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 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 core

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 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

2014-07-02 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 ite

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 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

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 o

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

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

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 (t

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 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