RE: [ros-dev] need help debugging - Ros-dev

27 Apr 2006

Are you not able to use a VM?
It' makes life much easier, and IMO, it's essential for development work.

ROS does have one or two problems with real hardware at the moment, and it's
hard to pinpoint without a debugger.

If you can get a photo of the BSOD, it would help.

-----Original Message-----
From: Peter Quiring [mailto:pquiring@gmail.com] 
Sent: 26 April 2006 17:23
To: ros-dev(a)reactos.org
Subject: [ros-dev] need help debugging

Hi all,

I'm new to ROS but I've had a few patches accepted to Wine.

I'm having difficulty with the website and I can't seem to login (even 
after enabling multisession) so I can't use bugzilla or the forums.

So anyways, I've got ROS to compile (RosBE is great!)/build/install on 
two systems but I'm getting the following problems on one system (Dell 
Inspiron 5150 Laptop):

During install it shows a 17592185991168 MB unused space partition after 
my 60 GB FAT32 partition.  But install still works okay.

During 1st boot I get a bsod, I don't have a COM port (USB only) so I 
tried to use the SCREEN output option but it's too fast to read.  I've 
try to use the FILE option but only 600+ bytes are written to the 
debug.log file.  I know the cache_manager isn't being flushed because 
everytime it crashes the contents of the folders in "Documents & 
settings" folder are corrupt (ie: "All Users.Reactos", etc.)

So my question is :  How can I disable the cache_manager?  Or can I 
place sync() commands somewhere in the source for testing. (is there 
such a function available?).

The bsod seems to be related to gdi issues during creating the primary 
surface.  Somewhere the DeviceObject for the screen is NULL and is not 
caught till it causes a GPE much later.

I'll give a little info that I've written down.

/ntoskrnl/io/irp.c:570 - GPE
/ntoskrnl/io/irp.c:911
/subsystems/win32/win32k/objects/dc.c:693
/subsystems/win32/win32k/ntuser/winsta.c:348
/subsystems/win32/win32k/ntuser/guicheck.c:57
/subsystems/win32/win32k/objects/dc.c:853
/subsystems/win32/win32k/ntuser/windc.c:121
/subsystems/win32/win32k/ntuser/windc.c:441
/subsystems/win32/win32k/ntuser/windc.c:529
/subsystems/win32/win32k/ntuser/windc.c:101
/ntoskrnl/ke/traps.c:306
/dll/win32/user32/windows/dialog.c:696

Hope this helps.

I was using the lastest SVN at the time (21738 I think).

Thanks.

Peter Quiring

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