Fix levelzero empty symbol detect #5128
Merged
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we notice many users report ollama crash on Windows platform when ollama try to discover Intel GPUs after introducing Intel GPUs support.
this issue may occur on some older Intel CPUs which before 11Gen.
this is due to the driver library of iGPUs before 11Gen processors don't have the symbols which initial level-zero needed, like
zesInit
, and there is also a bug inoneapi_init
,l[i].p
is a pointer to pointer, func ptr stored in*l[i].p
so we should detect whether*l[i].p
is null ptr to check whether we load the func successfully.