Wireshark-bugs: [Wireshark-bugs] [Bug 3270] freezes on start, uses 100% kernel cpu, cannot kill.
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 7 Dec 2009 21:36:51 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3270

--- Comment #27 from Gerald Combs <gerald@xxxxxxxxxxxxx> 2009-12-07 21:36:47 PST ---
(In reply to comment #26)
> I traced again -- the entry point in LIBGNUTLS-26 from epan_init() is
> gnutls_global_init()... it never returns.

The top-most address in the debug output you attached is

STACK TRACE:
NTDLL! 77f889e7()

On my Win2K VM address 77f889e7 is in NtQuerySystemInformation(). This is
called from slow_gatherer() in libgcrypt:

http://cvs.gnupg.org/cgi-bin/viewcvs.cgi/tags/libgcrypt-1.4.4/random/rndw32.c?rev=1383&root=Libgcrypt&view=markup

Starting at line 642, slow_gatherer calls NtQuerySystemInformation for values 0
to 63. This is a much greater number than the possible values documented at
MSDN. Maybe some configurations of Windows 2000 choke on one or more of these?

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