Re: hvc_console change results in corrupt oops output

On Tue, 2011-07-05 at 04:17 +0000, Tabi Timur-B04825 wrote:

On Mon, Jul 4, 2011 at 9:24 AM, Hendrik Brueckner
[off-list ref] wrote:

quoted

I will check this again for my hvc_iucv back-end.  Meanwhile a found
an old thread discussing the same issue.  It covers some differences
between console and ttys which actually does not matter for hvc-backend
because of the shared put_chars() routine.

You can read the thread on lkml.org: http://lkml.org/lkml/2009/10/15/149

I started that thread.  After much soul searching, we came to the
conclusion that HVC is not compatible with hypervisors that return
BUSY on writes. 

That is a fun conclusion considering that hvc has been written for the
pseries hypervisor which ... can return BUSY on writes :-)

So I threw out my HVC driver and rewrote it as a
standard console and TTY driver.  That driver is waiting to be
included in the 3.1 kernel.

Sucktastic.

We just need to fix HVC properly.

Cheers,
Ben.