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Re: Problems with edd

Previous thread: [PATCH] Limit E820 map and /proc/iomem for mem parameter on x86-64 by Bernhard Walle on Tuesday, June 10, 2008 - 5:53 pm. (4 messages)

Next thread: [GIT] CIFS Fixes by Steve French on Tuesday, June 10, 2008 - 6:08 pm. (1 message)
[view original message]
From: <devzero@...>
To: <keith@...>
Cc: H. Peter Anvin <hpa@...>, <linux-kernel@...>
Subject: Re: Problems with edd
Date: Tuesday, June 10, 2008 - 5:58 pm

as you can see "ok" , then this is no edd problem

it would have been an edd problem if you could only see


no, but i`m sure that this is not related to edd.


not sure if this is fedora specific, but it seems so - see for example:


http://blogs.gnome.org/diegoe/2008/04/10/vesamenuc32-attempted-dos-syste...


maybe some issue with the vesa bios probe for getting video mode information or switching to appropriate mode.


see that link. try booting with "linux" or "linux0".


regards

roland


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[view original message]
From: Keith Roberts <keith@...>
To: <linux-kernel@...>
Subject: Re: Problems with edd
Date: Wednesday, June 11, 2008 - 7:18 am

Thanks for the helpfull repies.


Please can you CC me or email directly regarding this

subject, as I'm moving to the Fedora rawhide developrs list

with this one now.


I will post the solution once it has been found to LKML.


Kind Regards


Keith Roberts.

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[view original message]
From: H. Peter Anvin <hpa@...>
To: <devzero@...>
Cc: <keith@...>, <linux-kernel@...>
Subject: Re: Problems with edd
Date: Tuesday, June 10, 2008 - 7:39 pm

I have put in syslinux 3.70-pre16 code to print the source of this

message.  You may want to try to grab isolinux from this release and

update your CD image to get some useful debugging info out of this.


	-hpa

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[view original message]
From: Keith Roberts <keith@...>
To: H. Peter Anvin <hpa@...>
Cc: <devzero@...>, <linux-kernel@...>
Subject: Re: Problems with edd
Date: Wednesday, June 11, 2008 - 4:08 pm

Not being a kernel guru, I'm not sure how to do that hpa?


Where do I get isolinux from please?


how do I update my CD image?


I'm willing to give this a try if it will sort out the

problem.


Please CC me as I'm off the list now. Can't seem to get back

on again either.


Kind Regards,


Keith

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[view original message]
From: H. Peter Anvin <hpa@...>
To: Keith Roberts <keith@...>
Cc: <devzero@...>, <linux-kernel@...>
Subject: Re: Problems with edd
Date: Wednesday, June 11, 2008 - 4:13 pm

You will need to run mkisofs with the same options used to generate the

image.


In a pinch, if you can point me to the original ISO I could try to 


That would be useful.  This is potentially a previously unreported BIOS

issue which might have a straightforward workaround, so I'm eager to get

the data.


	-hpa

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[view original message]
From: Keith Roberts <keith@...>
To: H. Peter Anvin <hpa@...>
Cc: <linux-kernel@...>
Subject: Re: Problems with edd
Date: Wednesday, June 11, 2008 - 7:52 pm

I originally got mine from:


http://mirror.switch.ch/ftp/mirror/fedora/linux/releases/9/Fedora/i386/i...


The sha1sum is:


3b1df20ece05d64c34dd9c64400975b74eded0f2  Fedora-9-i386-netinst.iso


I have also put it on my website, just in case it gets

updated on the mirrors:


http://www.karsites.net/fedora/9/Fedora-9-i386-netinst.iso


obviously same sha1sum ;)


The Fedora guys are following this thread now. I have put

the link to your patch on my Fedora bug report:


https://bugzilla.redhat.com/show_bug.cgi?id=450678


I have never built an iso file before, but I'll read up on

it. My plan was to copy the files from the F9 net-installer

CD to my hard drive, update them with your patch, and then

re-make the iso file and burn that back to CD-R. Would that 


Regards


Keith

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[view original message]
From: H. Peter Anvin <hpa@...>
To: Keith Roberts <keith@...>
Cc: <linux-kernel@...>
Subject: Re: Problems with edd
Date: Wednesday, June 11, 2008 - 7:55 pm

Yes, that should work, assuming the iso file is generated with the same

mkisofs options as the original image.


	-hpa

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[view original message]
From: H. Peter Anvin <hpa@...>
To: <devzero@...>
Cc: <keith@...>, <linux-kernel@...>
Subject: Re: Problems with edd
Date: Tuesday, June 10, 2008 - 6:48 pm

This message means something has invoked an interrupt in the range 0x20

to 0x3f, which it should never have done, since that's in the operating

system range.


Given the complaint about vesamenu further down the page, I'm assuming

the VESA BIOS is invoking a DOS interrupt(!!!!)... although it's very

hard to say for sure.


It might be possible to track down by augmenting syslinux to print the

CS:IP of the supposed DOS system call; if this is the VESA BIOS, it

would be in the range C000:xxxx.


This probably would be a useful hack anyway, so I'll just implement it.


	-hpa

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[view original message]
From: H. Peter Anvin <hpa@...>
To: <devzero@...>
Cc: <keith@...>, <linux-kernel@...>
Subject: Re: Problems with edd
Date: Tuesday, June 10, 2008 - 6:44 pm

This message usually means your vesamenu.c32 is out of sync with the

underlying Syslinux version.


If that is not an issue, there is virtually no information in that blog

(lovely to use a blog instead of filing a proper bug report) that one

can hang a hat on.


	-hpa

--
Previous thread: [PATCH] Limit E820 map and /proc/iomem for mem parameter on x86-64 by Bernhard Walle on Tuesday, June 10, 2008 - 5:53 pm. (4 messages)

Next thread: [GIT] CIFS Fixes by Steve French on Tuesday, June 10, 2008 - 6:08 pm. (1 message)