Re: mount -f regression in v2.21's new-mount

Karel Zak <kzak@xxxxxxxxxx> · Fri, 9 Mar 2012 11:53:04 +0100

On Thu, Mar 08, 2012 at 08:25:00PM +0000, Matt Burgess wrote:
> I've attached LIBMOUNT_DEBUG output from the 'mount -a' call that our
> bootscript does.  Note how mount correctly detects that /proc, /sys

 No, it calls mount(2) syscall for /proc. The problem is that the
 detection code expects /proc/self/mountinfo (used on systems with
 mtab -> /proc/mounts symlink), but your system uses regular mtab.

 I'll fix it. Thanks.

    Karel

> 239: libmount:      CXT: [0x184f060]: mount(2) [source=proc, target=/proc, type=proc,  mountflags=0xc0ed000e, mountdata=<none>]
> 239: libmount:      CXT: [0x184f060]: mount(2) failed [errno=16 Device or resource busy]
> mount: proc is already mounted or /proc busy
>        proc is already mounted on /proc

-- 
 Karel Zak  <kzak@xxxxxxxxxx>
 http://karelzak.blogspot.com
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