copying from DVD drive causes crash: vm_fault: pager read error, pid 13421 (cp) on FreeBSD 5.3-STABLE

[Daniel O'Connor]

On Thu, 6 Jan 2005 23:16, O. Hartmann wrote:
> Doing dd from the DVD drive (NEC ND 3500AG/2.18) fails in a corrupt
> image afterwards, copying with 'cp' from a inserted CD triggers the
> shown error and box dies immediately:
>
>
> Jan  6 12:17:20 edda kernel: cd9660: RockRidge Extension
> Jan  6 12:17:50 edda kernel: acd0: FAILURE - READ_BIG ILLEGAL REQUEST
> asc=0x64 ascq=0x00 error=4<ABORTED>
> Jan  6 12:18:07 edda last message repeated 3 times
> Jan  6 12:29:44 edda kernel: cd9660: RockRidge Extension
> Jan  6 12:30:54 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR
> asc=0x11 ascq=0x00 error=4<ABORTED>
> Jan  6 12:30:54 edda kernel: vm_fault: pager read error, pid 13421 (cp)
> Jan  6 12:30:58 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR
> asc=0x11 ascq=0x00 error=4<ABORTED>
> Jan  6 12:30:58 edda kernel: vm_fault: pager read error, pid 13421 (cp)
> Jan  6 12:31:01 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR
> asc=0x11 ascq=0x00 error=4<ABORTED>
> Jan  6 12:31:01 edda kernel: vm_fault: pager read error, pid 13421 (cp)
> Jan  6 12:31:08 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR
> asc=0x11 ascq=0x00 error=4<ABORTED>
> Jan  6 12:31:08 edda kernel: vm_fault: pager read error, pid 13421 (cp)
> Jan  6 12:31:19 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR
> asc=0x11 ascq=0x00 error=4<A
>
> Same happens when trying to to a 'tar ztf file.foo' (tar archive located
> on DVD) -> FreeBSD dies and freezes immediately.

Does it panic or hang?

The DVD has errors on it which is why you can't read it.. Obviously the OS 
crashing when presented with bad media is not a good thing :)

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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