RE: sysfs group not found for kobject on mvsas drive removal

2015-05-12 Thread Praveen Murali
> > -Original Message- > > From: Dan Williams [mailto:dan.j.willi...@intel.com] > > Sent: Monday, May 11, 2015 3:44 PM > > To: Praveen Murali > > Cc: James Bottomley (james.bottom...@hansenpartnership.com); linux- > > s...@vger.kernel.org > > Subj

RE: [for 4.1 PATCH resend] libsas: fix "sysfs group not found" warnings at port teardown time

2015-07-27 Thread Praveen Murali
> -Original Message- > From: Dan Williams [mailto:dan.j.willi...@intel.com] > Sent: Monday, July 27, 2015 11:25 AM > To: James Bottomley > Cc: Christoph Hellwig; Praveen Murali; linux-scsi; sta...@vger.kernel.org > Subject: Re: [for 4.1 PATCH resend] libsas: fix &quo

[libsas] Kernel Crash in smp_execute_task

2015-03-04 Thread Praveen Murali
Hi Dan, I am experiencing a crash in smp_execute_task when it calls mutex_lock with 15K SAS drives HP Model EH0146FAWJB (Seagate model ST9146852SS) connected to a Marvell 88SE9485 SAS/SATA 6Gb/s controller; kernel version is 3.4.87. The crash happens as soon as I connect this drive; crash dump

RE: [libsas] Kernel Crash in smp_execute_task

2015-03-04 Thread Praveen Murali
-Original Message- From: linux-scsi-ow...@vger.kernel.org [mailto:linux-scsi-ow...@vger.kernel.org] On Behalf Of Praveen Murali Sent: Wednesday, March 04, 2015 1:43 PM To: linux-scsi@vger.kernel.org; dan.j.willi...@intel.com Cc: jbottom...@parallels.com Subject: [libsas] Kernel Crash in

RE: [libsas] Kernel Crash in smp_execute_task

2015-03-04 Thread Praveen Murali
From: James Bottomley Sent: Wednesday, March 4, 2015 4:18 PM To: Praveen Murali Cc: linux-scsi@vger.kernel.org; dan.j.willi...@intel.com Subject: Re: [libsas] Kernel Crash in smp_execute_task On Wed, 2015-03-04 at 23:29 +, Praveen Murali wrote: >&

RE: [libsas] Kernel Crash in smp_execute_task

2015-03-04 Thread Praveen Murali
> -Original Message- > From: Douglas Gilbert [mailto:dgilb...@interlog.com] > Sent: Wednesday, March 04, 2015 4:00 PM > To: Praveen Murali; linux-scsi@vger.kernel.org; dan.j.willi...@intel.com > Cc: jbottom...@parallels.com > Subject: Re: [libsas] Kernel Crash in smp_ex

RE: [libsas] Kernel Crash in smp_execute_task

2015-03-04 Thread Praveen Murali
> -Original Message- > From: James Bottomley [mailto:james.bottom...@hansenpartnership.com] > Sent: Wednesday, March 04, 2015 5:05 PM > To: Praveen Murali > Cc: linux-scsi@vger.kernel.org; dan.j.willi...@intel.com > Subject: Re: [libsas] Kernel Crash in smp_execute_task

[PATCH 3.4.106] SCSI: libsas: no expander revalidation for SAS_END_DEV

2015-03-05 Thread Praveen Murali
performed for non-expander devices since they are discovered via their IDENTIFY frames and probing for expander capabilities is not required. Signed-off-by: Praveen Murali --- drivers/scsi/libsas/sas_discover.c | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers

Re: Question for Patch"libsas: fix "sysfs group not found" warnings at port teardown time"

2016-02-05 Thread Praveen Murali
Hi Yijing, The fix was deemed inappropriate and I think the explanation provided by James was kind similar to what your observation is. Also, as far as I remember the consensus was that these error messages (sysfs group not found) are harmless at this point. I think James can provide a better

eSATA Drive Detection issues on mvsas

2013-10-14 Thread Praveen Murali
Hi, I have couple of external drives (Western Digital and Seagate) that have an eSATA interface. My Linux box with a Marvell HBA (9445) running Ubuntu 12.04 with 3.2.48 kernel doest not seem to detect the drive. I tried with the latest upstream kernel and it behaves the same. But both the dr

Re: eSATA Drive Detection issues on mvsas

2013-10-15 Thread Praveen Murali
Dan/James, Can you please take a look at this and let me know if I am at the right place? Or point me in the right direction? As I understand, this deost not look like an mvsas driver issue. Thanks, Praveen On 10/14/2013 05:18 PM, Praveen Murali wrote: Hi, I have couple of external

Re: [PATCH 3/3] Fix device detection issues with mvsas driver

2013-10-15 Thread Praveen Murali
Yes, I checked that today and was meaning to ask you about it. :) > On Oct 15, 2013, at 6:31 PM, "Dan Williams" wrote: > >> On Thu, Jun 21, 2012 at 10:05 AM, Praveen Murali >> wrote: >> here is the updated patch. >> >>> On Thu, 2012-06-21 at

Re: eSATA Drive Detection issues on mvsas

2013-10-16 Thread Praveen Murali
On 10/15/2013 06:11 PM, Dan Williams wrote: On Tue, Oct 15, 2013 at 5:15 PM, Praveen Murali wrote: Dan/James, Can you please take a look at this and let me know if I am at the right place? Or point me in the right direction? As I understand, this deost not look like an mvsas driver issue

Re: [PATCH 3/3] Fix device detection issues with mvsas driver

2013-10-16 Thread Praveen Murali
Hi Xiang, Can you please take a look at the attached patch and ack it? Thanks, Praveen On 10/16/2013 02:45 PM, James Bottomley wrote: On Tue, 2013-10-15 at 19:40 -0700, Praveen Murali wrote: Yes, I checked that today and was meaning to ask you about it. :) Ideally, I need someone from

Re: [PATCH 3/3] Fix device detection issues with mvsas driver

2013-10-16 Thread Praveen Murali
The only way to reproduce this is to keep hot plugging drives. To speed it up once in a while remove the drive before the detection completes. > On Oct 16, 2013, at 7:42 PM, "xiangliang yu" wrote: > > Hi, > > >Subject: Re: [PATCH 3/3] Fix device detection issues with mvsas driver > > >Hi Xian