[arch-releng] squash FS error sometimes on ISOs

[Dieter Plaetinck]

On Sun, 02 Aug 2009 14:35:32 -0300
Gerardo Exequiel Pozzi <vmlinuz386 at yahoo.com.ar> wrote:

> Dan McGee wrote:
> > On a slightly related note, take a look at the dmesg output on sigurd-
> > something is acting up a bit:
> >
> > $ dmesg | tail
> > ioctl32(grub:28054): Unknown cmd fd(3) cmd(00001261){t:12;sz:0}
> > arg(00000000) on
> > /home/archiso/install-iso/archlinux-2009.08-alpha-ftp-i686.img
> > ioctl32(mke2fs:28828): Unknown cmd fd(3) cmd(80041272){t:12;sz:4}
> > arg(ff810c40) on
> > /home/archiso/install-iso/archlinux-2009.08-alpha-core-i686.img.part1
> >
> >   
> ioctl32 messages from kernel are triggered when you are running a x86-64
> kernel, and when call an ioclt() from 32 bit user-space app with an
> unsupported command (in other words when no conversion between 32 bit to
> 64 bit ioctl). But only 50 of this messages are showed by the kernel,
> next call just return -EINVAL
> 

So, what does this mean? we call commands that don't exist, isn't that pretty bad?
How does this affect iso building?

Dieter