On Mon, 30 Jan 2006, John Gruenenfelder wrote: > 2.6.12: > external USB harddrive works fine > > 2.6.13: > external USB harddrive works fine > > 2.6.14: > kernel does not successfully boot on new hardware. It does finish the kernel > init and does spawn init. It appears to die while probing hardware and > loading modules. Unfortunately, I am not currently local to the machine so I > had to handle this bit over the phone. When it dies, the last few messages on > the screen are something like: > > USB OHCI init... version number... > usb 1-3: new highspeed EHCI device... etc... > kernel panic - not syncing: PCI-DMA: high address but no IOMMU > > The kernel never actually got to the point where it dumped the log to disk, so > this is all the info I have. If necessary, I could have the test repeated and > have my coworked write down the messages. I've never encountered that > particular error message and I'm not sure what it means. Because init had > spawned, the machine was probably doing a couple things simultaneously. > However, if the ordering above is to be believed, then it would appear that > the last kernel message before the panic was regarding the external USB > harddrive. > > 2.6.15: > external USB harddrive does not work as mentioned before, but otherwise the > kernel is working fine. > > > So, that's where it's at now. I should apoligize for the misleading bug > report I gave before. If you look at the first message I posted I mentioned > the keyboard issue I'm having on another nForce machine. I grouped these two > issues together. The KB started misbehaving with kernel 2.6.13 and so I > assumed that this was related. But, clearly, these are very different issues > and there was no logical reason behind my initial claim.
There's another bug report here: http://bugzilla.kernel.org/show_bug.cgi?id=6011 that looks quite similar to yours. Maybe the same solution will help you. Alan Stern ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
