Date: Sun, 29 Aug 2010 20:26:21 +0300 From: "Vladislav V. Prodan" <universite@ukr.net> To: freebsd-bugs@freebsd.org Subject: Re: kern/149948: [panic] when starting net/ladvd Message-ID: <4C7A983D.3010602@ukr.net> In-Reply-To: <4C7A7CCB.1090009@ukr.net> References: <201008291333.o7TDX0GM054834@freefall.freebsd.org> <4C7A7CCB.1090009@ukr.net>
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These options were already in the kernel: options KDB makeoptions DEBUG=-g I added a few more: options INVARIANTS options INVARIANT_SUPPORT options WITNESS options WITNESS_SKIPSPIN And after the service ladvd onestart got hung system. Helped only reset the computer, coredump is not created. Aug 29 20:04:58 mary-teresa vlad11: /usr/local/etc/rc.d/ladvd: DEBUG: checkyesno: ladvd_enable is set to YES. Aug 29 20:04:58 mary-teresa vlad11: /usr/local/etc/rc.d/ladvd: DEBUG: run_rc_command: start_precmd: ladvd_check Aug 29 20:04:58 mary-teresa vlad11: /usr/local/etc/rc.d/ladvd: DEBUG: run_rc_command: doit: /usr/local/sbin/ladvd -a Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa last message repeated 2 times Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa last message repeated 3 times Aug 29 20:04:58 mary-teresa last message repeated 3 times Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa kernel: Aug 29 20:04:58 mary-teresa kernel: Aug 29 20:04:58 mary-teresa kernel: Fatal trap 12: page fault while in kernel mode Aug 29 20:04:58 mary-teresa kernel: cpuid = 1; apic id = 01 Aug 29 20:04:58 mary-teresa kernel: fault virtual address = 0x0 Aug 29 20:04:58 mary-teresa kernel: fault code = supervisor read data, page not present Aug 29 20:04:58 mary-teresa kernel: instruction pointer = 0x20:0xffffffff806850d4 Aug 29 20:04:58 mary-teresa kernel: stack pointer = 0x28:0xffffff804b057940 Aug 29 20:04:58 mary-teresa kernel: frame pointer = 0x28:0xffffff804b0579e0 Aug 29 20:04:58 mary-teresa snmpd[3520]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa snmpd[4612]: RTM_NEWMADDR for unknown interface 0 Aug 29 20:04:58 mary-teresa kernel: Aug 29 20:04:58 mary-teresa kernel: code segment = base What else can I do to give more information on this error? 29.08.2010 18:29, Vladislav V. Prodan wrote: > I provoked a kernel panic on another machine. > > panic: page fault > > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "amd64-marcel-freebsd"... > Cannot access memory at address 0xffffff019dffffe0 > (kgdb) #0 0x0000000000000000 in ?? () > Cannot access memory at address 0x0 > (kgdb) > > > > 29.08.2010 16:33, vwe@FreeBSD.org wrote: >> Old Synopsis: Panic when starting ladvd >> New Synopsis: [panic] when starting net/ladvd >> >> State-Changed-From-To: open->feedback >> State-Changed-By: vwe >> State-Changed-When: Sun Aug 29 13:26:03 UTC 2010 >> State-Changed-Why: >> Vladislav, >> w/o a backtrace or any other information, it's quite hard to tell where >> the problem might come from. >> >> Your screenshot suggests, there's a NULL pointer causing the trouble. >> >> Can you please try at first the following command and post us it's output: >> addr2line -e /boot/kernel/kernel.symbols 0xffffffff806aa114 >> >> If your kernel config is near GENERIC, the problem might be in >> sys/net80211/ieee80211_node.c:2328 >> >> Having a backtrace would make things simpler. If you're brave enough, you >> may try to get the kernel dump onto a usb thumb drive (I'm using this for >> embedded machines, where I don't have the space to store dumps). >> It works find, just take a look at dumpon(8). >> >> If you got a dump, please use the kernel debugger to get the backtrace. >> >> >> http://www.freebsd.org/cgi/query-pr.cgi?pr=149948 >> >> >> > > _______________________________________________ > freebsd-bugs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-bugs > To unsubscribe, send any mail to "freebsd-bugs-unsubscribe@freebsd.org" > > >
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