• \[solved\] ERROR PCH transcoder A FIFO underrun


    Hi all!!

    I’ve working with my laptop most than a year without problems, but this morning when I switched it on, it doesn’t boot anymore. It get stuck in this step, I made a photo with my phone:

    [img:358h66ll]http://www.pasteall.org/pic/show.php?id=78195[/img:358h66ll]

    That message appear just for a moment and then goes to black screen, after a few seconds appears again and goes black again. An infinity loop. I left that like half an hour to see if it did something else, but nothing happened.

    I really think that message has been there always, but can’t be sure now. The thing is that is the only that I can see now.

    Using a live cd I’ve got my pacman log from yesterday, but I can’t see anything weird:

    [2014-10-06 08:57] [PACMAN] Running 'pacman -Syu'  
    [2014-10-06 08:57] [PACMAN] synchronizing package lists  
    [2014-10-06 08:57] [PACMAN] starting full system upgrade  
    [2014-10-06 08:58] [PACMAN] upgraded muffin (2.2.6-1 -\> 2.2.6-2)  
    [2014-10-06 08:58] [PACMAN] Running 'pacman --color auto -Sy'  
    [2014-10-06 08:58] [PACMAN] synchronizing package lists  
    [2014-10-06 11:53] [PACMAN] Running 'pacman --color auto -U /tmp/yaourt-tmp-agustin/PKGDEST.cXV/wacom-udev-20140121-1-any.pkg.tar.xz'  
    [2014-10-06 11:54] [PACMAN] installed wacom-udev (20140121-1)  
    [2014-10-06 12:12] [PACMAN] Running 'pacman --color auto -U /tmp/yaourt-tmp-agustin/PKGDEST.Pwc/xf86-input-wacom-git-0.26.0+28-1-x86\_64.pkg.tar.xz'  
    [2014-10-06 12:12] [PACMAN] removed xf86-input-wacom (0.26.0-1)  
    [2014-10-06 12:12] [PACMAN] installed xf86-input-wacom-git (0.26.0+28-1)  
    [2014-10-06 12:14] [PACMAN] Running 'pacman -R xf86-input-wacom-git wacom-utility-git wacom-udev kcm-wacomtablet input-wacom-dkms expresskeys-git libwacom'  
    [2014-10-06 12:14] [PACMAN] Running 'pacman -R xf86-input-wacom-git wacom-utility-git wacom-udev kcm-wacomtablet input-wacom-dkms expresskeys-git'  
    [2014-10-06 12:14] [PACMAN] removed expresskeys-git (20120130-1)  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] -------- Uninstall Beginning --------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Module: input-wacom  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Version: 0.23.0  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Kernel: 3.16.1-1-ARCH (x86\_64)  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] -------------------------------------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Status: Before uninstall, this module version was ACTIVE on this kernel.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] wacom\_dkms.ko:  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Uninstallation  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Deleting from: /usr/lib/modules/3.16.1-1-ARCH/kernel/drivers/input/tablet/  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Original module  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - No original module was found for this module on this kernel.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Use the dkms install command to reinstall any previous module version.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] wacom\_w8001\_dkms.ko:  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Uninstallation  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Deleting from: /usr/lib/modules/3.16.1-1-ARCH/kernel/drivers/input/touchscreen/  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Original module  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - No original module was found for this module on this kernel.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Use the dkms install command to reinstall any previous module version.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] depmod....  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] DKMS: uninstall completed.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] ------------------------------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Deleting module version: 0.23.0  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] completely from the DKMS tree.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] ------------------------------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Done.  
    [2014-10-06 12:14] [PACMAN] removed input-wacom-dkms (0.23.0-1)  
    [2014-10-06 12:14] [PACMAN] removed kcm-wacomtablet (2.0.2-1)  
    [2014-10-06 12:14] [PACMAN] removed wacom-udev (20140121-1)  
    [2014-10-06 12:14] [PACMAN] removed wacom-utility-git (20130909-2)  
    [2014-10-06 12:14] [PACMAN] removed xf86-input-wacom-git (0.26.0+28-1)  
    [2014-10-06 12:14] [PACMAN] Running 'pacman -R xf86-input-wacom-git wacom-utility-git wacom-udev kcm-wacomtablet input-wacom-dkms expresskeys-git'  
    [2014-10-06 12:18] [PACMAN] Running 'pacman -S xf86-input-wacom'  
    [2014-10-06 12:18] [PACMAN] installed xf86-input-wacom (0.26.0-1)  
    [2014-10-06 12:46] [PACMAN] Running 'pacman -Syu'  
    [2014-10-06 12:46] [PACMAN] synchronizing package lists  
    [2014-10-06 12:46] [PACMAN] starting full system upgrade  
    [2014-10-06 12:46] [PACMAN] upgraded bash (4.3.029-1 -\> 4.3.030-1)  
    [2014-10-06 12:46] [PACMAN] Running 'pacman --color auto -Sy'  
    [2014-10-06 12:46] [PACMAN] synchronizing package lists  
    [2014-10-06 16:33] [PACMAN] Running 'pacman -Syu'  
    [2014-10-06 16:33] [PACMAN] synchronizing package lists  
    [2014-10-06 16:33] [PACMAN] starting full system upgrade  
    [2014-10-06 16:33] [PACMAN] upgraded python2-pillow (2.5.3-2 -\> 2.6.0-1)  
    [2014-10-06 16:33] [PACMAN] upgraded python2-qrencode (1.01-5 -\> 1.01-7)  
    [2014-10-06 16:33] [PACMAN] upgraded shotwell (1:0.20.0-1 -\> 1:0.20.1-1)  
    [2014-10-06 16:34] [PACMAN] Running 'pacman --color auto -Sy'  
    [2014-10-06 16:34] [PACMAN] synchronizing package lists  
    [2014-10-06 17:49] [PACMAN] Running 'pacman --color auto -U /tmp/yaourt-tmp-agustin/PKGDEST.1U4/expresskeys-0.4.2-2-x86\_64.pkg.tar.xz'  
    [2014-10-06 17:49] [PACMAN] installed expresskeys (0.4.2-2)  
    [2014-10-06 17:55] [PACMAN] Running 'pacman -R expresskeys'  
    [2014-10-06 17:55] [PACMAN] removed expresskeys (0.4.2-2)
    

