Jeff Blank wrote:
> Hello,
>
> I posted this around 3 months ago and never received a response. the
> problem still occurs with 7.0-STABLE (csup on 20080301). I possibly
> incorrectly referred to it as a panic last time, when the problem was
> really a trap.
>
>


I also receive "Fatal trap 12: page fault while in kernel mode" while
trying to boot a HP Proliant DL580G3 from the 7.0-RELEASE amd64 disc1 CD.

I can successfully boot with the verbose boot option from the boot CD,
and I installed the system and got it all setup for ZFS root. At long as
I booted verbose it worked.

But now I have recompiled the kernel to include SCHED_ULE and a few
options and I cannot avoid the "Fatal trap 12"

It is annoying to troubleshoot on this machine because the BIOS takes 5
minutes finally get around to booting the OS after a reboot. But it has
an iLO management controller that I might be able to arrange access to
for anyone who has the skill to find/fix the issue.

Joe Koberg
joe at osoft dot us




> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x258
> fault code = supervisor read data, page not present
> instruction pointer = 0x8:0xffffffff8047aa7e
> stack pointer = 0x10:0xffffffffa0677b40
> frame pointer = 0x10:0xffffffffa0677b60
> 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 = 23 (irq21: ohci0+)
> [thread pid 23 tid 100029 ]
> Stopped at 0xffffffff8047aa7e = _mtx_lock_sleep+0x4e: movl 0x258(%rcx),%esi
> db>
> === end panic ===
>
> === no panic ===
> [...]
> ums0: on uhub0
> ums0: 5 buttons and Z dir.
> ukbd0: on uhub0
> kbd2 at ukbd0
> Timecounters tick every 1.000 msec
> firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
> firewire0: bus manager 0 (me)
> acd0: DMA limited to UDMA33, device found non-ATA66 cable
> acd0: DVDR at ata0-master UDMA33
> ad4: 238475MB at ata2-master SATA300
> ad8: 157066MB at ata4-master SATA300
> ad10: 157066MB at ata5-master SATA300
> ar0: 314133MB status: READY
> ar0: disk0 READY using ad8 at ata4-master
> ar0: disk1 READY using ad10 at ata5-master
> SMP: AP CPU #1 Launched!
> Trying to mount root from ufs:/dev/ad4s1a
> [continue successful boot]
> === end no panic ===
>
> ----- End forwarded message -----
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>


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