Fwd: mesh SCSI bus locks hard on 7500 when burning a CD-R in dao mode

[Benjamin Herrenschmidt]

>
>Nope, nothing at all.  :-(  It just freezes.  Since the SCSI bus is
>gone, any attempts to write to logs fail, as do any attempts to read
>them, of course.  cdrdao gets to the "calibrating power" stage, the
>light on the cd-rw drive blinks for a few seconds, and that's it.   Last
>time I tried this experiment, I at least turned swap off first, and the
>system survived a bit longer, but I wasn't able to find anything out.
>Is there any other way to probe what's going on?  I do have a 2 gigabyte
>drive that I could attach to the external SCSI bus and boot from: maybe
>then I could get more info, at least, about what is going on.

Do you get the same lockup without the G3 accelerator ?

Ben.

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