[Bug 1941622] Re: [SRU] Bump unmatched CPU clock rate to 1.2 GHz

[Launchpad Bug Tracker]

This bug was fixed in the package u-boot - 2021.01+dfsg-3ubuntu0~20.04.4

---------------
u-boot (2021.01+dfsg-3ubuntu0~20.04.4) focal; urgency=medium

  * Raise CPU frequency to 1.2 GHz as used in upstream U-Boot in
    d/p/0011-riscv-sifive-dts-fu740-Add-board-u-boot.dtsi-files.patch
    (LP: #1941622)

 -- Heinrich Schuchardt <heinrich.schuchardt at canonical.com>  Tue, 21 Sep
2021 17:55:38 +0200

** Changed in: u-boot (Ubuntu Focal)
       Status: Fix Committed => Fix Released

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to u-boot in Ubuntu.
https://bugs.launchpad.net/bugs/1941622

Title:
  [SRU] Bump unmatched CPU clock rate to 1.2 GHz

Status in u-boot package in Ubuntu:
  Fix Released
Status in u-boot source package in Focal:
  Fix Released

Bug description:
  [Impact]

  Bump SiFive Unmatched CPU clock rate from 1.0 GHz to 1.2 GHz as used
  by upstream U-Boot.

  This is the maximum frequency that according to SiFive is stable on
  all boards.

  [Test Plan]

   * System with these patches boots, operates normally without
  overheating. CPU clock speed is increased form 1.0 GHz to 1.2 GHz.

  [Where problems could occur]

   * Overheating, instability, panics. (Should not occur according to
  the board vendor)

  [Other Info]
   
   * wgrant & multiple SiFive forum users report even 1.5 GHz to be stable

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/u-boot/+bug/1941622/+subscriptions