Comment # 30
on bug 106258
from Michel Dänzer
I suspect there's an issue in amdgpu_vm_bo_split_mapping, e.g. this code looks
suspicious:
if (pages_addr) {
uint64_t count;
max_entries = min(max_entries, 16ull * 1024ull);
for (count = 1; count < max_entries; ++count) {
uint64_t idx = pfn + count;
if (pages_addr[idx] !=
(pages_addr[idx - 1] + PAGE_SIZE))
break;
}
count is compared to max_entries, which is a number of GPU pages, but is also
added to pfn, which is a number of CPU pages.
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