Does this look like a hardware error ? I had problems withe this machine before. Does this look like a buggy em(4) Card ? The machine is a IBM x345
Manon ifconfig em5 down acheron02:~ root[0]# ifconfig vlan vlan1124: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 address: 00:04:23:9e:e6:6a vlan: 1124 parent interface: em4 inet6 fe80::204:23ff:fe9e:e66a%vlan1124 prefixlen 64 scopeid 0xb inet XXX.XXX.YYY.19 netmask 0xfffffff8 broadcast 2XXX.XXX.YYY.23 vlan1146: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 address: 00:04:23:9e:e6:6a vlan: 1146 parent interface: em4 inet6 fe80::204:23ff:fe9e:e66a%vlan1146 prefixlen 64 scopeid 0xc inet XXX.XXX.YYY.27 netmask 0xfffffff8 broadcast XXX.XXX.YYY.23 vlan300: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 address: 00:04:23:9e:e6:6b vlan: 300 parent interface: em5 inet6 fe80::204:23ff:fe9e:e66b%vlan300 prefixlen 64 scopeid 0xd inet AAA.BBB.CCC.218 netmask 0xffffffe0 broadcast AAA.BBB.CCC.223 vlan400: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 address: 00:04:23:9e:e6:6b vlan: 400 parent interface: em5 inet6 fe80::204:23ff:fe9e:e66b%vlan400 prefixlen 64 scopeid 0xe inet AAA.BBB.CCC.246 netmask 0xfffffff0 broadcast AAA.BBB.CCC.255 acheron02:~ root[0]# ifconfig carp carp300: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 carp: MASTER carpdev vlan300 vhid 2 advbase 1 advskew 10 inet AAA.BBB.CCC.219 netmask 0xffffffe0 broadcast AAA.BBB.CCC.223 carp400: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 carp: MASTER carpdev vlan400 vhid 1 advbase 1 advskew 10 inet AAA.BBB.CCC.247 netmask 0xfffffff0 broadcast AAA.BBB.CCC.255 acheron02:~ root[0]# ifconfig em5 up acheron02:~ root[0]# panic: pool_get(mclpl): free list modified: magic=1beef; page 0xde4b0000; item addr 0xde4b0800 Stopped at Debugger+0x4: leave RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC! DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION! ddb> trace Debugger(d0570480,13,42731eec,de4b0800,d05b7cc0) at Debugger+0x4 panic(d04de340,d04e02a9,1beef,de4b0000,de4b0800) at panic+0x63 pool_get(d05b7cc0,0,0,de4a4b00,d06d3e14) at pool_get+0x315 em_get_buf(1f,d4204800,0,d4280048) at em_get_buf+0x182 em_process_receive_interrupts(d4204800,fffffffe,d01021b1,20,d06d3e74) at em_pro cess_receive_interrupts+0x23a em_intr(d4204800) at em_intr+0x93 Xrecurse_legacy5() at Xrecurse_legacy5+0x86 --- interrupt --- idle_loop(d065edc0,28,0,0,80000000) at idle_loop+0x21 bpendtsleep(d05b22a0,4,d04f5931,0,0,ffffffff,d04afc2c,0) at bpendtsleep uvm_scheduler(d05b2298,3,0,d04afc2c,18000000) at uvm_scheduler+0x6b check_console(0,0,0,0,0) at check_console Debugger(d0570480,13,42731eec,de4b0800,d05b7cc0) at Debugger+0x4 ddb> ps PID PPID PGRP UID S FLAGS WAIT COMMAND 26266 1954 26266 0 3 0x4086 ttyin bash 1954 1 1954 0 3 0x4086 pause csh 9500 1 9500 0 3 0x4086 ttyin getty 30573 1 30573 0 3 0x4086 ttyin getty 32736 1 32736 0 3 0x4086 ttyin getty 21591 1 21591 0 3 0x4086 ttyin getty 27582 1 27582 0 3 0x4086 ttyin getty 15353 1 15353 0 3 0x84 select cron 11943 1 11943 0 3 0x40184 select sendmail 7699 1 7699 0 3 0x84 select sshd 23277 1 23277 0 3 0x184 select inetd 27141 1 27141 0 3 0x84 poll ntpd 27849 1 10659 83 3 0x186 poll ntpd 31512 25239 25239 73 3 0x184 poll syslogd 25239 1 25239 0 3 0x84 netio syslogd 10 0 0 0 3 0x100204 crypto_wa crypto 9 0 0 0 3 0x100204 aiodoned aiodoned 8 0 0 0 3 0x100204 syncer update 7 0 0 0 3 0x100204 cleaner cleaner 6 0 0 0 3 0x100204 reaper reaper 5 0 0 0 3 0x100204 pgdaemon pagedaemon 4 0 0 0 3 0x100204 usbtsk usbtask 3 0 0 0 3 0x100204 usbevt usb0 2 0 0 0 3 0x100204 kmalloc kmthread 1 0 1 0 3 0x4084 wait init 0 -1 0 0 3 0x80204 scheduler swapper ddb> dmesg OpenBSD 3.7 (GENERIC) #6: Tue Apr 19 07:08:30 CEST 2005 [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC cpu0: Intel(R) Xeon(TM) CPU 3.06GHz ("GenuineIntel" 686-class) 3.06 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,C FLUSH,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,CNXT-ID real mem = 4294365184 (4193716K) avail mem = 