Kernel Bug Tracker – Bug 8574
OOPS performing ioctl
Last modified: 2008-09-08 22:41:41 UTC
Most recent kernel where this bug did *NOT* occur:
Unknown, never noticed it in 2.6.20-15-generic (Ubuntu)
HP Compaq nc6320
Kernel oops in dmesg:
Steps to reproduce:
As it looks filesystem related, the output of mount:
/dev/sda2 on / type ext3 (rw,errors=remount-ro,commit=600)
proc on /proc type proc (rw,noexec,nosuid,nodev)
/sys on /sys type sysfs (rw,noexec,nosuid,nodev)
varrun on /var/run type tmpfs (rw,noexec,nosuid,nodev,mode=0755)
varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777)
procbususb on /proc/bus/usb type usbfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
devshm on /dev/shm type tmpfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
lrm on /lib/modules/2.6.22-5-generic/volatile type tmpfs (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
Created attachment 11651 [details]
dmesg output showing the Oops (twice)
Similar to http://bugzilla.kernel.org/show_bug.cgi?id=8473 .
Can you try Andrew's debug patch (at this URL):
So far I've not been able to reproduce that Oops, or get any output from the
I'd been poking about a bit with lshw and gnome-session, (flicking between
console and X11 quite a bit) when it occurred before, and have not seen it since.
I had the Akpm's patch (and since 2.6.22-rc3 there is some diagnostic with a
stack dump there). Haven't seen the bug since the -rc3.
I remember exactly same backtrace and it was flipping tty fops.
*** This bug has been marked as a duplicate of bug 8473 ***