From: Rusty Russell <rusty@rustcorp.com.au>
To: Virtualization List <virtualization@lists.linux-foundation.org>
Cc: Amit Shah <amit.shah@redhat.com>
Subject: Re: [PATCH 0/2] Fix hot-unplug: device removal while port in use
Date: Wed, 02 Mar 2011 21:38:08 +1030 [thread overview]
Message-ID: <87aahdn5k7.fsf@rustcorp.com.au> (raw)
In-Reply-To: <cover.1299054025.git.amit.shah@redhat.com>
On Wed, 2 Mar 2011 13:53:06 +0530, Amit Shah <amit.shah@redhat.com> wrote:
> A crash was observed when a device gets removed while a port is in
> use. When the port gets removed, we tried to free vq buffers. The vq
> no longer exists at this stage, just ensure we don't access it.
>
> The second patch fixes a warning where the pci region is already
> freed. I'm not sure what or how the region gets freed, any clues
> there will be helpful.
Put a printk and WARN_ON() in the pci region freeing code, look through
the backtraces?
Rusty.
next prev parent reply other threads:[~2011-03-02 11:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-02 8:23 [PATCH 0/2] Fix hot-unplug: device removal while port in use Amit Shah
2011-03-02 8:23 ` [PATCH 1/2] virtio: console: Don't access vqs if device was unplugged Amit Shah
2011-03-02 8:23 ` [PATCH 2/2] virtio: console: Don't call device_destroy() on port device Amit Shah
2011-03-02 11:08 ` Rusty Russell [this message]
2011-03-02 13:38 ` [PATCH 0/2] Fix hot-unplug: device removal while port in use Amit Shah
2011-03-11 11:16 ` Amit Shah
2011-03-16 4:01 ` Rusty Russell
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