[Bug 240938] Retrying FLUSHCACHE48 ad infinitum

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240938

            Bug ID: 240938
           Summary: Retrying FLUSHCACHE48 ad infinitum
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: trasz at FreeBSD.org

The system is running r351694, with zroot on a single SSD disk.  The disk seems
to be dying, but here's what the system appears to be doing:

a0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Retrying command, 0 more tries remain
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Error 5, Retries exhausted
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Retrying command, 0 more tries remain
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Error 5, Retries exhausted
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Retrying command, 0 more tries remain
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Error 5, Retries exhausted
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Retrying command, 0 more tries remain
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Error 5, Retries exhausted
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Retrying command, 0 more tries remain
(ada0:ahcich0:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
(ada0:ahcich0:0:0:0): CAM status: ATA Status Error
(ada0:ahcich0:0:0:0): ATA status: 71 (DRDY DF SERV ERR), error: 04 (ABRT )
(ada0:ahcich0:0:0:0): RES: 71 04 00 00 00 40 00 00 00 00 00
(ada0:ahcich0:0:0:0): Error 5, Retries exhausted

Shouldn't it stop retrying after it says 'Retries exhausted'?

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