    Any other log that you think could be neccesary??

    And…what (and how) can I do from a live cd to try to fix whatever have happened??

    Thanks in advance!!

  • Hi all!!

    I’ve working with my laptop most than a year without problems, but this morning when I switched it on, it doesn’t boot anymore. It get stuck in this step, I made a photo with my phone:

    [img:358h66ll]http://www.pasteall.org/pic/show.php?id=78195[/img:358h66ll]

    That message appear just for a moment and then goes to black screen, after a few seconds appears again and goes black again. An infinity loop. I left that like half an hour to see if it did something else, but nothing happened.

    I really think that message has been there always, but can’t be sure now. The thing is that is the only that I can see now.

    Using a live cd I’ve got my pacman log from yesterday, but I can’t see anything weird:

    [2014-10-06 08:57] [PACMAN] Running 'pacman -Syu'  
    [2014-10-06 08:57] [PACMAN] synchronizing package lists  
    [2014-10-06 08:57] [PACMAN] starting full system upgrade  
    [2014-10-06 08:58] [PACMAN] upgraded muffin (2.2.6-1 -\> 2.2.6-2)  
    [2014-10-06 08:58] [PACMAN] Running 'pacman --color auto -Sy'  
    [2014-10-06 08:58] [PACMAN] synchronizing package lists  
    [2014-10-06 11:53] [PACMAN] Running 'pacman --color auto -U /tmp/yaourt-tmp-agustin/PKGDEST.cXV/wacom-udev-20140121-1-any.pkg.tar.xz'  
    [2014-10-06 11:54] [PACMAN] installed wacom-udev (20140121-1)  
    [2014-10-06 12:12] [PACMAN] Running 'pacman --color auto -U /tmp/yaourt-tmp-agustin/PKGDEST.Pwc/xf86-input-wacom-git-0.26.0+28-1-x86\_64.pkg.tar.xz'  
    [2014-10-06 12:12] [PACMAN] removed xf86-input-wacom (0.26.0-1)  
    [2014-10-06 12:12] [PACMAN] installed xf86-input-wacom-git (0.26.0+28-1)  
    [2014-10-06 12:14] [PACMAN] Running 'pacman -R xf86-input-wacom-git wacom-utility-git wacom-udev kcm-wacomtablet input-wacom-dkms expresskeys-git libwacom'  
    [2014-10-06 12:14] [PACMAN] Running 'pacman -R xf86-input-wacom-git wacom-utility-git wacom-udev kcm-wacomtablet input-wacom-dkms expresskeys-git'  
    [2014-10-06 12:14] [PACMAN] removed expresskeys-git (20120130-1)  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] -------- Uninstall Beginning --------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Module: input-wacom  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Version: 0.23.0  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Kernel: 3.16.1-1-ARCH (x86\_64)  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] -------------------------------------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Status: Before uninstall, this module version was ACTIVE on this kernel.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] wacom\_dkms.ko:  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Uninstallation  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Deleting from: /usr/lib/modules/3.16.1-1-ARCH/kernel/drivers/input/tablet/  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Original module  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - No original module was found for this module on this kernel.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Use the dkms install command to reinstall any previous module version.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] wacom\_w8001\_dkms.ko:  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Uninstallation  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Deleting from: /usr/lib/modules/3.16.1-1-ARCH/kernel/drivers/input/touchscreen/  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Original module  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - No original module was found for this module on this kernel.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] - Use the dkms install command to reinstall any previous module version.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] depmod....  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] DKMS: uninstall completed.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET]   
