[Bug 112084] New: VGA external monitor not working after update to 5.3.x linux

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112084

            Bug ID: 112084
           Summary: VGA external monitor not working after update to 5.3.x
                    linux
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: not set
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: akijo97 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 145788
  --> https://bugs.freedesktop.org/attachment.cgi?id=145788&action=edit
journalctl -b (boot log,  drm.debug=0x1e log_buf_len=1)

OS: Arch linux
kernel: 5.3.7

After update to 5.3.x kernel external monitor on VGA port not working


[drm:hsw_fdi_link_train [i915]] *ERROR* FDI link training failed!
[drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo
underrun on pch transcoder A
[drm:cpt_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun


https://bbs.archlinux.org/viewtopic.php?id=249764

Arch linux thread

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