Re: [Valgrind-users] Handling ioctl 0x30000001 in valgrind?

[Tom H. <to...@co...>]

On 17/03/15 08:44, Julian Seward wrote:
>
>> I added this entry to the filecoregrind/m_syswrap/syswrap-linux.c :
>>
>>     10166 PRE(0x30000001)
>>     10167 {
>>     10168         PRINT("NVIDIA UvmInitialize ioctl");
>>     10169 }
>
> The right place to add it is PRE(sys_ioctl) and POST(sys_ioctl).
>
> A more fundamental question is, are you running a kernel with NVidia-
> specific hacks?  What is this ioctl 0x30000001 ?  What does it do?  Is
> it in the mainline linux kernel sources?

There were a couple of previous threads back in January but I don't we 
ever really got to the bottom of that question...

Tom

-- 
Tom Hughes (to...@co...)
http://compton.nu/