Had two Debian stable (as of 2009-05-28) servers suddenly broken, when /dev/null became unwritable. It appeared that when I restart udev it sometimes (randomly) changes /dev/null permissions sometimes making it unwritable. Server configuration is pretty standard and no udev rules are changed. Does anyone know what kind of a bug this can be?
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I've had this many times, and often it was because the static files were bad.
You might want to try:
ls -l /dev/.static/dev/null
To see what the boot-time permissions will be, and:
chmod a+rw /dev/.static/dev/null
To set them
LapTop006
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I found this bug on Debian's website, which was merged with this one. However, they do seem to be older than the issue you've just found.
Also, from the Debian wiki on udev, you may be able to look at / fix the init scripts for it.
From a related discussion on Ubuntu, it appears it's been fixed at least there.
Not sure if those'll help/fix you problem, but maybe they're in the right direction :)
warren
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Do any of the issues here pertain to your situation?
LapTop006
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Matt Simmons
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I have read this thread. And yes it was similar. But this thread does not resolve anything and I am afraid of next breakdown. – Kazimieras Aliulis May 28 '09 at 19:58