Re: TSVNCache lockup.

Kari Grano wrote:
> On 2007-11-14, Stefan Küng wrote:
>>> Peter McNab wrote:
>>> Fired up a guest account on fully patched XP single core machine and
>>> encountered a 100% lockup in TSVNCache.
>> Was the cache already running in another user context?
>> Then, the explorer process couldn't access the pipe to the cache process
>> due to restricted access rights.
>> If however the cache was running as the user GUEST itself, then there
>> might be another problem (which will take me a few hours more to find a
>> fix for).
>
> FWIW, I had a similar issue with r11324, ie. TSVNCache was consuming 100%
> CPU. I attached the process to a debugger and found that two threads were
> busy-looping on a failing CreateNamedPipe() call (in functions PipeThread()
> and CommandWaitThread()). There was no file system activity at all. I
> "fixed" this by placing a Sleep(200) call when the pipe creation failed.
> However, the problem disappeared with a new build and reboot, so I forgot
> about it.

Do you know why the CreateNamedPipe() failed? The error code might help
here...

Stefan

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