https://bugzilla.kernel.org/show_bug.cgi?id=204815
Bug ID: 204815
Summary: qla2xxx: firmware is not responding to mailbox
commands
Product: SCSI Drivers
Version: 2.5
Kernel Version: 5.2-rc1 up to 5.3-rc8
Hardware: PPC-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: QLOGIC QLA2XXX
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 284925
--> https://bugzilla.kernel.org/attachment.cgi?id=284925&action=edit
firmware times out on 5.3-rc8
I'm using QLogic HBAs (QLE2560 and QLE2742) inside pseries guests on
ppc64le/POWER8 hypervisor and they are not usable since commit f8f97b0c5b7f7
("scsi: qla2xxx: Cleanups for NVRAM/Flash read/write path").
The firmware stops responding to mailbox commands shortly after system boot is
done.
That also triggers an EEH on pseries machine and driver doesn't handle the EEH
properly because firmware is effectively not available. I disabled eeh inside
the guest as it caused a deadlock on the host kernel.
The issue is fixed in linux-next by the commit edbd56472a63 ("scsi: qla2xxx:
qla2x00_alloc_fw_dump: set ha->eft"). I think it should be included to 5.3 if
possible. It can be cherry-picked cleanly to master.
The logs of 5.3-rc8 (bad.log) and 5.3-rc8 with edbd56472a63 (good.log) are
applied.
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