Re: khubd hanging in 2.6.21-rc3
Oliver Neukum <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Organization | Novell |
| Message-ID | <[email protected]> |
Am Donnerstag, 8. März 2007 16:55 schrieb Alan Stern: > Evidently khubd is waiting for an unlink of an URB on usb3 to complete. > Somehow the fact that usb2 is stopped is causing a problem. > > It looks as though there's some weird connection between the two OHCI > controllers' hardware. A wakeup request on one caused the other to resume > also. When the other then stopped, the first no longer worked. > > Could it be a memory-mapping error? Both sets of registers got mapped to > the same address? See what dmesg says when you modprobe ohci-hcd, and do > a detailed comparison between 2.6.21-rc3 and a working kernel. It works again flawlessly if I _remove_ noapic from the kernel command line. So it looks like an interrupt problem. Regards Oliver ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel