ping - anybody? Greets, Stefan Am 08.11.2017 um 10:33 schrieb Stefan Priebe - Profihost AG: > Hello, > > after upgrading some servers from 4.9 to a kernel > 4.11 i saw a > regression where i cannot boot into the os. > > The kernel is crashing in the isci (NOT iscsi) driver in task abort. > > Message: > Unable to handle kernel NULL pointer dereference at isci_task_abort_task > > git bisect detected the following offending commit: > 909657615d9b3ce709be4fd95b9a9e8c8c7c2be6 is the first bad commit > commit 909657615d9b3ce709be4fd95b9a9e8c8c7c2be6 > Author: Christoph Hellwig <hch@xxxxxx> > Date: Thu Apr 6 15:36:32 2017 +0200 > > scsi: libsas: allow async aborts > > We now first try to call ->eh_abort_handler from a work queue, but > libsas > was always failing that for no good reason. Allow async aborts. > > Reviewed-by: Johannes Thumshirn <jth@xxxxxxxxxx> > Reviewed-by: Hannes Reinecke <hare@xxxxxxx> > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > > :040000 040000 b15f1eb57bf74667aefb7a304fa09bf58386eaf2 > 64df540499763db44c7e1b6ec9a55ffa9b2ebedc M drivers > > i can't grab much information except for a photo as the boot process is > before netconsole or others can jump in. > > The caller of isci_task_abort_task seems to be sas_eh_abort_handler. > > Thanks! > > Greets, > Stefan >
