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Re: port-i386/44078: port-i386 crash to BIOS on demand from user mode SIGTRAP
The following reply was made to PR port-i386/44078; it has been noted by GNATS.
From: David Laight <david%l8s.co.uk@localhost>
Subject: Re: port-i386/44078: port-i386 crash to BIOS on demand from user mode
Date: Wed, 10 Nov 2010 22:16:47 +0000
On Wed, Nov 10, 2010 at 01:49:27PM -0800, John Reiser wrote:
> On 11/10/2010 10:30 AM, David Laight wrote:
> > On Wed, Nov 10, 2010 at 04:35:00PM +0000, jreiser%BitWagon.com@localhost
> > wrote:
> > > >Number: 44078
> > > >Category: port-i386
> > > >Synopsis: i386 crash to BIOS on demand from user mode SIGTRAP
> > Can you try this on 'current' ?
> The test case executes correctly (does not crash the system) when run under:
> NetBSD NetBSD32.local 5.1 NetBSD 5.1 (GENERIC) #0: Sun Nov 7 14:39:56 UTC
> which I obtained from ftp://iso.netbsd.org/pub/NetBSD/iso/5.1/i386cd-5.1.iso
> The output I see is:
>  Trace/BPT trap (core dumped) ./nop
> and file 'nop.core' is created and is a relevant "core" file.
In which case this was probably fixed by the changes done to fix
faults in kernel during 'return to user'.
I think the changes were pulled up to 5.1.
Not sure whether it is worth applying them to the 5.0 branch.
David Laight: david%l8s.co.uk@localhost
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