Messages in this thread | | | From | Quinn Tran <> | Subject | Re: Reported regressions for 4.7 as of Sunday, 2016-06-19 | Date | Wed, 22 Jun 2016 01:29:13 +0000 |
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Investigating.
Regards, Quinn Tran
-----Original Message----- From: "Martin K. Petersen" <martin.petersen@oracle.com> Organization: Oracle Corporation Date: Tuesday, June 21, 2016 at 6:25 PM To: Linus Torvalds <torvalds@linux-foundation.org> Cc: Josh Boyer <jwboyer@fedoraproject.org>, "Martin K. Petersen" <martin.petersen@oracle.com>, Johannes Thumshirn <jthumshirn@suse.de>, Thorsten Leemhuis <regressions@leemhuis.info>, linux-kernel <linux-kernel@vger.kernel.org>, Quinn Tran <quinn.tran@qlogic.com> Subject: Re: Reported regressions for 4.7 as of Sunday, 2016-06-19
>>>>>> "Linus" == Linus Torvalds <torvalds@linux-foundation.org> writes: > >>> https://bugzilla.redhat.com/show_bug.cgi?id=1348342 > >This first one appears to be a crash in a USB sound doodad and not >qla2xxx. Also, this appears to be where the 4.5.5 -> 4.5.6 notion comes >from. So we can probably ignore 4.5.5 as the last good revision. > >Linus> as far as I can tell. And neither of them looks very likely, but >Linus> what do I know. Adding Martin Petersen and Johannes Thumshirn to >Linus> the participants just in case they go "Ahh.." > >Doubt it's Johannes' tweak. The qla2xxx crash from the two other >bugzilla entries is in: > >(gdb) list *qla24xx_process_response_queue+0x49 >0x27e09 is in qla24xx_process_response_queue (drivers/scsi/qla2xxx/qla_isr.c:2560). >2555 if (rsp->msix->cpuid != smp_processor_id()) { >2556 /* if kernel does not notify qla of IRQ's CPU change, >2557 * then set it here. >2558 */ >2559 rsp->msix->cpuid = smp_processor_id(); >2560 ha->tgt.rspq_vector_cpuid = rsp->msix->cpuid; >2561 } >2562 >2563 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { >2564 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; > >That particular code went into 4.5 and comes from: > >commit cdb898c52d1dfad4b4800b83a58b3fe5d352edde >Author: Quinn Tran <quinn.tran@qlogic.com> >Date: Thu Dec 17 14:57:05 2015 -0500 > > qla2xxx: Add irq affinity notification > > Register to receive notification of when irq setting change > occured. > > Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> > Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> > Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> > >Quinn? > >-- >Martin K. Petersen Oracle Linux Engineering
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