Re: BLKPG changes pushed

[Curtis Gedak]

Curtis Gedak wrote:
> Jim Meyering wrote:
> >     $ sudo ./parted -s $dev u B mkpart F13-root $s2 $e2
> >     Warning: WARNING: the kernel failed to re-read the partition 
> > table on
> >     /dev/sda (Device or resource busy).  As a result, it may not 
> > reflect all
> >     of your changes until after reboot.
> >   
>
> I have been able to confirm the above error using the latest parted 
> from the git repository (April 24, 2010).  My testing used the Ubuntu 
> 10.04 Beta2 distribution, a GPT partition table, and an existing 
> partition already mounted.  When I try to create a new partition I 
> receive the warning message.
>
> Next I took a plain vanilla copy of parted-2.2 and applied only the 
> two patches from this mailing list item:
> http://lists.alioth.debian.org/pipermail/parted-devel/2010-April/003552.html 
>
>
> My testing with plain vanilla parted-2.2 plus the two patches worked 
> 100% without any warning being displayed.
>
> This leads me to believe that there is some other change in the git 
> repository since parted-2.2 was released that is causing the warning 
> message to be displayed.

I have looked through the patches since parted-2.2 was released.  The 
patch that causes the warning message to be displayed is:
libparted: _disk_sync_part_table: always return 0 upon failure
http://git.debian.org/?p=parted/parted.git;a=commit;h=81ed7fc413375a8b8ed5bd792e7385dacaf8a3e1