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SubjectRe: [Cbe-oss-dev] [regression/bisected] corrupt CD data after media change and delay
On Fri, Jun 13, 2008 at 7:33 PM, Geert Uytterhoeven
<Geert.Uytterhoeven@sonycom.com> wrote:
> On Fri, 6 Jun 2008, Geert Uytterhoeven wrote:
>> When mounting a CD/DVD more than 30 seconds after inserting it, and reading
>> from it, we get:
>
> Apparently the fix didn't make it to all the CCed lists...
>
> http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fjejb%2Fscsi-rc-fixes-2.6.git;a=commitdiff_plain;h=d1daeabf0da5bfa1943272ce508e2ba785730bf0

Oh, that's in mainline ? I still have the problem of having to
insert DVD / try accessing it and get errors / eject / re-insert
and then it magically works... the messages have changed
from what they were as reported here

http://bugzilla.kernel.org/show_bug.cgi?id=10116

(see comments #8 and #9) to these ones, in 2.6.26-rc6-git4:

Jun 17 22:38:43 sandman kernel: sr 1:0:0:0: [sr0] Result:
hostbyte=0x00 driverbyte=0x08
Jun 17 22:38:43 sandman kernel: sr 1:0:0:0: [sr0] Sense Key : 0x3 [current]
Jun 17 22:38:43 sandman kernel: sr 1:0:0:0: [sr0] ASC=0x11 ASCQ=0x0
Jun 17 22:38:43 sandman kernel: end_request: I/O error, dev sr0, sector 232
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 29
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 30
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 31
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 32
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 33
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 34
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 35
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 36
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 37
Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 38

here I eject and reinsert the disc, and:

Jun 17 22:39:10 sandman kernel: UDF-fs: No VRS found

lo and behold, no problem.

This does not, alas, happen every time. It might be at the first
DVD access after booting the laptop, but I haven't investigated
in this detail yet.

--alessandro

"Give me love / Or give me hate
Give me anything that's not just ok"

(Sophia, 'Weightless')


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