Am Samstag, den 30.01.2010, 11:10 -0500 schrieb Alan Stern: > On Sat, 30 Jan 2010, Klaus Doblmann wrote: > > > Hi guys, > > > > I've been investigating a mount-failure of USB hard drives for a few > > days now and have reached a dead end - I hope I'm adressing the right > > mailing list here, if not, please direct me towards the right list. > > > > I have two identical external hard-drive enclosures from the same vendor > > (CnMemory) using the Genesys Logic GL830 chip which I bought about one > > year apart. > > > > One works just fine, the other fails to mount on all three machines I > > have tested this on (One IBM T40, one Lenovo T500, one Apple iMac). All > > machines are running the 2.6.32 kernel-series which seems to be part of > > the problem because both enclosures work on previous kernels. I haven't > > yet had a chance to try a -33 kernel due to the time I have available. > > (I'm on Ubuntu, running the development series of 10.04 but I have > > tested vanilla kernels too, including the latest stable variant > > 2.6.32-7) > > The first step toward debugging the problem is to acquire a usbmon > trace showing what happens when you plug in the faulty drive. > Instructions are in the kernel source file > Documentation/usb/usbmon.txt. > > Alan Stern > Hmmm... usbfs seems to be missing from my kernel, I can't mount it. Any other way to find out the drive's bus because if I tell it to listen on all buses the output file is HUGE and full with unnecessary stuff... Klaus
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