Re: 2.6.10-mm3: swsusp: out of memory on resume (was: Re: Ho ho ho - Linux v2.6.10)

[hugang]

On Sat, Jan 15, 2005 at 12:42:35AM +0100, Rafael J. Wysocki wrote:
> On Friday, 14 of January 2005 15:34, you wrote:
> > On Thu, Jan 13, 2005 at 07:09:24PM +0100, Rafael J. Wysocki wrote:
> > > Hi,
> > > 
> > > 
> > > Has this patch been ported to x86_64?  Or is there a newer version of it anywhere,
> > > or an alternative?
> > > 
> > 
> > Ok, Here is a new patch with x86_64 support, But I have not machine, So
> > Need someone test it. 
> > 
> > 2.6.11-rc1-mm1 
> >  -> 2005-1-14.core.diff 	core patch		TEST PASSED
> >   -> 2005-1-14.x86_64.diff	x86_64 patch	NOT TESTED
> 
> Unfortunately, on x86_64 it goes south on suspend, probably somwhere in write_pagedir(),
> but I'm not quite sure as I can't make it print any useful stuff to the serial console
> (everything is dumped to a virtual tty only).  Seemingly, it prints some
> "write_pagedir: ..." debug messages and then starts to print garbage in
> an infinite loop.

Try enable debug in swsusp, 
<....>
#include "power.h"
#undef pr_debug
#define pr_debug printk
<....>

 Enable serial conosole, 
 Adding console=ttyS0 in boot command line.

Then do software suspend, And send the log to me, that will useful. 

For other reference, I using qemu As X86-64 emulation, But current qemu
X86-64 not full works, the kernel hang after copy_page in suspend, I'll
enable CPU and ASM log in qemu to finger other where is the problem.

-- 
Hu Gang       .-.
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