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Date:      Thu, 26 Mar 2009 09:11:55 -0700
From:      George Hartzell <hartzell@alerce.com>
To:        freebsd-current@freebsd.org
Subject:   Re: kernel won't boot after installing from snapshot, csup, then build
Message-ID:  <18891.43339.915835.806419@already.local>
In-Reply-To: <18889.42937.62693.729218@already.local>
References:  <18889.42937.62693.729218@already.local>

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George Hartzell writes:
 > I'm having a problem building up a current system.
 > 
 > I did a minimal install from the amd64 CURRENT snapshot for 200902,
 > the csup'ed using the standard-supfile, then did a buildworld,
 > buildkernel, installkernel and reboot.
 > 
 > I've been trying this daily for 3-4 days, thinking that maybe their
 > was a temporary problem.
 > 
 > I only have one machine (Via VB8001) from which to do the install but
 > have tried the build and boot on both the VB8001 and a Gigabyte
 > GA-6KIEH-RH.
 > 
 > The kernel detects two CPUs, reports the ioapic0, then enters the
 > debugger with:
 > 
 > kernel trap 12 with interrupts disabled.
 > Fatal trap 12: page fault while in kernel mode
 > cpuid = 0; apic id = 00
 > fault virtual address = 0x3c
 > fault code = supervisor write data, page not present
 > instruction pointer = 0x8:0xffffffff8056db2f
 > stack pointer = 0x10:0xffffffff80f81c70
 > frame pointer = 0x10:0xffffffff80f81ca0
 > code segment = base 0x0, limit 0xfffff, type 0x1b
 >              = DPL 0, pres 1, long 1, def32 0, gran 1
 > processor eflags = resume, IOPL = 0
 > current process = 0 (swapper)
 > [thread pid 0 tid 100000 ]
 > Stopped at devclass_find_internal+0x10f: orl $0x1, 0x3c(%rax)
 > 
 > There's a photo of the full dump at
 > 
 >   http://shrimp.alerce.com/crash.jpg
 > 
 > Any ideas what I've done wrong?

[following up for posterity]

I was told in private mail that:

   r190417 should fix this.

and indeed it did.

g.



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