Date: Wed, 05 Sep 2001 14:47:28 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: current@FreeBSD.org Subject: Re: Linuxulator: possible Giant pushdown victim Message-ID: <XFMail.010905144728.jhb@FreeBSD.org> In-Reply-To: <20010905135040.A398@athlon.pn.xcllnt.net>
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On 05-Sep-01 Marcel Moolenaar wrote: > On Wed, Sep 05, 2001 at 11:04:04AM -0700, John Baldwin wrote: >> >> On 05-Sep-01 Marcel Moolenaar wrote: >> > Hi, >> > >> > I get consistent locks when trying to run Mozilla for Linux (RH 7.1). >> > >> > Breaking into the debugger, I see it hangs in fork_exit()+180. This >> > is should be the PROC_LOCK(p) in the source file (kern_fork.c). >> >> Can you do 'show locks <pid>' where <pid> is the pid of the mozilla process? >> Also, what does a 'trace' of the pid in question show? (I take it this is >> how >> you know where it locked up?) > > show locks <pid> gives nothing for all cloned mozilla processes. This > strikes me as odd. Another strange thing is that it seems to have a > local effect at first (ie only mozilla hangs), but when trying to > compose an email on the same machine (for example), it locks up hard. > > I give you a complete trace when I call it a day at the office. In the > mean time, this is roughly it (warning, from memory): > > Debugger > ... > intr...kbd > intr...isa > ithread_loop > fork_exit > fork_trampoline > > My guess is that everything beginning with ithread_loop is related to > me breaking into the debugger with CA-ESC. Yes, you can trace indiviudal processes though, using 'trace <pid>', and I'm more curious about the traces of the Mozilla processes. -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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