Date: Sat, 19 Apr 2008 20:50:28 +0400 From: Boris Samorodov <bsam@ipt.ru> To: Tijl Coosemans <tijl@ulyssis.org> Cc: freebsd-emulation@freebsd.org Subject: Re: googleearth & skype trouble Message-ID: <15571435@bb.ipt.ru> In-Reply-To: <200804191746.12611.tijl@ulyssis.org> (Tijl Coosemans's message of "Sat\, 19 Apr 2008 17\:46\:11 %2B0200") References: <480921B2.6030004@inode.at> <40533363@bb.ipt.ru> <200804191746.12611.tijl@ulyssis.org>
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On Sat, 19 Apr 2008 17:46:11 +0200 Tijl Coosemans wrote: > On Saturday 19 April 2008 17:03:56 Boris Samorodov wrote: > > On Sat, 19 Apr 2008 00:33:22 +0200 Armin Pirkovitsch wrote: > >> When I try to start them I get: > >> <program>: error while loading shared libraries: > >> /usr/lib/librt.so.1: ELF file OS ABI invalid > > > > From your kdump: > > ----- > > 98302 googleearth-bin NAMI "/compat/linux/lib/librt.so.1" > > 98302 googleearth-bin NAMI "/compat/linux" > > 98302 googleearth-bin NAMI "/compat/linux/lib/librt.so.1" > > 98302 googleearth-bin RET linux_open 3 > > 98302 googleearth-bin CALL read(0x3,0xbfbfd92c,0x200) > > 98302 googleearth-bin GIO fd 3 read 512 bytes > > [...] > > 98302 googleearth-bin RET read 512/0x200 > > 98302 googleearth-bin CALL close(0x3) > > 98302 googleearth-bin RET close 0 > > 98302 googleearth-bin CALL linux_open(0xbfbfd800,0,0x4805d5ab) > > 98302 googleearth-bin NAMI "/compat/linux/usr/lib/tls/librt.so.1" > > 98302 googleearth-bin NAMI "/usr/lib/tls/librt.so.1" > > 98302 googleearth-bin RET linux_open JUSTRETURN > > 98302 googleearth-bin CALL linux_open(0xbfbfd800,0,0x4805d5ab) > > 98302 googleearth-bin NAMI "/compat/linux/usr/lib/librt.so.1" > > 98302 googleearth-bin NAMI "/usr/lib/librt.so.1" > > 98302 googleearth-bin RET linux_open 3 > > 98302 googleearth-bin CALL read(0x3,0xbfbfd92c,0x200) > > 98302 googleearth-bin GIO fd 3 read 512 bytes > > [...] > > ----- > > > > The linux library is found but not used. And then the native FreeBSD > > one is got tried, hence the error occures. Sorry, but that seems to > > be a symptom of linux.osrelease=2.6.16 requirement for those > > applications to run. > Actually, this is a known problem with linux_base-fc4 and 2.4.2 > emulation. It pops up on the mailinglists now and then so it's starting > to become a faq. > One of the solutions is to create a softlink: > ln -f ../../lib/librt.so.1 /compat/linux/usr/lib/librt.so.1 > That way, the linux compat open(2) syscall never returns the FreeBSD > librt.so.1 and the linker eventually finds the 2.4.2 compatible version > /compat/linux/lib/obsolete/linuxthreads/librt.so.1. But does it really helps to skype or googleearth? > Somebody should at this to a post-install target in the port/package, > because /compat/linux/bin/ls and some others are affected as well. The case with linux bin/ls imho is an other one. When you run /compat/linux/bin/sh and run any command you don't get linux programs running at the first place: ----- % /compat/linux/bin/sh bsam@.ipt.ru$ uname -a Linux host.ipt.ru 2.6.16 FreeBSD 7.0-STABLE #2: Fri Apr 18 01:36:58 MSD 2008 i686 i686 i386 GNU/Linux bsam@.ipt.ru$ file `which ls` /bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1 (FreeBSD), for FreeBSD 7.0 (700103), dynamically linked (uses shared libs), FreeBSD-style, stripped ----- Compare to: ----- % sudo chroot /compat/linux /bin/sh sh-3.2# uname -a Linux host.ipt.ru 2.6.16 FreeBSD 7.0-STABLE #2: Fri Apr 18 01:36:58 MSD 2008 i686 i686 i386 GNU/Linux sh-3.2# file `which ls` sh: which: command not found sh: file: command not found ----- WBR -- Boris Samorodov (bsam) Research Engineer, http://www.ipt.ru Telephone & Internet SP FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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