From: Christopher Covington <cov@codeaurora.org>
To: Richard Yao <ryao@gentoo.org>
Cc: kernel@gentoo.org, v9fs-developer@lists.sourceforge.net,
qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] QEMU dies on any attempt to load a Linux kernel module when using a 9P rootfs
Date: Tue, 26 Nov 2013 10:16:54 -0500 [thread overview]
Message-ID: <5294BB66.3060608@codeaurora.org> (raw)
In-Reply-To: <5293C622.4070304@gentoo.org>
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
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by the Linux Foundation.
next prev parent reply other threads:[~2013-11-26 15:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-25 15:49 [Qemu-devel] QEMU dies on any attempt to load a Linux kernel module when using a 9P rootfs Richard Yao
2013-11-25 21:50 ` Richard Yao
2013-11-26 15:16 ` Christopher Covington [this message]
2013-11-26 15:38 ` Richard Yao
2013-11-26 15:47 ` Richard Yao
2014-08-21 19:50 ` Christopher Covington
2014-08-22 3:00 ` Richard Yao
2014-08-22 6:27 ` [Qemu-devel] [V9fs-developer] " Dominique Martinet
2014-08-22 12:37 ` Christopher Covington
2014-08-22 12:49 ` Dominique Martinet
2014-08-22 17:54 ` Christopher Covington
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