Public bug reported:

My system randomly hangs and I've spotted following i915 bug in dmesg:
[  154.272665] wlan0: associated
[  154.287455] wlan0: Limiting TX power to 30 (30 - 0) dBm as advertised by 
d0:57:XX:XX:XX:XX
[  285.756393] input: MX Anywhere 2S Keyboard as 
/devices/virtual/misc/uhid/0005:046D:B01A.0005/input/input36
[  285.756516] input: MX Anywhere 2S Mouse as 
/devices/virtual/misc/uhid/0005:046D:B01A.0005/input/input37
[  285.756615] hid-generic 0005:046D:B01A.0005: input,hidraw3: BLUETOOTH HID 
v0.03 Keyboard [MX Anywhere 2S] on dc:41:XX:XX:XX:XX
[  368.114749] SGI XFS with ACLs, security attributes, realtime, quota, no 
debug enabled
[  368.120451] JFS: nTxBlock = 8192, nTxLock = 65536
[  368.128173] ntfs: driver 2.1.32 [Flags: R/O MODULE].
[  368.137701] QNX4 filesystem 0.2.3 registered.
[  570.307743] i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun

** Affects: linux-oem-5.10 (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1961599

Title:
  i915 [drm] *ERROR* CPU pipe A FIFO underrun on Dell XPS13 9310

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