Messages in this thread | | | Date | Wed, 5 Jun 2013 16:53:13 +0200 | From | Jens Axboe <> | Subject | Re: Bug found in block/scsi_ioctl.c |
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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
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