Re: mptsas crash on expander hot-remove

2017-06-20 Thread John Garry
On 19/06/2017 09:23, Johannes Thumshirn wrote: On Fri, Jun 16, 2017 at 07:57:08PM -0400, Will Simoneau wrote: Is this is a known / obvious issue, or should I try to bisect it? Out of curiousity, does this issue also occur when only the disk is hot-removed from the expander? This is a

Re: mptsas crash on expander hot-remove

2017-06-19 Thread Johannes Thumshirn
On Fri, Jun 16, 2017 at 07:57:08PM -0400, Will Simoneau wrote: > Is this is a known / obvious issue, or should I try to bisect it? This is a known issue with SAS (and FC) drivers, although no soulution exists to this point. Johannes -- Johannes Thumshirn

mptsas crash on expander hot-remove

2017-06-16 Thread Will Simoneau
I've got a disk box with a SAS expander connected to a card based on the LSI SAS1068E chip. I recently upgraded the machine from 4.5.7 to 4.11.5, and now disconnecting (i.e. hot removing) the SAS expander from the HBA results in fireworks like this: [ 4738.044119] end_device-6:0:0: mptsas: