Subject: Re: [PATCH 1/1] atl1c: fix issue of transmit queue 0 timed out

From: "Luis R. Rodriguez" <[email-masked]>
Date: Tue, 26 Jun 2012 11:03:11 -0700

On Tue, Jun 26, 2012 at 12:33:06PM -0300, Ren, Cloud wrote:
> From: xiong <[email-masked]>
> 
> some people report atl1c could cause system hang with following
> kernel trace info:
> ---------------------------------------
> WARNING: at.../net/sched/sch_generic.c:258
> dev_watchdog+0x1db/0x1d0()
> ...
> NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out
> ...
> ---------------------------------------
> This is caused by netif_stop_queue calling when cable Link is down
> but netif_wake_queue isn't called when cable Link is resume.
> 
> Signed-off-by: xiong <[email-masked]>
> Signed-off-by: Cloud Ren <[email-masked]>

If this fixes  a system hang then this could be a stable
fix -- that is, this should be propagated to older stable
kernels, no?

If so then please add to the commit log a line like this:

Cc: [email-masked] [3.4]

Note: this is for the commit log! Right above the line below
that has "---"

  Luis