[Bug 1781746] Re: Slow startup with encrypted swap

[Mantas Kriaučiūnas]

** Bug watch added: Debian Bug tracker #861228
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=861228

** Also affects: initramfs-tools (Debian) via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=861228
   Importance: Unknown
       Status: Unknown

** Summary changed:

- Slow startup with encrypted swap
+ Slow startup with zram-config installed (/dev/zram0) or encrypted swap

** Description changed:

- The problem was due to my swap being encrypted. So the local-premount
- script in initramfs was waiting for a swap device that was not
- available, until it timed out. The relevant message was gave up waiting
- for suspend/resume device.
+ Ubuntu 18.04 startup slowdowns for 30-60 seconds when zram-config installed or swap is encrypted.
+ When generating initrd I get this message in terminal:
+ 
+ I: The initramfs will attempt to resume from /dev/zram0
+ I: (UUID=e380356c-767e-4265-98da-8be62ad28569)
+ I: Set the RESUME variable to override this.###########################################.................] 
+ 
+ So the local-premount script in initramfs was waiting for a swap device
+ that was not available, until it timed out. The relevant message was
+ gave up waiting for suspend/resume device.
  
  To disable this (as resuming from swap is not possible with an encrypted
  swap, and I don't use hibernation anyway), I modified this file: /etc
  /initramfs-tools/conf.d/resume. In this file, a line with RESUME=none
  (instead of the UUID that was here) will disable waiting for a resume
  device.
  
  Run sudo update-initramfs -u to apply the changes.
  
  Please, fix it already. Duplicate of Bug #1768230 on Ubuntu 18.10

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https://bugs.launchpad.net/bugs/1781746

Title:
  Slow startup with zram-config installed (/dev/zram0) or encrypted swap

Status in Default settings and artwork for Baltix OS:
  New
Status in initramfs-tools package in Ubuntu:
  Confirmed
Status in zram-config package in Ubuntu:
  New
Status in initramfs-tools package in Debian:
  Unknown

Bug description:
  Ubuntu 18.04 startup slowdowns for 30-60 seconds when zram-config installed or swap is encrypted.
  When generating initrd I get this message in terminal:

  I: The initramfs will attempt to resume from /dev/zram0
  I: (UUID=e380356c-767e-4265-98da-8be62ad28569)
  I: Set the RESUME variable to override this.###########################################.................] 

  So the local-premount script in initramfs was waiting for a swap
  device that was not available, until it timed out. The relevant
  message was gave up waiting for suspend/resume device.

  To disable this (as resuming from swap is not possible with an
  encrypted swap, and I don't use hibernation anyway), I modified this
  file: /etc/initramfs-tools/conf.d/resume. In this file, a line with
  RESUME=none (instead of the UUID that was here) will disable waiting
  for a resume device.

  Run sudo update-initramfs -u to apply the changes.

  Please, fix it already. Duplicate of Bug #1768230 on Ubuntu 18.10

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