On 05/16/2017 09:04 PM, Jerry wrote: <snip> > > 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 > -rw-r--r-- 1 root root 0 May 16 12:39 etc/fstab.empty > -rw-r--r-- 1 root root 22 Nov 5 2016 > usr/lib/kbd/unimaps/empty.uni > > For comparison: > > $ sudo lsinitrd -k 3.10.0-514.16.1.el7.x86_64 | grep mpt > -rw-r--r-- 1 root root 0 May 16 04:37 etc/fstab.empty > -rw-r--r-- 1 root root 22 Nov 5 2016 > usr/lib/kbd/unimaps/empty.uni > drwxr-xr-x 2 root root 0 May 16 04:37 > usr/lib/modules/3.10.0-514.16.1.el7.x86_64/kernel/drivers/scsi/mpt3sas > -rw-r--r-- 1 root root 379021 Apr 12 08:51 > usr/lib/modules/3.10.0-514.16.1.el7.x86_64/kernel/drivers/scsi/mpt3sas/mpt2sas.ko > > > So I added it: > > > $ sudo dracut --force --add-drivers mpt3sas --kver=4.9.25-27.el7.x86_64 > $ sudo lsinitrd -k 4.9.25-27.el7.x86_64 | grep mpt > Arguments: --force --add-drivers 'mpt3sas' --kver '4.9.25-27.el7.x86_64' > -rw-r--r-- 1 root root 0 May 16 12:57 etc/fstab.empty > -rw-r--r-- 1 root root 22 Nov 5 2016 > usr/lib/kbd/unimaps/empty.uni > drwxr-xr-x 2 root root 0 May 16 12:57 > usr/lib/modules/4.9.25-27.el7.x86_64/kernel/drivers/scsi/mpt3sas > -rwxr--r-- 1 root root 374152 May 16 12:57 > usr/lib/modules/4.9.25-27.el7.x86_64/kernel/drivers/scsi/mpt3sas/mpt3sas.ko > > > After this I was able to get the 4.9 kernel to boot and Xen is now working. You should be able to make this change permanently from /etc/dracut.conf with the add_drivers+= line, or build a generic initrd with hostonly="no" . I don't know why it wasn't originally added. --Sarah _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos-virt
