[ANNOUNCE] udev 113 release

[ANNOUNCE] udev 113 release

[Kay Sievers]

Here comes a new udev version. Thanks to all who have contributed to
this release.

The tarball can be found here:
  ftp://ftp.kernel.org/pub/linux/utils/kernel/hotplug/

The development repository can be found here:
  http://www.kernel.org/git/?p=linux/hotplug/udev.git;a=summary

The ChangeLog can be found here:
  http://www.kernel.org/git/?p=linux/hotplug/udev.git;a=blob;hb=HEAD;f=ChangeLog


udev 113
====
Bugfixes.

Final merge of patches/features from the Ubuntu package.


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Re: [ANNOUNCE] udev 113 release

[Andreas Jellinghaus]

> Here comes a new udev version. Thanks to all who have contributed to
> this release.

any incompatible changes in this version or other recent versions?
any new changes we should do to our udev rules?

I remember that debian etch udev doesn't like DRIVER, wants me to switch to
DRIVERS=. And ubuntu EDGY udev doesn't know about SUBSYSTEMS (guess too
old). So I need start using a per distribution/version udev rules file,
or loose the ability to run the latest software on older distributions?

my rule file is available at
https://www.opensc-project.org/openct/browser/trunk/etc/openct.udev

also is there any news about /dev/bus/usb as a /proc/bus/usb replacement?
will I be able to use it with newer kernel and udev?

if not I fear I need to check recent distributions and file bug reports,
as some seem to bind-mount /dev/bus/usb to /proc/bus/usb, with the result
that I don't get events from udev because /proc/bus/usb is not mounted with
an usbfs. - I hope I remember this correctly.

Thanks for your help.

Regards, Andreas


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Re: [ANNOUNCE] udev 113 release

[Dan Nicholson]

On 6/26/07, Andreas Jellinghaus <aj@ciphirelabs.com> wrote:
> > Here comes a new udev version. Thanks to all who have contributed to
> > this release.
>
> any incompatible changes in this version or other recent versions?
> any new changes we should do to our udev rules?
>
> I remember that debian etch udev doesn't like DRIVER, wants me to switch to
> DRIVERS=. And ubuntu EDGY udev doesn't know about SUBSYSTEMS (guess too
> old). So I need start using a per distribution/version udev rules file,
> or loose the ability to run the latest software on older distributions?

I believe you'll want to have per-udev-version files or an sed for key
names in the Makefile. Check the RELEASE-NOTES file in the released
tarballs. It explains when some key names have been deprecated or
removed. But the tipping point is udev-098 for deprecation. You can
check the system's udev version with $(udevinfo --version).

> my rule file is available at
> https://www.opensc-project.org/openct/browser/trunk/etc/openct.udev

It looks like you would have issues with SYSFS, SUBSYSTEM and DRIVER.
Again, the RELEASE-NOTES section for udev-098 should be pretty clear
about how these need to be used in newer releases.

--
Dan

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Re: [ANNOUNCE] udev 113 release

[Kay Sievers]

On 6/26/07, Andreas Jellinghaus <aj@ciphirelabs.com> wrote:
> > Here comes a new udev version. Thanks to all who have contributed to
> > this release.
>
> any incompatible changes in this version or other recent versions?
> any new changes we should do to our udev rules?
>
> I remember that debian etch udev doesn't like DRIVER, wants me to switch to
> DRIVERS=.

Yes, DRIVER= was kind of broken. DRIVERS= should be used. DRIVER=
today matches on the current device only, not on the whole device
chain like DRIVERS=  is doing.

> And ubuntu EDGY udev doesn't know about SUBSYSTEMS (guess too
> old). So I need start using a per distribution/version udev rules file,
> or loose the ability to run the latest software on older distributions?

SUBSYSTEMS= was BUS= in earlier days, BUS= still works, it is just
no longer mentioned in the man page.

> my rule file is available at
> https://www.opensc-project.org/openct/browser/trunk/etc/openct.udev
>
> also is there any news about /dev/bus/usb as a /proc/bus/usb replacement?
> will I be able to use it with newer kernel and udev?

Modern distros can not use proc usbfs, because it does not support ACL's.

> if not I fear I need to check recent distributions and file bug reports,
> as some seem to bind-mount /dev/bus/usb to /proc/bus/usb.

That sounds crazy and useless. Libusb handles both just fine.

>  with the result
> that I don't get events from udev because /proc/bus/usb is not mounted with
> an usbfs.

Udev events do not care about usbfs.

>  - I hope I remember this correctly.

Some distros do not mount /proc/bus/usb, and there is no usbfs at all,
only /dev/bus/usb/

Kay

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