> It appears to be impossible to get a SysRQ-T dump out of a kernel which
> has hung during (eg) the SCSI initialisation with 2.5.
>
> Unlike previous 2.4 kernels, the keyboard is no longer initialised until
> fairly late - after many of the other drivers have initialised.
> Unfortunately, this means that it is quite difficult to debug these hangs
> (we'll leave discussion about in-kernel debuggers for another time!)
>
> Can we initialise the input subsystem earlier (eg, after pci bus
> initialisation, before disks etc) so that we do have the ability to use
> the SysRQ features?
I think this should be possible, yes.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/