Date: Fri, 16 Sep 2005 17:46:53 +0300 From: Peter Pentchev <roam@ringlet.net> To: Daniel O'Connor <doconnor@gsoft.com.au> Cc: Daniel Eischen <deischen@freebsd.org>, freebsd-hackers@freebsd.org, Wouter van Rooij <aentgood@gmail.com> Subject: Re: ELF binary type "0" not known. Message-ID: <20050916144653.GG2813@straylight.m.ringlet.net> In-Reply-To: <200509162357.22204.doconnor@gsoft.com.au> References: <Pine.GSO.4.43.0509161008460.17155-100000@sea.ntplx.net> <200509162357.22204.doconnor@gsoft.com.au>
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--+sHJum3is6Tsg7/J Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 16, 2005 at 11:57:21PM +0930, Daniel O'Connor wrote: > On Friday 16 September 2005 23:42, Daniel Eischen wrote: > > > I'd be *very* suprised.. > > > I expect he just downloaded an RPM from somewhere.. > > > > It's probably just not having linux.ko/linprocfs.ko loaded. > > > > $ kldstat > > Id Refs Address Size Name > > 1 1 0xc0400000 498518 kernel > > $ /usr/compat/linux/bin/ls > > ELF binary type "0" not known. > > > > $ sudo kldload linux.ko > > $ kldstat > > Id Refs Address Size Name > > 1 5 0xc0400000 498518 kernel > > 2 1 0xc2a1a000 16000 linux.ko > > $ /usr/compat/linux/bin/ls /bin > > basename chgrp cp echo fgrep ls mv rm setserial s= tty=20 > > true bash chmod date egrep grep mkdir nice rmdir sh = =20 > > sync uname bash2 chown dd false ln mknod pwd rpm s= leep > > touch >=20 > Wow that's weird.. > I wonder why that happens? What is weird? The fact that if linux.ko is not loaded, the kernel does not know what to do with an unknown ELF binary type? :) What I find weird is the fact that as soon as linux.ko is loaded, the kernel "learns" to treat type 0 binaries as type 3; but this is probably because Daniel Eischen has at some earlier time set the kern.fallback_elf_brand sysctl to 3. G'luck, Peter --=20 Peter Pentchev roam@ringlet.net roam@cnsys.bg roam@FreeBSD.org PGP key: http://people.FreeBSD.org/~roam/roam.key.asc Key fingerprint FDBA FD79 C26F 3C51 C95E DF9E ED18 B68D 1619 4553 This sentence is false. --+sHJum3is6Tsg7/J Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFDKtrd7Ri2jRYZRVMRAsQrAJ9jtEEiPG7MwKGEyCkgQnP0JyPWFACeNsiC ajxDf1NeSTlMapnV5Wf76HM= =v7jD -----END PGP SIGNATURE----- --+sHJum3is6Tsg7/J--
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