Date: Sun, 26 Jan 1997 04:39:11 -0800 From: David Greenman <dg@root.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: swallace@ece.uci.edu, current@FreeBSD.ORG Subject: Re: exec bug Message-ID: <199701261239.EAA06801@root.com> In-Reply-To: Your message of "Sun, 26 Jan 1997 12:47:07 %2B0100." <199701261147.MAA27929@labinfo.iet.unipi.it>
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>> >I haven't heard anything about the exec but I reported last week >> >when an executable fails to read the image from the media due to a >> >read error. >> > >> >execve() maps the first page to memory and calls exec_aout_imgact() >> >which then accesses this page and fails. The system then gets >> >a page fault while in kernel mode and dies. > >Given this description, would this also occur when trying to run >a program from an nfs-mounted partition which at some point becomes >unavailable ? If not (as I hope!) what is the difference ? In the case of NFS, the read should block indefinately. I'm not sure what will happen if the NFS is mounted "soft", however. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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