On Mon, Mar 26, 2012 at 10:32 PM, Alessandro Rubini [off-list ref] wrote:

patch 9b96fba, currently in linux-next, clears interrupts using
uap->port.membase that has not been assigned. ?My x86 system,
that uses a pci-to-amba bridge, panics with a message like:

? BUG: unable to handle kernel NULL pointer dereference at 00000038
? IP: [<c12c85ed>] pl011_probe+0x119/0x303

Signed-off-by: Alessandro Rubini <redacted>
Acked-by: Giancarlo Asnaghi <redacted>

Yep I know, already sent the remedy, just waiting for Greg to pick it up:
http://marc.info/?l=linux-serial&m=133235774423240&w=2

But thanks for the quick attention :-)

Yours,
Linus Walleij