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<H1>[Mageia-dev] dropping /proc/bus/sub (Re: [changelog] [RPM] cauldron core/release systemd-189-2.mga3)</H1>
<B>Pascal Terjan</B>
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TITLE="[Mageia-dev] dropping /proc/bus/sub (Re: [changelog] [RPM] cauldron core/release systemd-189-2.mga3)">pterjan at gmail.com
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<I>Wed Aug 29 16:13:17 CEST 2012</I>
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<PRE>On Wed, Aug 29, 2012 at 3:06 PM, Thierry Vignaud
<<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">thierry.vignaud at gmail.com</A>> wrote:
><i> On 29 August 2012 15:46, Colin Guthrie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">mageia at colin.guthr.ie</A>> wrote:
</I>>>><i> Is there any migration to do in drakx and ldetect because of this?
</I>>><i>
</I>>><i> Oh yeah I meant to send a message to the list about this.
</I>>><i>
</I>>><i> Yeah because we're now on kernel 3.5 we can no longer do certain things
</I>>><i> relating to this mount point.
</I>>><i>
</I>>><i> IIRC some ldetect stuff used it and some of the 3G and/or
</I>>><i> printer/scanner stuff might also depend on it and need to be migrated
</I>>><i> too. I don't know that code very well, but I know some folks complained
</I>>><i> when we stopped mounting it by default, so I've no doubt that it's use
</I>>><i> is lurking somewhere!
</I>>><i>
</I>>><i> I would guess that in some cases /dev/bus/usb/ might be sufficient for
</I>>><i> what is needed.
</I>><i>
</I>><i> Humm...
</I>><i> I've still around a patch making ldetect using libusb.
</I>><i> Sadly, we're missing some data...
</I>><i> Basically we would miss the kernel driver name binded with each usb device.
</I>><i>
</I>><i> We cannot workaround it since libusb misses with the ability to either
</I>><i> query the sysfs device path or to got the Port number
</I>><i> ("Port" in /proc/bus/usb/devices).
</I>><i> (I miss the Port number in order to compute the
</I>><i> /sys/bus/devices/usb/foobar path)
</I>><i>
</I>><i> W/o that I cannot retrieve the modalias which would help me to get the kernel
</I>><i> driver name.
</I>><i>
</I>><i> I guess I'll have to resurect that work and try harder to find some
</I>><i> workaround...
</I>
Why not using sysfs for everything directly?
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