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V 27
2021-08-13T01:20:59.558085Z
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V 711
ipmi(4): Add more watchdog error checks.

Add request submission status checks before checking req->ir_compcode,
otherwise it may be zero just because of initialization.

Add checks for req->ir_compcode errors in ipmi_reset_watchdog() and
ipmi_set_watchdog().  In first case explicitly check for 0x80, which
means timer was not previously set, that I found happening after BMC
cold reset.  This change makes watchdog timer to recover instead of
permanently ignoring reset errors after BMC reset or upgraded.

MFC after:	2 weeks
Sponsored by:   iXsystems, Inc.

(cherry picked from commit 9d3b47abbba74830661e90206cc0f692b159c432)

Git Hash:   8e6bcb7f56f12ca2d237b4684223ebb5c5d9092c
Git Author: mav@FreeBSD.org
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