecf0,c09793e7,216,c0a44e00) at 
turnstile_wait+0x39d
_mtx_lock_sleep(c0a44e00,c2211170,0,c097b054,106) at _mtx_lock_sleep+0x191
_mtx_lock_flags(c0a44e00,0,c097b054,106,c07588b0) at _mtx_lock_flags+0xc0
softclock(0,0,c0977972,256,c0a44dc0) at softclock+0x1c4
ithread_loop(c224e580,dc848d48,c097775d,30e,0) at ithread_loop+0x172
fork_exit(c06c4580,c224e580,dc848d48) at fork_exit+0xc6
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xdc848d7c, ebp = 0 ---

Hope that helps.. Anything else I can give you?

Eric