Date: Wed, 17 Nov 2004 10:40:47 +0100 From: Lukas Ertl <lukas.ertl@gmail.com> To: freebsd-stable@freebsd.org Subject: 5.3-STABLE frozen on heavy network load Message-ID: <4379f9100411170140118fcb3f@mail.gmail.com>
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Hi, I'm seeing complete freezes on a 5.3-STABLE SMP (with HTT) kernel from Fri Nov 12. The machine is acting as a newsserver, thus it has heavy network and disk load. With the help of MP_WATCHDOG I was able to get a backtrace: Watchdog timer: 2 Watchdog timer: 1 Watchdog timer: 0 Watchdog firing! NMI ... going to debugger [thread 100305] Stopped at slab_zalloc+0x2c: setz %al db> where slab_zalloc(c0c1fb00,2,c0c1fb00,c0c1fb00,0) at slab_zalloc+0x2c uma_zone_slab(c0c1fb00,2) at uma_zone_slab+0xd0 uma_zalloc_internal(c0c1fb00,c39b1100,2,0,c39b1100) at uma_zalloc_internal+0x4d uma_zalloc_arg(c0c1fb00,c39b1100,2) at uma_zalloc_arg+0x2f8 mb_init_pack(c39b1100,100,2) at mb_init_pack+0x1d uma_zalloc_internal(c0c1fc60,e93d2c74,2,11a8,0) at uma_zalloc_internal+0xe3 uma_zalloc_arg(c0c1fc60,e93d2c74,2) at uma_zalloc_arg+0x2f8 sosend(c391f510,0,c3f3ad80,0,0) at sosend+0x33d soo_write(c54caae4,c3f3ad80,c3858c80,0,c40897d0) at soo_write+0x62 writev(c40897d0,e93d2d14,3,c,202) at writev+0xc6 syscall(2f,2f,2f,1,1) at syscall+0x283 Xint0x80_syscall() at Xint0x80_syscall+0x1f The kgdb debug log can be found at <http://people.freebsd.org/~le/debug.log>. The coredump and the kernel is still available if I should send more info. Thanks, le
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