Date: Fri, 12 Jul 2002 16:51:22 +0100 (BST) From: Jan Grant <Jan.Grant@bristol.ac.uk> To: Don Bowman <don@sandvine.com> Cc: "'freebsd-stable@freebsd.org'" <freebsd-stable@freebsd.org> Subject: RE: linux JRE 1.4 under linux compatibility only runs as root, 's tatf s' is culprit Message-ID: <Pine.GSO.4.44.0207121650180.19306-100000@mail.ilrt.bris.ac.uk> In-Reply-To: <FE045D4D9F7AED4CBFF1B3B813C85337676719@mail.sandvine.com>
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On Wed, 10 Jul 2002, Don Bowman wrote: > Don Bowman wrote: > > > I know several other people have run into the problem where > > the (Linux) JDK or JRE 1.4 will only run as root. > > Tracing this with 'ktrace', the issue is a statfs call, > > which returns 'RESTART'. I don't see that errno listed on > > the man page for statfs, I guess it must come from the > > linux_statfs in compat/linux. > > > > 48927 java CALL statfs(0xbf1f) > > 48927 java RET statfs RESTART > > OK, after having found out that 'ktrace' isn't appropriate > for linux executables (use truss or linux_kdump), I found that > the culprit is actually: > > linux_sched_getscheduler(0xcb18) ERR#1 'Operation not > permitted' > > when root, this is permitted. When non-root, this is not-permitted. > > Suggestions? Is this a problem with the linux emulation? Or is > there a permissions difference between linux & freebsd here? It's a bug in -stable's permissions checking - it's somewhat over-zealous. The fix is reasonably trivial (I think pointers to this have appeared on -java a number of times). -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 RFC822 jan.grant@bris.ac.uk Whenever I see a dog salivate I get an insatiable urge to ring a bell. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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