On Thu, Oct 16, 2008 at 12:58:05AM +0200, Mario 'BitKoenig' Holbe wrote:
> Package: linux-image-2.6.26-1-amd64
> Version: 2.6.26-8
>
> Hello,
>
> while testing 64bit kernel under 32bit userland I found some ioctls that
> definitely work on a 32bit kernel and are likely just not correctly
> mapped:
>
> ioctl32(hdparm:7607): Unknown cmd fd(3) cmd(0000031c){t:03;sz:0}
> arg(00000000) on /dev/hda
> HDIO_DRIVE_RESET - hdparm -w /dev/hda
> That's not funny, I cannot reset IDE devices anymore.
>
> ioctl32(conserver:4500): Unknown cmd fd(5) cmd(0000530b){t:'S';sz:0}
> arg(0806b17e) on /dev/ttyS5
> This one is probably safe - I just have no idea, why (and where)
> conserver does CDROM ioctls on a tty - maybe some probing
> thingy.
>
>
> compat_ioctl32: VIDIOC_QUERYCAPioctl32(v4lctl:6890): Unknown cmd fd(5)
> cmd(80585600){t:'V';sz:88} arg(097847b0) on /dev/video0
> compat_ioctl32: VIDIOC_S_EXT_CTRLSioctl32(vlc:8081): Unknown cmd fd(7)
> cmd(c0185648){t:'V';sz:24} arg(f37fe940) on /dev/video0
> compat_ioctl32: VIDIOC_ENUM_FRAMEINTERVALSioctl32(vlc:8081): Unknown cmd
> fd(7) cmd(c034564b){t:'V';sz:52} arg(f37fee90) on /dev/video0
> Those are strange, they seem to be mapped correctly and
> transmitted to video4linux compat_ioctl32 but the V4L1->V4L2
> re-mapping done there seems to be broken...
Does this still occur with recent kernels?
Cheers,
Moritz
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