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Date:      Tue, 17 May 2005 17:54:44 +0200
From:      Cedric Tabary <tabary@efrei.fr>
To:        freebsd-stable@freebsd.org
Subject:   5.4-RC3 crash report
Message-ID:  <20050517155444.GA38824@efrei.fr>

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Hello,

I had a crash on Dell PowerEdge 1850 running apache 1.3 + lighttpd
Traffic on em0 is about 50 mbps

FreeBSD 5.4-RC3 i386, no SMP compiled in kernel
dmesg atached

Kernel is GENERIC with following custom settings :

cpu         I686_CPU
maxusers    512
options     PERFMON
options     HZ=2000
options     DEVICE_POLLING
#options    INET6 <<== no IPv6
options     IPFILTER
options     IPFILTER_LOG            #ipfilter logging
options     IPSTEALTH               #support for stealth forwarding
options     TCP_DROP_SYNFIN         #drop TCP packets with SYN+FIN
options     ZERO_COPY_SOCKETS

sysctl.conf :

security.bsd.see_other_uids=0
kern.polling.enable=1
kern.maxfiles=262144
kern.maxfilesperproc=131072
net.inet.ip.redirect=0
net.inet.icmp.drop_redirect=1
net.inet.icmp.log_redirect=1
net.inet.ip.forwarding=1
net.isr.enable=1
kern.ipc.somaxconn=2048
net.inet.icmp.icmplim=5000
kern.random.sys.harvest.ethernet=0
kern.random.sys.harvest.interrupt=0
kern.ipc.nmbclusters=262144


Backtrace :

kgdb /boot/kernel/kernel vmcore.0

#0  0xc067114e in doadump ()
#1  0xc06717e6 in boot ()
#2  0xc0671aed in panic ()
#3  0xc0838623 in trap_fatal ()
#4  0xc0838346 in trap_pfault ()
#5  0xc0837f2f in trap ()
#6  0xc08266fa in calltrap ()
#7  0xe6240018 in ?? ()
#8  0x00000010 in ?? ()
#9  0x00000010 in ?? ()
#10 0x00000001 in ?? ()
#11 0x00000000 in ?? ()
#12 0xe62439ac in ?? ()
#13 0xe6243980 in ?? ()
#14 0x000031ed in ?? ()
#15 0xc6a11ca8 in ?? ()
#16 0x00000fae in ?? ()
#17 0x00000000 in ?? ()
#18 0x0000000c in ?? ()
#19 0x00000000 in ?? ()
#20 0xc06ac8b0 in m_copydata ()
#21 0xc071b5c9 in tcp_output ()
#22 0xc0718d29 in tcp_input ()
#23 0xc070ffb5 in ip_input ()
#24 0xc06f4cf3 in netisr_dispatch ()
#25 0xc06ec682 in ether_demux ()
#26 0xc06ec3d6 in ether_input ()
#27 0xc052394e in em_process_receive_interrupts ()
#28 0xc05201b5 in em_poll_locked ()
#29 0xc0520255 in em_poll ()
#30 0xc064e818 in netisr_poll ()
#31 0xc06f4e7d in swi_net ()
#32 0xc065a21d in ithread_loop ()
#33 0xc0659246 in fork_exit ()
#34 0xc082675c in fork_trampoline ()

A apologize il this is a bug and if it was corrected between 5.4-RC3
and 5.4-RELEASE... I am updating now...

Cédric



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