On 12/08/2020 21:22, Pavel Begunkov wrote: > 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. https://lore.kernel.org/io-uring/34eb5e5a-8d37-0cae-be6c-c6ac4d85b5d4@xxxxxxxxx -- Pavel Begunkov
