Re: [REGRESSION][BISECTED] usb: hub: total system freeze after running adb

[Forest]

On Tue, 18 Nov 2025 10:59:29 +0100, Michal Pecio wrote:

>If this is caused by running some demon without much hardware connected
>(besides hubs, I guess), I wonder if it might be useful to run strace on
>that thing to see what it is even doing to trigger this crash.

# strace -p 2862
strace: Process 2862 attached
gettid()                                = 2862
epoll_wait(6,

>How can you know nothing is logged if the machine becomes unresponsive?

By watching the output of `stdbuf -o0 dmesg --follow` when it happens.

Same results in a GUI terminal, a text console, and output redirected to
a `mount -o sync` non-journaled filesystem. I guess it's possible that
something *tried* to log a message, but if so, it didn't get logged.