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| author | Andreas Kling <kling@serenityos.org> | 2022-04-04 16:52:32 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-04-04 17:10:30 +0200 |
| commit | 9bb45ab3a6ffa86a12d32b81385141d9f99e2551 (patch) | |
| tree | d9afd4884037c7593b49b32d1c02fb56234a4dc8 /Kernel/Memory | |
| parent | 5560d8a25dd380c60bddb21944aa79d1322129b9 (diff) | |
| download | serenity-9bb45ab3a6ffa86a12d32b81385141d9f99e2551.zip | |
Kernel: Add debug logging to learn more about unexpected NP faults
Diffstat (limited to 'Kernel/Memory')
| -rw-r--r-- | Kernel/Memory/Region.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Kernel/Memory/Region.cpp b/Kernel/Memory/Region.cpp index f12ad9d0c5..b59eaa8247 100644 --- a/Kernel/Memory/Region.cpp +++ b/Kernel/Memory/Region.cpp @@ -382,6 +382,12 @@ PageFaultResponse Region::handle_fault(PageFault const& fault) return PageFaultResponse::Continue; } dbgln("BUG! Unexpected NP fault at {}", fault.vaddr()); + dbgln(" - Physical page slot pointer: {:p}", page_slot.ptr()); + if (page_slot) { + dbgln(" - Physical page: {}", page_slot->paddr()); + dbgln(" - Lazy committed: {}", page_slot->is_lazy_committed_page()); + dbgln(" - Shared zero: {}", page_slot->is_shared_zero_page()); + } return PageFaultResponse::ShouldCrash; } VERIFY(fault.type() == PageFault::Type::ProtectionViolation); |