[ros-bugs] [Bug 2159] New: Last SVN builds : Black screen after loading bootvid.dll

ReactOS.Bugzilla at www.reactos.org ReactOS.Bugzilla at www.reactos.org
Thu Apr 12 00:49:39 CEST 2007


           Summary: Last SVN builds : Black screen after loading bootvid.dll
           Product: ReactOS
           Version: TRUNK
          Platform: x86 Hardware
        OS/Version: ReactOS
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Kernel
        AssignedTo: ros-bugs at reactos.org
        ReportedBy: framaman at modulonet.fr
         QAContact: ros-bugs at reactos.org


Since I could run ReactOS 0.3.1 in VGA mode only, GreatLord and HTO told me to
try last SVN builds, but I can't. 

I have tried to install and run Bootcd 26303 and 26305 releases.

When I try to boot from the cd I can see the first blue screen ReactOS 0.4 SVN
setup, then a black screen. 

I had already a problem that seems to be the same when installing ReactOs
0.3.1. So I tried the method I had already used to install ReactOS 0.3.1.(see
my topic , "ReactOS 0.3.1 : black screen when loading blue.sys".

To limit the riisk of corruption while the cd burning, I exctracted the
installation files from the iso image to copy them on the harddisk, I renamed
Setupldr.sys Freeldr.sys, inserted the bootcd in the drive and after the reboot
the setup started from the harddisk. But I got immediatly after the first blue
screen the same black screen I had seen when booting from the cd.

I tried to install with Freeldr.sys but the registry I had copied from ReactOS
0.3.1 was no more valid because Bootvid.sys has been replaced with Bootvid.dll.
It couldn't work

Finally I had another idea . I copied the folders extracted from ReactOS 0.3.1
release Bootcd to the harddisk , to boot from this device, but in the cdrom
drive, instead of ReactOS 0.3.1 release bootcd, I inserted SVN 26303 release
Bootcd . And at the reboot I got ReactOS 0.4 SVN setup, and the setup was
completed . I 'm sure it was ReactOS 0.4 SVN setup because  while copying the
files from the cd to the harddisk I could see how the different types of memory
were used. This feature doesn't exist in ReactOS 0.3.1. And after the setup I
could verify the size of Ntoskrnl.exe . It was the size of the file from the
SVN release.
I had used the kernel of ReactOS 0.3.1 to complete the setup of the SVN build.

To be sure to have no files corrupted while the cd burning , I replaced the
files copied from the cdrom with files exctracted from the the iso image.

I replaced Setupldr.sys with Freeldr.sys in the root folder. Alter the reboot
Freeldr.sys began to load files then I got the black screen. I removed all the
drivers to restore them one by one and I can say the display disappears after
loading bootvid.dll.

Either Ntoskrnl.exe(from the SVN release) can't run in my system, or
Ntoskrnl.exe can't load the file needed to display the next screen.

Should I verify something else ?

Thank you for your help.

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