[Bug 202650] got CAM status 0x50; fatal error, failed to attach to device

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202650

            Bug ID: 202650
           Summary: got CAM status 0x50; fatal error, failed to attach to
                    device
           Product: Base System
           Version: 10.2-RELEASE
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: p5B2E9A8F at t-online.de

When booting from a FreeBSD-RELEASE-10.2 i386 disc1 CDROM installation medium,
these error messages show up:

(cd0:ata0:0:0:0): READ(10), CDB: 28 00 00 04 cf 41 00 00 01 00
(cd0:ata0:0:0:0): CAM status: Auto-Sense Retrieval Failed
(cd0:ata0:0:0:0): Error 5, Unretryable error
(cd0:ata0:0:0:0): cddone: got error 0x5 back
Trying to mount root from cd9660:/dev/iso9660/10_2_RELEASE_I386_CD (ro)...


When booting from the harddisk no /dev/cd0 can be found.

# dmesg | grep  cd0
(cd0:ata0:0:0:0): got CAM status 0x50
(cd0:ata0:0:0:0): fatal error, failed to attach to device

# camcontrol devlist
<WDC WD1600AAJB-00J3A0 01.03E01>   at scbus0 target 0 lun 0 (ada0,pass0)
<PLEXTOR CD-R   PX-W5224A 1.02>    at scbus2 target 0 lun 0 (pass1)

>From a 10.2-RELEASE i386 disc1 verified and burned on a CDROM medium I can boot
and run a fixit shell on the related box, but it shows no /dev/cd0 when booted
from the harddisk.

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