From: Jim Bos <jim876@xs4all.nl>
To: Maarten Lankhorst <m.b.lankhorst@gmail.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Greg KH <gregkh@suse.de>, "H. Peter Anvin" <hpa@linux.intel.com>
Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system
Date: Mon, 06 Jun 2011 17:40:18 +0200 [thread overview]
Message-ID: <4DECF4E2.2010907@xs4all.nl> (raw)
In-Reply-To: <4DECEBE6.3060302@gmail.com>
On 06/06/2011 05:01 PM, Maarten Lankhorst wrote:
> Hi Matthew,
>
> 2011/6/3 Matthew Garrett <mjg59@srcf.ucam.org>:
>> On Fri, Jun 03, 2011 at 04:26:27PM +0200, Jim Bos wrote:
>>> On 06/03/2011 03:33 PM, Matthew Garrett wrote:
>>>> ? You've got 143 boot services/code regions, which is more than I'd
>>>> tested against, so I'm unsure whether we're overflowing something here.
>>>>
>>>
>>> That's seems to be the only EFI patch in 2.6.39.1 and I effectively
>>> removed by =not= applying (skipping) the parts of the 2.6.39.1 patch to
>>> above 3 files.
>>> So yes removing "x86, efi: Retain boot service code until after
>>> switching to virtual mode" indeed fixes the problem for me.
>>
>> Ok, thanks. I'll look into that. Might be best to drop it from stable
>> for the moment until I've made sure it works on machines with excessive
>> maps.
>
> Looking at your patch in 2.6.39.1
>
> I see:
> + memblock_x86_reserve_range(start, start + size, "EFI Boot");
>
> and to free it:
> + free_bootmem_late(start, size);
>
> Maybe this is causing the pager issue on 3.0, can you test this patch?
>
>
> efi: free memory with the correct call
>
> Commit 916f676f8dc introduced a call to free_bootmem_late while it
> reserves memory with memblock_x64_reserve_range
> Fix this call to silence the swapper BUGs:
>
> BUG: Bad page state in process swapper pfn:00000
>
> diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
> index 0d3a4fa..d2eefaa 100644
> --- a/arch/x86/platform/efi/efi.c
> +++ b/arch/x86/platform/efi/efi.c
> @@ -29,7 +29,6 @@
> #include <linux/kernel.h>
> #include <linux/init.h>
> #include <linux/efi.h>
> -#include <linux/bootmem.h>
> #include <linux/memblock.h>
> #include <linux/spinlock.h>
> #include <linux/uaccess.h>
> @@ -334,7 +333,7 @@ static void __init efi_free_boot_services(void)
> md->type != EFI_BOOT_SERVICES_DATA)
> continue;
>
> - free_bootmem_late(start, size);
> + memblock_x86_free_memory_in_range(start, start + size);
> }
> }
>
>
> --
> ~Maarten
>
For me that indeed gets rid of the "BUG Bad page state...", ie. all is
fine on 3.0-rc1 with this patch on top.
Tested-By: Jim Bos <jim876@xs4all.nl>
Jim.
next prev parent reply other threads:[~2011-06-06 15:40 UTC|newest]
Thread overview: 129+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-06 11:15 gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ? Jim
2010-11-07 21:31 ` Andi Kleen
2010-11-07 22:41 ` Andreas Schwab
2010-11-07 23:03 ` Andi Kleen
2010-11-08 10:49 ` Richard Guenther
2010-11-08 11:20 ` Andi Kleen
2010-11-08 11:20 ` Richard Guenther
2010-11-08 11:47 ` Paul Koning
2010-11-08 11:53 ` Jakub Jelinek
2010-11-08 12:20 ` Michael Matz
2010-11-08 18:39 ` Dave Korn
2010-11-09 13:00 ` Michael Matz
2010-11-09 13:48 ` Andi Kleen
2010-11-09 13:57 ` Andreas Schwab
2010-11-09 16:43 ` Jim
2010-11-13 11:13 ` [PATCH] i8k: Tell gcc that *regs gets clobbered Jim Bos
2010-11-15 0:52 ` gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ? James Cloos
2010-11-15 3:21 ` Linus Torvalds
2010-11-15 8:56 ` Jakub Jelinek
2010-11-15 9:12 ` Andi Kleen
2010-11-15 9:20 ` Jakub Jelinek
2010-11-15 10:03 ` Jakub Jelinek
2010-11-15 10:54 ` Andi Kleen
2010-11-15 11:16 ` Jakub Jelinek
2010-11-15 11:37 ` Andi Kleen
