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From: Bernhard Walle <bwalle@suse.de>
To: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Cc: Jay Lan <jlan@sgi.com>, Kexec Mailing List <kexec@lists.infradead.org>
Subject: Re: [PATCH] [makedumpfile] Implement memory regions on IA64
Date: Mon, 14 May 2007 20:15:21 +0200	[thread overview]
Message-ID: <20070514181521.GA1748@suse.de> (raw)
In-Reply-To: <20070511155950oomichi@mail.jp.nec.com>


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Hi,

sorry for the late reply, but I was out of office last week.

* Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> [2007-05-11 08:59]:
> 2007/04/26 21:37:25 +0200, Bernhard Walle <bwalle@suse.de> wrote:
> >This patch fixes an error in vaddr_to_offset_ia64() which happened on
> >a SGI machine here while retrieving the utsname from the kernel dump
> >image. It implements memory region support for IA64.
> 
> For ia64 DISCONTIGMEM support, I added the translation (virtual address
> to physical address) by using layer 3 paging into your patch.
> I created 2 attached patches for ia64 DISCONTIGMEM support.
> 
> I confirmed makedumpfile with these patches can run on linux-2.6.18 kernel
> (made of RHEL5 kernel by changing configs from SPARSEMEM to DISCONTIGMEM).
> Could you please test them on SLES10 ?

it doesn't work here. The config file is generated, but at runtime I
get a SEGV which is caused by a endless recusion of ia64_vtop() while
resolving the utsname.

I'm looking into this ...

> BTW, the patches don't run on stock linux-2.6.20 w/DISCONTIGMEM
> (it works with stock linux-2.6.20 w/SPARSEMEM)
> I am trying to resolve the problem and if you have any idea about
> kernel changes between 2.6.18-20, please let me know.

Sorry, no.



Thanks,
   Bernhard

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  reply	other threads:[~2007-05-14 18:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-26 19:37 [PATCH] [makedumpfile] Implement memory regions on IA64 Bernhard Walle
2007-05-11  6:59 ` Ken'ichi Ohmichi
2007-05-14 18:15   ` Bernhard Walle [this message]
2007-05-14 21:49     ` Bernhard Walle
2007-05-15 22:08       ` Bernhard Walle
2007-05-16 11:20         ` Ken'ichi Ohmichi
2007-05-16 11:26           ` Bernhard Walle
2007-05-21  9:32           ` Ken'ichi Ohmichi
2007-05-21  9:54             ` Bernhard Walle
  -- strict thread matches above, loose matches on Subject: below --
2007-04-27 10:31 tachibana

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