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ich777

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    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    3 minutes ago, Earendur said:

    I understand that, however I was experiencing the exact same issue on the reported versions of Unraid here - a system hang with no information in syslog and I confirmed it was caused by the iGPU.

    Currently Alder Lake won't work with transcoding and especially not with Plex.

    Alder Lake is simply not supported by this Kernel that Unraid 6.10.2 uses and causes crashing.

     

    Alder Lake is a completely different story.

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    20 minutes ago, Earendur said:

    I'm running alder lake. At the time of the issues I had the most up to date BIOS. Running stock clocks. I tried with and without XMP profiles.

    This thread is not about Alder Lake!!!

     

    Alder Lake is a whole different story and will be fixed somewhat in 6.11.0 beta series, although Plex has to fix it's stuff first since on Jellyfin everything is working with the newer Kernels and only Plex crashes the servers.

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    11 minutes ago, Tristankin said:

    5.x kernel intel drivers have been known to be a bit shit, and also I have heard reports that the dummy plug has been more important since the 5.x releases (somewhere in this thread from memory)

    This was probably me saying that... :)

     

    You also have to keep in mind that the iGPUs where never intended to be run as headless things who are only used transcode... ;)

     

    11 minutes ago, Tristankin said:

    The bit that also is making it all very hard to identify is that there is never anything logged in syslog. Which makes the failure appear as a hardware one, but I am pretty darn sure it is an unlogged gpu fault.

    Would be really interesting what pops up on the screen if the crash happens, but actually no one that has this issue has a screen attached to their systems the whole time so you can take a picture from the error on screen.

     

    I know it's frustrating for you where it isn't working, but it is frustrating for me too because troubleshooting is hard and it can be nearly everything, faulty hardware, hardware incompatibility, a really messed up BIOS (from the manufacturer),...

     

    It is strange since some people actually owning a i3-9100 and have no issues whatsoever on the German subforums who also use this CPU for transcoding...

    • Like 1

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    @Tristankin & @Akilae keep in mind that the iGPU is maybe also used when you import new media to generate the previews at least in Plex I think that this applies.

     

    It seems also suspicious to me that on 6.10.0rc4 everything worked with a HDMI dummy plug.

     

    I suspect anything else than this module, must be some weird bug...

    @Tristankin Have you yet tried to blacklist it and install the Intel-GPU-TOP plugin?

     

    @Akilae do you have your Diagnostics somewhere?

     

    7 minutes ago, Akilae said:

    Greetings from Vienna btw ;).

    Greetings from Lunz am See... :D

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    13 minutes ago, Tristankin said:

    I will also have to do the upgrade again as I am still on 6.8.3. But I couldn't put up with a year of testing till now with constant freezes.

    You only have that option to switch from MACVLAN to IPVLAN on 6.9.0+

     

    14 minutes ago, Tristankin said:

    The reboots are random and would often happen overnight with no transcoding.

    Then I think it's not strictly related to the i915 module.

    • Like 1

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    6 minutes ago, Tristankin said:

    I will check the details about BAR and make sure the bios is up to date. It is currently 8°C and midnight here in Australia and I would need to crawl under the house.

    No issue to me, whenever you got time... Over here in Austria it's not that late and a little warmer... :)

     

    7 minutes ago, Tristankin said:

    I was running on an undervolt on 6.8.3 then reset the bios after i was getting restarts on 6.9.x so I doubt that is the issue. (back to standard voltages)

    Maybe try to increase the voltage a little bit and see if this helps.

     

    11 minutes ago, Tristankin said:

    Corsair Vengeance LPX 16GB (2x8GB) 2400MHz CL16 DDR4 (running at 2100MT/s from memory)

    This is strange the Diagnostics say that it's running at 2400MT/s 

    Configured Memory Speed: 2400 MT/s

     

    • Like 1

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    10 minutes ago, Tristankin said:

    I have been trying to find a solution since 12 March 2021

    May I ask if you are on the latest BIOS version? Have you the possibility in your BIOS to increase the Core/iGPU voltage about +0.05V or maybe +0.1V? This should not harm your system in any way for testing.

    I've seen system iGPU freezes where the motherboard is a little too conservative with the power management from the core voltage itself.

     

    Also what RAM is this that you got installed? I know it's a little odd question but have you yet tried any other RAM from Corsair or something like that?

     

    EDIT: Have you yet tried to switch from MACVLAN to IPVLAN in your Docker settings?

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    11 minutes ago, Tristankin said:

    Sure, I have been reporting this issue for 6 months but now you want to know about my system setup?

    TBH I really don't know anymore which threads are for Alder Lake and which are not.

    I think I wrote with someone about another generation than Alder Lake but couldn't remember if it was this thread because the forums are now flooded with Alder Lake transcoding issues where the main reason why it doesn't work is in my opinion Plex...

     

    11 minutes ago, Tristankin said:

    Using the HDMI dummy plug, what do you want to know about my BIOS?

    BIOS settings for the iGPU, aperture size and so on... There should be a dedicated page for this in the BIOS.

     

    Do you have done any modifications to the go file or something like that? What CPU do you own? Have done any undervolting or tuning from the system in the BIOS too?

