Remarks on commit related to fuse support

[Logan Rathbone]

David Zeuthen wrote:
> On Mon, 2006-10-23 at 17:20 -0400, Logan Rathbone wrote:
>   
>> [logan at localhost filesystems]$ cat /proc/mounts
>> rootfs / rootfs rw 0 0
>> /dev/root / xfs rw,noatime 0 0
>> none /proc proc rw 0 0
>> none /sys sysfs rw 0 0
>> none /dev tmpfs rw 0 0
>> none /dev/pts devpts rw 0 0
>> none /dev/shm tmpfs rw 0 0
>> none /dev/shm tmpfs rw 0 0
>> /dev/hdb1 /shared ext3 rw,nosuid,nodev,noatime,data=ordered 0 0
>>
>> [logan at localhost filesystems]$ ls -l /dev/root
>> ls: /dev/root: No such file or directory
>>
>> [logan at localhost filesystems]$ ls -l /dev/hda2
>> brw-r-----  1 root disk 3, 2 Oct 23 16:10 /dev/hda2
>>
>> So alas, I have no /dev/root -- could this be a udev configuration 
>> issue?  Although I do have:
>>
>> KERNEL=="root",                 GROUP="disk", MODE="0640"
>>
>> in my udev rules.
>>     
>
> That won't work as the kernel don't create block devices with the name
> 'root'. It will also fail miserably if just one driver creates a class
> device with that name; doesn't even need to be a block device.
>
> You have to fix your initramfs as that is the one that creates
> the /dev/root symlink which, I suspect, is nuked when you transition
> into real user space. Some distributions get around this with
> essentially
>
>  mount --move /dev /sysroot/dev
>
> before transitioning into real user space. YMMV though. 
>
> Bottom line is that you need /dev/root (or whatever comes before "/" and
> isn't "rootfs" in /proc/mounts) to exist as it is referenced
> in /proc/mounts. You could also just change your initramfs to not
> use /dev/root but instead use the right device file
OK, it is working fine now.  I didn't have a /dev/root symlink because I 
wasn't properly booting from an initrd image with that particular 
kernel.  Now that I've made one and am booting from it, the node is 
being created and all is well.

I realise that this isn't a "support forum," but you guys were very 
helpful, and I thank you for that.

Cheers,
--Logan