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Radar just dropped my bug report on the floor
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Radar just dropped my bug report on the floor


  • Subject: Radar just dropped my bug report on the floor
  • From: Don Quixote de la Mancha <email@hidden>
  • Date: Wed, 09 Nov 2011 11:50:48 -0800

I just attempted but failed to report a bug at http://bugreport.apple.com/

When I submitted the bug report form, the submission result page gave
me the bug number highlight in blue as a hyperlink.  When I clicked
that link, instead of seeing my bug report, I got an empty report
submission form with "Broken pipe" at the top of the page.

When I clicked "My Originated Problems", I was given a page that said
a problem had occured, and that I should report the problem to
email@hidden, which I just did.

I'm telling y'all about this experience to advice you to keep a local
backup of any bug reports you make until the problem is resolved.

Clicking back and forth in Safari got me the same results.  I thought
it might be some problem with Safari's cache, cookies or Javascript,
so I quit Safari, launched it again, selected Safari -> Reset Safari,
quit, launched it yet again, then logged back into Radar.

My new bug was not shown among my list of active problems.  Searching
by bug number or today's submission date of 11/09/11 did not turn it
up either.

I still had the URL that Radar claimed would show my bug report, but
attempting to visit logged me out, so that I was presented with the
login page again.

Unfortunately, I didn['t think to click the Back button far enough to
get back to my original entry form, so I lost the entire bug report.
If Radar's sysadmins can't dig it up somehow, I'll re-file it after I
get some rest.  I've been up all night beating my head against ARM and
Thumb assembly code for my iOS App.

I think it was Bug # 10420051.  I don't recall the precise title, but
it was something like "GDB cannot switch disassembly mode between
Thumb and ARM".

That is, if you set a breakpoint in Thumb-2 machine code, then step
through some Thumb to ARM Interworking instructions to enter ARM
machine code, GDB disassembles each 32-bit ARM instruction as two
completely bogus Thumb instructions.  The "si" or "stepi" command-line
commands advance the program counter by the proper number of bytes, so
GDB does know what mode you are in, but that information does not make
it to the debugger.

Some Googling turned up various ways one can switch disassembly modes
with other versions of GDB, but none of them work with the GDB that is
bundled with Xcode 4.2 for Snow Leopard.

I need to catch some ZZZs soon.  Ciao, Baby.

--
Don Quixote de la Mancha
Dulcinea Technologies Corporation
Software of Elegance and Beauty
http://www.dulcineatech.com
email@hidden
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