On Mon, Mar 11, 2024 at 12:25:52PM +0000, Stuart Henderson wrote: Hello Stuart,
>> On current, with packages upto date as of Saturday, I get a consistent >> SIGILL with Google Meet and the 3 Chromium browsers I'm aware of >> (Chromium, Iridium, Ungoogled-Chromium). It seems like it might be >> something to do with webcam/video processing in these browsers, but I'm >> far from sure. >> >> To replicate here's what I do: >> >> 1. Open a new private window (this probably isn't important but force of >> habit, but does mean a somewhat more consistent setup). >> >> 2. Go to meet.google.com and sign in. >> >> 3. Start a new meeting, and enable both microphone and webcam. As soon >> as the main "you should be able to see everyone else screen" is about to >> start, I get SIGILL. ... > Please ktrace and kdump | grep ILL, it should show the type of SIGILL. If > you're on Intel 11th gen or newer there's a good chance it will be > IBT-related. Stuart pointed out off-list that `ktrace -i` is needed. With that I get: 69377 chrome PSIG SIGILL SIG_DFL code=ILL_BTCFI addr=0x67cb1d220 trapno=21 I'm not sure if/how to get a backtrace out of any of the Chrome variants... Laurie
