On 21.12.23 12:23, Oliver Sang wrote:
hi, Andrew Morton,
On Wed, Dec 20, 2023 at 02:11:35PM -0800, Andrew Morton wrote:
On Tue, 19 Dec 2023 23:46:50 +0800 kernel test robot <oliver.sang@xxxxxxxxx> wrote:
Hello,
kernel test robot noticed "kernel_BUG_at_mm/memory.c" on:
commit: bbcbf2a3f05f74f9d268eab57abbdce6a65a94ad ("mm: convert ksm_might_need_to_copy() to work on folios")
I assume this is a bisection result, so it's quite repeatable?
yes, we bisect to this commit, it's quite repeatable:
ddd06bb63d9793ce bbcbf2a3f05f74f9d268eab57ab
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:6 100% 6:6 dmesg.Kernel_panic-not_syncing:Fatal_exception
:6 100% 6:6 dmesg.RIP:do_swap_page
:6 100% 6:6 dmesg.invalid_opcode:#[##]
:6 100% 6:6 dmesg.kernel_BUG_at_mm/memory.c
Can you try with the snipped I sent? Please let me know if you need a
full patch for testing purposes.
--
Cheers,
David / dhildenb