On Tue, 19 Sep 2006, John Haxby wrote: > Alan Stern wrote: > > You have CONFIG_USB_DEBUG set, right? What shows up in the dmesg log when > > that jerkiness appears? > > > Same as before, so far as I can tell: > > ehci_hcd 0000:00:10.4: port 4 high speed > ehci_hcd 0000:00:10.4: GetStatus port 4 status 001005 POWER sig=se0 PE > CONNECT > usb 1-4: reset high speed USB device using ehci_hcd and address 4 > usb 1-4: usb-storage timed out on ep0in len=18/64 > ehci_hcd 0000:00:10.4: port 4 high speed > ehci_hcd 0000:00:10.4: GetStatus port 4 status 001005 POWER sig=se0 PE > CONNECT > usb 1-4: usb-storage timed out on ep0out len=0/0 > usb 1-4: usb-storage timed out on ep0out len=0/0 > usb 1-4: device not accepting address 4, error -110 ...
> There's more after that to do with the card reader devices being dead > and removed, but it's the same as I reported yesterday (I can post it > all again if you like). > > > What happens to the mouse if you run without ehci-hcd loaded? > > > I tired that a while ago on the grounds that I could live without > ehci_hcd but it didn't have any effect. It must have had _some_ effect. For example, those messages in the log above labelled "ehci_hcd" could not have been present. > I'll try it again though (with > irqbalance turned on for consistency's sake) and report back tomorrow > (probably, it can take a while for the problem to show up). I asked because the log doesn't mention anything to do with the mouse. It could simply be that the repeated retries for the dying card reader are using up too much CPU time, not leaving enough for the mouse handler to run with sufficiently low latency. Alan Stern ------------------------------------------------------------------------- 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 _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
