Subject: Re: NetBSD Sparc32 SMP crash
To: Martin Husemann <martin@duskware.de>
From: Pavel Cahyna <pavel.cahyna@st.mff.cuni.cz>
List: port-sparc
Date: 05/20/2005 12:07:36
Hello,
On Fri, 20 May 2005 11:12:20 +0200, Martin Husemann wrote:
> On Fri, May 20, 2005 at 09:02:29AM +0000, Geert Hendrickx wrote:
>> I don't have any other SMP machines, but on my UP i386, it also gives a
>> segfault. Could anyone with a non-sparc SMP machine try this? It may not be a
>> sparc-specific problem.
>
> Can you trigger it with any base system utility?
> What does mcview do (I suppose lock the file with fcntl() or flock()) to the
> file?
Mmaps it:
1655 mc CALL open(0x80f8bc0,4,0)
1655 mc NAMI "/kern/copyright"
1655 mc RET open 4
1655 mc CALL __fstat13(4,0x80d62fc)
1655 mc RET __fstat13 0
1655 mc CALL fcntl(3,3,0)
1655 mc RET fcntl 2
1655 mc CALL fcntl(3,4,2)
1655 mc RET fcntl 0
1655 mc CALL read(4,0xbfbff33c,4)
1655 mc GIO fd 4 read 4 bytes
"Copy"
1655 mc RET read 4
1655 mc CALL mmap(0,0xec,1,1,4,0,0,0)
1655 mc RET mmap 1210056704/0x48200000
1655 mc PSIG SIGSEGV SIG_DFL
1655 mc NAMI "/var/tmp/mc.core"
This is on i386, with 2.0_BETA uniprocessor kernel.