!handle on Vista

WINDBG
1

When I’m debugging Vista installs, x64 or x86, the !handle extension does not seem to work at all. I’m using WinDBG 6.7, debugging Vista RTM from XP SP2. !handle has worked fine on all my other setups.

On Vista,
!handle
!handle 0

both return nothing regardless of what process I’m in. Giving a valid handle returns “error 6” (cannot duplicate handle).

Is !handle simply not supported on Vista (no note in the docs) or am I missing something?

Thanks,
Ben

2

I don’t know. Just to make sure, when you say “Vista installs,” you
just mean installations, not machines actually in the process of
installing Vista? If you mean the later, it is probably best to
disregard all of this. For whatever it is worth, I just tried (using
WinDbg 6.7.0.5) !handle, !handle 0 and !handle 4 on Longhorn
(6001-x64-chk) Beta 3 from XP SP2 (2600), and they all work.

I don’t use any Vista targets at the moment, so this is what I’ve got to
offer.

Sorry,

mm
-----Original Message-----
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Sent: Monday, July 02, 2007 16:43
To: Kernel Debugging Interest List
Subject: [windbg] !handle on Vista

When I’m debugging Vista installs, x64 or x86, the !handle extension
does not seem to work at all. I’m using WinDBG 6.7, debugging Vista RTM
from XP SP2. !handle has worked fine on all my other setups.

On Vista,
!handle
!handle 0

both return nothing regardless of what process I’m in. Giving a valid
handle returns “error 6” (cannot duplicate handle).

Is !handle simply not supported on Vista (no note in the docs) or am I
missing something?

Thanks,
Ben

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3

Correct, I mean targets with vista already installed. It works fine debugging any other target (2k, xp, 2k3), just not Vista RTM.

I don't know. Just to make sure, when you say "Vista installs," you just mean installations, not machines actually in the process of installing Vista? If you mean the later, it is probably best to disregard all of this. For whatever it is worth, I just tried (using WinDbg 6.7.0.5) !handle, !handle 0 and !handle 4 on Longhorn (6001-x64-chk) Beta 3 from XP SP2 (2600), and they all work. I don't use any Vista targets at the moment, so this is what I've got to offer. Sorry, mm