    [2014-10-06 12:14] [ALPM-SCRIPTLET] ------------------------------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Deleting module version: 0.23.0  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] completely from the DKMS tree.  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] ------------------------------  
    [2014-10-06 12:14] [ALPM-SCRIPTLET] Done.  
    [2014-10-06 12:14] [PACMAN] removed input-wacom-dkms (0.23.0-1)  
    [2014-10-06 12:14] [PACMAN] removed kcm-wacomtablet (2.0.2-1)  
    [2014-10-06 12:14] [PACMAN] removed wacom-udev (20140121-1)  
    [2014-10-06 12:14] [PACMAN] removed wacom-utility-git (20130909-2)  
    [2014-10-06 12:14] [PACMAN] removed xf86-input-wacom-git (0.26.0+28-1)  
    [2014-10-06 12:14] [PACMAN] Running 'pacman -R xf86-input-wacom-git wacom-utility-git wacom-udev kcm-wacomtablet input-wacom-dkms expresskeys-git'  
    [2014-10-06 12:18] [PACMAN] Running 'pacman -S xf86-input-wacom'  
    [2014-10-06 12:18] [PACMAN] installed xf86-input-wacom (0.26.0-1)  
    [2014-10-06 12:46] [PACMAN] Running 'pacman -Syu'  
    [2014-10-06 12:46] [PACMAN] synchronizing package lists  
    [2014-10-06 12:46] [PACMAN] starting full system upgrade  
    [2014-10-06 12:46] [PACMAN] upgraded bash (4.3.029-1 -\> 4.3.030-1)  
    [2014-10-06 12:46] [PACMAN] Running 'pacman --color auto -Sy'  
    [2014-10-06 12:46] [PACMAN] synchronizing package lists  
    [2014-10-06 16:33] [PACMAN] Running 'pacman -Syu'  
    [2014-10-06 16:33] [PACMAN] synchronizing package lists  
    [2014-10-06 16:33] [PACMAN] starting full system upgrade  
    [2014-10-06 16:33] [PACMAN] upgraded python2-pillow (2.5.3-2 -\> 2.6.0-1)  
    [2014-10-06 16:33] [PACMAN] upgraded python2-qrencode (1.01-5 -\> 1.01-7)  
    [2014-10-06 16:33] [PACMAN] upgraded shotwell (1:0.20.0-1 -\> 1:0.20.1-1)  
    [2014-10-06 16:34] [PACMAN] Running 'pacman --color auto -Sy'  
    [2014-10-06 16:34] [PACMAN] synchronizing package lists  
    [2014-10-06 17:49] [PACMAN] Running 'pacman --color auto -U /tmp/yaourt-tmp-agustin/PKGDEST.1U4/expresskeys-0.4.2-2-x86\_64.pkg.tar.xz'  
    [2014-10-06 17:49] [PACMAN] installed expresskeys (0.4.2-2)  
    [2014-10-06 17:55] [PACMAN] Running 'pacman -R expresskeys'  
    [2014-10-06 17:55] [PACMAN] removed expresskeys (0.4.2-2)
    

    Any other log that you think could be neccesary??

    And…what (and how) can I do from a live cd to try to fix whatever have happened??

    Thanks in advance!!

  • By the way, I can’t even open a virtual terminal with CTRL-ALT-Fx, because the screen is updated every few seconds with the black screen or the text mentioned above.

  • Being fast in the blinks, I’ve managed to make a “pacma -Syu” and some important packages were updated, like linux, linux-headers or nvidia. I was sure that was going to work…but no, the system still doesn’t boot.

    Is there any way to reinstall all the important packages of antergos??

  • Hi,

    Are you using the proprietary drivers for Nvidia? If so try switching back to nouveau. Post your xorg log here if you still need help. Thanks :-)

  • Oh my fu… god!!! I’m really embarrased…I broke the system myself. I write some bad configurations for my wacom tablet and the system couldn’t read it. I’ve deleted it and everything is ok.

    By the way, you have been really helpful, because I realized of this seeing the xorg log, so…thank you!!

    PD: but I think the error that I mentioned in the post title is still there.

  • No worries, it happens to the best of us!

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