On Saturday 16 December 2000 21:49, you wrote:
> > Hi All,
>
> I decided to reinstall our P75 redhat 6.2
> printserver/intranetserver/cd-writing server to Mandrake 7.2 today (if
> you want to know why I would break something that's working, it is that
> our other 2 servers run Mandrake, I have a new admin to train up - best
> not to confuse him with different distros yet - plus we have a local
> Mandrake updates mirror - which makes it a lot less effort to keep up
> with updates).
>
> Anyway, after about 3 hours of work I had the machine back up and
> running with everything working, but now all partitions except boot as
> ReiserFS.
>
> Well, testing webCDwriter
> (http://www.uni-bielefeld.de/~jhaeger/webCDwriter/) proved that not all
> is well. I get errors saying "loss of streaming" from cdrecord. Note
> that I have never had this sort of error on this machine, even when
> people are printing on both printers and browsing the intranet page at
> the same time.
>
> First I suspected the CD, due to the "Medium error", so tried with a new
> rewriteable, and then with "simulate" which passes -dummy to cdrecord.
>
> Then I suspected ReiserFS, so reformatted the spool directory
> webCDwriter uses to ext2. Same error.
>
> Then I suspected the version of webCDwriter I was using (note there are
> now RPMS for 7.2 on the RPMS page for webCDwriter), so downgraded to the
> previous version I had compiled for the box when it was Redhat 6.2
>
> I think I actually used the mdk 7.2 rpms for cdrecord and mkisfs on the
> bosx when it was Redhat, since I had problems finding RPMs of the
> specific versions for Redhat 6.2. So I am not sure if I should try
> different versions.
>
> Well, I guess that only leaves the kernel that would have change (well,
> the only thing in the equation).
>
> The spool drive is on the same IDE channel as the CD-RW drive (but it
> was before), and I am not using udma.
>
> Has anybody had similar problems on 7.2?
>
> The only hardware change I made was upgrading the network card to
> 100Mbps (no, this can't be it, webCDwriter makes an iso image first
> using mkisofs, and then just writes the iso to CD).
>
> I will attach the error messages.
>
> I will go home and do some testing there ...
>
> Regards,
> Buchan
Looking at dmesg outputs from several cases I see the kernel doesn't like
some drives
The important thing about this is that the DMA doesn't end up enabled.
look in dmesg for your machine
find your CDRW
let's say it is /dev/hdc
try
hdparm -c1 /dev/hdc
See if you get a good burn then.
Civileme
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