Hello everybody,
we're having a curious issue with a machine we recently upgraded to
10.3-RELEASE-p5.
The machine is a pretty "stupid" MX with just sendmail running and
delivering locally mails to an LMTP instance (dbmail lmtp). For various
reasons we don't have a "demonized" LMTPd but we use I
Ok.. to reply to my own message, I using ktr and debugging printfs I have
found the culprit.. but I am still at a loss to 'why', or what the
appropriate fix is.
Lets go back to the panic (simplified)
#0 0x8043f160 at kdb_backtrace+0x60
#1 0x80401454 at vpanic+0x124
#2 0x80
On Wed, Jul 06, 2016 at 10:51:28AM -0400, David Cross wrote:
> Ok.. to reply to my own message, I using ktr and debugging printfs I have
> found the culprit.. but I am still at a loss to 'why', or what the
> appropriate fix is.
>
> Lets go back to the panic (simplified)
>
> #0 0x8043f160
No kernel messages before (if there were I would have written this off a
long time ago);
And as of right now, this is probably the most fsck-ed filesystem on the
planet!.. I have an 'image' that I am going on that is ggate mounted, so I
can access it in a bhyve VM to ease debuging so I am not crash
Oh, whoops; how do I printout the buffer?
On Wed, Jul 6, 2016 at 11:30 AM, David Cross wrote:
> No kernel messages before (if there were I would have written this off a
> long time ago);
> And as of right now, this is probably the most fsck-ed filesystem on the
> planet!.. I have an 'image' that
On Wed, Jul 06, 2016 at 12:02:00PM -0400, David Cross wrote:
> Oh, whoops; how do I printout the buffer?
In kgdb, p/x *(struct buf *)address
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(kgdb) up 5
#5 0x804aafa1 in brelse (bp=0xfe00f77457d0) at buf.h:428
428 (*bioops.io_deallocate)(bp);
Current language: auto; currently minimal
(kgdb) p/x *(struct buf *)0xfe00f77457d0
$1 = {b_bufobj = 0xf80002e88480, b_bcount = 0x4000, b_caller1 = 0x0,
b
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On Wed, Jul 06, 2016 at 02:21:20PM -0400, David Cross wrote:
> (kgdb) up 5
> #5 0x804aafa1 in brelse (bp=0xfe00f77457d0) at buf.h:428
> 428 (*bioops.io_deallocate)(bp);
> Current language: auto; currently minimal
> (kgdb) p/x *(struct buf *)0xfe00f77457d0
> $1
