On Sat, Jan 30, 2010 at 05:56:29PM +0100, Klaus Doblmann wrote: > 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... usbfs is missing? What does: cat /proc/filesystems | grep usb show? Who built the kernel? Yourself, or a distro? If a distro, which one? If you, can you enable it? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
