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Date: Sun, 24 May 2009 17:32:05 +0200 From: Michael Guntsche <mike@...loops.com> To: Lennert Buytenhek <buytenh@...tstofly.org> Cc: Andy Fleming <afleming@...escale.com>, davem@...emloft.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: [PATCH,RFC] gianfar: fix BUG under load after introduction of skb recycling On May 23, 2009, at 13:51, Lennert Buytenhek wrote: > Since commit 0fd56bb5be6455d0d42241e65aed057244665e5e ("gianfar: > Add support for skb recycling"), gianfar puts skbuffs that are in > the rx ring back onto the recycle list as-is in case there was a > receive error, but this breaks the following invariant: that all > skbuffs on the recycle list have skb->data = skb->head + NET_SKB_PAD. > > > Michael, can you re-test with this version of the patch? > Andy, can you see if this is OK with you? Hi, I have been running tests with this patch for the last 6 hours and had no panics so far. So it fixes the issues I am seeing as well. Hope this helps, Michael -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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