     

    EDIT: Have now gone through the Diagnostics, can you try to remove the i915.conf file from your modprobe.d file on 6.10.2 and install the Intel-GPU-TOP plugin.

     

    Is the server randomly crashing or is it just while transcoding? If it's not related to transcoding I would recommend to not do anything from the above recommended.

    [6.9.x - 6.11.x] intel i915 module causing system hangs with no report in syslog (not alder lake)

    in Prereleases

    Posted

    5 hours ago, Tristankin said:

    I have an 9th gen cpu with a system stuck on 6.8.3 because its the last 4.x kernel and therefore the last time the i915 driver was stable.

    That it's not stable is simply not true. On what CPU you are exactly @alturismo has had a i9-9900 if I'm not mistaken and he had no issues transcoding on Emby/Plex.

    What container are you using that gives you issues? Do you have a Display connected to the iGPU, what are your BIOS settings for the iGPU?

     

    5 hours ago, muzo178 said:

    Same here with a J3355 CPU.. Been following this thread for a while

    Isn't this Apollo Lake?

    I only can speak for a Asrock J3710 (Braswell) and also for a Asrock J4125 (Gemini Lake Refresh) which are working perfectly fine in terms of transcoding on Unraid 6.10.2 on Emby/Jellyfin.

    Unraid OS version 6.10.0-rc8 available

    in Prereleases

    Posted

    23 minutes ago, omygoodness said:

    I am using 12400T and maybe T model is different than regular 12400. I have no idea why it works... But everyone on regular 12400/12500/12600 have issues

    Yeah, in it's current state Alder Lake is a mess... Think about the new Alder Lake P/U processors. Sadly enough Alder Lake ≠ Alder Lake...

     

    25 minutes ago, omygoodness said:

    I didn't check 6.10.0 yet. I will give it a try.

    Really curious if it works, hope the best for you... :)

    Unraid OS version 6.10.0-rc8 available

    in Prereleases

    Posted

    22 minutes ago, omygoodness said:

    @ich777 Plex is still working in the background. Maybe logs will tell you more. 

    Looking perfectly fine.

    I think that Intel messed up the drivers really badly lately but it should be fixed in Kernel version 5.18-rc2+ but I haven't tried it yet because I have no hardware on hand to try it.

     

    You boot with UEFI from what I see in your log, is that correct?

     

    Have you yet tried Unraid 6.10.0 stable (TBH I think it would be also the same like on RC8)?

    Unraid OS version 6.10.0-rc8 available

    in Prereleases

    Posted

    On 5/13/2022 at 12:19 PM, Mirano said:

    Try to remove the config file you made and use this plugin: Intel GVT-g

    GVT-g isn‘t even supporten on 12th Gen… Please don‘t recommend this plugin, it won‘t change anything…

     

    On 5/13/2022 at 12:53 PM, omygoodness said:

    Hey, I did quick test on RC8 with GVT-g but I got something like this:

    See answer above.

     

    Intel really messed up their drivers for Alder Lake on the Newer Kernels…

    Can you confirm that transcoding on Alder Lake works fine on RC5 without any crashing?

     

    On 5/13/2022 at 1:48 PM, omygoodness said:

    I can add it to VM but Plex HW transcoding is still using CPU unfortunately

    Please post your Diagnostics after you‘ve uninstalled the GVT-g plugin, installed the Intel GPU Top plugin again, blacklisted your iGPU and did a reboot.

    6.10-rcX Intel GPU Render stuck at 100%

    in Prereleases

    Posted

    @Bouxer please first of all upgrade to RC8 if possible, from your Diagnostics I see that you are still on RC7.

     

    In the system log I also see that your iGPU is in a stale state: 

    May 13 11:19:39 Tower kernel: i915 0000:00:02.0: [drm] GPU HANG: ecode 9:0:00000000
May 13 11:19:39 Tower kernel: i915 0000:00:02.0: [drm] Resetting rcs0 for stopped heartbeat on rcs0

     

    Do you have any undervolting done to your system in the BIOS itself?

    Also please check if you are on the latest BIOS.

    Please maybe try to set the Vcore +50mV in your BIOS if you can do that in your BIOS.

    Unraid OS version 6.10.0-rc8 available

    in Prereleases

    Posted

    17 hours ago, huntastikus said:

    I will watch out for it during the next RC upgrade.

    The build process is automated as @bonienl pointed out but you have to give my server some time to actually build the updated drivers for the new Kernel version.

    Anyways you should get messages that a update is in progress and to wait with the reboot until everything is done, if you get a error message that usually indicates that the plugins aren't built yet.

    The messages should look something like this:

    image.png.de912436f8b74deef2407b2383e2ea0f.png

    In this case there was an error with ZFS, this indicates that the plugins aren't built yet or create a post in the appropriate plugin support thread.

    If there was no error you will get green notifications that the plugin download succeeded.

     

    The build itself takes about 40 minutes (Nvidia, DVB, OpenRGB,...) where it can take about 20 minutes that my server picks up the new Unraid version, so to speak I would recommend to wait at least for about an hour if not better two hours so that everything is built.

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