Date: Sat, 7 Jul 2012 16:02:45 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Przemyslaw Frasunek <venglin@freebsd.lublin.pl> Cc: freebsd-net@freebsd.org, Mike Tancsa <mike@sentex.net>, bzeeb-lists@lists.zabbadoz.net Subject: Re: mpd5/Netgraph issues after upgrading to 7.4 Message-ID: <20120707090245.GA77055@rdtc.ru> In-Reply-To: <4FF7F2C6.5070401@freebsd.lublin.pl> References: <20110513162311.GK95084@glebius.int.ru> <4DD298AD.2060905@frasunek.com> <20110517184613.GN74366@glebius.int.ru> <4FDB1D71.6050908@freebsd.lublin.pl> <20120615203142.GW28613@glebius.int.ru> <4FDBAFD7.9020606@freebsd.lublin.pl> <4FDF2F81.6030307@sentex.net> <4FDF3097.6080701@freebsd.lublin.pl> <4FE0EE62.5070905@freebsd.lublin.pl> <4FF7F2C6.5070401@freebsd.lublin.pl>
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On Sat, Jul 07, 2012 at 10:26:46AM +0200, Przemyslaw Frasunek wrote: > > After reenabling IPv6, the crash occurred within 6 hours. This time, crashdump > > was properly saved (thanks to patch suggested by Eugene). > > My PPPoE BRAS was stable for 17 days. This morning, it crashed in another way: > > current process = 2762 (mpd5) > trap number = 9 > panic: general protection fault > cpuid = 5 > KDB: stack backtrace: > #0 0xffffffff803a04a6 at kdb_backtrace+0x66 > #1 0xffffffff8036dfde at panic+0x1ce > #2 0xffffffff80503300 at trap_fatal+0x290 > #3 0xffffffff80503851 at trap+0x111 > #4 0xffffffff804ea5d4 at calltrap+0x8 > #5 0xffffffff8041d314 at lltable_prefix_free+0x74 > #6 0xffffffff8044c014 at in_ifscrub+0x2c4 > #7 0xffffffff8044d3f3 at in_control+0x793 > #8 0xffffffff80418d2d at ifioctl+0xccd > #9 0xffffffff803b6842 at kern_ioctl+0x92 > #10 0xffffffff803b6aa0 at ioctl+0xf0 > #11 0xffffffff80502ab2 at amd64_syscall+0x302 > #12 0xffffffff804ea8cc at Xfast_syscall+0xfc > Uptime: 17d7h18m38s Did you set net.isr.direct=0 (and/or direct_force)? If so, don't do that. Get back to default 1 for these two sysctls. Eugene Grosbein
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