On Tue, Jun 20, 2023 at 04:47:10PM +0200, Linux regression tracking (Thorsten Leemhuis) wrote: > On 24.05.23 15:07, Stefan Wahren wrote: > > > > Am 23.05.23 um 21:44 schrieb Sergey Organov: > >> "Linux regression tracking (Thorsten Leemhuis)" > >> <regressions@xxxxxxxxxxxxx> writes: > >> > >> Solving this would need to identify the cause of interrupts being > >> disabled for prolonged times, and nobody volunteered to investigate this > >> further. One suspect, the Linux serial console, has been likely excluded > >> already though, as not actually being in use for printk() output. > >> > > > > I don't think that we can exclude the serial console as a whole, i never > > made such a observation. But at least we can exclude kernel logging on > > the debug UART. > > Stefan, just wondering: was this ever addressed upstream? I assume it's > not, just wanted to be sure. > > I'm a bit unsure what to do with this and consider asking Greg for > advice, as he applied the patch. On one hand it's *IMHO* clearly a > regression (but for the record, some people involved in the discussion > claim it's not). OTOH the culprit was applied more than a year ago now, > so reverting it might cause more trouble than it's worth at this point, > as that could lead to regressions for other users. I'll be glad to revert this, but for some reason I thought that someone was working on a "real fix" here. Stefan, is that not the case? thanks, greg k-h