On 02/10/13 15:55, Poul-Henning Kamp wrote: > Content-Type: text/plain; charset=ISO-8859-1 > -------- > In message <5117A0CD.6060904_at_beastielabs.net>, Hans Ottevanger writes: >> On 02/10/13 12:46, Daniel O'Connor wrote: > >> But I just did an experiment on an old Pentium 4 system here, using the >> fdc driver and 8.3-STABLE as of early December (r243900). I read several >> diskettes using "dd /dev/fd0 /dev/null" and everything went flawlessly. > > Could you try: > > dd if=/dev/fd0 of=/dev/null bs=1048576 > Tried this, 20 times in a row, without any failures. Did the same for dd if=/dev/fd0 of=/tmp/junk bs=1048576 again without failures. As stated before, this is on an old Pentium 4, now updated to 8.3-STABLE r246624. What hardware are you using? Maybe I can reproduce that panic if I can find similar hardware in my "collection". > That consistently exploded 7.x and 8.x here yesterday... > > (I used recoverdisk, but that's not material) > >> Could it be that the drive that Poul-Henning is using is worn out a bit? > > No, that's not it. It's (amongst other things) ISA-DMA being > børken (try something different that /dev null btw :-) and bounce > buffers for same panicking the system. > Kind regards, HansReceived on Sun Feb 10 2013 - 19:26:30 UTC
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