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Message-ID: <Pine.LNX.4.61.0702221941290.7553@yvahk01.tjqt.qr> Date: Thu, 22 Feb 2007 19:44:47 +0100 (MET) From: Jan Engelhardt <jengelh@...ux01.gwdg.de> To: Michael Tokarev <mjt@....msk.ru> cc: dsaxena@...xity.net, linux-kernel@...r.kernel.org Subject: Re: Modprobe as script breaks initramfs kernel? On Feb 22 2007 14:30, Michael Tokarev wrote: >Deepak Saxena wrote: >> We attempted an experiment in cleaning up some modprobe messages during >> initramfs bootup when the modules directory is missing by moving modprobe >> to modprobe-bin and replacing modprobe with the following simple shell script: >> >> #!/bin/sh >> # Clean up bootup when modules are not present >> >> if [ -e "/lib/modules/'uname -r'/modules.dep" ] ; then >> /sbin/modprobe-bin $* The nitpick guide says: `uname -r` and "$@" instead of $* ;-) >> else >> exit 0 >> fi >[] >> BUG: unable to handle kernel NULL pointer dereference at virtual address 00000014 >[] >> Trace; c0107737 <sys_pipe+17/60> >> Trace; c01030d7 <syscall_call+7/b> > >This is the same issue I reported much earlier with /sbin/hotplug being a script >in initrfamfs. The problem is because pipefs isn't initialized yet at the time >the script gets called, and causes a NULL-pointer deref. Obviously you're using >pipe above. Btw, has this pipefs issue been adressed (by moving pipefs before initramfs stage), or something? Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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