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Message-ID: <1351428300.15482.2.camel@cr0> Date: Sun, 28 Oct 2012 20:45:00 +0800 From: Cong Wang <amwang@...hat.com> To: Paolo Valente <paolo.valente@...more.it> Cc: netdev@...r.kernel.org, Stephen Hemminger <shemminger@...tta.com>, Eric Dumazet <eric.dumazet@...il.com>, Fabio Checconi <fchecconi@...il.com> Subject: Re: [RFC PATCH net-next] qfq: handle the case that front slot is empty On Fri, 2012-10-26 at 18:51 +0200, Paolo Valente wrote: > Here is a possible patch. Could you please give me a feedback? > > If this patch actually works, there are some issues related to it that I would > like to point out after your (and/or anyone else's) tests. With this patch applied, I can't reproduce the crash any more. And the following messages appear in the log: [ 430.956400] qfq: increasing class max_pkt_size from 1514 to 26130 [ 430.981887] qfq: increasing class max_pkt_size from 26130 to 31922 [ 431.011844] qfq: increasing class max_pkt_size from 1514 to 2962 [ 431.060129] qfq: increasing class max_pkt_size from 31922 to 46402 [ 431.096241] qfq: increasing class max_pkt_size from 2962 to 4410 [ 431.123689] qfq: increasing class max_pkt_size from 4410 to 18890 [ 431.134624] qfq: increasing class max_pkt_size from 18890 to 20338 [ 431.149573] qfq: increasing class max_pkt_size from 20338 to 39162 [ 431.328157] qfq: increasing class max_pkt_size from 46402 to 56538 [ 431.339731] qfq: increasing class max_pkt_size from 56538 to 65226 [ 431.363699] qfq: increasing class max_pkt_size from 39162 to 44954 [ 431.376303] qfq: increasing class max_pkt_size from 44954 to 46402 [ 431.482082] qfq: increasing class max_pkt_size from 46402 to 62330 [ 431.520339] qfq: increasing class max_pkt_size from 62330 to 65226 -- 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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