From: Yinghai Lu <yinghai@kernel.org>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
Stanislaw Gruszka <sgruszka@redhat.com>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Maxim Uvarov <muvarov@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Neil Horman <nhorman@redhat.com>
Subject: Re: kdump broken on 2.6.37-rc4
Date: Fri, 17 Dec 2010 11:52:11 -0800 [thread overview]
Message-ID: <4D0BBF6B.4060105@kernel.org> (raw)
In-Reply-To: <20101217195035.GE14502@redhat.com>
On 12/17/2010 11:50 AM, Vivek Goyal wrote:
> On Fri, Dec 17, 2010 at 11:46:08AM -0800, Yinghai Lu wrote:
>> On 12/17/2010 11:39 AM, H. Peter Anvin wrote:
>>> On 12/17/2010 10:21 AM, Yinghai Lu wrote:
>>>>>>
>>>>>> Do we have actual testing for how high the 64-bit kernel will load?
>>>>>
>>>>> I will do some experiments on my box today and let you know.
>>>>
>>>> if bzImage is used, it is 896M.
>>>>
>>>
>>> Why? 896 MiB is a 32-bit kernel limitation which doesn't have anything
>>> to do with the bzImage format.
>>>
>>> So unless there is something going on here, I suspect you're just plain
>>> flat wrong.
>>
>> kexec-tools have some checking when it loads bzImage.
>>
>
> Yinghai,
>
> I think x86_64 might have just inherited the settings of 32bit without
> giving it too much of thought. At that point of time nobody bothered
> to load the kernel from high addresses. So these might be artificial
> limits.
good point. will check that.
next prev parent reply other threads:[~2010-12-17 19:52 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-03 11:16 kdump broken on 2.6.37-rc4 Stanislaw Gruszka
2010-12-03 15:46 ` Maxim Uvarov
2010-12-03 17:11 ` Stanislaw Gruszka
2010-12-03 17:54 ` Neil Horman
2010-12-07 10:50 ` Stanislaw Gruszka
2010-12-07 19:24 ` Yinghai Lu
2010-12-08 14:19 ` Stanislaw Gruszka
2010-12-09 7:16 ` Yinghai Lu
2010-12-09 12:41 ` Stanislaw Gruszka
2010-12-09 20:09 ` Yinghai Lu
2010-12-13 10:08 ` Stanislaw Gruszka
2010-12-13 18:20 ` Yinghai Lu
2010-12-13 19:47 ` H. Peter Anvin
2010-12-14 22:41 ` Vivek Goyal
2010-12-15 10:39 ` Stanislaw Gruszka
2010-12-15 22:41 ` Yinghai Lu
2010-12-16 4:29 ` Yinghai Lu
2010-12-16 10:00 ` Stanislaw Gruszka
2010-12-16 16:16 ` H. Peter Anvin
2010-12-16 16:22 ` Vivek Goyal
2010-12-16 16:53 ` H. Peter Anvin
2010-12-18 21:50 ` Yinghai Lu
2010-12-16 14:39 ` Vivek Goyal
2010-12-16 16:28 ` H. Peter Anvin
2010-12-16 17:28 ` Yinghai Lu
2010-12-16 19:58 ` H. Peter Anvin
2010-12-16 22:57 ` Yinghai Lu
2010-12-16 23:30 ` Yinghai Lu
2010-12-16 23:49 ` Yinghai Lu
2010-12-17 0:39 ` Yinghai Lu
2010-12-17 1:06 ` H. Peter Anvin
2010-12-17 1:21 ` H. Peter Anvin
2010-12-17 1:51 ` H. Peter Anvin
2010-12-17 3:05 ` Yinghai Lu
2010-12-17 3:07 ` Yinghai Lu
2010-12-17 3:19 ` [tip:x86/urgent] x86-32: Make sure we can map all of lowmem if we need to tip-bot for H. Peter Anvin
2010-12-17 14:33 ` Stanislaw Gruszka
2010-12-16 22:01 ` kdump broken on 2.6.37-rc4 Vivek Goyal
2010-12-16 22:58 ` Yinghai Lu
2010-12-17 16:15 ` Vivek Goyal
2010-12-17 1:15 ` H. Peter Anvin
2010-12-17 3:31 ` H. Peter Anvin
2010-12-17 3:58 ` Yinghai
2010-12-17 4:08 ` H. Peter Anvin
2010-12-17 4:46 ` Yinghai Lu
2010-12-17 5:16 ` H. Peter Anvin
2010-12-17 17:01 ` Vivek Goyal
2010-12-17 17:56 ` H. Peter Anvin
2010-12-17 18:02 ` Vivek Goyal
2010-12-17 18:21 ` Yinghai Lu
2010-12-17 18:35 ` Vivek Goyal
2010-12-17 19:39 ` H. Peter Anvin
2010-12-17 19:46 ` Yinghai Lu
2010-12-17 19:50 ` Vivek Goyal
2010-12-17 19:52 ` Yinghai Lu [this message]
2010-12-17 20:01 ` Vivek Goyal
2010-12-17 20:06 ` Yinghai Lu
2010-12-17 20:34 ` Vivek Goyal
2010-12-17 23:51 ` Vivek Goyal
2010-12-17 19:56 ` H. Peter Anvin
2010-12-17 20:11 ` Vivek Goyal
2010-12-17 20:59 ` H. Peter Anvin
2010-12-17 21:13 ` Vivek Goyal
2010-12-20 16:31 ` Stanislaw Gruszka
2010-12-18 4:34 ` [tip:x86/urgent] x86, kexec: Limit the crashkernel address appropriately tip-bot for H. Peter Anvin
2010-12-17 19:50 ` kdump broken on 2.6.37-rc4 H. Peter Anvin
2010-12-13 10:25 ` Américo Wang
2010-12-05 14:35 ` Maciej Rutecki
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