Bug 240938

Summary:	Retrying FLUSHCACHE48 ad infinitum
Product:	Base System	Reporter:	Edward Tomasz Napierala <trasz>
Component:	kern	Assignee:	freebsd-bugs (Nobody) <bugs>
Status:	New ---
Severity:	Affects Only Me
Priority:	---
Version:	CURRENT
Hardware:	Any
OS:	Any

Description Edward Tomasz Napierala freebsd_committer

2019-09-30 10:47:05 UTC

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'?