Maxim Konovalov wrote: > On Mon, 19 Sep 2005, 14:23+0200, Andre Oppermann wrote: > > >>Maxim Konovalov wrote: >> >>>Hi, >>> >>>I got a panic at the end of sbflush_locked() on recent -current when >>>open a large photo gallery with firefox. >>> >>>if (sb->sb_cc || sb->sb_mb || sb->sb_mbcnt) >>> panic("sbflush_locked: cc %u || mb %p || mbcnt %u", >>> sb->sb_cc, >>> (void *)sb->sb_mb, sb->sb_mbcnt); >>> >>>It seems I can reproduce this panic easily. Moreover, turning >>>tcp_sack off eliminates this panic. Does anybody see that? >>> >>>http://maxim.int.ru/stuff/panic/SONNIE >>>http://maxim.int.ru/stuff/panic/kgdb.typescript >>>http://maxim.int.ru/stuff/panic/sysctl-a >> >>This rings a bell. Sounds like a problem with delayed header drop in TCP >>segments. In tcp_input() have the variable "tlen" examined. > > Well, there is no tcp_input() in the backtrace. Yes, it must have happend before and left the socket buffer in an inconsistent state. -- AndreReceived on Mon Sep 19 2005 - 11:10:00 UTC
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