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From: Wei Liu <wei.liu2@citrix.com>
To: jerry <jerry.lilijun@huawei.com>
Cc: wei.liu2@citrix.com,
	"qianhuibin@huawei.com" <qianhuibin@huawei.com>,
	liuyongan@huawei.com, wangfuhai@huawei.com,
	Jan Beulich <JBeulich@suse.com>,
	qinchuanyu@huawei.com, xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: netback BUG_ON when using copy_skb=1
Date: Mon, 28 Oct 2013 11:43:29 +0000	[thread overview]
Message-ID: <20131028114329.GC23262@zion.uk.xensource.com> (raw)
In-Reply-To: <526B7E08.8050608@huawei.com>

On Sat, Oct 26, 2013 at 04:32:08PM +0800, jerry wrote:
[...]
> 
>    The patch is as follows:
> --- drivers/xen/netback/xenbus.c.old    2013-10-26 16:23:07.000000000 +0800
> +++ drivers/xen/netback/xenbus.c        2013-10-26 16:23:31.000000000 +0800
> @@ -156,9 +156,6 @@
>         if (err)
>                 goto fail;
> 
> -       /* This kicks hotplug scripts, so do it immediately. */
> -       backend_create_netif(be);
> -
>         return 0;
> 
>  abort_transaction:
> 
>    Do you have some ideas?
> 

My gut feeling is that this sort of change is regression-prone but we
have to live with that.

In any case, does upstream changeset ea732dff5c (xen-netback: Handle
backend state transitions in a more robust way) useful to you?


Wei.

  parent reply	other threads:[~2013-10-28 11:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-16  4:13 netback BUG_ON when using copy_skb=1 jerry
2013-10-16 11:10 ` Jan Beulich
2013-10-17  7:41   ` jerry
2013-10-17  8:00     ` Jan Beulich
2013-10-17 10:26       ` jerry
2013-10-17 12:11         ` Jan Beulich
2013-10-22  1:18           ` jerry
2013-10-22  7:11             ` Jan Beulich
2013-10-26  8:32   ` jerry
2013-10-28  7:43     ` Jan Beulich
2013-10-29  4:04       ` jerry
2013-10-28 11:43     ` Wei Liu [this message]
2013-10-31 15:17       ` Ian Campbell
2013-10-31 15:32         ` Wei Liu
2013-11-01  2:53           ` jerry

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