Date: Mon, 24 Jul 2006 10:57:29 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Divacky Roman <xdivac02@stud.fit.vutbr.cz> Cc: freebsd-current@freebsd.org, Gaspar Chilingarov <casper@mail.web.am> Subject: Re: Are there any beakage of linuxulator (on amd64)? Message-ID: <20060724105729.kueau56u8ks8c8gw@netchild.homeip.net> In-Reply-To: <20060724080620.GA39934@stud.fit.vutbr.cz> References: <44C39D7E.30102@mail.web.am> <20060724080620.GA39934@stud.fit.vutbr.cz>
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Quoting Divacky Roman <xdivac02@stud.fit.vutbr.cz> (from Mon, 24 Jul 2006 10:06:20 +0200): > On Sun, Jul 23, 2006 at 09:02:06PM +0500, Gaspar Chilingarov wrote: >> Hi all! >> >> After upgrading from -CURRENT mid-Mart to Jul 22 current I got a >> failures for Linux applications which try to use X. >> >> About my system: amd64, I'm trying to run openoffice and skype, but they >> fail with "Segmentation fault". ktrace also produces dump, which makes >> kdump fail also with segfault. >> >> Is this known issue or I've messed somethng on my system while upgrading? > > yes... linuxolator@amd64 is currently broken. afaik the commit to linux_ipc > removing stackgap usage broke it. I hope someone (jhb?) is working on it We like to work on it. But so far I haven't seen someone provide the necessary debugging (maybe jhb got something and I didn't got a CC). We need a ktrace of it. Most of the time a wrapper script is called when running a linux program. This is at least true for skype and acroread. So there are two possibilities: - run "ktrace -i" and hope the mixed information (FreeBSD sh and linux binary) can be decoded - modify the wrapper script to run ktrace on the real linux binary To process the ktrace.out file, you need to use the linux_kdump program. I made a package (32bit) available at http://www.leidinger/net/FreeBSD/ Most interesting is the information which syscall is called before the coredump, but the entire log would be ok too (please don't send it to the list if it is large). So if anyone is able to provide this information: we prefer to get it even from several people instead of not at all. Bye, Alexander. -- Let the meek inherit the earth -- they have it coming to them. -- James Thurber http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137help
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