On Thu, 22 Dec 2005, Nigel Cunningham wrote: > Ok. Having come home again, I've been able to do more testing. While it > appears to be the usb mouse from watching service usb start, I obviously > didn't do the modprobes & rmmods manually before, because it turns out > to be uhci_hcd, not usb_mouse that controls whether the messages appear:
... > Dec 22 19:01:39 desktop kernel: usb usb4: Product: UHCI Host Controller > Dec 22 19:01:39 desktop kernel: usb usb4: Manufacturer: Linux 2.6.15-rc6 > uhci_hcd > Dec 22 19:01:39 desktop kernel: usb usb4: SerialNumber: 0000:00:1d.3 > Dec 22 19:01:39 desktop kernel: hub 4-0:1.0: USB hub found > Dec 22 19:01:39 desktop kernel: hub 4-0:1.0: 2 ports detected > Dec 22 19:01:39 desktop kernel: usb 1-2: new low speed USB device using > uhci_hcd and address 2 > Dec 22 19:01:39 desktop kernel: unexpected IRQ trap at vector 99 > Dec 22 19:01:39 desktop last message repeated 909 times > This is with uhci_hcd alone loaded and then unloaded. There are nearly > 40,000 lines of dmesg in between! > > > At what point during the resume procedure do these messages appear? > > Only while uhci_hcd is loaded. I'm not familiar with your platform, or exactly what "unexpected IRQ trap at vector 99" means. Quite possibly this is some other piece of hardware misbehaving, but the misbehavior was masked until uhci-hcd enabled its own IRQ line. > Hi again. > > Three replies to one message! Oh dear! > > I often suggest people try swsusp when they have a problem with > Suspend2. It helps discern whether Suspend2 is broken or the driver is > doing something wrong. I don sack cloth and ashes as I confess that I > failed to take my own medicine. I tried swsusp, and didn't get any > problems with the mouse, so I guess something has changed such that > swsusp is doing the right thing and suspend2 isn't. Sorry for wasting > your time! > > Twice in one day! :( Think nothing of it. At least I don't have to debug the problem! 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://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
