On 12/08/2020 21:20, Pavel Begunkov wrote: > On 12/08/2020 21:05, Jens Axboe wrote: >> On 8/12/20 11:58 AM, Josef wrote: >>> Hi, >>> >>> I have a weird issue on kernel 5.8.0/5.8.1, SIGINT even SIGKILL >>> doesn't work to kill this process(always state D or D+), literally I >>> have to terminate my VM because even the kernel can't kill the process >>> and no issue on 5.7.12-201, however if IOSQE_IO_LINK is not set, it >>> works >>> >>> I've attached a file to reproduce it >>> or here >>> https://gist.github.com/1Jo1/15cb3c63439d0c08e3589cfa98418b2c >> >> Thanks, I'll take a look at this. It's stuck in uninterruptible >> state, which is why you can't kill it. > > It looks like one of the hangs I've been talking about a few days ago, > an accept is inflight but can't be found by cancel_files() because it's > in a link. BTW, I described it a month ago, there were more details. -- Pavel Begunkov