- The computer still replies to *ping*. - The *journal* shows no errors, but a few warnings . - The *mouse* doesn't freeze. On Wed, 31 Mar 2021 at 10:09, Christian König wrote: > Can you access the system over the network and see if there is anything in > the system log? > > It sounds like the display stack has crashed, but when the sound keeps > playing the system is most likely still responsive over network. > > Thanks, > Christian. > > Am 31.03.21 um 10:05 schrieb Alberto Salvia Novella: > > What happens is this simple: after a few minutes, about 6 or so, the > entire content of the screen stays still. In some minor situations only the > applications panel of KDE Plasma. > > If music is playing it continues playing, so only graphics are hung. Yet > in most cases the power button won't shut down the computer, as it usually > does. > > At least this is the case using kwin on x11, and not on wayland. It only > happens on "radeon" and not on Intel or "radeonhd". > > On Wed, 31 Mar 2021 at 09:48, Christian König > wrote: > >> Correct, but a TV is intended for videos only. That's why it implements >> only the lower HDMI standard. >> >> Interlaced transmits only halve the lines with each frame, so a 60Hz mode >> effectively either becomes a 30Hz mode, halving the vertical resolution or >> adaptive motion compensated which the know visual artifacts. Depending on >> what the deinterlacing setting on your TV is. >> >> You could just add a progressive 1920x540@60 or 1920x1080@30 mode >> manually and would have the same effect with probably better quality. See >> https://de.wikipedia.org/wiki/Deinterlacing >> >> for reference. >> >> If you can give us some more information what is happening when the >> system freeze we could try to narrow this down, but we can't spend much >> time on a very specific use case in a driver which is in maintenance mode. >> >> Regards, >> Christian. >> >> Am 31.03.21 um 09:21 schrieb Alberto Salvia Novella: >> >> 24fps is intended for video only. Anything interactive at 24fps, as just >> moving the mouse around, is extremely choppy. >> >> No way anyone would prefer that over an interlaced resolution or a lower >> resolution. That is, by far, the worst option. >> >> Just try it on your screen, set it to 24Hz or alike, and tell me your >> experience. You can't even tell where the mouse is going to go. >> >> On Wed, 31 Mar 2021 at 08:44, Christian König >> wrote: >> >>> Hi Alberto, >>> >>> well a frame rate of 24Hz is perfectly reasonable for a TV and desktop >>> usage. >>> >>> This is probably caused by the TVs limited HDMI bandwidth and a refresh >>> rate of 30/25 Hz for the interlaced mode isn't much better either. >>> >>> Regards, >>> Christian. >>> >>> Am 30.03.21 um 22:59 schrieb Alberto Salvia Novella: >>> >>> The frame-rate at 24Hz is extremely poor for normal desktop usage. >>> >>> If the highest resolution, aka 1080p, uses that refresh rate then the >>> desktop will default to that frame-rate. >>> >>> Other progressive modes don't exhibit any issue. >>> >>> On Tue, 30 Mar 2021 at 18:26, Christian König >>> wrote: >>> >>>> Hi Alberto, >>>> >>>> I think the driver should only support resolutions that are >>>> *progressive*, but also at least of *50Hz*. >>>> >>>> >>>> Why do you think so?, the 24Hz resolution seems to be the native one of >>>> the display. >>>> >>>> Regards, >>>> Christian. >>>> >>>> Am 30.03.21 um 17:37 schrieb Alberto Salvia Novella: >>>> >>>> This is why I'm using interlaced: >>>> >>>> $ *xrandr* >>>> Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 >>>> DisplayPort-0 disconnected (normal left inverted right x axis y axis) >>>> HDMI-0 connected primary 1920x1080+0+0 (normal left inverted right x >>>> axis y axis) 16mm x 9mm >>>> 1920x*1080i* 60.00*+ 50.00 59.94 >>>> 1920x1080 *24.00* 23.98 >>>> 1280x*720* 60.00 50.00 59.94 >>>> 1024x768 75.03 70.07 60.00 >>>> 832x624 74.55 >>>> 800x600 72.19 75.00 60.32 56.25 >>>> 720x576 50.00 >>>> 720x576i 50.00 >>>> 720x480 60.00 59.94 >>>> 720x480i 60.00 59.94 >>>> 640x480 75.00 72.81 66.67 60.00 59.94 >>>> 720x400 70.08 >>>> DVI-0 disconnected (normal left inverted right x axis y axis) >>>> >>>> I think the driver should only support resolutions that are >>>> *progressive*, but also at least of *50Hz*. >>>> >>>> On Tue, 30 Mar 2021 at 15:41, Christian König < >>>> ckoenig.leichtzumerken@gmail.com> wrote: >>>> >>>>> Mhm, no idea why an interlaced resolution would cause a crash. Maybe >>>>> some miscalculation in the display code. >>>>> >>>>> But apart from that if you just connected your PC to a TV I also >>>>> wouldn't recommend using an interlaced resolution in the first place. >>>>> >>>>> See those resolutions only exists for backward compatibility with >>>>> analog hardware. >>>>> >>>>> I think we would just disable those modes instead of searching for the >>>>> bug. >>>>> >>>>> Regards, >>>>> Christian. >>>>> >>>>> Am 30.03.21 um 11:07 schrieb Alberto Salvia Novella: >>>>> >>>>> I guessed so. >>>>> >>>>> The GPU is a Radeon HD5870, and the screen is an old Telefunken TV >>>>> (TLFK22LEDPVR1). >>>>> >>>>> Since my real display got into repair I used this TV meanwhile, and to >>>>> my surprise it froze the system. >>>>> >>>>> On Tue, 30 Mar 2021 at 10:15, Christian König < >>>>> christian.koenig@amd.com> wrote: >>>>> >>>>>> Hi Alberto, >>>>>> >>>>>> well what hardware do you have? >>>>>> >>>>>> Interlaced resolutions are not used any more on modern hardware, so >>>>>> they >>>>>> are not well tested. >>>>>> >>>>>> Regards, >>>>>> Christian. >>>>>> >>>>>> Am 30.03.21 um 10:04 schrieb Alberto Salvia Novella: >>>>>> > The entire desktop hangs after some minutes when using the module >>>>>> > "radeon" with an interlaced resolution. >>>>>> > >>>>>> > Easier to trigger by playing a video on Firefox, at least on >>>>>> kwin_x11. >>>>>> > Wayland didn't exhibit the problem. >>>>>> > >>>>>> > Other display drivers, from different computers I have tried, >>>>>> didn't >>>>>> > allow those interlaced resolutions all together. It seems they know >>>>>> > there will be problems. >>>>>> >>>>>> >>>>> _______________________________________________ >>>>> amd-gfx mailing listamd-gfx@lists.freedesktop.orghttps://lists.freedesktop.org/mailman/listinfo/amd-gfx >>>>> >>>>> >>>>> >>>> >>> >> >