3528396800 (3445700K) using 4278 buffers containing 214822912 bytes (209788K) of memory mainbus0 (root) bios0 at mainbus0: AT/286+(25) BIOS, date 01/14/05, BIOS32 rev. 0 @ 0xfd7a1 pcibios0 at bios0: rev 2.1 @ 0xf0000/0xffff pcibios0: PCI BIOS has 11 Interrupt Routing table entries pcibios0: PCI Exclusive IRQs: 9 10 11 15 pcibios0: PCI Interrupt Router at 000:15:0 ("ServerWorks CSB5 SouthBridge" rev 0 x00) pcibios0: PCI bus #0 is the last bus bios0: ROM list: 0xc0000/0xb000 0xcb000/0x1800 0xcc800/0x4000! cpu0 at mainbus0 pci0 at mainbus0 bus 0: configuration mode 1 (no bios) pchb0 at pci0 dev 0 function 0 "ServerWorks CNB20-HE" rev 0x33 pchb1 at pci0 dev 0 function 1 "ServerWorks CNB20-HE" rev 0x00 pci1 at pchb1 bus 2 pchb2 at pci0 dev 0 function 2 "ServerWorks CNB20-HE" rev 0x00 pci2 at pchb2 bus 6 em0 at pci2 dev 1 function 0 "Intel PRO/1000MT DP (82546EB)" rev 0x01: irq 3, a ddress: 00:04:23:9e:e6:7e em1 at pci2 dev 1 function 1 "Intel PRO/1000MT DP (82546EB)" rev 0x01: irq 5, a ddress: 00:04:23:9e:e6:7f em2 at pci2 dev 8 function 0 "Intel PRO/1000MT DP (82546EB)" rev 0x01: irq 10, a ddress: 00:09:6b:89:b1:de em3 at pci2 dev 8 function 1 "Intel PRO/1000MT DP (82546EB)" rev 0x01: irq 11, a ddress: 00:09:6b:89:b1:df vga1 at pci0 dev 5 function 0 "ATI Radeon VE QY" rev 0x00 wsdisplay0 at vga1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pchb3 at pci0 dev 15 function 0 "ServerWorks CSB5 SouthBridge" rev 0x93 pci3 at pchb3 bus 1 pciide0 at pci0 dev 15 function 1 "ServerWorks CSB5 IDE" rev 0x93: DMA atapiscsi0 at pciide0 channel 0 drive 0 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <LG, CD-ROM CRN-8245B, 1.16> SCSI0 5/cdrom remova ble cd0(pciide0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 2 ohci0 at pci0 dev 15 function 2 "ServerWorks OSB4/CSB5 USB" rev 0x05: irq 11, v ersion 1.0, legacy support ohci0: SMM does not respond, resetting usb0 at ohci0: USB revision 1.0 uhub0 at usb0 uhub0: ServerWorks OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 4 ports with 4 removable, self powered pcib0 at pci0 dev 15 function 3 "ServerWorks CSB5 PCI" rev 0x00 pchb4 at pci0 dev 16 function 0 "ServerWorks CIOBX2" rev 0x05 pchb5 at pci0 dev 16 function 2 "ServerWorks CIOBX2" rev 0x05 pci4 at pchb5 bus 4 cac0 at pci4 dev 4 function 0 "DEC Compaq SMART RAID 42xx" rev 0x01: irq 9 Comp aq Smart Array 431 scsibus1 at cac0: 1 targets sd0 at scsibus1 targ 0 lun 0: <Compaq, RAID1 volume #, > SCSI2 0/direct fixed sd0: 34707MB, 8711 cyl, 255 head, 32 sec, 512 bytes/sec, 71081760 sec total pchb6 at pci0 dev 17 function 0 "ServerWorks CIOBX2" rev 0x05 pchb7 at pci0 dev 17 function 2 "ServerWorks CIOBX2" rev 0x05 pci5 at pchb7 bus 8 em4 at pci5 dev 2 function 0 "Intel PRO/1000MT DP (82546EB)" rev 0x01: irq 3, a ddress: 00:04:23:9e:e6:6a em5 at pci5 dev 2 function 1 "Intel PRO/1000MT DP (82546EB)" rev 0x01: irq 5, a ddress: 00:04:23:9e:e6:6b isa0 at pcib0 isadma0 at isa0 pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0 (mux 1 ignored for console): console keyboard, using wsdisplay 0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> sysbeep0 at pcppi0 npx0 at isa0 port 0xf0/16: using exception 16 pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo pccom0: console fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec biomask fbc5 netmask ffed ttymask ffef pctr: user-level cycle counter enabled uhidev0 at uhub0 port 2 configuration 1 interface 0 uhidev0: IBM PPC I/F, rev 1.10/0.01, addr 2, iclass 3/1 ukbd0 at uhidev0: 8 modifier keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub0 port 2 configuration 1 interface 1 uhidev1: IBM PPC I/F, rev 1.10/0.01, addr 2, iclass 3/0 ums0 at uhidev1 ums0: X report 0x0002 not supported uhidev2 at uhub0 port 2 configuration 1 interface 2 uhidev2: IBM PPC I/F, rev 1.10/0.01, addr 2, iclass 3/0 uhid0 at uhidev2: input=64, output=64, feature=0 dkcsum: sd0 matched BIOS disk 80 root on sd0a rootdev=0x400 rrootdev=0xd00 rawdev=0xd02 [demime 1.01d removed an attachment of type application/pgp-signature]