linux-kernel - Re: Hang on suspend

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Message-Id: <200802241223.46930.rjw@sisk.pl>
Date:	Sun, 24 Feb 2008 12:23:46 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Julian Blake Kongslie <jblake@...wallhack.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Hang on suspend

On Sunday, 24 of February 2008, Julian Blake Kongslie wrote:
> On Sat, 2008-02-23 at 21:43 +0100, Rafael J. Wysocki wrote:
> > Can you please apply the appened patch and retest?
> 
> Didn't apply cleanly to v2.6.25-rc2; I had to mangle one or two lines.
> The patch I applied follows at the end of this message.
> 
> Unfortunately, it's about the same as before. I got:
> 
> Freezing user space processes ... (elapsed 0.00 seconds) done.
> Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
> ACPI: Preparing to enter system sleep state S3
> sd 0:0:0:0: [sda] Synchronizing SCSI cache
> sd 0:0:0:0: [sda] Stopping disk
> nsc-ircc 00:0b: disabled
> parport_pc 00:0a: disabled
> eth1: Going into suspend...
> ACPI: PCI interrupt for device 0000:0b:02.0 disabled
> ACPI: PCI interrupt for device 0000:00:1e.3 disabled
> ACPI: PCI interrupt for device 0000:00:1e.2 disabled
> ACPI: PCI interrupt for device 0000:00:1d.7 disabled
> ACPI: PCI interrupt for device 0000:00:1d.3 disabled
> ACPI: PCI interrupt for device 0000:00:1d.2 disabled
> ACPI: PCI interrupt for device 0000:00:1d.1 disabled
> ACPI: PCI interrupt for device 0000:00:1d.0 disabled
> BUG: unable to handle kernel NULL pointer dereference at 00000090

Can you please check what's at the address platform_suspend_late+0x19?

You can used "gdb vmlinux" and then "l *platform_suspend_late+0x19" under the
gdb for this purpose.

Thanks,
Rafael
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