On Sat, 30 Dec 2006, Florin Iucha wrote: > On Sat, Dec 30, 2006 at 10:34:01PM +0100, Oliver Neukum wrote: > > > I suspect it has something to do with sysfs or usbfs. This USB > > > keyboard hang has not happened before (and I have the same hardware in > > > this box for over a year, and I compile and test most of the rcX > > > kernels). My workloads are CPU intensive (simulations, optimization > > > problems, data clustering) and this is the first serious I/O stress > > > test, but I would have noticed if it ever happened. > > > > > > This is also my first success at using NFS4. I am mount /home and > > > some other filesystems using NFS3. > > > > > > I have copied the linux-usb-devel to this discussion. To summarize, > > > the bug is: > > > > > > After copying over 60 GB of data over NFS4, the USB keyboard becomes > > > unresponsive, but the mice connected to the hub built into the > > > keyboard are functioning normally. The kernel is 2.6.20-rc2 with a > > > patch from Ingo Molnar (attached), the .config is also attached and > > > the platform is AMD64. > > > > Do USB and your network card share an interrupt line? > > No, they do not. > > $ cat /proc/interrupts > CPU0 CPU1 > 0: 5534238 0 IO-APIC-edge timer > 1: 2 0 IO-APIC-edge i8042 > 6: 5 0 IO-APIC-edge floppy > 7: 0 0 IO-APIC-edge parport0 > 8: 0 0 IO-APIC-edge rtc > 9: 0 0 IO-APIC-fasteoi acpi > 14: 198386 0 IO-APIC-edge ide0 > 17: 36311 0 IO-APIC-fasteoi ICE1724 > 18: 1346299 0 IO-APIC-fasteoi [EMAIL PROTECTED]:0000:01:00.0 > 20: 133844 0 IO-APIC-fasteoi ohci_hcd:usb2 > 21: 160399 0 IO-APIC-fasteoi ehci_hcd:usb1 > 22: 47782 0 IO-APIC-fasteoi libata > 23: 2466893 0 IO-APIC-fasteoi libata, eth0 > NMI: 1031 930 > LOC: 5534568 5534543 > ERR: 0 > > > Is there anything is syslog? > > There is nothing in syslog. > > > Could you enable DEBUG in drivers/usb/input/hid-core.c? > > Will do and report back. > > florin
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