linux-kernel - Re: [Bug #14378] Problems with net/core/skbuff.c

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Message-ID: <4AD62626.6010709@navynet.it>
Date:	Wed, 14 Oct 2009 21:27:34 +0200
From:	Massimo Cetra <mcetra@...ynet.it>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Massimo Cetra <ctrixk@...ynet.it>,
	David Miller <davem@...emloft.net>, rjw@...k.pl,
	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [Bug #14378] Problems with net/core/skbuff.c

Massimo Cetra ha scritto:
> Eric Dumazet ha scritto:
>> Could you please following patch ?
>>
>> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
>> index 8d00976..54bf091 100644
>> --- a/drivers/net/virtio_net.c
>> +++ b/drivers/net/virtio_net.c
>> @@ -454,7 +454,7 @@ static unsigned int free_old_xmit_skbs(struct 
>> virtnet_info *vi)
>>          vi->dev->stats.tx_bytes += skb->len;
>>          vi->dev->stats.tx_packets++;
>>          tot_sgs += skb_vnet_hdr(skb)->num_sg;
>> -        kfree_skb(skb);
>> +        dev_kfree_skb_any(skb);
>>      }
>>      return tot_sgs;
>>  }
>>
>>
>>   
> Thank you very much.
>
> Compiling.
> It' will be in production in a few minutes.
> I'll let you know if the problem arises again.
> give me a couple of days because this problem is randomly triggered.
> Sometimes it happens multiple times a day, sometimes none.
>
Eric,
thanks for the patch.
The problem didn't arise again and i haven't seen any warning like that 
on both servers where that problem was happening more frequently.

I would say that it's fixed and if it's not, i'll let you know as soon 
as it happens again.

Thanks again,
Max



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