On Fri, Jan 7, 2011 at 1:20 PM, Mark Saad <nones...@longcount.org> wrote: > Hello hackers@, > I have a good question that I cant find an answer for. I believe > found a kernel bug in 7.3-RELEASE that prevents me from booting 64-bit > kernels on HP's DL360 G4p . The kernel dies with "Fatal trap 12: page > fault while in kernel mode " . The hardware works fine in 7.2-RELEASE > amd64, 7.1-RELEASE amd64, and 6.4-RELEASE amd64 . > > In 7.3-RELEASE amd64 I can not boot from cd or pxe correctly using the > stock 7.3-RELEASE amd64 kernel however i386 works fine. To see if this > issue was some how fixed in 7.3-RELEASE-p4 amd64 I rebuilt a GENERIC > kernel using patches sources and tried to boot and I got the same > crash. > > Next I rebuilt the kernel with KDB and DDB to see if I could get a > core-dump of the system. I also set loader.conf to > > kernel="kernel.DEBUG" > kern.dumpdev="/dev/da0s1b" > > Next I pxebooted the box and the system does not crash on boot up, it > will easily load a nfs root and work fine. So I copied my debug > kernel, and loader.conf to the local disk and rebooted and it boots > fine from the local disk . > > Rebooting the server and running off the local disks and debug kernel, > I cant find any issues. > > Reboot the box into a GENERIC 7.3-RELEASE-p4 kernel and it crashes > > With this error > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x0 > fault code = supervisor write data, page not present > instruction pointer = 0x8:0xffffffff800070fa > stack pointer = 0x10:0xffffffff8153cbe0 > frame pointer = 0x10:0xffffffff8153cc50 > 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 = 0 (swapper) > [thread pid 0 tid 100000 ] > Stopped at bzero+0xa: repe stosq %es:(%rdi) > > > What do I do , has anyone else seen anything like this ?
What are the messages before that on the kernel console and what are your drivers loaded on a stable system? Thanks, -Garrett _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"