** Description changed:

+ === SRU Justification ===
+ [Impact]
+ Some systems with ATA drives freeze during suspend
+ 
+ [Fix]
+ Avoid circular sync dependency by using async cookie.
+ 
+ [Test]
+ User reports positive feedback.
+ 
+ [Regression Potential]
+ Low. This patch makes synchronize more targeted, prevents many potential
+ freeze.
+ 
+ === Original Bug Report ===
  I am using an old HP EliteBook 6930p with current Ubuntu.
  
  When the computer is suspended, even after a fresh boot, it does not
  wake up: the power comes back, but the laptop is frozen, and does not
  respond to ping.
  
  It is working fine with 5.3.0-29, but not with 5.3.0-40 nor 5.3.0-42.
  
  I am holding kernel purge for now, but this is annoying.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: linux-image-5.3.0-29-generic 5.3.0-29.31
  ProcVersionSignature: Ubuntu 5.3.0-29.31-generic 5.3.13
  Uname: Linux 5.3.0-29-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.6
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  isabelle   1010 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  isabelle   1010 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Mar 18 20:46:35 2020
  HibernationDevice: RESUME=UUID=f606f815-8935-4921-9b8b-e0d8030bb18c
  InstallationDate: Installed on 2015-03-15 (1830 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Hewlett-Packard HP EliteBook 6930p
  PccardctlStatus:
-  Socket 0:
-    3.3V
-   16-bit
-   PC Card
-    Subdevice 0 (function 0) bound to driver "pata_pcmcia"
+  Socket 0:
+    3.3V
+   16-bit
+   PC Card
+    Subdevice 0 (function 0) bound to driver "pata_pcmcia"
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=fr_FR.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=fr_FR.UTF-8
+  SHELL=/bin/bash
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-29-generic 
root=UUID=34085e95-4240-40e4-87fe-18dc9b60b1c1 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-5.3.0-29-generic N/A
-  linux-backports-modules-5.3.0-29-generic  N/A
-  linux-firmware                            1.183.4
+  linux-restricted-modules-5.3.0-29-generic N/A
+  linux-backports-modules-5.3.0-29-generic  N/A
+  linux-firmware                            1.183.4
  SourcePackage: linux
  UpgradeStatus: Upgraded to eoan on 2019-11-03 (136 days ago)
  dmi.bios.date: 07/31/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68PCU Ver. F.12
  dmi.board.name: 30DB
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 87.27
  dmi.chassis.asset.tag: CZC939161W
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvr68PCUVer.F.12:bd07/31/2009:svnHewlett-Packard:pnHPEliteBook6930p:pvrF.12:rvnHewlett-Packard:rn30DB:rvrKBCVersion87.27:cvnHewlett-Packard:ct10:cvr:
  dmi.product.family: 103C_5336AN
  dmi.product.name: HP EliteBook 6930p
  dmi.product.sku: J1610781
  dmi.product.version: F.12
  dmi.sys.vendor: Hewlett-Packard

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu)
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1867983

Title:
  Computer is frozen after suspend

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