Pb : le "Ping flood" provoque un reboot

Bonjour,

Je viens d'installer la Debian stable Sarge 3.1r0a (installation réseau)
sur un serveur IBM xSeries 200 Type 8478-42X (Pentium III, 512Mo,
Disque IDE 160 Go, Carte SCSI 29160LP (AIC7892A U160/m), DD SCSI IBM 9,1
Go, Carte Réseau intégré Intel Corp 82557/8/9 (eth0, driver e100
Ethernet Pro 100,bien configuré en DHCP), Carte Réseau additionnelle Via
VT6105 (pas de ifup effectué mais drivers via-rhine chargé), Chipset
intégré VIA VT82Cxxx).

I) Lorsque je fais un ping flood de cette machine vers une autre machine
de mon réseau local par l'interface eth0 (driver e100, Ethernet Pro
100), la machine reboote immmédiatement ou après quelques secondes !

J'ai changé l'emplacement de la carte réseau additionnelle Via Rhine III
pour qu'elle devienne eth0 et j'ai refait le test du ping flood : même
résultat : reboot au bout d'un temps aléatoire !

J'ai remarqué que le problème se pose plus souvent lors du deuxième
lancement de "ping -f".

La machine

J'ai essayé de désactiver le APIC (noapic nolapic) et / ou d'activer
AVPI mais sans changement pour mon problème.

Quelqu'un a une idée du problème et de la solution ?

II) Autre problème : je n'ai pas réussi à installer la Debian Sarge
3.1r0a sur le disque SCSI. en effet lorsque de certains accès au disque
(fin de partitionnement, décompactage des paquets sur le disque, ...)
aléatoirement la machine rebootait !!! Une idée ?? Pour l'instant j'ai
fait l'installation sur le disque IDE hda et n'utlise pas le disque SCSI
mais je souhaite connaitre la raison de ce reboot aléatoire pour
l'éviter plus tard !

Ci dessous les différentes infos sur la machine (lspci, /proc/ioports,
/proc/interrups, lsmod, ...)

Merci pour votre aide,

Sébastien

========================================================================================

UNAME -A
Linux srv1 2.6.8-2-386 #1 Thu May 19 17:40:50 JST 2005 i686 GNU/Linux

LSPCI
0000:00:00.0 Host bridge: VIA Technologies, Inc. VT82C693A/694x [Apollo PRO133x] (rev c4)
0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo MVP3/Pro133x AGP]
0000:00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 22)
0000:00:07.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 10)
0000:00:07.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 30)
0000:00:09.0 Ethernet controller: VIA Technologies, Inc. VT6105 [Rhine-III] (rev 86)
0000:00:0b.0 SCSI storage controller: Adaptec AIC-7892A U160/m (rev 02)
0000:00:0d.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 08)
0000:01:00.0 VGA compatible controller: S3 Inc. Savage 4 (rev 04)

/PROC/IOPORTS
0000-001f : dma1
0020-0021 : pic1
0040-005f : timer
0060-006f : keyboard
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
02f8-02ff : serial
0376-0376 : ide1
0378-037a : parport0
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial
0778-077a : parport0
0cf8-0cff : PCI conf1
4000-40ff : 0000:00:07.4
5000-500f : 0000:00:07.4
6000-607f : 0000:00:07.4
d000-d00f : 0000:00:07.1
d000-d007 : ide0
d008-d00f : ide1
dc00-dcff : 0000:00:09.0
dc00-dcff : via-rhine
e000-e0ff : 0000:00:0b.0
e400-e43f : 0000:00:0d.0
e400-e43f : e100

/PROC/INTERRUPTS
CPU0
0: 20954900 XT-PIC timer
1: 849 XT-PIC i8042
2: 0 XT-PIC cascade
7: 1 XT-PIC parport0
10: 129 XT-PIC eth0
11: 82 XT-PIC aic7xxx
14: 3651 XT-PIC ide0
15: 19 XT-PIC ide1
NMI: 0
LOC: 20957705
ERR: 0
MIS: 0

