Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-05-28 Thread Phillip Susi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi Jens, did this get lost in the shuffle, or just miss the window for 3.10 and will go in 3.11? On 4/4/2013 4:30 PM, Phillip Susi wrote: >> I have not tested it yet, but I am pretty sure it won't work. >> It looks like the patch changes the

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-05-28 Thread Phillip Susi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi Jens, did this get lost in the shuffle, or just miss the window for 3.10 and will go in 3.11? On 4/4/2013 4:30 PM, Phillip Susi wrote: I have not tested it yet, but I am pretty sure it won't work. It looks like the patch changes the BLKRRPART

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-10 Thread Jens Axboe
On Tue, Apr 09 2013, Dave Chinner wrote: > On Tue, Apr 09, 2013 at 09:01:39AM +0200, Jens Axboe wrote: > > On Tue, Apr 09 2013, Dave Chinner wrote: > > > On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: > > > > > I have not tested it yet, but I am pretty sure it won't work. It > > >

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-10 Thread Jens Axboe
On Tue, Apr 09 2013, Dave Chinner wrote: On Tue, Apr 09, 2013 at 09:01:39AM +0200, Jens Axboe wrote: On Tue, Apr 09 2013, Dave Chinner wrote: On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: I have not tested it yet, but I am pretty sure it won't work. It looks like

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-09 Thread Dave Chinner
On Tue, Apr 09, 2013 at 09:01:39AM +0200, Jens Axboe wrote: > On Tue, Apr 09 2013, Dave Chinner wrote: > > On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: > > > > I have not tested it yet, but I am pretty sure it won't work. It > > > > looks like the patch changes the BLKRRPART path

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-09 Thread Jens Axboe
On Tue, Apr 09 2013, Dave Chinner wrote: > On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: > > > I have not tested it yet, but I am pretty sure it won't work. It > > > looks like the patch changes the BLKRRPART path to go ahead and remove > > > existing partitions when

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-09 Thread Dave Chinner
On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: > > I have not tested it yet, but I am pretty sure it won't work. It > > looks like the patch changes the BLKRRPART path to go ahead and remove > > existing partitions when GENHD_FL_NO_PARTSCAN is set. loop doesn't > > issue the

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-09 Thread Dave Chinner
On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: I have not tested it yet, but I am pretty sure it won't work. It looks like the patch changes the BLKRRPART path to go ahead and remove existing partitions when GENHD_FL_NO_PARTSCAN is set. loop doesn't issue the BLKRRPART

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-09 Thread Jens Axboe
On Tue, Apr 09 2013, Dave Chinner wrote: On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: I have not tested it yet, but I am pretty sure it won't work. It looks like the patch changes the BLKRRPART path to go ahead and remove existing partitions when GENHD_FL_NO_PARTSCAN is

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-09 Thread Dave Chinner
On Tue, Apr 09, 2013 at 09:01:39AM +0200, Jens Axboe wrote: On Tue, Apr 09 2013, Dave Chinner wrote: On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: I have not tested it yet, but I am pretty sure it won't work. It looks like the patch changes the BLKRRPART path to go

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-04 Thread Phillip Susi
> I have not tested it yet, but I am pretty sure it won't work. It > looks like the patch changes the BLKRRPART path to go ahead and remove > existing partitions when GENHD_FL_NO_PARTSCAN is set. loop doesn't > issue the BLKRRPART ioctl when !LO_FLAGS_PARTSCAN so this won't help. > I think loop

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-04 Thread Phillip Susi
I have not tested it yet, but I am pretty sure it won't work. It looks like the patch changes the BLKRRPART path to go ahead and remove existing partitions when GENHD_FL_NO_PARTSCAN is set. loop doesn't issue the BLKRRPART ioctl when !LO_FLAGS_PARTSCAN so this won't help. I think loop

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-03 Thread Phillip Susi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 4/3/2013 7:41 AM, Jens Axboe wrote: >> Thanks for testing! I don't particularly like this stuff in >> loop, though. It's quite nasty and depends on other behaviour. It >> would be prettier if we just had rescan_partitions() do the right >> thing,

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-03 Thread Jens Axboe
"LKML" > > > > > > Sent: Tuesday, April 2, 2013 5:00:47 PM > > > Subject: Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 > > > running xfstests case #78] > > > > > > On Tue, Apr 02 2013, CAI Qian wrote: > > > > &g

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-03 Thread Jens Axboe
, April 2, 2013 5:00:47 PM Subject: Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78] On Tue, Apr 02 2013, CAI Qian wrote: - Original Message - From: Jens Axboe ax...@kernel.dk To: Dave Chinner da...@fromorbit.com

