Hello, Maneesh. Maneesh Soni wrote: > I started looking at these patches and parallely also did some testing on a > 8 CPU system. I am using the patches from Greg's tree at > http://www.kernel.org/pub/scm/linux/kernel/git/gregkh/patches.git/ > > I ran following loops parallelly > > # while true; do insmod drivers/net/dummy.ko; sleep 1;rmmod dummy; done > # while true; do find /sys/class/net/dummy0 | xargs cat; sleep 1; done > # while true; do umount /sys; sleep 1; mount -t sysfs none /sys; done > # while true; do find /sys | xargs cat > /dev/null; sleep 1; done > > and got the following oops > > Unable to handle kernel NULL pointer dereference at 000000000000004c RIP: > [<ffffffff802935b4>] simple_unlink+0x14/0x5c
Eeek... I'll try to replicate and track down the bug here. FWIW, SCSI also oopses if udev is running due to a bug in SCSI open/close handling. Thanks for testing. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/