Date: Fri, 27 Aug 1999 16:53:26 -0700 From: "Addr.com Web Hosting" <admin@addr.com> To: freebsd-hackers@FreeBSD.ORG Subject: Q: Frequent panics on 3.2-RELEASE Message-ID: <4.2.0.58.19990827163733.0203e380@mail3.addr.com>
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Hi,
I am getting very frequent panics (3 per day) on a 3.2-RELEASE server.:
Fatal trap 12: page fault while in kernel mode
mp_lock = 00000002; cpuid = 0; lapic.id = 00000000
fault virtual address = 0xbfca0b0c
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0255fa3
stack pointer = 0x10:0xcccb6f08
frame pointer = 0x10:0xcccb6f18
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 59793 (httpd)
interrupt mask = net tty bio cam <- SMP: XXX
trap number = 12
panic: page fault
mp_lock = 00000002; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0
# nm /kernel | grep c0255f
c0255f3c T pmap_remove_pages
The once the machine reboots, it often follows up (within 5 minutes) with:
panic: sbflush: cc 0 || mb 0 || mbcnt 67108864
mp_lock = 00000001; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0
It is a dual PIII-450 machine, with 512 MB of ram and DPT raid controller
(maxusers set at 256). The machine is mildly loaded, running http, ftp,
pop3, smtp, telnet... as well as a low volume NFS client and server. Any
suggestions as to how to fix these panics would be greatly appreciated. If
more info is needed I can probably find it.
Thanks in advance,
Anthony.
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