Re: Possible mptsas regression post 3.5.0

2012-08-28 Thread John Drescher
> I wonder if we are preventing scsi_device_dev_release_usercontext() from > making forward progress? > > ...the attached patch should confirm this or give more info otherwise. > [ 148.960318] console [netcon0] enabled [ 148.960363] netconsole: network logging started [ 170.415487] mptbase: ioc

Re: Possible mptsas regression post 3.5.0

2012-08-28 Thread John Drescher
>> [ 174.758218] scsi_remove_target[0]: reap 0:0 state: 2 reap: 1 dev_del: 1 > > Thanks! Does the attached patch fix the issue for you? > That worked! [ 169.402990] netconsole: network logging started [ 200.903700] mptbase: ioc0: LogInfo(0x31110d00): Originator={PL}, Code={Reset}, SubCode(0x0

Re: Possible mptsas regression post 3.5.0

2012-08-24 Thread John Drescher
On Thu, Aug 23, 2012 at 1:34 PM, John Drescher wrote: > Over the last few weeks I have done some reliability testing with > mdraid6 on a machine with 2 lsi mptsas controllers and 13 SATA I > drives. My testing involved physically hot removing a drive forcing > the raid to grab a spare

Re: Possible mptsas regression post 3.5.0

2012-08-27 Thread John Drescher
On Fri, Aug 24, 2012 at 3:34 PM, John Drescher wrote: > On Thu, Aug 23, 2012 at 1:34 PM, John Drescher wrote: >> Over the last few weeks I have done some reliability testing with >> mdraid6 on a machine with 2 lsi mptsas controllers and 13 SATA I >> drives. My testing in

Re: Possible mptsas regression post 3.5.0

2012-08-27 Thread John Drescher
>> I have bisected it down to the following patch: >> >> Bisecting: 0 revisions left to test after this (roughly 0 steps) >> [10f8d5b86743b33d841a175303e2bf67fd620f42] SCSI: fix hot unplug vs >> async scan race >> >> It appears this patch caused the bad behavior although I have not >> tested that y

mdraid6 problem post 3.5.0

2012-08-17 Thread John Drescher
For the last few weeks I have been doing some reliability testing on a mdraid6 array. One of my test was to physically hot remove a raid member disk. This worked flawlessly with gentoo-sources-3.5.0 for the 5 or so times I tried it with my 12 disk + 1 spare mdraid6 array. After pulling a disk a fe

Re: mdraid6 problem post 3.5.0

2012-08-17 Thread John Drescher
On Fri, Aug 17, 2012 at 6:30 PM, John Drescher wrote: > For the last few weeks I have been doing some reliability testing on a > mdraid6 array. One of my test was to physically hot remove a raid > member disk. This worked flawlessly with gentoo-sources-3.5.0 for the > 5 or so time

btrfs hung tasks

2013-10-12 Thread John Drescher
I am trying to debug this problem since it appears this is causing mythtv to truncate recordings on top of other very long delays. # uname -a Linux jmd0.comcast.net 3.11.4-gentoo-jmd0 #1 SMP PREEMPT Mon Oct 7 21:04:44 EDT 2013 x86_64 Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz GenuineIntel GNU/Li