Hi Eric, hi Ben, this is an update regarding this case:
Eric Dumazet <eric.duma...@gmail.com> wrote Fri, Oct 21, 2011 7:44 AM > Le vendredi 21 octobre 2011 à 01:07 +0100, Ben Hutchings a écrit : > > > Eric, do you see any problems with this? Would we need any more > > follow-up fixes? > > Hi Ben > > This patch is probably safe, it should avoid the emergency rebuild > trigger.even with few entries in cache, because of one long chain > [different TOS values being mapped to the same slot ] > > But I believe another bug was fixed in 6a2bad70d546cf30 > (ipv4: Restart rt_intern_hash after emergency rebuild ) > > If Florian route cache use is light/normal, this second commit is > probably not needed. Unfortunately the system still suffered from two network disconnects starting with the following messages in the kernel log: Nov 7 06:38:41 spozerl kernel: [ 9025.854230] Route hash chain too long! Nov 7 06:38:41 spozerl kernel: [ 9025.854237] Adjust your secret_interval! Nov 7 07:10:53 spozerl kernel: [10953.398869] eth0: 5 rebuilds is over limit, route caching disabled Nov 7 07:10:53 spozerl kernel: [10953.398876] Route hash chain too long! Nov 7 07:10:53 spozerl kernel: [10953.398878] Adjust your secret_interval! Nov 7 07:12:59 spozerl kernel: [11080.006209] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.012829] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.019653] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.019704] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.022230] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.023285] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.023680] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.023731] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.024538] dst cache overflow Nov 7 07:12:59 spozerl kernel: [11080.026248] dst cache overflow Nov 7 07:13:04 spozerl kernel: [11085.007358] __ratelimit: 595 callbacks suppressed Nov 7 07:13:04 spozerl kernel: [11085.007362] dst cache overflow Nov 7 07:13:04 spozerl kernel: [11085.009144] dst cache overflow [...] -Florian -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/002101cc9dae$d9ed7530$8dc85f90$@de
