About needing to run "udevadm trigger" to get bluetooth adapter detected at boot

About needing to run "udevadm trigger" to get bluetooth adapter detected at boot

[Pacho Ramos]

Hello

I would like to know why do we need to run things like:
udevadm trigger --subsystem-match=bluetooth --action=add

or even simpler:
udevadm trigger

Manually or using a "bluetooth" init.d script to simply run that or,
otherwise, bluetooth adapter is not detected. Reading OpenSuSE Changelog
in their bluez package seems that this is caused because dbus needs to
be running to get it detected. In that case, I would like to know why
only bluez looks to be affected by this problem and, also, know if there
is another way to workaround (or fix) this issue than needing to add a
bluez init.d script to simply run this

Thanks a lot

Re: About needing to run "udevadm trigger" to get bluetooth adapter detected at boot

[Pacho Ramos]

El mié, 04-01-2012 a las 22:59 +0100, Pacho Ramos escribió:
> Hello
> 
> I would like to know why do we need to run things like:
> udevadm trigger --subsystem-match=bluetooth --action=add
> 
> or even simpler:
> udevadm trigger
> 
> Manually or using a "bluetooth" init.d script to simply run that or,
> otherwise, bluetooth adapter is not detected. Reading OpenSuSE Changelog
> in their bluez package seems that this is caused because dbus needs to
> be running to get it detected. In that case, I would like to know why
> only bluez looks to be affected by this problem and, also, know if there
> is another way to workaround (or fix) this issue than needing to add a
> bluez init.d script to simply run this
> 
> Thanks a lot
> 
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Looks like, on Gentoo, we have an init.d script that runs:
udevadm trigger --type=failed -v

after dbus is running, but looks like running udevadm trigger with
"--type=failed" option won't start bluetoothd... will investigate it a
bit more, sorry for the noise :S