On Sun, Jul 29, 2007 at 08:00:01PM -0700, Linus Torvalds wrote: > > > On Fri, 27 Jul 2007, Alan Stern wrote: > > > > I don't think it's a refcounting problem. My guess is that the > > underlying cause is the bug in your urb->status removal patch for > > usb_start_wait_urb() -- the one I fixed here: > > > > http://marc.info/?l=linux-usb-devel&m=118531582013355&w=2 > > > > Of course, my guess could be wrong. I haven't tried to recreate > > Linus's bug with that patch reverted. But with the patch present I was > > not able to duplicate the bug. > > I finally got around to testing this, and while I still have problems with > that reader, I can't reproduce the oops with that patch in place either. > > Of course, I only ever saw the oops once, so I really don't know how > reproducible it was. Maybe you have to remove the USB reader at _just_ the > right moment. But I did get > > ... > usb 2-6: reset high speed USB device using ehci_hcd and address 4 > usb 2-6: USB disconnect, address 4 > sd 6:0:0:1: [sdc] Result: hostbyte=0x07 driverbyte=0x00 > end_request: I/O error, dev sdc, sector 1999855 > ... > scsi 6:0:0:1: rejecting I/O to dead device > > so the testing was done with the kind of behaviour that resulted in an > oops and a dead khubd last time around. > > So I guess I'll ack the patch for whatever that is worth.
Ok, the patch is in the series I just sent to you. If you run into that bug again, please let us know. thanks, greg k-h ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
