Alan Cox wrote:
On Sat, 06 Dec 2008 23:47:09 -0500
Mark Lord <liml@xxxxxx> wrote:
Attempting to play a known-good DVD-video in MythTV-0.21
using libata in kernel 2.6.27.7 :
sr 4:0:0:0: [sr0] unaligned transfer
Your system somehow generated a scsi request which was not 2K aligned.
The scsi mid layer then reported that and added padding - which
presumably didn't help because the command shouldn't have been misaligned
in the first place.
If you strace it do you see any misaligned requests coming from user
space - also btw is the cd layer reporting the sector size wrong
anywhere ?
..
No complaints from the cd layer -- just that unaligned message.
I've changed that message to actually *show* the values it is complaining
about (what a concept, duh..), so next time I reproduce it there will be
some information as to what was really going on.
Probably just a buggy app, or maybe 64-bit porting error in it.
Cheers
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