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From: Francois Romieu <romieu@fr.zoreil.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
	jcliburn@gmail.com, chris.snook@gmail.com,
	netdev@vger.kernel.org, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	linux-mm@kvack.org, nic-devel@qualcomm.com, ronangeles@gmail.com,
	ebiederm@xmission.com, David Miller <davem@davemloft.net>
Subject: Re: 4.3+: Atheros ethernet fails after resume from s2ram, due to order 4 allocation
Date: Thu, 26 Nov 2015 22:56:39 +0100	[thread overview]
Message-ID: <20151126215638.GA22801@electric-eye.fr.zoreil.com> (raw)
In-Reply-To: <20151126163413.GA3816@amd>

Pavel Machek <pavel@ucw.cz> :
[...]
> Ok, so what went on is easy.. any ideas how to fix it ?

The driver should 1) prohibit holes in its receive ring, 2) allocate before
pushing data up in the stack 3) drop packets when it can't allocate a
fresh buffer and 4) stop releasing receive buffers - and any resource for
that matter - during suspend.

Really.

-- 
Ueimor

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  reply	other threads:[~2015-11-26 21:56 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-26 16:34 Pavel Machek
2015-11-26 21:56 ` Francois Romieu [this message]
2015-11-27  8:20 ` Michal Hocko
2015-11-28 14:50   ` Pavel Machek
2015-11-28 14:51   ` [PATCH] Improve Atheros ethernet driver not to do order 4 GFP_ATOMIC allocation Pavel Machek
2015-11-29 21:58     ` Sergei Shtylyov
2015-11-30 13:21     ` Michal Hocko
2015-12-01 20:35       ` David Miller
2015-12-02 22:43         ` Chris Snook
2015-12-03  7:49           ` Pavel Machek
2015-12-03  8:16           ` Michal Hocko
2015-12-03 19:26             ` Chris Snook
2015-11-30 17:58     ` Eric Dumazet
2015-12-01 20:36       ` David Miller
2015-12-03 15:59         ` Pavel Machek
2015-12-03 15:59     ` [PATCH net] atl1c: Improve " Pavel Machek
2015-12-03 16:13       ` Michal Hocko
2015-12-03 17:17       ` Eric Dumazet
2015-12-03 17:32         ` David Miller
2015-12-04  8:11           ` Pavel Machek
2015-12-04 16:21             ` David Miller
2015-12-04 21:30               ` Pavel Machek
2015-12-04 22:01                 ` David Miller
2015-12-04  8:50       ` Pavel Machek

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