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Message-Id: <382091272797186@web84.yandex.ru> Date: Sun, 02 May 2010 14:46:26 +0400 From: "\"Oleg A. Arkhangelsky\"" <sysoleg@...dex.ru> To: Eric Dumazet <eric.dumazet@...il.com> Cc: netdev@...r.kernel.org Subject: Re: Re: Kernel panic in fib_rules_lookup (kernel 2.6.32) Hello, 09.03.10, 17:09, "Eric Dumazet" <eric.dumazet@...il.com>: > Le mardi 09 mars 2010 à 10:44 +0300, "Oleg A. Arkhangelsky" a écrit : > > Hello, > > > > Got this kernel panic tomorrow. This PC is rather heavy loaded router with BGP full view (> 300K routes). > > We're using FIB_TRIE. Last time we got similar panic about 1 month ago. Please, let me know if you > > need additional information to debug (e.g. objdump). Thanks! > > > > Mar 9 10:08:55 bras-1 kernel: BUG: unable to handle kernel NULL pointer dereference at (null) > > Mar 9 10:08:55 bras-1 kernel: IP: [] fib_rules_lookup+0xa2/0xd0 > > Mar 9 10:08:55 bras-1 kernel: *pde = 00000000 > > Mar 9 10:08:55 bras-1 kernel: Thread overran stack, or stack corrupted > > Hmm... Got the same panic, at the same place (fib_rules_lookup+0xa2/0xd0). Looks like the problem with NULL dereference is somewhere in list_for_each_entry_rcu macro. But I don't understand how this can be. Any thoughts? :( -- wbr, Oleg. -- 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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