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BUG: using smp_processor_id() in preemptible [00000000] code
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Anton Gubarkov
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Joined: 13 Mar 2008
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PostPosted: Mon Nov 30, 2020 8:47 pm    Post subject: BUG: using smp_processor_id() in preemptible [00000000] code Reply with quote

Hello, fellows.

recent rt-sources-5.9.1-rt-rt20 spams me with:
BUG: using smp_processor_id() in preemptible [00000000] code: usb-storage/486

What can I do to help fix this?
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cmrd
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Joined: 13 Jul 2014
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PostPosted: Sun Dec 13, 2020 2:54 pm    Post subject: Reply with quote

You should post some more info, however IMHO it's unlikely you'll be able to fix the issue unless you get lucky - most likely you'll have to either wait for it to go away with an update, or use another set of kernel sources.
What CPU and what USB devices are you using?
Does it happen with previous kernel versions?
Does it happen with gentoo-sources?
What's your motivation for using rt-sources over the default gentoo sources - are you using something that relies on realtime?
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