Date: Thu, 22 Feb 2001 15:43:50 -0800 (PST) From: Jamie Pemantell <techbot2@yahoo.com> To: freebsd-questions@FreeBSD.ORG Subject: Hard drive READ problems Message-ID: <20010222234350.12636.qmail@web4704.mail.yahoo.com>
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My machine dreamer, which runs FreeBSD 4.2-RELEASE,
has produced some nasty error messages lately. They
occur mostly when I log in as a user I created with
pdksh as his shell. Recently, when I attempted to log
in, I received the following succession of error
messages:
Feb 21 19:32:13 dreamer /kernel: ad0: READ command
timeout tag=0 serv=0 - resetting
Feb 21 19:32:56 dreamer /kernel: ata0: resetting
devices .. done
(x3)
Feb 21 19:33:07 dreamer /kernel: ad0: trying fallback
to PIO mode
Feb 21 19:33:07 dreamer /kernel: ata0: resetting
devices .. done
Feb 21 19:33:07 dreamer /kernel: ad0: READ command
timeout tag=0 serv=0 - resetting
Feb 21 19:33:07 dreamer /kernel: ata0: resetting
devices .. done
Feb 21 19:33:07 dreamer /kernel: ad0: read interrupt
arrived earlyad0:
read error detected (too) latead0: READ command
timeout tag=0 serv=0 -
resetting
Feb 21 19:33:07 dreamer /kernel: ata0: resetting
devices .. done
Feb 21 19:33:07 dreamer /kernel: ad0: read interrupt
arrived earlyad0: read error detected (too)
latespec_getpages:(#ad/0x20005) I/O read
failure: (error=5) bp 0xc1780f80 vp 0xc31f0c00
Feb 21 19:33:07 dreamer /kernel: size: 65536, resid:
42496, a_count: 65536, valid: 0x0
Feb 21 19:33:07 dreamer /kernel: nread: 23040,
reqpage: 7, pindex: 33, pcount: 16
Feb 21 19:33:07 dreamer /kernel: vm_fault: pager read
error, pid 258 (ksh)
Feb 21 19:33:07 dreamer /kernel: pid 258 (ksh), uid
1003: exited on signal 11 (core dumped)
Feb 21 19:33:55 dreamer su: jamiep to root on
/dev/ttyv1
Feb 21 19:35:54 dreamer /kernel: ad0: READ command
timeout tag=0 serv=0 - resetting
Feb 21 19:35:55 dreamer /kernel: ata0: resetting
devices .. done
Feb 21 19:35:55 dreamer /kernel: ad0: read interrupt
arrived earlyad0:
read error detected (too) late
ad0 is my harddrive: 957MB <Maxtor 71000 A>
[1946/16/63] at ata0-master WDMA2
I was wondering if someone would explain the problems
I'm having and the solution, if there is one [that
doesn't involve buying new hardware.] I'm really
interesting in learning, and would be grateful for a
specific and detailed explanation.
Thanks,
Jamie
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