Messages in this thread | | | Date | Tue, 18 Feb 2020 08:22:43 -0600 | From | Bjorn Helgaas <> | Subject | Re: Stack trace when removing Thunderbolt devices while kernel shutting down |
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On Tue, Feb 18, 2020 at 02:18:40PM +0000, Nicholas Johnson wrote: > Hi Bjorn, > > If I surprise remove Thunderbolt 3 devices just as the kernel is > shutting down, I get stack dumps, when those devices would not normally > cause stack dumps if the kernel were not shutting down. > > Because the kernel is shutting down, it makes it difficult to capture > the logs without a serial console. > > In your mind, is this cause for concern? There is no harm caused and the > kernel still shuts down. The main thing I am worried about is if this > means that the locking around the subsystem is not strict enough. > > If you think this is worth looking into, I will try to learn about how > the native interrupts are handled and try to investigate, and I will > also try to get my serial console working again to capture the details.
Yes, I think this is worth looking into.
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