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From: Stephen Hemminger <stephen@networkplumber.org>
To: Laurent Bigonville <bigon@bigon.be>
Cc: netdev@vger.kernel.org
Subject: Re: [sky2 driver] 88E8056 PCI-E Gigabit Ethernet Controller not working after suspend
Date: Wed, 10 Oct 2018 12:09:22 -0700	[thread overview]
Message-ID: <20181010120922.6831b0fe@xeon-e3> (raw)
In-Reply-To: <aa7dd2f9-fc1a-6b59-3f9a-716dfbc4de9b@bigon.be>

On Wed, 10 Oct 2018 03:16:40 +0200
Laurent Bigonville <bigon@bigon.be> wrote:

> Le 9/10/18 à 22:09, Stephen Hemminger a écrit :
> > On Tue, 9 Oct 2018 19:30:30 +0200
> > Laurent Bigonville <bigon@bigon.be> wrote:
> >  
> >> Hello,
> >>
> >> On my desktop (Asus MB with dual Ethernet port), when waking up after
> >> suspend, the network card is not detecting the link.
> >>
> >> I have to rmmod the sky2 driver and then modprobing it again.
> >>
> >> lspci shows me:
> >>
> >> 04:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8056 PCI-E
> >> Gigabit Ethernet Controller (rev 12)
> >> 05:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8056 PCI-E
> >> Gigabit Ethernet Controller (rev 12)
> >>
> >> An idea what's wrong here?
> >>
> >> Kind regards,
> >>
> >> Laurent Bigonville
> >>  
> > I used to have that motherboard (about 8 years ago). Long  dead by now.
> >
> > There was some issue with how the power management worked. Forgot the workaround,
> > you might have to dig in the mailing list archive.  
> 
> I've made some test and it seems that this was working in 4.14 and then 
> broken in 4.15 (using the debian kernel pkg), so it was working not that 
> long ago:
> 
> The only commit I see to the sky2 driver is the following:
> 
> commit e99e88a9d2b067465adaa9c111ada99a041bef9a
> Author: Kees Cook <keescook@chromium.org>
> Date:   Mon Oct 16 14:43:17 2017 -0700
> 
>      treewide: setup_timer() -> timer_setup()
> 
>      This converts all remaining cases of the old setup_timer() API into 
> using
>      timer_setup(), where the callback argument is the structure already
>      holding the struct timer_list. These should have no behavioral changes,
>      since they just change which pointer is passed into the callback with
>      the same available pointers after conversion. It handles the following
>      examples, in addition to some other variations.
> 
> 

Probably something in PCI power management could. 

  reply	other threads:[~2018-10-11  2:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-09 17:30 [sky2 driver] 88E8056 PCI-E Gigabit Ethernet Controller not working after suspend Laurent Bigonville
2018-10-09 20:09 ` Stephen Hemminger
2018-10-10  1:16   ` Laurent Bigonville
2018-10-10 19:09     ` Stephen Hemminger [this message]
2018-11-30 11:16       ` Laurent Bigonville
2018-12-05  1:07         ` Laurent Bigonville

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