<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">I've got the same stack trace on F11 with the most recent "yum update" under Xen Unstable for 2.6.31-rc8 ( top commit 7c62209cde5b13b81685e79b2f9e3757e293aef1)<br> <br>Call trace:<br>> > ><br>> > > usb_hc_died + .....<br>> > > usb_add_hcd +.....<br>> > > usb_hcd_pci_probe + ....<br>> > > do_work_for_cpu + .....<br>> > > local_pci_probe + ...<br>> > > do_work_for_cpu +.....<br>> > > kthread +.....<br>> > > child_rip+....<br>> > > restore_args + .....<br>> > > child_rip + .....<br>> > > Code :
. . . .<br>> > > . . . .<br>> > ><br>> > > RIP [<ffff...c7>] usb_kick_khubd + 0x10/0x25<br>> > > RSP < ffff ... e0><br>> > > CR2: 00000...098<br>> > ><br>> > > ---[ end trace 8219......]----<br>> > ><br>> > > uhci_hcd 0000:00:1a:0 host controller process error, something bad<br>> > > happened !<br>> > > uhci_hcd 0000:00:1a:0 host controller halted , very bad<br>> > > uhci_hcd 0000:00:1a:0 HC died, cleaning up<br><br>Boris.<br></td></tr></table><br>