Re: What is the purpose setting console=hvc0 in the dom0 grub config?

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On Wed, May 17, 2017 at 3:43 AM, PJ Welsh <pjwelsh@xxxxxxxxx> wrote:
On Tue, May 16, 2017 at 10:26 PM, Jerry <jerryubi@xxxxxxxxx> wrote:

I recently went through a frustrating experience trying to get Xen 4 running on a CentOS 7 system.  After a fresh install, fully updating the system, rebooting, then trying to install Xen4CentOS it would fail to boot into the 4.9 kernel, sitting there with a blinking cursor indefinitely.
Check the BIOS to see if Hyperthreading is disabled. If so, enable it. I had some Dell server (Dell R710s and R610s) that I finally figured out would not boot like you describe when HT is off for some reason.

I found what my issue was with it not booting, when the 4.9 kernel was installed it didn't include the mpt3sas driver.  I posted the solution to the mailing list earlier with the subject:

4.9 kernel fails to boot because it didn't have the mpt3sas module

This post is just asking what the purpose of console=hvc0 is.

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