* Re: Bug found in block/scsi_ioctl.c [not found] <CANk961ZtHzC0cyzGc9WxC9mvqmHpixRKsavuMGMzeuLe+QA5TQ@mail.gmail.com> @ 2013-06-05 14:53 ` Jens Axboe 0 siblings, 0 replies; only message in thread From: Jens Axboe @ 2013-06-05 14:53 UTC (permalink / raw) To: hari krishnan; +Cc: linux-kernel On Wed, Jun 05 2013, hari krishnan wrote: > I got a kernel crash, and dump is pointing to "IP: [<ffffffff81260e86>] > sg_scsi_ioctl+0x166/0x3b0". > > Test case: *I was just deleting few NPIV port to which some of LUN's where > exported, after sometime I was running parted on some devices"* > > The crash is in sg_scsi_ioctl of block/scsi_ioctl.c. > From code and dump it seems sg_scsi_ioctl is allocating request by calling > blk_get_request and assuming it will never fail, but it will fail if device > is dead, here in this case some of SCSI devices are dead. It's a known bug, Joe Lawrence has posted a patch to fix it up that will be muscled into 3.10. Can you give it a go? http://www.spinics.net/lists/linux-scsi/msg66294.html -- Jens Axboe ^ permalink raw reply [flat|nested] only message in thread
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[not found] <CANk961ZtHzC0cyzGc9WxC9mvqmHpixRKsavuMGMzeuLe+QA5TQ@mail.gmail.com>
2013-06-05 14:53 ` Bug found in block/scsi_ioctl.c Jens Axboe
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