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VC in sysfs

DISCUSSION Jon Smirl 2 participants 3 messages Dec 28, 2003 – Dec 30, 2003

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Jon Smirl

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#0 lore raw

I tried the patch from this list for making VC's appear in sysfs/udev11. Something doesn't work right with that patch. About one in three times when I boot my display locks. I think I see a flash of an OOPs printing before it happens. It is definitely timing related because two out of three times I boot ok.

==Jon Smirl
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#1 lore raw

This looks suspicious too:

root 20419 0.0 0.0 2176 1000 ? S< 15:53 0:00 /bin/sh
/sbin/hotplug vc
root 20425 0.0 0.0 228 100 ? S< 15:53 0:00
/etc/hotplug.d/default/udev.hotplug vc

Why are the VC jobs stuck and not finishing up?

==Jon Smirl
[email protected]

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#2 lore raw
In reply to Jon Smirl
Quoted 8 lines · Jon Smirl

This looks suspicious too:

root 20419 0.0 0.0 2176 1000 ? S< 15:53 0:00 /bin/sh
/sbin/hotplug vc
root 20425 0.0 0.0 228 100 ? S< 15:53 0:00
/etc/hotplug.d/default/udev.hotplug vc

Why are the VC jobs stuck and not finishing up?

I don't know, they shouldn't be. Can you do a SysRq-T and see where those tasks are hung at?

Andrew Morton is haveing some very strange oopses with the vc sysfs patch, so you might want to stay away from it for now until it gets resolved properly.

thanks,

greg k-h

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