Date: Thu, 13 Apr 2000 16:48:37 -0700 (MST) From: "brian j. peterson" <rbw@myplace.org> To: freebsd-alpha@freebsd.org Subject: ICMP flood causes panic? Message-ID: <Pine.BSF.4.21.0004131627530.51198-100000@malkavian.org>
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amidst an ICMP flood today, my machine panicked. i have included what i
think is the relevant syslog info below. (the kernel on this box was
built from a CVSup to FreeBSD/alpha 4.0-CURRENT on or about March
4th... world was rebuilt at the same time.) anyone care to tell me where
the problem lies? (my box, FreeBSD, both, neither?) if more info is
required, please ask me for it.
thanks,
brian
from the syslog:
<<< above this there were ~600 "icmp-response bandwidth limit" lines >>>
Apr 13 16:16:20 nikita /kernel: icmp-response bandwidth limit 3052/200 pps
Apr 13 16:16:20 nikita /kernel: icmp-response bandwidth limit 2308/200 pps
Apr 13 16:16:20 nikita /kernel: icmp-response bandwidth limit 2386/200 pps
Apr 13 16:16:21 nikita /kernel: icmp-response bandwidth limit 2632/200 pps
Apr 13 16:16:21 nikita /kernel: de0: autosense failed: cable problem?
Apr 13 16:16:21 nikita last message repeated 3 times
Apr 13 16:16:21 nikita /kernel:
Apr 13 16:16:21 nikita /kernel: unexpected machine check:
Apr 13 16:16:21 nikita /kernel:
Apr 13 16:16:21 nikita /kernel: mces = 0x1
Apr 13 16:16:21 nikita /kernel: vector = 0x660
Apr 13 16:16:21 nikita /kernel: param = 0xfffffc0000006000
Apr 13 16:16:21 nikita /kernel: pc = 0xfffffc0000383278
Apr 13 16:16:21 nikita /kernel: ra = 0xfffffc00005075d4
Apr 13 16:16:21 nikita /kernel: curproc = 0
Apr 13 16:16:21 nikita /kernel:
Apr 13 16:16:21 nikita /kernel: panic: machine check
Apr 13 16:16:21 nikita /kernel:
Apr 13 16:16:21 nikita /kernel: syncing disks... ncr0:0: ERROR (20:0) (0-20-0) (8/13) @ (script 918:18000120).
Apr 13 16:16:21 nikita /kernel: ncr0: script cmd = 88030000
Apr 13 16:16:21 nikita /kernel: ncr0: regdump: da 10 80 13 47 08 00 1f 03 08 80 28 00 00 08 00.
Apr 13 16:16:21 nikita /kernel: ncr0: have to clear fifos.
Apr 13 16:16:21 nikita /kernel: ncr0: restart (fatal error).
Apr 13 16:16:21 nikita /kernel: (da0:ncr0:0:0:0): COMMAND FAILED (9 ff) @0xfffffe0000812000.
Apr 13 16:16:21 nikita /kernel: (da0:ncr0:0:0:0): COMMAND FAILED (9 ff) @0xfffffe0000774800.
Apr 13 16:16:21 nikita /kernel: (da0:ncr0:0:0:0): COMMAND FAILED (9 ff) @0xfffffe0000775000.
Apr 13 16:16:21 nikita /kernel: (da0:ncr0:0:0:0): COMMAND FAILED (9 ff) @0xfffffe0000772000.
Apr 13 16:16:21 nikita /kernel: 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15
Apr 13 16:16:21 nikita /kernel: giving up on 14 buffers
Apr 13 16:16:21 nikita /kernel: Uptime: 29d3h9m30s
Apr 13 16:16:21 nikita /kernel: (da0:ncr0:0:0:0): Synchronize cache failed, status == 0xb, scsi status == 0x0
Apr 13 16:16:21 nikita /kernel: Automatic reboot in 15 seconds - press a key on the console to abort
Apr 13 16:16:21 nikita /kernel: Rebooting...
Apr 13 16:16:21 nikita /kernel: Copyright (c) 1992-2000 The FreeBSD Project.
Apr 13 16:16:21 nikita /kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
Apr 13 16:16:21 nikita /kernel: The Regents of the University of California. All rights reserved.
Apr 13 16:16:21 nikita /kernel: FreeBSD 4.0-CURRENT #0: Sun Mar 5 02:00:04 MST 2000
Apr 13 16:16:21 nikita /kernel: root@nikita:/usr/src/sys/compile/NIKITA2
Apr 13 16:16:21 nikita /kernel: AlphaStation 200/400 ("Avanti")
Apr 13 16:16:21 nikita /kernel: AlphaStation 200 4/233, 233MHz
Apr 13 16:16:21 nikita /kernel: 8192 byte page size, 1 processor.
