Date: Mon, 18 Jan 1999 01:32:37 -0500 From: "Stephen Comoletti" <stevec@delanet.com> To: <freebsd-questions@FreeBSD.ORG> Cc: "Donna Phillips" <trillium@delanet.com> Subject: Need help determining cause of a crash Message-ID: <007a01be42ac$5a39d420$118809d0@oemcomputer>
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This is a multi-part message in MIME format. ------=_NextPart_000_0075_01BE4282.6EEF22A0 Content-Type: multipart/mixed; boundary="----=_NextPart_000_0072_01BE4282.6EDE59C0" ------=_NextPart_000_0072_01BE4282.6EDE59C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit I had a web server crash tonight, and I'm not quite sure why. Output of the logs are as follows: Jan 17 15:02:50 <0.2> somnus /kernel: Jan 17 15:02:50 <0.2> somnus /kernel: Jan 17 15:02:50 <0.2> somnus /kernel: Fatal trap 12: page fault while in kernel mode Jan 17 15:02:50 <0.2> somnus /kernel: fault virtual address = 0xf698a000 Jan 17 15:02:50 <0.2> somnus /kernel: fault code = supervisor read, page not present Jan 17 15:02:50 <0.2> somnus /kernel: instruction pointer = 0x8:0xf01ffdd4 Jan 17 15:02:50 <0.2> somnus /kernel: stack pointer = 0x10:0xf65f4c7c Jan 17 15:02:50 <0.2> somnus /kernel: frame pointer = 0x10:0xf65f4c8c Jan 17 15:02:50 <0.2> somnus /kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Jan 17 15:02:50 <0.2> somnus /kernel: = DPL 0, pres 1, def32 1, gran 1 Jan 17 15:02:50 <0.2> somnus /kernel: processor eflags = interrupt enabled, resume, IOPL = 0 Jan 17 15:02:50 <0.2> somnus /kernel: current process = 386 (syslogd) Jan 17 15:02:50 <0.2> somnus /kernel: interrupt mask = Jan 17 15:02:50 <0.2> somnus /kernel: trap number = 12 Jan 17 15:02:50 <0.2> somnus /kernel: panic: page fault Jan 17 15:02:50 <0.2> somnus /kernel: Jan 17 15:02:50 <0.2> somnus /kernel: syncing disks... 3 3 <6>Connection attempt to TCP 208.9.136.16 9:143 from 24.229.36.32:56346 flags=0x2<SYN> Jan 17 15:02:50 <0.2> somnus /kernel: done Jan 17 15:02:50 <0.6> somnus /kernel: Connection attempt to TCP 208.9.136.172:143 from 24.229.36.32: 56348 flags=0x2<SYN> Jan 17 15:02:50 <0.6> somnus /kernel: Connection attempt to TCP 208.9.136.172:37 from 24.229.36.32:5 6347 flags=0x2<SYN> Jan 17 15:02:50 <0.2> somnus /kernel: Automatic reboot in 15 seconds - press a key on the console to Jan 17 15:02:50 <0.2> somnus /kernel: abort Jan 17 15:02:50 <0.2> somnus /kernel: Rebooting... I had a similar crash to this once before, and it was suggested that the machine ahd a bad ram chip in it. This is the second time only in a 3 month period for this machine to crash for any reason. It is running 3.0 release, and is a HP Pavilion pentium II/333 with 168 megs ram, lynksys 10bt ether, and quantum bigfoot 8gig ide drive. All the directories for the web server are nfs mounted from a raid array on a sun netra. The one thing that made me ask again is that we had received approximately 4376 tcp packets to various ports from a single ip, before and up to the time of the crash, and again after reboot. All came from the same source, a cable modem with another isp. The ports they hit were various, 7, 21, 25, 37, 70, 80, 119, 143 and a few more. They came in at a rate of 25 to 30 a second. Not sure if this is coincidence or not. Figured I'd ask and see if anyone else has experienced this or can verify it from the log above. Thanks in advance for any assistance. 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