https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206200
Bug ID: 206200
Summary: CAM status: command timeout
Product: Base System
Version: 10.1-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Problem with new (P)ATA-CAM implementation:
After update from 9.1 to 9.2 caused many kernel panics:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193380#c14
It's gone after update to 10.1 and back again as cam issue after few security
update (via freebsd-update):
ada0:ata0:0:0:0): READ_DMA. ACB: c8 00 20 5a 5f 43 00 00 00 00 08 00
(ada0:ata0:0:0:0): CAM status: ATA Status Error
(ada0:ata0:0:0:0): ATA status: 51 (DRDY SERV ERR), error: 40 (UNC )
(ada0:ata0:0:0:0): RES: 51 40 24 5a 5f 03 03 00 00 00 00
(ada0:ata0:0:0:0): Retrying command
(ada0:ata0:0:0:0): READ_DMA. ACB: c8 00 20 5a 5f 43 00 00 00 00 08 00
(ada0:ata0:0:0:0): CAM status: ATA Status Error
(ada0:ata0:0:0:0): ATA status: 51 (DRDY SERV ERR), error: 40 (UNC )
(ada0:ata0:0:0:0): RES: 51 40 24 5a 5f 03 03 00 00 00 00
(ada0:ata0:0:0:0): Retrying command
(ada0:ata0:0:0:0): READ_DMA. ACB: c8 00 20 5a 5f 43 00 00 00 00 08 00
(ada0:ata0:0:0:0): CAM status: ATA Status Error
(ada0:ata0:0:0:0): ATA status: 51 (DRDY SERV ERR), error: 40 (UNC )
(ada0:ata0:0:0:0): RES: 51 40 24 5a 5f 03 03 00 00 00 00
(ada0:ata0:0:0:0): Retrying command
(ada0:ata0:0:0:0): Retrying command
(ada0:ata0:0:0:0): READ_DMA. ACB: c8 00 20 5a 5f 43 00 00 00 00 08 00
(ada0:ata0:0:0:0): CAM status: ATA Status Error
(ada0:ata0:0:0:0): ATA status: 51 (DRDY SERV ERR), error: 40 (UNC )
(ada0:ata0:0:0:0): RES: 51 40 24 5a 5f 03 03 00 00 00 00
(ada0:ata0:0:0:0): Error 5, Retries exhausted
g_vfs_done():ada0s2a[READ(offset=7672586240, length=4096)]error = 5
Possible partially related with this bug:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=119838
Patch for ATA:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199495
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