Den 2015-04-26 23:31, Aere Greenway skrev: > On 04/26/2015 02:54 PM, Brendan Perrine wrote: >> On Sunday, April 26, 2015 8:18:08 PM UTC, Aere Greenway wrote: >>> I know it successfully wrote the GRUB-PC bootloader to the hard-drive >>> of the machine being installed-to, because that system worked fine, >>> and the new system is the one that is initially selected in the GRUB >>> menu (it used to be a different system). >>> >> >> If you have bootloadaer install problems with disks I find I sometimes >> don't expeirence these problems. This can also happen if you have a >> desktop with many disks in it but then again you may want a custom >> setup if that is your usecase. I don't really think my mom would come >> home from the store with a desktop with 3 disks inside it. >> https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1431067 describes >> one such problem I had but could never reproduce this with manual >> partitioning. A recent jupiter broadcasting podcast from Fridat >> suggest thsi might be more widespread and may also affect 14.04 in >> which case getting this fixed for 14.04.3 will be really ncie since it >> is long term support and what I would want most new or non technical >> users on anyway. >> > Brendan: > > All of my machines have multiple partitions, and I always do manual > partitioning. The USB drive itself (in this case) has only one > partition, but often (not in this case) I create USB drives with an > additional partition, which the USB drive system can access (as well as > other systems), and read/write files from/to. > > If it hadn't successfully written the GRUB-PC boot loader to the > hard-disk (of the machine being installed-to), the other old system > partition (Lubuntu 14.01.3) would have booted by default (the top menu > entry in the GRUB menu). > > The partition GRUB is last written-to becomes the system that boots > by-default, and the newly-installed system became the top entry of the > GRUB menu. > > I have not (before 15.04) experienced the case where the USB drive > becomes un-bootable after installing from it. I have used USB drives > for installing in several prior releases (though I started using > Unetbootin only with 14.04 and 14.10). >
Hi Aere and Brendan, I think there is a bug. This should not happen: Installing Lubuntu should not alter the USB pendrive, from which it is being installed. I doubt that the problem is the bootloader, because it boots to the Unetbootin menu (if I understand correctly). It seems to me that some configuration file of Unetbootin is written to (overwritten) or saved in a bad way in the casper-rw file. Maybe these questions can help you get further: - What happens if you boot without persistence (if you still have that system on the USB drive or are prepared to repeat the operations to 'get there')? - Would it work better with a casper-rw partition and ext4 for persistence? - Would it work better if you sync the system manually (flush the buffers) before shutting down or rebooting? - What happens if you do the same procedure with another USB pendrive? In other words, could it be caused by a defect of the pendrive? Best regards Nio -- Lubuntu-users mailing list Lubuntu-users@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/lubuntu-users
