rhgb freezing computer

[Alan Cox]

On Tue, Sep 26, 2006 at 03:37:20PM -0400, Adam Jackson wrote:
> Alan Cox wrote:
> The X server is stuck in vt_waitactive(), in TASK_INTERRUPTIBLE. 
> Somehow it's getting onto the wait queue and then never coming off it.
> 
> Amusingly, if I try to attach with gdb or strace, I get -EPERM, the 
> syscall interrupts, we don't retry the VT_WAITACTIVE ioctl (which is a 
> bug I suppose) and X carries on loading just fine.  So it feels like 
> there's some path where we've switched VT without updating fg_console.

Can't help on the gdb stuff, if it happens as root and selinux is on
then beat up James Morris and co, if it happens with selinux off too beat
up DaveJ

Does the waitactive sleep happen only rarely when switching or regularly /