Re: udevtest conflicts with reality

[Andrey Borzenkov <arvidjaar@mail.ru>]

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On Wednesday 19 April 2006 02:32, Brent Casavant wrote:
> Hello,
>
> I'm attempting to get the /dev/extint0 device, corresponding to SGI's
> external interrupt driver to be created.  (FWIW: This driver was
> open-sourced, and submitted to lkml, but never accepted.  SGI just
> ships it and its source as part of its system software).  This is
> with a 2.6.16 kernel, and udev-085.
>
> When using the default rules, udevtest indicates things "should work",
> as follows:
>
> --- cut here ---
> # udevtest /class/extint/extint0
> main: looking at device '/class/extint/extint0' from subsystem 'extint'
> udev_rules_get_name: no node name set, will use kernel name 'extint0'
> create_node: creating device node '/dev/extint0', major = '253', minor > '0', mode = '0660', uid = '0', gid = '0' main: run:
> 'socket:/org/freedesktop/hal/udev_event'
> main: run: 'socket:/org/kernel/udev/monitor'
> --- cut here ---
>
> However the /dev/extint0 node is not created when the module is loaded.
>
> I've tried my own rules files and such, which seem to kick in as expected,
> but still no nodes are created.  Using a RUN="/bin/mknod /dev/foo c %M %m"
> worked in that it ran, however the major and minor number came out as
> zeroes.
>

which means device number is not defined.

> udevmonitor --env yielded the following:
[...]
>
> UEVENT[1145397289.786662] add@/class/extint/extint0
> ACTION­d
> DEVPATH=/class/extint/extint0
> SUBSYSTEM=extint
> SEQNUM\x1427
>

No device here either

[...]
>
> ioc4_extint is suffering the same problem, and it should be noted that
> the load of ioc4_extint triggers the creation of the extint device
> (i.e. extint provides an abstracted interface to the lower-level
> ioc4_extint device).
>
> Any hints on where to go from here?
>

Does /sys/class/extint/extint0/dev exists and what does it contain?

- -andrey
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