On Wed, Aug 22, 2012 at 12:20 PM, Jessica Allison <jessica.allison.2012@xxxxxxxxxxx> wrote: > > >> Date: Wed, 22 Aug 2012 11:24:11 -0400 >> Subject: Re: Working rootfs to load host file system from RAM >> From: c.dall@xxxxxxxxxxxxxxxxxxxxxx >> To: jessica.allison.2012@xxxxxxxxxxx >> CC: kvmarm@xxxxxxxxxxxxxxxxxxxxx >> >> On Wed, Aug 22, 2012 at 11:10 AM, Jessica Allison >> <jessica.allison.2012@xxxxxxxxxxx> wrote: >> > Has anyone got a working rootfs that I can boot from directly on the ARM >> > Fast Model simulator? I'm not talking about one for the guest but one >> > for >> > the host. >> > >> > I can properly boot the system in the simulator from NFS, but when I try >> > to >> > build an initramfs from my NFS filesystem and attach that to the >> > simulator >> > with --initrd xxx then the kernel seems to hang after having extracted >> > the >> > initramfs and then freed the memory - it stops doing anything after >> > saying >> > "Freeing init memory". >> > >> > I have created the initramfs by just doing a >> > >> > find ./ | cpio -o -H newc | gzip > ./initrd.cpio.gz >> > >> > in the directory which is my NFS filesystem. Isn't that sufficient? >> > >> > Btw I have also tried to build the initramfs into the kernel by >> > configuring >> > CONFIG_INITRAMFS_SOURCE=xxx - however, then what happened is that when >> > the >> > system booted it only said "error uncompressing kernel" right at the >> > start. >> > >> For your host system you should be fine with NFS. >> >> For the guest you need something really simple if it's not going to be >> too big, try with this one: >> http://www.cs.columbia.edu/~cdall/initrd.img > > > What format is this initramfs and how can I modify it? It doesn't seem to be > a cpio.gz? > it most certainly is. -Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
