libthr faults with recent kernel?

[Robert Watson]

Jake Burkholder just posted a patch to freebsd-threads that works around
(fixes?) the problem; indeed, it does seem to be a result of the recent
LAZY_SWITCH changes.

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Network Associates Laboratories

On Sun, 6 Apr 2003, Munehiro Matsuda wrote:

> Hi,
> 
> When ever I try to run application with the new libthr.so.1 with
> recent kernel, I get my system falt and just reboots:
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address   = 0xa0
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc037f80e
> stack pointer           = 0x10:0xd202fca0
> frame pointer           = 0x10:0xd202fcc8
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = Idle
> trap number             = 12
> panic: page fault
> 
> 
> Anybody seen this, or am I the only getting this?
> 
> I'm assuming that, it started after the LAZY_SWITCH commit, 
> but I can't say for sure.
> 
> Thanks,
>  Haro
> =------------------------------------------------------------------------------
>            _ _    Munehiro (haro) Matsuda
>  -|- /_\  |_|_|   Business Incubation Dept., Kubota Corp.
>  /|\ |_|  |_|_|   1-3 Nihonbashi-Muromachi 3-Chome
>                   Chuo-ku Tokyo 103-8310, Japan
>                   Tel: +81-3-3245-3318  Fax: +81-3-3245-3315
>                   Email: haro at kgt.co.jp
> 
> 
> 
> 
> 
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