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[Bug 1325801] Re: failed to boot from USB disk with error: gfxboot.c32: not a COM32R Image boot:

 

I performed three tests this AM. In all cases I used my stable fully
updated Trusty to create the live USB's and the versions of 'usb-
creator-gtk' and 'unetbootin' used are the standard versions available
in the Trusty repos. Tests were performed on bare metal:

Intel Atom CPU  230 @ 1.60GHz
Intel 82945G/GZ Integrated Graphics Controller (rev 02)
Intel N10/ICH 7 Family High Definition Audio Controller (rev 01)
Realtek RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
2GB DDR2 RAM

In test #1 I created an Ubuntu Utopic 20140922 i386 live USB using 'usb-
creator-gtk' (aka: Startup Disk Creator) and attempting to boot the live
USB produced this bug.

In test #2 I created an Ubuntu Utopic 20140922 i386 live USB using
'unetbootin' and the live USB boots as it should.

In test #3 I created an Ubuntu 14.04.1 live USB using 'usb-creator-gtk'
(aka: Startup Disk Creator) and the live USB boots as it should.

Hope that's helpful. It seems that whatever is borked in the Utopic
iso's does not effect UNetbootin but does effect Startup Disk Creator.

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https://bugs.launchpad.net/bugs/1325801

Title:
  failed to boot from USB disk with error: gfxboot.c32: not a COM32R
  Image boot:

Status in Ubuntu CD image build software:
  New
Status in Ubuntu Kylin:
  New
Status in “casper” package in Ubuntu:
  Triaged

Bug description:
  系    统:UK 14.10  6-2 dailybuild 32 位
  机器型号:dell  Inspiron-560s
  现    象:用U盘制作启动盘,不能启动,提示信息:gfxboot.c32: not a COM32R Image boot: 见附件图片

  this bug is similar with Bug #645818, but we cannot confirm whether
  they are the same.  If we type "live" and press enter, we can enter
  live mode.

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