Re: [dm-devel] Regression in 3.15 on POWER8 with multipath SCSI

2014-07-09 Thread Junichi Nomura
On 07/09/14 12:55, Alexey Kardashevskiy wrote: On 07/08/2014 08:28 PM, Junichi Nomura wrote: It seems Bart's issue has gone with the attached patch: http://www.redhat.com/archives/dm-devel/2014-July/msg00035.html Could you try if it makes any difference on your issue? .. This patch fixes IPR

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-07-08 Thread Junichi Nomura
On 07/02/14 04:39, Mike Snitzer wrote: On Mon, Jun 30 2014 at 6:30am -0400, Paul Mackerras pau...@samba.org wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20 cores (thus 160 CPUs), 128GB of RAM, and 7

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-07-08 Thread Alexey Kardashevskiy
On 07/08/2014 08:28 PM, Junichi Nomura wrote: On 07/02/14 04:39, Mike Snitzer wrote: On Mon, Jun 30 2014 at 6:30am -0400, Paul Mackerras pau...@samba.org wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-07-02 Thread Bart Van Assche
On 07/01/14 21:39, Mike Snitzer wrote: (btw, Bart Van Assche also has issues with commit e8099177 due to hangs during cable pull testing of mpath devices -- Bart: curious to know if your cable pull tests pass if you just revert bcccff93). Sorry but even with bcccff93 reverted after a few

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-07-01 Thread Mike Snitzer
On Mon, Jun 30 2014 at 6:30am -0400, Paul Mackerras pau...@samba.org wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20 cores (thus 160 CPUs), 128GB of RAM, and 7 SCSI disks connected via a

Regression in 3.15 on POWER8 with multipath SCSI

2014-06-30 Thread Paul Mackerras
I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20 cores (thus 160 CPUs), 128GB of RAM, and 7 SCSI disks connected via a hardware-RAID-capable adapter which appears as two IPR controllers which are both connected to

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-06-30 Thread Paul Mackerras
On Mon, Jun 30, 2014 at 12:52:29PM +0200, Hannes Reinecke wrote: On 06/30/2014 12:30 PM, Paul Mackerras wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20 cores (thus 160 CPUs), 128GB of RAM, and 7 SCSI disks

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-06-30 Thread Hannes Reinecke
On 06/30/2014 12:30 PM, Paul Mackerras wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20 cores (thus 160 CPUs), 128GB of RAM, and 7 SCSI disks connected via a hardware-RAID-capable adapter which appears as two

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-06-30 Thread Hannes Reinecke
On 06/30/2014 01:02 PM, Paul Mackerras wrote: On Mon, Jun 30, 2014 at 12:52:29PM +0200, Hannes Reinecke wrote: On 06/30/2014 12:30 PM, Paul Mackerras wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20 cores

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-06-30 Thread Paul Mackerras
On Mon, Jun 30, 2014 at 01:35:20PM +0200, Hannes Reinecke wrote: On 06/30/2014 01:02 PM, Paul Mackerras wrote: On Mon, Jun 30, 2014 at 12:52:29PM +0200, Hannes Reinecke wrote: On 06/30/2014 12:30 PM, Paul Mackerras wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-06-30 Thread Paul Mackerras
On Mon, Jun 30, 2014 at 12:52:29PM +0200, Hannes Reinecke wrote: On 06/30/2014 12:30 PM, Paul Mackerras wrote: I have a machine on which 3.15 usually fails to boot, and 3.14 boots every time. The machine is a POWER8 2-socket server with 20 cores (thus 160 CPUs), 128GB of RAM, and 7 SCSI disks

Re: Regression in 3.15 on POWER8 with multipath SCSI

2014-06-30 Thread Hannes Reinecke
On 06/30/2014 11:28 PM, Paul Mackerras wrote: On Mon, Jun 30, 2014 at 01:35:20PM +0200, Hannes Reinecke wrote: On 06/30/2014 01:02 PM, Paul Mackerras wrote: [ .. ] No, I'm not using LVM, and in fact I deleted all the physical volumes that were on any of the disks (they were installations of