On Thu, 2009-01-08 at 11:11 +, Alan Cox wrote:
> > > Seems that we are in interrupt, doing hvc_poll, which does
> > > tty_flip_buffer_push
>
> Which means that someone has tty->low_latency set and is calling
> tty_flip_buffer_push in an IRQ. That has never been allowed or safe, and
> now it hu
Alan Cox wrote:
> Benjamin Herrenschmidt wrote:
>> Seems that we are in interrupt, doing hvc_poll, which does
>> tty_flip_buffer_push
>
>Which means that someone has tty->low_latency set and is calling
>tty_flip_buffer_push in an IRQ. That has never been allowed or safe, and
>now it hurts ;)
>
>/**
> > Seems that we are in interrupt, doing hvc_poll, which does
> > tty_flip_buffer_push
Which means that someone has tty->low_latency set and is calling
tty_flip_buffer_push in an IRQ. That has never been allowed or safe, and
now it hurts ;)
/**
* tty_flip_buffer_push- terminal
*
Also including Alan, he's the current tty guru
On Thu, 2009-01-08 at 08:57 +0100, Christian Borntraeger wrote:
> Am Donnerstag, 8. Januar 2009 schrieb Benjamin Herrenschmidt:
> > [ cut here ]
> > Badness at /home/benh/kernels/linux-powerpc/kernel/mutex.c:135
> > NIP: c0
Am Donnerstag, 8. Januar 2009 schrieb Benjamin Herrenschmidt:
> [ cut here ]
> Badness at /home/benh/kernels/linux-powerpc/kernel/mutex.c:135
> NIP: c04fe0dc LR: c04fe0c0 CTR: c02c4304
> REGS: cfffb660 TRAP: 0700 Not tainted (2.6.28-test)
>
Firing that off here in case I don't get a chance to investigate this
week... latest upstream with whatever I'm about to push into
powerpc-next (but I doubt it's the pending stuff that's causing it)
gives me that on a pseries machine:
[ cut here ]
Badness at /home/benh/kern
