Re: System deadlock when using mksnap_ffs

2008-11-14 Thread Greg Byshenk
On Thu, Nov 13, 2008 at 05:08:10PM +0100, Greg Byshenk wrote: > On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > > > The rest of the below information is good -- but I'm confused about > > something: is there anyone out there who can use mksnap_ffs on a > > filesystem (/usr is a

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Patrick Reich
I'll just chime in briefly. I contacted Jeremy off the list about this issue a few days ago. I have one spare box i386 sitting here that I can happily test patches against; if I can be of help, let me know. > uname -a FreeBSD localhost.localdomain 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #0: Tue N

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Doug Ambrisko
Kostik Belousov writes: | On Thu, Nov 13, 2008 at 02:45:14AM -0800, Jeremy Chadwick wrote: [snip] | > If he can press Control-T, it means SIGINFO can be sent to the | > mksnap_ffs process, and the process responds with that information. So, | > the system is not deadlocked -- meaning, I be

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Greg Byshenk
On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > The rest of the below information is good -- but I'm confused about > something: is there anyone out there who can use mksnap_ffs on a > filesystem (/usr is a good test source) and NOT experience this > deadlocking problem? Liter

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Kostik Belousov
On Thu, Nov 13, 2008 at 02:45:14AM -0800, Jeremy Chadwick wrote: > On Thu, Nov 13, 2008 at 12:26:42PM +0200, Kostik Belousov wrote: > > On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > > > On Thu, Nov 13, 2008 at 12:41:02AM +, Tim Bishop wrote: > > > > On Wed, Nov 12, 2008 at

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Jeremy Chadwick
On Thu, Nov 13, 2008 at 12:26:42PM +0200, Kostik Belousov wrote: > On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > > On Thu, Nov 13, 2008 at 12:41:02AM +, Tim Bishop wrote: > > > On Wed, Nov 12, 2008 at 09:47:35PM +0200, Kostik Belousov wrote: > > > > On Wed, Nov 12, 2008 at

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Kostik Belousov
On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > On Thu, Nov 13, 2008 at 12:41:02AM +, Tim Bishop wrote: > > On Wed, Nov 12, 2008 at 09:47:35PM +0200, Kostik Belousov wrote: > > > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > > > I've been playing around with

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Jeremy Chadwick
On Wed, Nov 12, 2008 at 10:05:21PM -0800, Jeremy Chadwick wrote: > On Wed, Nov 12, 2008 at 09:02:50PM -0800, David Wolfskill wrote: > > On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > > > ... > > > > > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > > > > > I've b

Re: System deadlock when using mksnap_ffs

2008-11-13 Thread Tim Bishop
Jeremy, On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > On Thu, Nov 13, 2008 at 12:41:02AM +, Tim Bishop wrote: > > On Wed, Nov 12, 2008 at 09:47:35PM +0200, Kostik Belousov wrote: > > > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > > > I run the mksnap_ffs

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Kevin Day
(moving my thread from -fs to -stable) Before touching anything, here's a description of the symptoms I see... Rather busy system, with quite a bit of filesystem activity occurring while the snapshot is being made. Quad CPU amd64 box with 16GB of ram, 6x10Krpm RAID array. Should be reason

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Peter Jeremy
On 2008-Nov-12 20:47:37 -0800, Doug Ambrisko <[EMAIL PROTECTED]> wrote: >I plan to commit it tomorrow since I sent it to Tim to test. The 10 can >be tuned but it has kept a bunch of machines at work up. Glad people >don't think it is that it is to wrong :-) It probably could be made >a little

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Wilko Bulte
Quoting Jeremy Chadwick, who wrote on Wed, Nov 12, 2008 at 08:42:00PM -0800 .. > On Thu, Nov 13, 2008 at 12:41:02AM +, Tim Bishop wrote: > > On Wed, Nov 12, 2008 at 09:47:35PM +0200, Kostik Belousov wrote: > > > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > > > I've been playi

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Jeremy Chadwick
On Wed, Nov 12, 2008 at 09:02:50PM -0800, David Wolfskill wrote: > On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > > ... > > > > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > > > > I've been playing around with snapshots lately but I've got a problem > > > > >

