[ros-dev] Page protection ldr change breaks VMware SVGA driver

[Mark Tempel]

I'm getting the latest code right now, and I'll try again....

Thanks,

--mark

Hartmut Birr wrote:

>Hi,    
>
>do you use the latest cvs? I've loaded vmx_svga.sys in bochs and don't get
>crash. I've added some debug code in LdrLookupPageProtection and can see
>that the rva 2000h is set to PAGE_EXECUTE_READWRITE. Your crash occurs at
>rva 2c60h. This address should be writable after my fix.   
>
>- Hartmut
>
>  
>
>>-----Original Message-----
>>From: ros-dev-bounces at reactos.com 
>>[mailto:ros-dev-bounces at reactos.com] On Behalf Of Mark Tempel
>>Sent: Wednesday, September 29, 2004 4:13 AM
>>To: ReactOS Development List
>>Subject: Re: [ros-dev] Page protection ldr change breaks 
>>VMware SVGA driver
>>
>>
>>Hi all...
>>
>>Just got the latest source, but I'm still getting a crash 
>>when trying to 
>>load ROS with the vmware video driver. I'm choosing 1024x768 
>>and 16bit 
>>mode...
>>
>>here is the debug output:
>>
>>(ke/i386/kernel.c:327) CPU Vendor: GenuineIntel
>>(ke/i386/kernel.c:331) CPU Model:          Intel(R) Pentium(R) M 
>>processor 1400MHz
>>(ke/i386/kernel.c:334) Ke386CacheAlignment: 64
>>DriverBase for \SystemRoot\system32\drivers\pci.sys: dcada000
>>Peripheral Component Interconnect Bus Driver
>>DriverBase for scsiport.sys: dcae4000
>>DriverBase for atapi.sys: dcaf0000
>>DriverBase for class2.sys: dcaff000
>>DriverBase for disk.sys: dcb09000
>>DriverBase for vfatfs.sys: dcb11000
>>DriverBase for bootvid.sys: dcb26000
>>DriverBase for ndis.sys: dcb46000
>>DriverBase for \SystemRoot\system32\drivers\pcntn5m.sys: dcb85000
>>DriverBase for \SystemRoot\system32\drivers\vmx_svga.sys: dcb97000
>>DriverBase for \SystemRoot\system32\drivers\VIDEOPRT.SYS: dcbb7000
>>KeBugCheckWithTf at ke/catch.c:164
>>Bug detected (code 1e param 0 0 0 0)
>>  KMODE_EXCEPTION_NOT_HANDLED
>>
>>
>>Page Fault Exception: 14(3)
>>Processor: 0 CS:EIP 8:dcb99451 <vmx_svga.sys: 2451>
>>cr2 dcb99c60 cr3 2a6000 Proc: c0261010 Pid: 1 <SYSTEM> Thrd: 
>>c0261d58 Tid: 1
>>DS 10 ES 10 FS 30 GS 10
>>EAX: 00000000   EBX: c0318214   ECX: 00000000
>>EDX: 00000000   EBP: c00b0a08   ESI: dcb974d0   ESP: c00b08c8
>>EDI: 0000000b   EFLAGS: 00210246 kESP c00b08c8 kernel stack 
>>base c00ae000
>>Frames: <vmx_svga.sys: 1c0f> <VIDEOPRT.SYS: 22d3> 
>><VIDEOPRT.SYS: 10a5> 
>><ntoskrnl.exe: 3297c> <ntoskrnl.exe: 3c922> <ntoskrnl.exe: 3c991> 
>><ntoskrnl.exe: 3bf54> <ntoskrnl.exe: 3bf8c> <ntoskrnl.exe: 3bf8c> 
>><ntoskrnl.exe: 3bfd2> <ntoskrnl.exe: 3c9f7> <C0092AF1>
>>
>>    
>>
>
>_______________________________________________
>Ros-dev mailing list
>Ros-dev at reactos.com
>http://reactos.com:8080/mailman/listinfo/ros-dev
>
>
>  
>