Brian Rogers wrote: > Rob wrote: > >> Brian Rogers wrote: >> >>> umass0: PNY Attache 2.0, rev 2.00/2.00, addr 2 >>> umass0: BBB reset failed, TIMEOUT >>> umass0: BBB bulk-in clear stall failed, TIMEOUT >>> umass0: BBB bulk-out clear stall failed, TIMEOUT >> >> >> I've seen similar problems on one of my 4-stable PCs. >> Not being an expert on USB stuff, I googled a bit around and >> came to the conclusion that the VIA 83C572 USB controller is >> the reason of the problem. You also have that one. >> Mounting my USB mass storage toy as a umass device works fine, >> however, unmounting it hangs/freezes the whole system. >> >> Another 4-Stable PC of mine has an Intel 82801BA/BAM (ICH2) USB >> controller, and that works like a charm. >> >> If, by any chance, you've got another FreeBSD PC that has an >> Intell (or any other than VIA) USB controller, you may also >> see it work there. >> >> I haven't tried all this out with CURRENT, but I guess it has the >> same problems. > > > I just tried booting off the FreeBSD 5.2 install disc on my system. No > crash on removal, but I do get the same three repeating error messages > and still no device appears in /dev. Then I tried this boot disc on an > Intel (440BX) machine. No error messages, but still no /dev entry. I > must be seeing both an old VIA-related 4.X bug and a newer 5.X bug where > the device doesn't appear, which recently can also trigger a crash. > > Did you say that you can mount the filesystem, and it freezes when you > unmount it? What happens if you just unplug the device after plugging > it in? I don't have a way to mount it, but unplugging the device > crashes my system. Can't verify this, since I have ditched the USB mass storage toy already (borrowed it from a friend to see whether USB works on my FreeBSD PCs, with mixed results as you know). If I remember well, it is a no-no to unplug the device without first unmounting it. Unless you use amd for this, maybe. BTW: there seems to be very little response to these problems on the mailinglists. Either only few people have these problems (problems only rise with specific USB controllers?), and/or it has not a high priority fixing. Cheers, Rob. Rob.Received on Sat May 29 2004 - 22:31:25 UTC
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