It appears that input/input.c is responsible for the insane modalias length. If I am reading input_print_modalias() correctly, it appends a "k" plus every key code that the keyboard supports, and the Xen Virtual Keyboard supports a lot of keycodes. Why does it do this? Phillip Susi writes: > So I have finally drilled down to the modalias for the Xen Virtual > Keyboard driver being so long ( over 2KB ) that it causes an -ENOMEM > when trying to add it to the environment for uevents. This causes > coldplug to fail, which causes the script doing coldplug as part of the > debian-installer init to fail, which causes a kernel panic when init > exits, which then for reasons I have yet to understand, causes the Xen > domU to reboot. > > Why is this modalias so huge? Can we pare it down, or or is there > another solution to get uevents working on this device again? Maybe the > environment block size needs to be increased? I don't know.
