Re: [BUG] Erroneous behavior in try_to_coalesce

2015-10-28 Thread Eric Dumazet
On Thu, 2015-10-29 at 04:19 +0900, Nikolay Borisov wrote: > > > Could you please comment whether it looks viable so that I can resend > as a proper fix? Also the interesting question is what kind of packets > could trigger this warn_on_once? In both traces ovs_packet_cmd_execute > is present so

[BUG] Erroneous behavior in try_to_coalesce

2015-10-28 Thread Nikolay Borisov
Hello, Recently I observed 2 crashes on one of my server with the following backtraces: [22751.889645] [ cut here ] [22751.889660] WARNING: CPU: 38 PID: 12807 at net/core/skbuff.c:3498 skb_try_coalesce+0x34b/0x360() [22751.889661] Modules linked in: tcp_diag inet_diag xt_L