Apr 13 16:16:21 nikita /kernel: CPU: EV45 (21064A) major=6 minor=0
Apr 13 16:16:21 nikita /kernel: OSF PAL rev: 0x100000002012e
Apr 13 16:16:21 nikita /kernel: real memory = 148946944 (145456K bytes)
Apr 13 16:16:21 nikita /kernel: avail memory = 140525568 (137232K bytes)
Apr 13 16:16:21 nikita /kernel: Preloaded elf kernel "kernel" at 0xfffffc0000616000.
Apr 13 16:16:21 nikita /kernel: md0: Malloc disk
Apr 13 16:16:21 nikita /kernel: pci0: <PCI bus> on pcib0
Apr 13 16:16:21 nikita /kernel: ncr0: <ncr 53c810 fast10 scsi> port 0x10000-0x100ff mem 0x8200c000-0x8200c0ff irq 11 at device 6.0 on pci0
Apr 13 16:16:21 nikita /kernel: ncr0: interrupting at ISA irq 11
Apr 13 16:16:21 nikita /kernel: ncr0: driver is using old-style compatability shims
Apr 13 16:16:21 nikita /kernel: isab0: <Intel 82378IB PCI to ISA bridge> at device 7.0 on pci0
Apr 13 16:16:21 nikita /kernel: isa0: <ISA bus> on isab0
Apr 13 16:16:21 nikita /kernel: de0: <Digital 21040 Ethernet> port 0x10100-0x1017f mem 0x8200c100-0x8200c17f irq 5 at device 11.0 on pci0
Apr 13 16:16:21 nikita /kernel: de0: interrupting at ISA irq 5
Apr 13 16:16:21 nikita /kernel: de0: DEC 21040 [10Mb/s] pass 2.4
Apr 13 16:16:21 nikita /kernel: de0: address 00:00:f8:23:2d:ba
Apr 13 16:16:21 nikita /kernel: de0: supplying EUI64: 00:00:f8:ff:fe:23:2d:ba
Apr 13 16:16:21 nikita /kernel: de0: driver is using old-style compatability shims
Apr 13 16:16:21 nikita /kernel: pci0: <Matrox MGA 2085PX graphics accelerator> at 13.0 irq 10
Apr 13 16:16:21 nikita /kernel: fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
Apr 13 16:16:21 nikita /kernel: fdc0: interrupting at ISA irq 6
Apr 13 16:16:21 nikita /kernel: fdc0: FIFO enabled, 8 bytes threshold
Apr 13 16:16:21 nikita /kernel: fd0: <1440-KB 3.5" drive> on fdc0 drive 0
Apr 13 16:16:22 nikita /kernel: atkbdc0: <keyboard controller (i8042)> at port 0x60-0x6f on isa0
Apr 13 16:16:22 nikita /kernel: atkbd0: <AT Keyboard> irq 1 on atkbdc0
Apr 13 16:16:22 nikita /kernel: atkbd0: interrupting at ISA irq 1
Apr 13 16:16:22 nikita /kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0
Apr 13 16:16:22 nikita /kernel: psm0: model Generic PS/2 mouse, device ID 0
Apr 13 16:16:22 nikita /kernel: psm0: interrupting at ISA irq 12
Apr 13 16:16:22 nikita /kernel: vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Apr 13 16:16:22 nikita /kernel: sc0: <System console> on isa0
Apr 13 16:16:22 nikita /kernel: sc0: VGA <16 virtual consoles, flags=0x200>
Apr 13 16:16:22 nikita /kernel: mcclock0: <MC146818A real time clock> at port 0x70-0x71 on isa0
Apr 13 16:16:22 nikita /kernel: sio0 at port 0x3f8-0x3ff irq 4 on isa0
Apr 13 16:16:22 nikita /kernel: sio0: type 16550A
Apr 13 16:16:22 nikita /kernel: sio0: interrupting at ISA irq 4
Apr 13 16:16:22 nikita /kernel: sio1: reserved for low-level i/o
Apr 13 16:16:22 nikita /kernel: Timecounter "alpha" frequency 233323356 Hz
Apr 13 16:16:22 nikita /kernel: Waiting 15 seconds for SCSI devices to settle
Apr 13 16:16:22 nikita /kernel: de0: enabling 10baseT port
Apr 13 16:16:22 nikita /kernel: Mounting root from ufs:/dev/da0a
Apr 13 16:16:22 nikita /kernel: da0 at ncr0 bus 0 target 0 lun 0
Apr 13 16:16:22 nikita /kernel: da0: <COMPAQ ST34572N 0892> Fixed Direct Access SCSI-2 device
Apr 13 16:16:22 nikita /kernel: da0: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled
Apr 13 16:16:22 nikita /kernel: da0: 4094MB (8386000 512 byte sectors: 255H 63S/T 522C)
Apr 13 16:16:22 nikita /kernel: WARNING: / was not properly dismounted
Apr 13 16:16:22 nikita /kernel: de0: starting DAD for fe80:0001::0200:f8ff:fe23:2dba
Apr 13 16:16:22 nikita /kernel: de0: DAD complete for fe80:0001::0200:f8ff:fe23:2dba - no duplicates found
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