2010-11-15 17:36 ` Jim Bos
2010-11-15 17:44 ` Jakub Jelinek
2010-11-15 18:17 ` Jim Bos
2010-11-15 18:26 ` Jakub Jelinek
2010-11-15 19:10 ` Jim Bos
2010-11-15 16:04 ` Linus Torvalds
2010-11-15 17:40 ` Jim Bos
2010-11-15 18:08 ` Linus Torvalds
2010-11-15 18:30 ` Jim Bos
2010-11-15 18:37 ` Jim Bos
2010-11-15 18:56 ` Linus Torvalds
2010-11-15 18:58 ` Jakub Jelinek
2010-11-15 19:12 ` Jakub Jelinek
2010-11-15 19:21 ` Linus Torvalds
2010-11-15 19:51 ` Jakub Jelinek
2010-11-15 20:22 ` Jim Bos
2011-06-03 13:05 ` 2.6.39.1 immediately reboots/resets on EFI system Jim Bos
2011-06-03 13:33 ` Matthew Garrett
2011-06-03 14:26 ` Jim Bos
2011-06-03 14:46 ` Matthew Garrett
2011-06-05 10:40 ` Jim Bos
2011-06-05 12:57 ` Maarten Lankhorst
2011-06-06 15:01 ` Maarten Lankhorst
2011-06-06 15:40 ` Jim Bos [this message]
2011-06-06 15:44 ` Matthew Garrett
2011-06-06 15:27 ` Maarten Lankhorst
2011-06-06 16:11 ` Jim Bos
2011-06-06 16:43 ` Maarten Lankhorst
2011-06-07 0:19 ` Yinghai Lu
2011-06-07 1:41 ` Matthew Garrett
2011-06-07 2:05 ` Yinghai Lu
2011-06-07 8:25 ` Maarten Lankhorst
2011-06-07 15:14 ` Yinghai Lu
2011-06-07 9:08 ` Maarten Lankhorst
2011-06-07 12:22 ` Maarten Lankhorst
2011-06-07 22:25 ` Yinghai Lu
2011-06-08 16:44 ` Jim Bos
2011-06-08 19:17 ` Yinghai Lu
2011-06-08 19:23 ` Matthew Garrett
2011-06-08 19:27 ` Yinghai Lu
2011-06-08 19:29 ` Matthew Garrett
2011-06-08 19:35 ` Yinghai Lu
2011-06-08 19:38 ` Matthew Garrett
2011-06-08 19:46 ` Yinghai Lu
2011-06-08 19:52 ` Matthew Garrett
2011-06-08 19:48 ` Yinghai Lu
2011-06-08 19:52 ` Matthew Garrett
2011-06-08 20:03 ` Yinghai Lu
2011-06-08 20:09 ` Matthew Garrett
2011-06-08 20:23 ` Yinghai Lu
2011-06-08 20:30 ` Matthew Garrett
2011-06-08 20:36 ` Yinghai Lu
2011-06-08 20:42 ` Matthew Garrett
2011-06-08 20:46 ` Yinghai Lu
2011-06-08 21:06 ` Matthew Garrett
2011-06-08 21:06 ` Linus Torvalds
2011-06-08 21:28 ` Matthew Garrett
2011-06-08 21:31 ` H. Peter Anvin
2011-06-08 21:36 ` Matthew Garrett
2011-06-08 21:31 ` Linus Torvalds
2011-06-08 21:42 ` Matthew Garrett
2011-06-08 21:51 ` H. Peter Anvin
2011-06-08 22:57 ` Linus Torvalds
2011-06-08 23:54 ` Maarten Lankhorst
2011-06-08 21:38 ` Yinghai Lu
2011-06-10 16:47 ` Matthew Garrett
2011-06-10 17:51 ` Maarten Lankhorst
2011-06-10 17:54 ` Matthew Garrett
2011-06-10 22:45 ` Maarten Lankhorst
2011-06-10 22:58 ` Yinghai Lu
2011-06-10 23:03 ` Matthew Garrett
2011-06-10 23:17 ` Greg KH
2011-06-10 23:22 ` Maarten Lankhorst
2011-06-10 23:25 ` H. Peter Anvin
2011-06-10 23:26 ` Yinghai Lu
2011-06-10 23:32 ` H. Peter Anvin
2011-06-10 23:55 ` Yinghai Lu
2011-06-11 0:00 ` H. Peter Anvin
2011-06-11 0:19 ` Yinghai Lu
2011-06-14 18:06 ` H. Peter Anvin
2011-06-11 15:29 ` Matthew Garrett
2011-06-10 23:00 ` Yinghai Lu
2011-06-13 16:47 ` Matthew Garrett
2011-06-13 17:52 ` Maarten Lankhorst
2011-06-13 18:00 ` Matthew Garrett
2011-06-13 18:14 ` Maarten Lankhorst
2011-06-13 18:17 ` Matthew Garrett
2011-06-13 18:23 ` Maarten Lankhorst
2011-06-13 18:33 ` Matthew Garrett
2011-06-13 18:45 ` Maarten Lankhorst
2011-06-14 14:34 ` Maarten Lankhorst
2011-06-14 14:50 ` Maarten Lankhorst
2011-06-14 14:55 ` Matthew Garrett
2010-11-15 22:43 ` gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ? Andi Kleen
2010-11-15 22:46 ` Jakub Jelinek
2010-11-15 19:53 ` Richard Henderson
2010-11-15 10:24 ` Richard Guenther
2010-11-15 18:45 ` Jeff Law
2010-11-15 19:04 ` Linus Torvalds
2010-11-15 22:07 ` Richard Guenther
2010-11-15 22:58 ` Jeff Law
2010-11-15 23:07 ` Richard Guenther
2010-11-16 4:10 ` Jeff Law
2010-11-15 18:42 ` Jeff Law
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