The server has 1G of RAM (only 100M for squid) Dmesg give me many things, but I don't know how to interpret this : proxy1:~# dmesg |more eive checksums enabled cpu cycle saver enabled e100: selftest OK. e100: eth1: Intel(R) PRO/100 Network Connection Hardware receive checksums enabled cpu cycle saver enabled ncr53c8xx: at PCI bus 0, device 4, function 0 ncr53c8xx: 53c1510D detected ncr53c8xx: at PCI bus 0, device 4, function 1 ncr53c8xx: 53c1510D detected ncr53c1510D-0: rev 0x2 on pci bus 0 device 4 function 0 irq 10 ncr53c1510D-0: ID 7, Fast-40, Parity Checking ncr53c1510D-1: rev 0x2 on pci bus 0 device 4 function 1 irq 11 ncr53c1510D-1: ID 7, Fast-40, Parity Checking scsi0 : ncr53c8xx-3.4.3b-20010512 scsi1 : ncr53c8xx-3.4.3b-20010512 megaraid: v1.18k (Release Date: Thu Aug 28 10:05:11 EDT 2003) megaraid: no BIOS enabled. scsi2 : SCSI host adapter emulation for IDE ATAPI devices eepro100.c:v1.09j-t 9/29/99 Donald Becker http://www.scyld.com/network/eepro100. html eepro100.c: $Revision: 1.36 $ 2000/11/17 Modified by Andrey V. Savochkin <saw@sa w.sw.com.sg> and others pci_hotplug: PCI Hot Plug PCI Core version: 0.5 cpqphp: Hot Plug Subsystem Device ID: a2f8 cpqphp: Initializing the PCI hot plug controller residing on PCI bus 2 PCI: Using BIOS Interrupt Routing Table PCI: Using BIOS Interrupt Routing Table cpqphp: Hot Plug Subsystem Device ID: a2f9 cpqphp: Initializing the PCI hot plug controller residing on PCI bus 7 PCI: Using BIOS Interrupt Routing Table cpqphp: Compaq Hot Plug PCI Controller Driver version: 0.9.7 usb.c: registered new driver usbdevfs usb.c: registered new driver hub uhci.c: USB Universal Host Controller Interface driver v1.1 usb-uhci.c: $Revision: 1.275 $ time 13:57:34 Aug 24 2004 usb-uhci.c: High bandwidth mode enabled usb-uhci.c: v1.275:USB Universal Host Controller Interface driver hw tcp v4 csum failed hw tcp v4 csum failed hw tcp v4 csum failed hw tcp v4 csum failed hw tcp v4 csum failed hw tcp v4 csum failed hw tcp v4 csum failed .... regarding the ps | grep, I don't know, I will test on the next problem. L.G. -----Original Message----- From: Robert Borkowski [mailto:rborkows@xxxxxxxxxxx] Sent: Donnerstag, 3. November 2005 16:21 To: Gix, Lilian (CI/OSR) * Cc: Henrik Nordstrom; squid-users@xxxxxxxxxxxxxxx Subject: Re: Squid unreachable every hour and 6 minutes. How much memory is in your server? What does the command 'dmesg' return? What does 'ps aux|grep squid' return just before a crash? -- Robert Borkowski