Date: Fri, 25 Aug 2006 10:36:28 +0200 From: Divacky Roman <xdivac02@stud.fit.vutbr.cz> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: cejkar@fit.vutbr.cz, freebsd-emulation@freebsd.org, freebsd-gnats-submit@freebsd.org, Markus Hoenicka <markus.hoenicka@mhoenicka.de> Subject: Re: ports/102474: linux_base-fc-4_8 appears broken, does not allow to run Linux binaries Message-ID: <20060825083628.GA92621@stud.fit.vutbr.cz> In-Reply-To: <20060825082320.ygobmy4doo0sowsg@netchild.homeip.net> References: <E1GGL6p-0000Bd-2Z@bsam.ru> <17646.3029.176290.711490@yeti.mininet> <80657181@bsam.ru> <17646.6613.28038.72832@yeti.mininet> <14575472@bsam.ru> <17646.7832.330245.660064@yeti.mininet> <48492411@bsam.ru> <20060825082320.ygobmy4doo0sowsg@netchild.homeip.net>
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On Fri, Aug 25, 2006 at 08:23:20AM +0200, Alexander Leidinger wrote: > Quoting Boris Samorodov <bsam@ipt.ru> (from Fri, 25 Aug 2006 02:28:36 > +0400): > > >On Thu, 24 Aug 2006 23:48:08 +0200 Markus Hoenicka wrote: > >>Boris Samorodov writes: > > > >> > Can you give me a link to ktrace.out for > >> > "ktrace -i /compat/linux/usr/bin/ldd /compat/linux/sbin/ldconfig"? > > > >>Yes, please have a look at: > > > >>http://refdb.sourceforge.net/stuff/ldd/ktrace.out > > > >Aha, /compat/linux/usr/bin/ldd is a script. Can't say for sure should > >it work or not but something strange does exist: > >----- > > 24546 ktrace RET ktrace 0 > > 24546 ktrace CALL execve(0xbfbfe85e,0xbfbfe75c,0xbfbfe768) > > 24546 ktrace NAMI "/compat/linux/usr/bin/ldd" > > 24546 ktrace NAMI "/bin/sh" > > 24546 ktrace NAMI "/libexec/ld-elf.so.1" > > 24546 sh RET execve 0 > >----- > > > >Alexander, can you comment on this behaviour? Thanks! > > The kernel contains code to detect if a linux program is a script and > contains "#!" at the beginning. If it detects this, it tries to start > the linux version of the interpreter. At least it should do that. If > the above isn't a cut-down version of the ktrace, and if the linux ldd > does contain "#!" as the first two characters of the file (I can't > check ATM), then there's something wrong here. > > Regarding the lib problem in the PR: FreeBSD 6.x and fc4 contain a > libc.so.6. So the order of the ld path (/compat/linux/etc/ld.so.conf > or how it is spelled) may matter. I don't have a 6.x system to test > this, so someone has to play around with it and report here (don't > forget to rerun the linux ldconfig with the '-R /compat/linux' option > after each change). If this doesn't solve the problem, I need to see > the complete ktrace of a failing program which tries to link with > libc.so.6. it might be unrelated but I have reports that libmaping doesnt work in this case when you have the same named library. the problem is in system linker. dont remember details I CC: cejkar@fit.vutbr.cz who reported me this problem. roman
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