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

 

As far as I can tell, it's not so much that it's a regression in usb-
creator or in the images, it's that the interface between the core of
syslinux and its COM32 modules is incompatible between 14.10 and earlier
versions; this means that running usb-creator from a 14.10 system to
write a 14.10 image works fine (e.g. comment #49) but it doesn't work if
you're running it from a 14.04 or earlier system, and I suspect that it
also doesn't work if you try to use usb-creator from a 14.10 system to
write a pre-14.10 image.  And no, Erick, it is not a regression from bug
1112878 even though it has the same final symptom - please don't
conflate those two bugs.

This is obviously suboptimal and if we (relevant developers) had noticed
this in time then we should certainly have fixed it in both 14.10 and
earlier versions to reduce confusion.  The least invasive fix is
probably to copy the relevant .c32 files from the host system as well as
running syslinux on the image, and comment #52 indicates that this
approach works fine.  However, since the most pressing need is to fix
this in updates to usb-creator in 14.04 and earlier releases, there's no
reason for it to block the release of 14.10.

I will write up something for the release notes, and see if we can get
this patched up reasonably quickly.

** Package changed: casper (Ubuntu Utopic) => usb-creator (Ubuntu
Utopic)

** Also affects: usb-creator (Ubuntu Lucid)
   Importance: Undecided
       Status: New

** Also affects: usb-creator (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: usb-creator (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: usb-creator (Ubuntu Lucid)
       Status: New => Triaged

** Changed in: usb-creator (Ubuntu Precise)
       Status: New => Triaged

** Changed in: usb-creator (Ubuntu Trusty)
       Status: New => Triaged

** Changed in: usb-creator (Ubuntu Lucid)
   Importance: Undecided => Critical

** Changed in: usb-creator (Ubuntu Precise)
   Importance: Undecided => Critical

** Changed in: usb-creator (Ubuntu Trusty)
   Importance: Undecided => Critical

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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:
  Triaged
Status in “usb-creator” package in Ubuntu:
  Triaged
Status in “usb-creator” source package in Lucid:
  Triaged
Status in “usb-creator” source package in Precise:
  Triaged
Status in “usb-creator” source package in Trusty:
  Triaged
Status in “usb-creator” source package in Utopic:
  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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