v3.5-rc1 ARM PXA possible regression

[Paul Parsons]

Hello Andrew and Arnaud,

Yes, that fixed it! I now see kernel messages on the screen.

Thank you for your help.

Regards,
Paul

--- On Mon, 4/6/12, Arnaud Patard <arnaud.patard at rtp-net.org> wrote:
> Andrew Lunn <andrew at lunn.ch>
> writes:
> 
> > Hi Paul
> 
> Hi,
> 
> >
> > I've got the same problem on my kirkwood based QNAP NAS
> box.
> >
> > I bisected it, and the problem patch for me is:
> >
> > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=7ff9554bb578ba02166071d2d487b7fc7d860d62
> >
> > printk: convert byte-buffer to variable-length record
> buffer
> >
> > I've not looked further, so i've no idea why this is
> causing problems.
> 
> There has been discussions here about that iirc. I don't
> know when a
> proper fix will be merged but one *very* *ugly* workaround
> is:
> 
> --- linux.orig/kernel/printk.c  2012-06-03
> 15:26:20.000000000 +0200
> +++ linux/kernel/printk.c   
>    2012-06-03 16:41:24.000000000 +0200
> @@ -228,7 +228,7 @@ static u32 clear_idx;
>  
>  /* record buffer */
>  #if !defined(CONFIG_64BIT) ||
> defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
> -#define LOG_ALIGN 4
> +#define LOG_ALIGN 8
>  #else
>  #define LOG_ALIGN 8
>  #endif
> 
> 
> At least it seems to work here.
> 
> Arnaud