linux-kernel - Re: PCI/e1000 BUG: unable to handle kernel paging request at 0ffff163

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Message-ID: <CAE9FiQVO6dj+rEP=phQD5VYEF-rak6UPYGMSV8ud0OyELo7Opg@mail.gmail.com>
Date:	Wed, 5 Sep 2012 11:41:04 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Fengguang Wu <fengguang.wu@...el.com>
Cc:	Jiang Liu <jiang.liu@...wei.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-pci@...r.kernel.org
Subject: Re: PCI/e1000 BUG: unable to handle kernel paging request at 0ffff163

On Tue, Sep 4, 2012 at 11:51 PM, Fengguang Wu <fengguang.wu@...el.com> wrote:
> Yinghai,
>
> There are many kernel paging errors showing up in tree:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-for-each-res-addon-v2
>
> The below summary shows that
>
> 1) it's a reliably reproducible bug
> 2) all paging fault happens at address 0ffff163 and in some e1000 functions
>
> I'll try to bisect if the root cause is not obvious to you.  (Cannot
> do so for now because there are 3 bisections on the way and I cannot
> afford more..)

thanks, will check that...

the 32bit kernel as kvm gust, and host is doing pci passthrough to
export the VF to the KVM guest?

Thanks

Yinghai
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