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Re: Intermittent failures with ctrl-c
On Tue, Jan 22, 2013 at 10:20:20PM -0500, Tom Honermann wrote:
>On 01/20/2013 05:08 PM, Tom Honermann wrote:
>> However, I was still able to reproduce another case. As before, one of
>> the processes is being left running when the rest are terminated. The
>> "abandoned" process appears to be in a live-lock state with two threads
>> (threads 1 and 2) running at 100%. Of particular interest is that each
>> time I press ctrl-c in the cmd.exe console this process was spawned
>> from, a new thread appears in the process even though this program is no
>> longer a foreground process and all other Cygwin processes have
>> terminated. The new threads never exit.
>
>I noticed that more changes were checked in that looked like they might
>address this, so I tested again with the latest snapshot (20130123).
>
>I wasn't able to reproduce any of the symptoms I previously reported. Yay!
>
>However, just as I was about to give up testing, I hit one more new
>issue. One of the ctrl-c events sent bash into what appeared to be an
>infinite loop emitting error messages like these:
>
>11408974 [unknown (0x144C)] bash 1752 exception::handle: Error while
>dumping state (probably corrupted stack)
>11411584 [unknown (0x144C)] bash 1752 exception::handle: Error while
>dumping state (probably corrupted stack)
>
>While this was going on, hitting ctrl-c had no discernible effect. I
>resorted to killing the process via task manager.
>
>This only occurred once, I wasn't able to get it to happen again.
Was there a stackdump?
cgf
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