Mr. Hancock,
On 8/24/07, Robert Hancock <[email protected]> wrote:
> TheOneKEA wrote:
> > While doing a long mega-copy from one side of a DVD-RAM disc formatted
> > with the vfat filesystem to an smbfs network share, I got lots and
> > lots of these in the dmesg:
> >
> > Buffer I/O error on device sr0, logical block 4396
> > lost page write due to I/O error on sr0
> > sr 6:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
> > sr 6:0:0:0: [sr0] Sense Key : 0x7 [current]
> > sr 6:0:0:0: [sr0] <<vendor>> ASC=0x92 ASCQ=0x0ASC=0x92 ASCQ=0x0
> > end_request: I/O error, dev sr0, sector 17584
> > Buffer I/O error on device sr0, logical block 4396
> > lost page write due to I/O error on sr0
>
> Well, the drive is reporting an error on a write to the disc. It's not
> an error code in the MMC5 standard, though, so presumably it's a
> vendor-specific error code.
Would I be able to find a datasheet explaining the code?
>
> Not sure why it would be writing to the disc though.. Maybe if the disc
> is mounted read-write it is doing last-access-time updates or something?
It's possible - I didn't explicitly specify noatime when mounting the
volume; does the vfat kernel module honor the noatime option?
--
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