[Grml] Booting 2008.11 takes 4 minutes!

Michael Prokop mika at grml.org
Tue Feb 3 17:36:24 CET 2009


* Hubert Gabler <loipersb at aon.at> [20090203 15:13]:
> Michael Prokop schrieb:

> > * If you know the device name where grml is booting from try booting
> >   via: "grml bootfrom=/dev/sda1" (assuming the /dev/sda1 is your
> >   CD/DVD device booting grml). Does this improve your bootup time?
> >   If so we could spot the device which takes just to long for
> >   scanning.

> After the usual 3:30 delay it read "mounted live system on /dev/scd0"
> so I tried (as you suggested) grml bootfrom=/dev/scd0 but this did not 
> help, sorry.

Ok

> > * Blacklist modules: when booting finished check out dmesg output
> >   and if there any noteable error/warning messages 

> There are several error messages like this:
> a) many lines saying
> sr 6:0:1:0: [sr0] Sense Key: Medium Error [current]
> sr 6:0:1:0: [sr0] Add. Sense: L-EC uncorrectable error

> b) many lines like this
> Buffer I/O error on device sr0
> end_request: I/O error, dev sr0, sector 1380478
[...]

This looks like a broken CD.

Please check the CD using 'readcd -c2scan dev=/dev/cdrom'.

regards,
-mika-
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