Ilpo Järvinen wrote: > On Fri, 28 Sep 2007, Ilpo Järvinen wrote: >> On Fri, 28 Sep 2007, Cedric Le Goater wrote: >> >>> I just found that warning in my logs. It seems that it's been >>> happening since rc7-mm1 at least. >>> >>> WARNING: at /home/legoater/linux/2.6.23-rc8-mm2/net/ipv4/tcp_input.c:2314 >>> tcp_fastretrans_alert() >>> >>> Call Trace: >>> <IRQ> [<ffffffff8040fdc3>] tcp_ack+0xcd6/0x1894 >>> ...snip... >> ...Thanks for the report, I'll have look what could still break >> fackets_out... > > I think this one is now clear to me, tcp_fragment/collapse adjusts > fackets_out (incorrectly) also for reno flow when there were some dupACKs > that made sacked_out != 0. Could you please try if patch below proves all > them to be of non-SACK origin... In case that's true, it's rather > harmless, I'll send a fix on Monday or so (this would anyway be needed)... > If you find out that them occur with SACK enabled flow, that would be > more interesting and requires more digging...
I'm trying now to reproduce this WARNING. It seems that the n/w behaves differently during the week ends. Probably taking a break. C. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/