Date: Sat, 15 Feb 2003 13:00:07 +0100 From: Thomas Spreng <spreng@socket.ch> To: freebsd-hackers@freebsd.org Subject: linux binary and pwrite() problem... Message-ID: <20030215120007.GA44691@rock.stable.ch>
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Hi,
I have two fbsd systems, both running 4.7 and linux_base-7.1_2.
I am trying to run a gameserver linux binary (sof2 v1.02) on one
of these machines but it just hangs if i start it. The strange
thing is that exactly the same binary works on the other fbsd box
with the same linux_base port.
The only thing that differs is the build date of the two boxes,
which is '4.7-RELEASE-p4 #0: Sun Feb 9 00:34:14 CET 2003' for the
one that doesn't work and '4.7-RELEASE-p2 #13: Sat Dec 7 12:58:57
CET 2002' for the working machine.
I have traced the processes on both machines with 'ktrace' and
everying looks fine until the following strange thing:
On the 'not-working' machine:
# kdump
...<snip>...
94449 sof2ded RET ftruncate 1001/0x3e9
94449 sof2ded CALL lseek
94449 sof2ded RET lseek 1001/0x3e9
94449 sof2ded CALL #208(0xffffffff,0x3e9,0xffffffff)
94449 sof2ded RET #208 0
94449 sof2ded CALL pwrite(0x4,0xbfbfe618,0xbfbfe588,0x8)
94449 sof2ded RET pwrite 0
94449 sof2ded PSIG SIGILL caught handler=0x8126678 mask=0x0 code=0x0
94449 sof2ded PSIG SIGINT SIG_DFL
While on the working box i got the following:
# kdump
...<snip>...
3874 sof2ded RET ftruncate 1001/0x3e9
3874 sof2ded CALL lseek
3874 sof2ded RET lseek 1001/0x3e9
3874 sof2ded CALL #208(0xffffffff,0x3e9,0xffffffff)
3874 sof2ded RET #208 0
3874 sof2ded CALL write(0x2,0xbfbfd75c,0x24)
3874 sof2ded GIO fd 2 wrote 36 bytes
"SOF2MP V1.02 linux-i386 Sep 23 2002
I cannot explain why on one box 'pwrite()' is called and on the other
one 'write()', is this the first box has a newer build date? Or are
there any other components that might have an effect on running linux
binaries.
Anything else i could do to track down this problem?
Cheers,
Tom
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