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SubjectRe: [Bug 14537] New: missing compat_ioctl on x86_64
On Wed, 04 Nov 2009 16:41:34 +0100 Andreas Schwab wrote:

> Andi Kleen <andi@firstfloor.org> writes:
>
> > Thomas Gleixner <tglx@linutronix.de> writes:
> >
> >>> - with gnome-terminal:
> >>> ioctl32(gnome-terminal:1755): Unknown cmd fd(19) cmd(0000530b){t:'S';sz:0}
> >>> arg(48111345) on /dev/pts/0
> >>> ioctl32(gnome-terminal:1755): Unknown cmd fd(19) cmd(0000530b){t:'S';sz:0}
> >>> arg(4811134a) on /dev/pts/0
> >>> ioctl32(gnome-terminal:1755): Unknown cmd fd(19) cmd(0000530b){t:'S';sz:0}
> >>> arg(48111351) on /dev/pts/0
> >>
> >> That looks more like an application problem. 'S' is SNDRV_SEQ_IOCTL
> >> which has no ioctl nr 0xb. Also I have no idea why a sound sequencer
> >> ioctl should work on /dev/pts/0 :)
> >
> > ioctl numbers are not always unique (I haven't checked if this is the
> > case here). But it might be that it's some other ioctl actually.
>
> 'S' is also used for streams ioctls, 0x530b is I_FIND.

Is that last 'S' in the kernel source tree?
If so, I'll have to find/add it to Documentation/ioctl/ioctl-number.txt,
which I sent an update patch for about 2 weeks ago. For 'S', it now lists:

'S' all linux/cdrom.h conflict!
'S' 80-81 scsi/scsi_ioctl.h conflict!
'S' 82-FF scsi/scsi.h conflict!
+'S' 00-7F sound/asequencer.h conflict!


---
~Randy


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