Re: Lagging system with latest kernels

2020-01-13 Thread Kamil Paral
On Sun, Jan 12, 2020 at 4:49 PM Hans Ulrich Niedermann wrote: > On Thu, 09 Jan 2020 16:51:36 +0100 > Nicolas Mailhot via devel wrote: > > > Le 2020-01-09 15:02, Stephen John Smoogen a écrit : > > > > > I have seen something like this happen in the past. I think it was > > > around Fedora 18?

Re: Lagging system with latest kernels

2020-01-12 Thread Chris Murphy
When his happens, I see 100% kswapd in top; but no change in swap pagein/pageout at all. In fact, minimal I/O. That lead me to this bug: https://bugzilla.kernel.org/show_bug.cgi?id=110501 And also to this recent kernel work, not yet landed and which may not be related (since there's not much I/O

Re: Lagging system with latest kernels

2020-01-12 Thread Hans Ulrich Niedermann
On Thu, 09 Jan 2020 16:51:36 +0100 Nicolas Mailhot via devel wrote: > Le 2020-01-09 15:02, Stephen John Smoogen a écrit : > > > I have seen something like this happen in the past. I think it was > > around Fedora 18? kernel time frame.. on certain Lenovo T440? if you > > did a dd to a usb key,

Re: Lagging system with latest kernels

2020-01-09 Thread Adam Williamson
On Thu, 2020-01-09 at 13:36 +0100, Jan Grulich wrote: > I did some search again. It looks many other distributions (Ubuntu, Arch, > Manjaro) have this issue as well. Users report this as a regression since > kernel 4.2. Some suggested to disable swap, which makes this problem go away > for

Re: Lagging system with latest kernels

2020-01-09 Thread Fabio Valentini
On Thu, Jan 9, 2020 at 4:52 PM Nicolas Mailhot via devel wrote: > > Le 2020-01-09 15:02, Stephen John Smoogen a écrit : > > > I have seen something like this happen in the past. I think it was > > around Fedora 18? kernel time frame.. on certain Lenovo T440? if you > > did a dd to a usb key,

Re: Lagging system with latest kernels

2020-01-09 Thread Nicolas Mailhot via devel
Le 2020-01-09 15:02, Stephen John Smoogen a écrit : I have seen something like this happen in the past. I think it was around Fedora 18? kernel time frame.. on certain Lenovo T440? if you did a dd to a usb key, keyboard and mouse would be like you pointed out. I get this all the time, with or

Re: Lagging system with latest kernels

2020-01-09 Thread Stephen John Smoogen
On Thu, 9 Jan 2020 at 07:37, Jan Grulich wrote: > > I did some search again. It looks many other distributions (Ubuntu, Arch, > Manjaro) have this issue as well. Users report this as a regression since > kernel 4.2. Some suggested to disable swap, which makes this problem go away > for them. I'm

Re: Lagging system with latest kernels

2020-01-09 Thread Jan Grulich
I did some search again. It looks many other distributions (Ubuntu, Arch, Manjaro) have this issue as well. Users report this as a regression since kernel 4.2. Some suggested to disable swap, which makes this problem go away for them. I'm testing this right now and it seem to make significant

Re: Lagging system with latest kernels

2020-01-09 Thread Artur Iwicki
I recently began having a similar issue - with some programs, whereas previously the system would slow down slightly due to load, now it freezes for like half a second or a full second. This is most prominent when I launch Chromium, but is also visible when I switch to a long-unused tab in

Lagging system with latest kernels

2020-01-09 Thread Jan Grulich
Hi, I don't know if anyone already asked about this, but since I upgraded to Fedora 31, which had newer kernel than Fedora 30 back then, I started experiencing annoying lags of the system. This can be now reproduced even with Fedora 30 as they both have identical kernels. When this happens,