[Lubuntu-qa] Fwd: [Lubuntu-admins] 15.04 - Installation Experience

Nio Wiklund nio.wiklund at gmail.com
Sat May 9 07:58:25 UTC 2015


Hi Walter,

Unetbootin had a corresponding issue to that of bug #1325801 for
usb-creator, and maybe also some other bug. The version in Ubuntu's
repositories is still bad, but if you get Unetbootin from the
developer's PPA, it works well. (I have tested it.)

mkusb is not affected by this bug, because of the way it works. Win32
Disk Imager works in the same way as mkusb.

I don't know if any other tool to create USB boot drives is affected.

Best regards
Nio

Den 2015-05-09 01:27, Walter Lapchynski skrev:
> but this bug only affects usb-creator, correct? silverlion had trouble
> with media he created in windows using the i386 iso. md5 matched up, but
> testing media causes some bad sector error. repeatably does this on
> multiple usb drives but no problem with the lts version. I can't
> reproduce but he reliably can.
> 
> @wxl | http://polka.bike
> Lubuntu Release Manager, Head of QA
> Ubuntu PPC Point of Contact
> Ubuntu Oregon Team Leader
> Ubuntu Membership Board Member
> Eugene Unix & GNU/Linux User Group Co-organizer
> 
> On May 5, 2015 10:04 AM, "Nio Wiklund" <nio.wiklund at gmail.com
> <mailto:nio.wiklund at gmail.com>> wrote:
> 
>     Den 2015-05-05 17:00, Israel skrev:
>     > On 05/05/2015 08:28 AM, Nio Wiklund wrote:
>     >> Den 2015-05-03 01:35, Nio Wiklund skrev:
>     >>> ...
>     >> Hi again,
>     >>
>     >> One step further with the Ubuntu Startup Disk Creator:
>     >>
>     >> I finally found that bug 1325801
>     >>
>     >> https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/1325801
>     >>
>     >> is fixed now with some tweaks by Yu Ning. But there is another
>     bug, that
>     >> stopped me, when I tested it. I was trying to flash Lubuntu 15.04
>     >> desktop 32-bit into a pendrive from an installed Ubuntu 14.04.2 LTS
>     >> 64-bit system.
>     >>
>     >> After some testing Yu Ning told me "I guess you are burning the
>     i386 ISO
>     >> on an amd64 host machine? This was a blind spot in previous patch for
>     >> vivid, it assumes host arch == target arch."
>     >>
>     >> In other words, you can only create pendrives with 64-bit systems
>     from a
>     >> 64-bit system or pendrives with 32-bit systems from a 32-bit system.
>     >>
>     >> I am able to create a Lubuntu 15.04 desktop 64-bit pendrive from that
>     >> Ubuntu 14.04.2 LTS 64-bit system. Persistence works.
>     >>
>     >> Maybe someone wants to try to create a Lubuntu 15.04 desktop 32-bit
>     >> pendrive from a Lubuntu 14.04.2 LTS 32-bit system. In that case,
>     please
>     >> apply Yu Ning's tweaks that you find in comment # 124.
>     >>
>     >> Best regards
>     >> Nio
>     > Hi Nio,
>     > That is very unfortunate.  I think this assumption (host arch ==
>     target
>     > arch) is a very big bug.  It makes sense why it was so hard to track
>     > down why it would sometimes work and sometimes not work.
>     >
>     > If I have a 64bit machine and my friend has 32bit, they have to do
>     > everything themselves, I cannot make the USB to take to their
>     house, or
>     > if I want to make a 32bit persistent USB (since 32bit works almost
>     > everywhere on older non-EFI computers) I must be running 32bit,
>     even if
>     > I have 64bit. :(
>     >
>     > At least we have *mkusb*, which is all I really use anyway.  It is
>     much
>     > faster (on the order of magnitudes) and is not prone to errors, or
>     these
>     > kinds of strange bugs.
>     >
>     > --
>     > Regards
>     >
> 
>     Hi Israel,
> 
>     The Startup Disk Creator seems to consist of bugs rather than good
>     program lines. Most other pieces of Ubuntu's software work very well,
>     and bugs are fixed when found, but the Startup Disk Creator is a sad
>     story.
> 
>     I agree that the assumption (host arch == target arch) is a very big
>     bug. But at least we know about it now. It can certainly affect many
>     Lubuntu users who have both older and newer hardware and are likely to
>     use 32-bit as well as 64-bit operating systems.
> 
>     Best regards
>     Nio
> 
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