[erlang-questions] werl R14A on windows 7 frequently crashes during file access

Tuncer Ayaz <>
Tue Jul 20 15:03:56 CEST 2010

On Tue, Jul 20, 2010 at 2:47 PM, Brian Williams wrote:
> On Tue, Jul 20, 2010 at 8:30 AM, Tuncer Ayaz wrote:
>> On Tue, Jul 20, 2010 at 2:26 PM, Brian Williams wrote:
>>> On Mon, Jul 19, 2010 at 4:22 PM, Tuncer Ayaz wrote:
>>>> On Mon, Jul 19, 2010 at 1:24 PM, Brian Williams wrote:
>>>>> Where would I look for this dump?
>>>> Default should be C:\Windows\minidumps and I think it's configurable.
>>> That directory doesn't exist. I guess I have to configure it in
>>> Windows somewhere? I don't know where to do that.
>> What about C:\Windows\minidump?
> No. I should probably add that this is a windows 7 box. Is that
> location determined by the OS when it detects the crash, or by werl
> before it dies?

It is determined by the crash handler configured in the OS settings
and possible that no crash dump has been written or that it's in a
different directory. I don't have a Windows install to check. You
might want to read the docs about configuring user-mode minidumps and
enabling crash dumps. Have a look in the MSDN.

You can also install windbg as the postmortem debugger and have it
spawned on each unhandled crash if you don't want to configure crash
dump settings. Also some applications like popular web browsers have
their own crash handler to collect and submit crash info to their
online database. These may not trigger a system level debugger at all
if their crash handler is not disabled.

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