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Doug Ambrisko
Kostik Belousov writes: | On Wed, Nov 12, 2008 at 07:49:28PM +, Tim Bishop wrote: | > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: | > > I run the mksnap_ffs command to take the snapshot and some time later | > > the system completely freezes up: | > > | > > paladin# cd /u2/.sna

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread David Wolfskill
On Wed, Nov 12, 2008 at 08:42:00PM -0800, Jeremy Chadwick wrote: > ... > > > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > > > I've been playing around with snapshots lately but I've got a problem on > > > > one of my servers running 7-STABLE amd64: > > > > > > > > FreeBSD paladi

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Doug Ambrisko
Jeremy Chadwick writes: [snip] | The rest of the below information is good -- but I'm confused about | something: is there anyone out there who can use mksnap_ffs on a | filesystem (/usr is a good test source) and NOT experience this | deadlocking problem? Literally *every* FreeBSD box I h

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Jeremy Chadwick
On Thu, Nov 13, 2008 at 12:41:02AM +, Tim Bishop wrote: > On Wed, Nov 12, 2008 at 09:47:35PM +0200, Kostik Belousov wrote: > > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > > I've been playing around with snapshots lately but I've got a problem on > > > one of my servers runni

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Tim Bishop
On Wed, Nov 12, 2008 at 09:47:35PM +0200, Kostik Belousov wrote: > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > I've been playing around with snapshots lately but I've got a problem on > > one of my servers running 7-STABLE amd64: > > > > FreeBSD paladin 7.1-PRERELEASE FreeBSD 7

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Kostik Belousov
On Wed, Nov 12, 2008 at 07:49:28PM +, Tim Bishop wrote: > On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > > I run the mksnap_ffs command to take the snapshot and some time later > > the system completely freezes up: > > > > paladin# cd /u2/.snap/ > > paladin# mksnap_ffs /u2 test.

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Tim Bishop
On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > I run the mksnap_ffs command to take the snapshot and some time later > the system completely freezes up: > > paladin# cd /u2/.snap/ > paladin# mksnap_ffs /u2 test.1 Someone (not named because they choose not to reply to the list) gave

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Kostik Belousov
On Wed, Nov 12, 2008 at 05:58:26PM +, Tim Bishop wrote: > I've been playing around with snapshots lately but I've got a problem on > one of my servers running 7-STABLE amd64: > > FreeBSD paladin 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #8: Mon Nov 10 20:49:51 > GMT 2008 [EMAIL PROTECTED]:/usr/ob

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Jeremy Chadwick
On Wed, Nov 12, 2008 at 06:22:35PM +, Tim Bishop wrote: > On Wed, Nov 12, 2008 at 08:10:50PM +0200, David Peall wrote: > > > FreeBSD paladin 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #8: Mon Nov 10 > > > 20:49:51 GMT 2008 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/PALADIN amd64 > > > > > > I run the

Re: System deadlock when using mksnap_ffs

2008-11-12 Thread Tim Bishop
On Wed, Nov 12, 2008 at 08:10:50PM +0200, David Peall wrote: > > FreeBSD paladin 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #8: Mon Nov 10 > > 20:49:51 GMT 2008 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/PALADIN amd64 > > > > I run the mksnap_ffs command to take the snapshot and some time later > > the sy

RE: System deadlock when using mksnap_ffs

2008-11-12 Thread David Peall
> -Original Message- > From: [EMAIL PROTECTED] [mailto:owner-freebsd- > [EMAIL PROTECTED] On Behalf Of Tim Bishop > Sent: 12 November 2008 07:58 PM > To: freebsd-stable@freebsd.org > Cc: [EMAIL PROTECTED] > Subject: System deadlock when using mksnap_ffs > > Fre

System deadlock when using mksnap_ffs

2008-11-12 Thread Tim Bishop
I've been playing around with snapshots lately but I've got a problem on one of my servers running 7-STABLE amd64: FreeBSD paladin 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #8: Mon Nov 10 20:49:51 GMT 2008 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/PALADIN amd64 I run the mksnap_ffs command to take the