Hi, ses module was not built/loaded in my tests (ENCLOSURE_SERVICES was not set in the kernel config), so it's not the case. Also Oracle bug is private, so I can't tell if it's really related. //wbr ojab On Thu, Oct 20, 2016 at 10:08 AM, Chaitra Basappa <chaitra.basappa@xxxxxxxxxxxx> wrote: > Hi Ojab, > > I would like to clarify that issue is not because of the below mentioned > patch/ mpt3sas driver, its due to some SES module patch which we have seen > earlier without merged/combined (mpt2sas & mpt3sas) driver too. > > > > So before unloading driver try unloading ses module(`rmmod ses`) and then > unload driver, driver unloads successfully. > > > > This confirms issue is not because of driver , so ses module patches needs > to be checked to identify the patch causing this issue. > > > > Also we have reported below Bug with oracle , which we observed on > OEL6.8_UEK(4.1.12-37.4.1_x86_64) > > https://bugzilla.oracle.com/bugzilla/show_bug.cgi?id=15521 > > > > Thanks, > > Chaitra > > > > > > From: mpt-fusionlinux.pdl@xxxxxxxxxxxx > [mailto:mpt-fusionlinux.pdl@xxxxxxxxxxxx] On Behalf Of Laurence Oberman > Sent: Tuesday, October 18, 2016 4:42 AM > To: ojab; Johannes Thumshirn > Cc: MPT-FusionLinux.pdl@xxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx > Subject: RE: `rmmod mpt3sas` leads to backtraces 'fs/sysfs/group.c:237 > sysfs_remove_group+0xa0/0xb0' > > > > > > > > > > > > Sent on the new Sprint Network from my Samsung Galaxy S®4 > > > > -------- Original message -------- > From: ojab <ojab@xxxxxxx> > Date: 10/17/2016 17:11 (GMT-05:00) > To: Johannes Thumshirn <jthumshirn@xxxxxxx> > Cc: MPT-FusionLinux.pdl@xxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx > Subject: Re: `rmmod mpt3sas` leads to backtraces 'fs/sysfs/group.c:237 > sysfs_remove_group+0xa0/0xb0' > > On 2016/10/17 14:42, Johannes Thumshirn wrote: >> On Sun, Oct 16, 2016 at 02:33:28PM +0000, ojab wrote: >> >> Hi Ojab, >> >> Do you have a known good kernel? If yes can you do a git bisect to see >> which >> commit introduces this? >> >> Thanks, >> Johannes >> > > The issue is reproducible from the start, i. e. from commit > > c84b06a48c4d8ac8270624453132f3fa1a4a0f9d mpt3sas: Single driver module > which supports both SAS 2.0 & SAS 3.0 HBAs > > in which support for my HBA was added. > Before that the same issue can be reproduced using mpt2sas module in > kernels >= 4.1. > > Unfortunately earlier kernels fail to boot on my HW, so I can't > investigate further. > > //wbr ojab > > I have one of these in my lab. I will investigate and try reproduce and > track it down as soon as I get a chance. > > > > Thanks > > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
