Re: [Xen-devel] Re: xen hg tree from yesterda hangs when kernel console is directed to ttyS0

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

In unstable changeset 9419 I've reduced contention for the serial-line
spinlock, particularly in the serial ISR. It certainly has cleaned up
some weird behaviour that I was able to reproduce when I hit the
serial line hard from within Xen itself. It's not clear it'll fix your
problems, but worth testing.

 -- Keir

> Not one bit (pun intended).
> 
> -b
> 
> Stephen C. Tweedie wrote:
> > Hi,
> > 
> > On Wed, 2006-03-22 at 16:37 -0500, Ben Thomas wrote:
> > 
> >>No, sorry, implicit context here.  It really feels like a
> >>serial line issue.  When I talk about using vga, it's
> >>concurrent usage with com1.  I've never had a problem
> >>with using only vga.
> > 
> > 
> > OK, so it sounds very similar to what I'm seeing; does sync_console
> > really not help?
> > 
> > --Stephen
> > 
> > 
> 
> 
> -- 
> ------------------------------------------------------------------------
> Ben Thomas                                         Virtual Iron Software
> bthomas@xxxxxxxxxxxxxxx                            Tower 1, Floor 2
> 978-849-1214                                       900 Chelmsford Street
>                                                     Lowell, MA 01851
> 
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