Date: Mon, 21 May 2001 09:20:31 +0100 From: David Malone <dwmalone@maths.tcd.ie> To: Dima Dorfman <dima@unixfreak.org> Cc: mheffner@vt.edu, freebsd-current@freebsd.org, alfred@freebsd.org Subject: Re: panic: mutex vm not owned Message-ID: <200105210920.aa71413@salmon.maths.tcd.ie> In-Reply-To: Your message of "Sun, 20 May 2001 13:29:22 PDT." <20010520202933.847EB3E0B@bazooka.unixfreak.org>
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> Please try the attached patch. I make no claims of its correctness, > but this e-mail is coming to you via X on -current updated a few hours > ago so it works here :-). I tried Dima's patch (the one which Alfred has committed) and I get an earlier mutex recursion panic, probably when a local progam that uses shm forks and exits. I scribbled down this trace from it: panic+0x70 _mtx_assert+0x67 lockmgr+0xdc vm_map_remove+0x42 shm_delete_mapping+0xe1 shmexit_myhook+0x29 exit1+0x9eb exit1 So it looks like those routines are sometime called with the mutex already held. David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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