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Date:      Fri, 23 Apr 2010 11:25:22 -0700
From:      Juli Mallett <jmallett@FreeBSD.org>
To:        "C. Jayachandran" <c.jayachandran@gmail.com>
Cc:        freebsd-mips@freebsd.org
Subject:   Re: Crashes with the current -HEAD
Message-ID:  <q2jeaa228be1004231125hed2bbe9fj6680b29fdd63511a@mail.gmail.com>
In-Reply-To: <g2v98a59be81004230638q91b48b47i99ec64a137790bbc@mail.gmail.com>
References:  <g2v98a59be81004230638q91b48b47i99ec64a137790bbc@mail.gmail.com>

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JC,

It's probably my fault if that's when your last good kernel was.  Do
you mind trying updating to r206713 then r206714 then r206717 then
r206819 and r206834?  Or start with r206717 and go earlier or later
based on whether it works.  If you can figure out what commit was at
fault, I'll be glad to work with you to isolate whatever's
responsible.  In the meantime, I'll try to reproduce and fix this
locally.

Thanks,
Juli.

On Fri, Apr 23, 2010 at 06:38, C. Jayachandran <c.jayachandran@gmail.com> w=
rote:
> I'm seeing crashes like the one below when I do a 'make -j16
> buildworld' in the current HEAD. =A0This is without SMP enabled and
> without any of the XLR smp changes.
>
> buildworld used to work on XLR with earlier kernels - the last good
> kernel I have is around r206712. =A0Any idea what can be causing this?
>
> Thanks,
> JC.
>
> xlrboard# =A0 =A0Mar 18 14:04:43 xlrboard kernel: BAD_PAGE_FAULT: pid
> 12596 (cc), uid 1001: pc 0 got a read fault at 0
> Mar 18 14:04:43 xlrboard kernel: Trapframe Register Dump:
> Mar 18 14:04:43 xlrboard kernel: zero: 0 =A0 =A0 =A0 =A0at: 0x1000a1f4 =
=A0v0:
> 0x7fffcf28 =A0v1: 0
> Mar 18 14:04:43 xlrboard kernel: a0: 0x7fffd638 a1: 0x470bf8 =A0 =A0a2:
> 0x7fffcf28 =A0a3: 0x470c24
> Mar 18 14:04:43 xlrboard kernel: t0: 0 =A0t1: 0x4000000 =A0 t2: 0 =A0 t3:=
 0
> Mar 18 14:04:43 xlrboard kernel: t4: 0 =A0t5: 0 =A0 t6: 0 =A0 t7: 0
> Mar 18 14:04:43 xlrboard kernel: t8: 0 =A0t9: 0 =A0 s0: 0x7fffd638 =A0s1:=
 0
> Mar 18 14:04:43 xlrboard kernel: s2: 0x1b =A0 =A0 =A0 s3: 0 =A0 s4: 0 =A0=
 s5:
> 0x7fffcf31
> Mar 18 14:04:43 xlrboard kernel: s6: 0x471398 =A0 s7: 0x3 k0: 0 =A0 k1: 0
> Mar 18 14:04:43 xlrboard kernel: gp: 0x1000f630 sp: 0x7fffcec8 =A0s8:
> 0x7fffcf31 =A0ra: 0x43a200
> Mar 18 14:04:43 xlrboard kernel: sr: 0xc013 =A0 =A0 mullo: 0 =A0 =A0 =A0 =
=A0mulhi:
> 0 =A0 =A0 =A0 =A0badvaddr: 0
> Mar 18 14:04:43 xlrboard kernel: cause: 0x8 =A0 =A0 pc: 0
> Mar 18 14:04:43 xlrboard kernel: pc address 0 is inaccessible, pde =3D
> 0x0, pte =3D 0x0
> Mar 18 14:04:43 xlrboard kernel: BAD_PAGE_FAULT: pid 12601 (as), uid
> 1001: pc 0x524818 got a read fault at 0x4b90
>
> --
> C. Jayachandran =A0 =A0c.jayachandran@gmail.com
>



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