CDROM / UDMA problem on -current (2 hours old)

[Jan Stocker]

> are printed so fast i cant really read .... but it must be something
> > like that:
> > acd1: WARNING - REQUEST_UDMA .... (error request)
> > acd1: WARNING - INQUIRE_SENSE .... (retrying request)
> 
> Little can be said without complete and accurate error messages,
> preferrably including a complete kernel backtrace, but still it would be

I would give you more info... but as i wrote... thats an endless loop.

> interesting to know whether the enclosed patch changes anything to your
> situation.

Will try it. Pls give me some mins (~30)

> > /usr/local/bin/cdrecord: Permission denied. Cannot send SCSI cmd via ioctl
> 
> Check perms on your /dev nodes.

cdrecord runs suid root .... should be enough rights... 

> it's an atapicam problem... 
> 
> That we do not know so far. Recent problems reported by ATAPI/CAM users
> were mostly ATA and CAM bugs. Please do not make such hasty statements
> until a complete analysis of the problem has been made.

Okay... you're right... shame on me and i try to see more in the depth
of the kernel in the future