Ubuntu 14.04.2 add noapic boot option upgrade#

The Linux SCSI layer does not automatically adjust these parameters. sd 2:0:0:0: Warning! Received an indication that the operating parameters on this target have changed.

hv_storvsc vmbus_0_1: stor pkt ffff8802f710f200 autosense data valid - len 18 hv_storvsc vmbus_0_1: cmd 0x2a scsi status 0x2 srb status 0x82 Whereas Debian Jessie shows the dreaded messages and sometimes timeouts during nightly backups and remounts R/O. (Bonus question: Is this something to worry about?) sd 2:0:0:0: Sense Key : Illegal Request We also have some CentOS based guests running without issues from what we've seen.Р В РІР‚СњР В РІР‚С›t least our Ubuntu instances only show the following: We can stop the backup process and all is good, but we need nightly backups to image all of our VM's. We see the same errors on both.Р В РІР‚СњР В РІР‚С›s a result, we've been hesitant to drop any more ubuntu guests on our 2012R2 hyper-v system because of this. We're currently running kernel version 3.13.0-49-generic #83 on one system and 3.16.0-34-generic #37 on the other. Yes, we do have hv_vss_daemon and hv_kvp_daemon running for the correct kernel version we have. This relates to the VSS 'Windows Server Backup' process that kicks off at midnight on the host and finishes an hour and half later. Sense: Changed operating definitionР В РІР‚СњР В РІР‚С›pr 30 01:23:26 balticnetworkstraining kernel: sd 0:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.Р В РІР‚СњР В РІР‚С›pr 30 01:23:26 balticnetworkstraining kernel: hv_storvsc vmbus_0_4: cmd 0x2a scsi status 0x2 srb status 0x82Р В РІР‚СњР В РІР‚С›pr 30 01:23:26 balticnetworkstraining kernel: hv_storvsc vmbus_0_4: stor pkt ffff88006eb6c700 autosense data valid - len 18Р В РІР‚СњР В РІР‚С›pr 30 01:23:26 balticnetworkstraining kernel: storvsc: Sense Key : Unit Attention Р В РІР‚СњР В РІР‚С›pr 30 01:23:26 balticnetworkstraining kernel: storvsc: Add. Sense: Changed operating definitionР В РІР‚СњР В РІР‚С›pr 30 00:02:01 balticnetworkstraining kernel: sd 0:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. Must reboot the Ubuntu guest to get the file system to mount RW again.Р В РІР‚СњР В РІР‚С›pr 30 00:02:01 balticnetworkstraining kernel: storvsc: Sense Key : Unit Attention Р В РІР‚СњР В РІР‚С›pr 30 00:02:01 balticnetworkstraining kernel: storvsc: Add. On a random Basis, the file system will be mounted Read-Only due to a 'disk error' (which really isn't the case here). In the BIOS/UEFI menu, you need to change the boot order so that the USB flash drive, which is usually called USB-HDD in newer computers, is the first entry in the boot sequence, and then save your new settings and exit the setup utility.We're running various version of Ubuntu 14.04.2 LTS on Generation 2 Hyper-V Hosts. In order to enable your computer to boot from the USB flash drive, you must enter your BIOS/UEFI setup utility by pressing one of these keys, usually: Delete, F2 or F10 as soon as the motherboard / computer manufacturer logo splash screen appears when the computer is booting.

Ubuntu 14.04.2 add noapic boot option upgrade#

For best results please upgrade Rufus to version 3.9 or later. It's already back in 19.10 in UNetbootin and Rufus.

Persistent file storage might be coming back in Startup Disk Creator in 20.04. In Ubuntu 16.04 and later Startup Disk Creator no longer has the persistent file storage option. You can also move the Stored in reserved extra space slider back and forth to create some reserved extra space for persistent file storage across reboots.

In the screenshot below you can see how the USB flash drive Device is identified by its model name, the same model name that appears under the Drive heading after Model: in the Disks (disk utility) application. Be very careful to select the USB flash drive in the Make Startup Disk window in order to avoid overwriting the partition which Ubuntu is installed on, which may make Ubuntu unbootable.

If you have only one USB flash drive plugged in to your computer, Startup Disk Creator will select it automatically. Startup Disk Creator will automatically format your USB flash drive to FAT32 and make it bootable. For Ubuntu 18.04 and later it should be 4GB or larger. The USB flash drive that you use with Startup Disk Creator should be 2GB or larger. Search the Dash for Startup Disk Creator and click the Startup Disk Creator icon to open the Make Startup Disk window. Ubuntu has a built-in application for creating a bootable Ubuntu live USB for installing Ubuntu called Startup Disk Creator which is more reliable than UNetbootin.