Re: System hanging during dump

2008-11-02 Thread Kostik Belousov
On Sun, Nov 02, 2008 at 07:37:05PM +1100, Peter Jeremy wrote: > Sorry for the late reply. > > On 2008-Oct-19 11:39:02 +0300, Kostik Belousov <[EMAIL PROTECTED]> wrote: > >> I have built myself a looping 'ps -axl' which should let me gather more > >> information if it does re-appear. (In the proce

Re: System hanging during dump

2008-11-02 Thread Peter Jeremy
Sorry for the late reply. On 2008-Oct-19 11:39:02 +0300, Kostik Belousov <[EMAIL PROTECTED]> wrote: >> I have built myself a looping 'ps -axl' which should let me gather more >> information if it does re-appear. (In the process, I've found that ps >> leaks memory, though that's not a problem unti

Re: System hanging during dump

2008-10-19 Thread Kostik Belousov
On Sun, Oct 19, 2008 at 02:21:04PM +1100, Peter Jeremy wrote: > On 2008-Oct-15 21:37:36 +0100, Kris Kennaway <[EMAIL PROTECTED]> wrote: > >Peter, there was a bug causing dump to hang (completely unrelated to > >UFS2 snapshot generation) merged to RELENG_7 a month or so ago. Can you > >try updati

Re: System hanging during dump

2008-10-18 Thread Peter Jeremy
On 2008-Oct-15 21:37:36 +0100, Kris Kennaway <[EMAIL PROTECTED]> wrote: >Peter, there was a bug causing dump to hang (completely unrelated to >UFS2 snapshot generation) merged to RELENG_7 a month or so ago. Can you >try updating? Well, dump wasn't hanging, rather it was hanging the rest of the

Re: System hanging during dump

2008-10-15 Thread heliocentric
On 10/15/08, Alfred Perlstein <[EMAIL PROTECTED]> wrote: > * [EMAIL PROTECTED] <[EMAIL PROTECTED]> [081015 12:00] wrote: >> >> Perhaps a 'show locks' with an 8-CURRENT kernel with WITNESS enabled >> will shed light on the problem? As most of the filesystem locking >> doesn't use lockmgr in 7-STABLE

Re: System hanging during dump

2008-10-15 Thread Kris Kennaway
Jeremy Chadwick wrote: Has anyone else seen anything similar? It's a known problem documented in my Wiki -- see "dump/restore". Note the part about UFS2 snapshot generation. I'm almost certain this is what you're describing. I don't know how you can say this so confidently without even comp

Re: System hanging during dump

2008-10-15 Thread Alfred Perlstein
* [EMAIL PROTECTED] <[EMAIL PROTECTED]> [081015 12:00] wrote: > > Perhaps a 'show locks' with an 8-CURRENT kernel with WITNESS enabled > will shed light on the problem? As most of the filesystem locking > doesn't use lockmgr in 7-STABLE, it would be silent with that kernel. I might be wrong here,

Re: System hanging during dump

2008-10-15 Thread heliocentric
>> Based on progress reports from both dump and my fifo process, the >> snapshot removal began about 10 hours _after_ the system froze >> (during this time, dump wrote about 143GB). Given the timeline, >> it's fairly clear that neither mksnap_ffs nor the 'rm snapshot' >> were running at the time t

Re: System hanging during dump

2008-10-15 Thread Jeremy Chadwick
On Wed, Oct 15, 2008 at 08:48:09PM +1100, Peter Jeremy wrote: > On 2008-Oct-15 02:08:48 -0700, Jeremy Chadwick <[EMAIL PROTECTED]> wrote: > >On Wed, Oct 15, 2008 at 07:58:43PM +1100, Peter Jeremy wrote: > >> On 2008-Oct-15 01:35:38 -0700, Jeremy Chadwick <[EMAIL PROTECTED]> wrote: > >> >On Wed, Oct

Re: System hanging during dump

2008-10-15 Thread Peter Jeremy
On 2008-Oct-15 02:08:48 -0700, Jeremy Chadwick <[EMAIL PROTECTED]> wrote: >On Wed, Oct 15, 2008 at 07:58:43PM +1100, Peter Jeremy wrote: >> On 2008-Oct-15 01:35:38 -0700, Jeremy Chadwick <[EMAIL PROTECTED]> wrote: >> >On Wed, Oct 15, 2008 at 07:24:28PM +1100, Peter Jeremy wrote: >> >> Last night, I

Re: System hanging during dump

2008-10-15 Thread Jeremy Chadwick
On Wed, Oct 15, 2008 at 07:58:43PM +1100, Peter Jeremy wrote: > On 2008-Oct-15 01:35:38 -0700, Jeremy Chadwick <[EMAIL PROTECTED]> wrote: > >On Wed, Oct 15, 2008 at 07:24:28PM +1100, Peter Jeremy wrote: > >> Last night, I attempted a full, compressed backup of my 181GB /home > >> (on a PATA disk) t

Re: System hanging during dump

2008-10-15 Thread Peter Jeremy
On 2008-Oct-15 01:35:38 -0700, Jeremy Chadwick <[EMAIL PROTECTED]> wrote: >On Wed, Oct 15, 2008 at 07:24:28PM +1100, Peter Jeremy wrote: >> Last night, I attempted a full, compressed backup of my 181GB /home >> (on a PATA disk) to a remote system. The backup started at 2159 and >> everything appea

Re: System hanging during dump

2008-10-15 Thread Jeremy Chadwick
On Wed, Oct 15, 2008 at 07:24:28PM +1100, Peter Jeremy wrote: > Last night, I attempted a full, compressed backup of my 181GB /home > (on a PATA disk) to a remote system. The backup started at 2159 and > everything appeared normal until about 0040 when the system became > non-responsive and this l

System hanging during dump

2008-10-15 Thread Peter Jeremy
Last night, I attempted a full, compressed backup of my 181GB /home (on a PATA disk) to a remote system. The backup started at 2159 and everything appeared normal until about 0040 when the system became non-responsive and this lasted until the dump completed at 1033. This is the first full backup