LSMOD
Module Size Used by
ipv6 229892 10
af_packet 20872 2
floppy 54992 0
evdev 9088 0
pcspkr 3816 0
uhci_hcd 29328 0
ohci_hcd 19460 0
ehci_hcd 27908 0
usbcore 104164 3 uhci_hcd,ohci_hcd,ehci_hcd
aic79xx 254044 0
pci_hotplug 30640 0
via_agp 8832 1
aic7xxx 176088 0
e100 30080 0
via_rhine 19848 0
mii 4864 2 e100,via_rhine
parport_pc 33348 0
parport 37320 1 parport_pc
agpgart 31784 1 via_agp
dm_mod 51068 4
capability 4872 0
commoncap 7168 1 capability
sd_mod 20480 0
scsi_mod 115148 3 aic79xx,aic7xxx,sd_mod
psmouse 17800 0
ide_cd 38176 0
cdrom 35740 1 ide_cd
genrtc 9332 0
ext3 109672 4
jbd 54552 1 ext3
ide_generic 1664 0
via82cxxx 12956 1
ide_disk 16768 4
ide_core 125028 4 ide_cd,ide_generic,via82cxxx,ide_disk
unix 26036 12
font 8576 0
vesafb 6688 0
cfbcopyarea 3840 1 vesafb
cfbimgblt 3200 1 vesafb
cfbfillrect 3712 1 vesafb

DMESG
Linux version 2.6.8-2-386 (horms@tabatha.lab.ultramonkey.org) (gcc version 3.3.5 (Debian 1:3.3.5-12)) #1 Thu May 19 17:40:50 JST 2005
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
BIOS-e820: 000000001fff0000 - 000000001fff3000 (ACPI NVS)
BIOS-e820: 000000001fff3000 - 0000000020000000 (ACPI data)
BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
511MB LOWMEM available.
On node 0 totalpages: 131056
DMA zone: 4096 pages, LIFO batch:1
Normal zone: 126960 pages, LIFO batch:16
HighMem zone: 0 pages, LIFO batch:1
DMI 2.2 present.
ACPI disabled because your bios is from 00 and too old
You can enable it with acpi=force
Built 1 zonelists
Kernel command line: root=/dev/hda1 ro aic7xxx=no_reset
Local APIC disabled by BIOS -- reenabling.
Found and enabled local APIC!
Initializing CPU#0
PID hash table entries: 2048 (order 11: 16384 bytes)
Detected 800.524 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 511804k/524224k available (1336k kernel code, 11652k reserved, 732k data, 204k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 1564.67 BogoMIPS
Security Scaffold v1.0.0 initialized
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: After generic identify, caps: 0383fbff 00000000 00000000 00000000
CPU: After vendor identify, caps: 0383fbff 00000000 00000000 00000000
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
CPU: After all inits, caps: 0383fbff 00000000 00000000 00000040
CPU: Intel Pentium III (Coppermine) stepping 06
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
Checking for popad bug... OK.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 799.0826 MHz.
..... host bus clock speed is 133.0304 MHz.
checking if image is initramfs...it isn't (ungzip failed); looks like an initrd
Freeing initrd memory: 4216k freed
NET: Registered protocol family 16
EISA bus registered
PCI: PCI BIOS revision 2.10 entry at 0xfb310, last bus=1
PCI: Using configuration type 1
mtrr: v2.0 (20020519)
ACPI: Subsystem revision 20040326
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
PnPBIOS: Scanning system for PnP BIOS support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00fbd20
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xbd50, dseg 0xf0000
PnPBIOS: 15 nodes reported by PnP BIOS; 15 recorded by driver
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
PCI: Using IRQ router VIA [1106/0686] at 0000:00:07.0
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x0
Initializing Cryptographic API
PCI: Disabling Via external APIC routing
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Serial: 8250/16550 driver $Revision: 1.90 $ 54 ports, IRQ sharing enabled
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
input: AT Translated Set 2 keyboard on isa0060/serio0
EISA: Probing bus 0 at eisa0
Cannot allocate resource for EISA slot 4
Cannot allocate resource for EISA slot 5
Cannot allocate resource for EISA slot 6
EISA: Detected 0 cards.
NET: Registered protocol family 2
IP: routing cache hash table of 4096 buckets, 32Kbytes
TCP: Hash tables configured (established 32768 bind 65536)
NET: Registered protocol family 8
NET: Registered protocol family 20
RAMDISK: cramfs filesystem found at block 0
RAMDISK: Loading 4216 blocks [1 disk] into ram disk... |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\done.
VFS: Mounted root (cramfs filesystem) readonly.
Freeing unused kernel memory: 204k freed
vesafb: probe of vesafb0 failed with error -6
NET: Registered protocol family 1
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller at PCI slot 0000:00:07.1
VP_IDE: chipset revision 16
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt82c686a (rev 22) IDE UDMA66 controller on pci0000:00:07.1
ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:DMA, hdd:pio
hda: HDS722516VLAT80, ATA DISK drive
Using anticipatory io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 1024KiB
hda: 321672960 sectors (164696 MB) w/7938KiB Cache, CHS=20023/255/63, UDMA(66)
/dev/ide/host0/bus0/target0/lun0: p1 p2 p3 p4 < p5 >
hdc: LTN485S, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Adding 979956k swap on /dev/hda2. Priority:-1 extents:1
EXT3 FS on hda1, internal journal
Generic RTC Driver v1.07
hdc: ATAPI 48X CD-ROM drive, 120kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
SCSI subsystem initialized
Capability LSM initialized
device-mapper: 4.1.0-ioctl (2003-12-10) initialised: dm@uk.sistina.com
kjournald starting. Commit interval 5 seconds
EXT3 FS on dm-2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on dm-0, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on dm-1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
Linux agpgart interface v0.100 (c) Dave Jones
parport_pc: VIA 686A/8231 detected
parport_pc: probing current configuration
parport_pc: Current parallel port base: 0x378
parport0: PC-style at 0x378 (0x778), irq 7, using FIFO [PCSPP,TRISTATE,COMPAT,ECP]
parport_pc: VIA parallel port: io=0x378, irq=7
via-rhine.c:v1.10-LK1.1.20-2.6 May-23-2004 Written by Donald Becker
PCI: Found IRQ 10 for device 0000:00:09.0
PCI: Sharing IRQ 10 with 0000:00:0d.0
eth0: VIA Rhine III at 0xdc00, 00:0f:3d:c2:6a:4a, IRQ 10.
eth0: MII PHY found at address 1, status 0x786d advertising 05e1 Link 45e1.
e100: Intel(R) PRO/100 Network Driver, 3.0.18
e100: Copyright(c) 1999-2004 Intel Corporation
PCI: Found IRQ 10 for device 0000:00:0d.0
PCI: Sharing IRQ 10 with 0000:00:09.0
e100: eth1: e100_probe: addr 0xdf101000, irq 10, MAC addr 00:02:55:20:33:D8
PCI: Found IRQ 11 for device 0000:00:0b.0
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec 29160B Ultra160 SCSI adapter>
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs

(scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 31, 16bit)
Vendor: IBM-PSG Model: ST39236LW !# Rev: 3281
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:0:0: Tagged Queuing enabled. Depth 8
SCSI device sda: 17774160 512-byte hdwr sectors (9100 MB)
SCSI device sda: drive cache: write through
/dev/scsi/host0/bus0/target0/lun0:
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
agpgart: Detected VIA Apollo Pro 133 chipset
agpgart: Maximum main memory to use for agp memory: 439M
agpgart: AGP aperture is 64M @ 0xd8000000
cpci_hotplug: CompactPCI Hot Plug Core version: 0.2
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
pciehp: acpi_pciehprm:get_device PCI ROOT HID fail=0x1001
shpchp: acpi_shpchprm:get_device PCI ROOT HID fail=0x1001
usbcore: registered new driver usbfs
usbcore: registered new driver hub
ohci_hcd: 2004 Feb 02 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ohci_hcd: block sizes: ed 64 td 64
USB Universal Host Controller Interface driver v2.2
input: PC Speaker
inserting floppy driver for 2.6.8-2-386
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
eth0: Setting full-duplex based on MII #1 link partner capability of 45e1.
NET: Registered protocol family 17
NET: Registered protocol family 10
Disabled Privacy Extensions on device c02cc960(lo)
IPv6 over IPv4 tunneling driver
eth0: no IPv6 routers present

IFCONFIG
eth0 Lien encap:Ethernet HWaddr 00:0F:3D:C2:6A:4A
inet adr:192.168.1.44 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::20f:3dff:fec2:6a4a/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:67 errors:0 dropped:0 overruns:0 frame:0
TX packets:62 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
RX bytes:7500 (7.3 KiB) TX bytes:4722 (4.6 KiB)
Interruption:10 Adresse de base:0xdc00

lo Lien encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
adr inet6: ::1/128 Scope:Hôte
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
RX bytes:560 (560.0 b) TX bytes:560 (560.0 b)


ROUTE
Table de routage IP du noyau
Destination Passerelle Genmask Indic Metric Ref Use Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0




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