Date: Wed, 10 Feb 2010 04:23:02 -0800 From: Randall Stewart <rrs@lakerest.net> To: Neel Natu <neelnatu@gmail.com> Cc: freebsd-mips@freebsd.org Subject: Re: Fix for buildworld hang on XLR Message-ID: <287D654A-8CC4-416E-BF8C-FEDB5DB77C98@lakerest.net> In-Reply-To: <dffe84831002092353l5ad44eb2ufef6e5db697a27f7@mail.gmail.com> References: <98a59be81002092343w74ef718l148f0f6d683285c4@mail.gmail.com> <dffe84831002092353l5ad44eb2ufef6e5db697a27f7@mail.gmail.com>
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Neel:
Yep I think both JC and I have a system that has
over 512M...
Mine shows up with abou 3Gig of memory.. thats because
some of the physical addresses are above 4Gig.. which
we can't handle.. and ignore for now.
I will try JC's patch and see how far I get..
(JC: glad you found the rge bug... I will let you
know where I get :-D)
R
On Feb 9, 2010, at 11:53 PM, Neel Natu wrote:
> Hi JC,
>
> On Tue, Feb 9, 2010 at 11:43 PM, C. Jayachandran
> <c.jayachandran@gmail.com> wrote:
>> Hi Randall,
>>
>> Looks like the buildworld hang was caused by a bug in the GMAC
>> driver.
>> In some cases an additional zero length descriptor was getting added
>> to the descriptor list which makes the GMAC go into underrun
>> condition. Can you see if this fix works for you?
>>
>> The patch is at http://sites.google.com/site/cjayachandran/files/rge.c.diff
>>
>> I still get a crash in pmap_enter during buildworld after quite a
>> long
>> time. It seems that de-referencing the pte in some cases crashes. I'm
>> looking at it.
>>
>
> How much memory do you have installed on your system? Is any of that
> memory mapped above 512MB (physical)?
>
> best
> Neel
>
>> Regards,
>> JC.
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>>
>
------------------------------
Randall Stewart
803-317-4952 (cell)
803-345-0391(direct)
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