[Bug 1855784] Re: Intel Microcode 3.20191115.1ubuntu0.16.04.2 still hangs on warm reboot with Intel(R) Xeon(R) W-2125 CPUi

[Harry G McGavran Jr]

On 12/17/19 11:52 AM, Seth Arnold wrote:
> Hello Harry,
> 
> Just to double-check, did you perform a *cold* reboot at least once
> after installing the 3.20191115.1ubuntu0.16.04.2?
> 
> Can you please provide the output of:
> 
> iucode-tool -S

iucode-tool: system has processor(s) with signature 0x00050654

> 
> It might also be helpful to know where exactly the failure started;
> previous releases can be found on
> https://launchpad.net/ubuntu/xenial/+source/intel-microcode
> 
> (I'm guessing it's probably fastest to just work backwards up the list
> rather than bisecting, but that's a guess.)

I believe it was a problem with the last two microcode releases for
Ubuntu 16.04 LTS.

That would be the 3.20191115 and 3.20191112 releases.
The 3.20190618 releases and before were ok.

Exactly which ones on 3.20191115 and 3.20191112, I don't
know without trying them, but the ones in the update stream
for Ubuntu 16.04 LTS are the ones where I had trouble.

   Harry

> 
> Here's the previous bug report for a handy link for navigating among the bugs:
> https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1854764
> 
> Thanks
>

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https://bugs.launchpad.net/bugs/1855784

Title:
  Intel Microcode 3.20191115.1ubuntu0.16.04.2 still hangs on warm reboot
  with Intel(R) Xeon(R) W-2125 CPUi

Status in intel-microcode package in Ubuntu:
  Confirmed

Bug description:
  Intel Micorocde 3.20191115.1ubuntu0.16.04.2 STILL hangs on warm reboot
  with Dell T5820 and Intel(R) Xeon(R) W-2125 CPU

  Reverting to 3.20151106.1 fixes the problem.

  Running Ubuntu 16.04 LTS.

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