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Re: [Qemu-devel] QEMU dies on any attempt to load a Linux kernel module
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From: |
Christopher Covington |
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Subject: |
Re: [Qemu-devel] QEMU dies on any attempt to load a Linux kernel module when using a 9P rootfs |
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Date: |
Tue, 26 Nov 2013 10:16:54 -0500 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 |
Hi Richard,
On 11/25/2013 04:50 PM, Richard Yao wrote:
> I figured out the problem. There is zerocopy IO is being done via DMA to
> a buffer allocated with valloc(). Right now, I am running a hack-fix
> locally so I can get some other stuff done first. I will propose a
> proper fix to the list in a few days.
I've also encountered this issue on a non-QEMU simulator and have been
carrying a disable-zero-copy hack for a few months. Let me know if there's
anything I can help with.
Christopher
--
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