Re: buildworld with core2 duo fails with page fault while in kernel mode

On 2/26/07, Tyler Gee <geekout_at_gmail.com> wrote:
> On 2/25/07, Bruno Damour <freebsd_at_ruomad.net> wrote:
> > Hello,
> >
> > I upgraded yesterday my mobo from Asus mn2pv-vm + Sempron 2800+ to a brand new
> >  asus P5W-DH Deluxe + Core Duo 6400.
> >
> > My freebsd system booted just allright (so it seemed) but when i try to make
> > buildworld it fails (always, but after a random time) with (see below, not always with "rm", but similarly) :
> > I only change my make conf settings to replace CPUTYPE from athlon64 to core2.
> > Any ideas to help me ?
>
> Just a guess, but when I was playing wit -CURRENT on my newer macbook
> pro with the core duo I was getting a lot of fails in buildworld at
> random times like you are seeing and it took me a while to figure out
> my system time was way off.  make will give a lot of problems if your
> time is off, especially if it is in the past.

I don't think incorrect time will result in page fault in kernel mode.

To Bruno, I suggest you hook up DDB to obtain some debug information.
See Developer's Handbook to details.

Regards,
Rong-En fan


> > Fatal trap 12: page fault while in kernel mode
> > cpuid = 0; apic id = 00
> > fault virtual address   = 0x68
> > fault code              = supervisor read data, page not present
> > instruction pointer     = 0x8:0xffffffff80317265
> > stack pointer           = 0x10:0xffffffffa579c550
> > frame pointer           = 0x10:0x4
> > code segment            = base 0x0, limit 0xfffff, type 0x1b
> >                         = DPL 0, pres 1, long 1, def32 0, gran 1
> > processor eflags        = interrupt enabled, resume, IOPL = 0
> > current process         = 8785 (rm)
> > trap number             = 12
> > panic: page fault
> > cpuid = 0
> > Uptime: 9m31s
> > Physical memory: 1015 MB
> > Dumping 184 MB:sr
> >
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>
> --
> ~Tyler
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