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docs:udevfaq
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docs:udevfaq [2005-12-28 17:35] PatrykZawadzki |
docs:udevfaq [2010-06-15 21:38] (current) Mateusz Korniak |
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| + | /* page was renamed from UdevFAQ */ | ||
| /* pragma: section-numbers on */ | /* pragma: section-numbers on */ | ||
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| ===== Which kernel version is recommended for proper work of udev/udev-hotplug? ===== | ===== Which kernel version is recommended for proper work of udev/udev-hotplug? ===== | ||
| - | //Minimum recommended version is 2.6.12.x// (udev hotplug won't work with the older) | + | //Minimum recommended version is 2.6.12.x// (''udev'' ''hotplug'' won't work with the older) |
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| ===== I've got a problem that is not covered here. How do I diagnose it? ===== | ===== I've got a problem that is not covered here. How do I diagnose it? ===== | ||
| - | Set ''udev_log'' to ''info'' in ///etc/udev/udev.conf// to improve verbosity of ''udev'', use ''udevmonitor'' (see ''man udevmonitor'') to get even more infomation, check the //linux-hotplug// list's archive at [[http://marc.theaimsgroup.com/?l=linux-hotplug-devel|http://marc.theaimsgroup.com/?l=linux-hotplug-devel]]. | + | Try the following: |
| + | |||
| + | - set ''udev_log'' to ''info'' in ///etc/udev/udev.conf// to improve verbosity of ''udev''; | ||
| + | - use ''udevmonitor'' (see ''man udevmonitor'') to get even more infomation from older udev; | ||
| + | - use ''udevadm monitor'' (see 'man udevadm') to get even more infomation (udev-151) ; | ||
| + | - check the //linux-hotplug// list's archive at [[http://marc.theaimsgroup.com/?l=linux-hotplug-devel|http://marc.theaimsgroup.com/?l=linux-hotplug-devel]]. | ||
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| + | |||
| + | ===== How can I increase udev logs verbosity ===== | ||
| + | Try (udev-154): | ||
| + | |||
| + | <file>udevadm control --log-priority=debug | ||
| + | </file> | ||
| + | And check results in '/var/log/daemon' | ||
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| + | |||
| + | |||
| + | ===== How to test rule I have just written? ===== | ||
| + | Reload rules: | ||
| + | |||
| + | <file>udevadm control --reload-rules # (udev-151) | ||
| + | </file> | ||
| + | Trigger event (replug device) or trigger all events: | ||
| + | |||
| + | <file>udevadm trigger --verbose | ||
| + | </file> | ||
| If still unsure, ask your question on PLD [[:MailingLists|mailing lists]]. | If still unsure, ask your question on PLD [[:MailingLists|mailing lists]]. | ||
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| + | [[:CategoryUpdateNeeded|CategoryUpdateNeeded]] | ||
docs/udevfaq.1135787738.txt.gz ยท Last modified: 2005-12-28 17:35 by PatrykZawadzki
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