Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 3:02 AM, Mark L Sung wrote: > Jerry, > Refer to console=hvc0 from (https://wiki.xen.org/wiki/ > Xen_FAQ_Console)which is dedicated for domO after Xen kernel loaded, so > if it hangs it means somewhere the booting process with xen is not right. > I

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 3:43 AM, PJ Welsh wrote: > On Tue, May 16, 2017 at 10:26 PM, Jerry wrote: > >> Howdy, >> >> I recently went through a frustrating experience trying to get Xen 4 >> running on a CentOS 7 system. After a fresh install, fully updating

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Konrad Rzeszutek Wilk
> This is what's defined in /etc/default/grub following the install of the > Xen: > > GRUB_CMDLINE_XEN_DEFAULT="dom0_mem=1024M,max:1024M cpuinfo com1=115200,8n1 > console=com1,tty loglvl=all guest_loglvl=all" > GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT="console=hvc0 earlyprintk=xen > nomodeset" > >

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 2:39 AM, George Dunlap wrote: > On Wed, May 17, 2017 at 4:26 AM, Jerry wrote: > > I always disable "rhgb quiet" on a fresh install because I don't like > boot > > messages being hidden from me, and now this other thing does it. I

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 8:25 AM, Konrad Rzeszutek Wilk < konrad.w...@oracle.com> wrote: > > This is what's defined in /etc/default/grub following the install of the > > Xen: > > > > GRUB_CMDLINE_XEN_DEFAULT="dom0_mem=1024M,max:1024M cpuinfo > com1=115200,8n1 > > console=com1,tty loglvl=all

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread George Dunlap
On Wed, May 17, 2017 at 4:20 PM, Jerry wrote: > On Wed, May 17, 2017 at 2:39 AM, George Dunlap wrote: >> >> On Wed, May 17, 2017 at 4:26 AM, Jerry wrote: >> > I always disable "rhgb quiet" on a fresh install because I don't like >> >

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Konrad Rzeszutek Wilk
On Wed, May 17, 2017 at 08:37:13AM -0700, Jerry wrote: > On Wed, May 17, 2017 at 8:25 AM, Konrad Rzeszutek Wilk < > konrad.w...@oracle.com> wrote: > > > > This is what's defined in /etc/default/grub following the install of the > > > Xen: > > > > > >

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 8:44 AM, George Dunlap wrote: > On Wed, May 17, 2017 at 4:20 PM, Jerry wrote: > > This is what's defined in /etc/default/grub following the install of the > > Xen: > > > > GRUB_CMDLINE_XEN_DEFAULT="dom0_mem=1024M,max:1024M cpuinfo >

Re: [CentOS-virt] 4.9 kernel fails to boot because it didn't have the mpt3sas module

2017-05-17 Thread Sarah Newman
On 05/16/2017 09:04 PM, Jerry wrote: > > Turns out dracut was unable to mount the root file system. So I went back > into the 3.10 kernel again to see if the mpt2sas or mpt3sas driver was in > its initramfs file... and it wasn't: > > > $ sudo lsinitrd -k 4.9.25-27.el7.x86_64 | grep mpt >

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Nerijus Baliunas
On Wed, 17 May 2017 14:09:57 -0700 Jerry wrote: > Setting both hvc0 and tty is working as desired. Thanks again to everyone > that replied. I'm updating my kickstart script to include adding > console=tty in addition to the other. Should it be set by default then?

Re: [CentOS-virt] 4.9 kernel fails to boot because it didn't have the mpt3sas module

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 10:07 AM, Sarah Newman wrote: > On 05/16/2017 09:04 PM, Jerry wrote: > > > > > Turns out dracut was unable to mount the root file system. So I went > back > > into the 3.10 kernel again to see if the mpt2sas or mpt3sas driver was in > > its initramfs

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 2:17 PM, Nerijus Baliunas < neri...@users.sourceforge.net> wrote: > On Wed, 17 May 2017 14:09:57 -0700 Jerry wrote: > > > Setting both hvc0 and tty is working as desired. Thanks again to > everyone > > that replied. I'm updating my kickstart script

Re: [CentOS-virt] 4.9 kernel fails to boot because it didn't have the mpt3sas module

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 1:45 PM, Sarah Newman wrote: > On 05/17/2017 01:30 PM, Jerry wrote: > > > For some reason each of the 5, 6 & 7 releases have issues with the > mpt2sas > > driver (there isn't enough swiotlb allocated by default for the driver to > > work properly, and the

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Jerry
On Wed, May 17, 2017 at 8:54 AM, Jerry wrote: > > > On Wed, May 17, 2017 at 8:44 AM, George Dunlap wrote: > >> On Wed, May 17, 2017 at 4:20 PM, Jerry wrote: >> > This is what's defined in /etc/default/grub following the install of the

Re: [CentOS-virt] 4.9 kernel fails to boot because it didn't have the mpt3sas module

2017-05-17 Thread Sarah Newman
On 05/17/2017 01:30 PM, Jerry wrote: > For some reason each of the 5, 6 & 7 releases have issues with the mpt2sas > driver (there isn't enough swiotlb allocated by default for the driver to > work properly, and the units for that parameter changed between 5 and 6). > It's like this driver has bad

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread Mark L Sung
Jerry, Refer to console=hvc0 from (https://wiki.xen.org/wiki/Xen_FAQ_Console)which is dedicated for domO after Xen kernel loaded, so if it hangs it means somewhere the booting process with xen is not right. Suggest you to close look at the dmsg or log for debugging. Hope that helps and cheers.

Re: [CentOS-virt] centos-virt IRC meetings

2017-05-17 Thread Sandro Bonazzola
On Tue, May 16, 2017 at 8:21 PM, Sarah Newman wrote: > Hi, > > We were hoping to attend an IRC meeting this morning but it looks like > that didn't happen. Has this been moved to once a month or was this a > special week? > Hi, we skipeed it yesterday having nothing specific to

Re: [CentOS-virt] What is the purpose setting console=hvc0 in the dom0 grub config?

2017-05-17 Thread PJ Welsh
On Tue, May 16, 2017 at 10:26 PM, Jerry wrote: > Howdy, > > 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