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-03 Thread Phillip Susi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 4/3/2013 7:41 AM, Jens Axboe wrote: Thanks for testing! I don't particularly like this stuff in loop, though. It's quite nasty and depends on other behaviour. It would be prettier if we just had rescan_partitions() do the right thing, and only

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
t; > > > To: "Dave Chinner" > > > > Cc: "CAI Qian" , x...@oss.sgi.com, "LKML" > > > > > > > > Sent: Tuesday, April 2, 2013 3:30:35 PM > > > > Subject: Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 &g

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread CAI Qian
- Original Message - > From: "Jens Axboe" > To: "CAI Qian" > Cc: "Dave Chinner" , x...@oss.sgi.com, "LKML" > > Sent: Tuesday, April 2, 2013 5:00:47 PM > Subject: Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 runnin

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
On Tue, Apr 02 2013, CAI Qian wrote: > > > - Original Message - > > From: "Jens Axboe" > > To: "Dave Chinner" > > Cc: "CAI Qian" , x...@oss.sgi.com, "LKML" > > > > Sent: Tuesday, April 2, 2013 3:30:35 PM

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread CAI Qian
- Original Message - > From: "Jens Axboe" > To: "Dave Chinner" > Cc: "CAI Qian" , x...@oss.sgi.com, "LKML" > > Sent: Tuesday, April 2, 2013 3:30:35 PM > Subject: Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 ru

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
On Tue, Apr 02 2013, Jens Axboe wrote: > On Tue, Apr 02 2013, Dave Chinner wrote: > > [Added jens Axboe to CC] > > > > On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian wrote: > > > Saw on almost all the servers range from x64, ppc64 and s390x with kernel > > > 3.9-rc5 and xfsprogs-3.1.10. Never

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
On Tue, Apr 02 2013, Dave Chinner wrote: > [Added jens Axboe to CC] > > On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian wrote: > > Saw on almost all the servers range from x64, ppc64 and s390x with kernel > > 3.9-rc5 and xfsprogs-3.1.10. Never caught this in 3.9-rc4, so looks like > >

Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Dave Chinner
[Added jens Axboe to CC] On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian wrote: > Saw on almost all the servers range from x64, ppc64 and s390x with kernel > 3.9-rc5 and xfsprogs-3.1.10. Never caught this in 3.9-rc4, so looks like > something new broke this. Log is here with sysrq debug info.

Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Dave Chinner
[Added jens Axboe to CC] On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian wrote: Saw on almost all the servers range from x64, ppc64 and s390x with kernel 3.9-rc5 and xfsprogs-3.1.10. Never caught this in 3.9-rc4, so looks like something new broke this. Log is here with sysrq debug info.

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
On Tue, Apr 02 2013, Dave Chinner wrote: [Added jens Axboe to CC] On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian wrote: Saw on almost all the servers range from x64, ppc64 and s390x with kernel 3.9-rc5 and xfsprogs-3.1.10. Never caught this in 3.9-rc4, so looks like something new

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
On Tue, Apr 02 2013, Jens Axboe wrote: On Tue, Apr 02 2013, Dave Chinner wrote: [Added jens Axboe to CC] On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian wrote: Saw on almost all the servers range from x64, ppc64 and s390x with kernel 3.9-rc5 and xfsprogs-3.1.10. Never caught this

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread CAI Qian
- Original Message - From: Jens Axboe ax...@kernel.dk To: Dave Chinner da...@fromorbit.com Cc: CAI Qian caiq...@redhat.com, x...@oss.sgi.com, LKML linux-kernel@vger.kernel.org Sent: Tuesday, April 2, 2013 3:30:35 PM Subject: Re: Loopback device hung [was Re: xfs deadlock on 3.9

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78] On Tue, Apr 02 2013, Jens Axboe wrote: On Tue, Apr 02 2013, Dave Chinner wrote: [Added jens Axboe to CC] On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian wrote: Saw on almost all the servers

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread CAI Qian
, 2013 3:30:35 PM Subject: Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78] On Tue, Apr 02 2013, Jens Axboe wrote: On Tue, Apr 02 2013, Dave Chinner wrote: [Added jens Axboe to CC] On Tue, Apr 02, 2013 at 02:08:49AM -0400, CAI Qian

Re: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78]

2013-04-02 Thread Jens Axboe
: Loopback device hung [was Re: xfs deadlock on 3.9-rc5 running xfstests case #78] On Tue, Apr 02 2013, CAI Qian wrote: - Original Message - From: Jens Axboe ax...@kernel.dk To: Dave Chinner da...@fromorbit.com Cc: CAI Qian caiq...@redhat.com, x...@oss.sgi.com, LKML