From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Date: Wed, 22 Dec 2010 14:11:52 +0000 Subject: Re: [PATCH] avoid race condition in pick_next_task_fair in Message-Id: <1293027112.2170.140.camel@laptop> List-Id: References: <1277808215.1868.5.camel@laptop> <20101219020313.GJ31750@genesis.frugalware.org> <20101222002248.GP10557@genesis.frugalware.org> <1293006589.2170.41.camel@laptop> <1293007311.11370.172.camel@marge.simson.net> <1293008842.2170.70.camel@laptop> <20101222133154.GS10557@genesis.frugalware.org> <1293026422.2170.136.camel@laptop> In-Reply-To: <1293026422.2170.136.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Miklos Vajna Cc: Mike Galbraith , shenghui , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@elte.hu, Greg KH On Wed, 2010-12-22 at 15:00 +0100, Peter Zijlstra wrote: > On Wed, 2010-12-22 at 14:31 +0100, Miklos Vajna wrote: > > > > http://frugalware.org/~vmiklos/files/systemd.img > > > > Here is how I started it: > > > > qemu-kvm -vnc :0 -m 1G -hda systemd.img > > awesome, thanks! > > I started it with something like: > qemu -kernel foo-build/arch/x86/boot/bzImage -append "root=/dev/sda1 > debug sched_debug ignore_loglevel sysrq_always_enabled console=ttyS0" > -hda systemd.img -serial stdio -m 1G > > Where foo-build/ contains a kernel build using your .config. > > I'll have a poke at it.. Hrm,. its not really wanting to start properly.. --- EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) VFS: Mounted root (ext4 filesystem) readonly on device 8:1. Freeing unused kernel memory: 520k freed EXT4-fs (sda1): re-mounted. Opts: (null) md: stopping all md devices. Restarting system. machine restart --- Does it _require_ initrd like muck? Or are there some modules that need to get built-in in order for the thing to boot? This is an utter lack of error reporting here, no idea what's wrong.