ethash::(anonymous namespace)::fnv1 (v=..., u=...) at crypto/ethash/lib/ethash/ethash.cpp:44
44              r.word32s[i] = fnv1(u.word32s[i], v.word32s[i]);
(gdb) bt
#0  ethash::(anonymous namespace)::fnv1 (v=..., u=...) at crypto/ethash/lib/ethash/ethash.cpp:44
#1  ethash::item_state::update (round=180, this=0xffffcfffbe00) at crypto/ethash/lib/ethash/ethash.cpp:203
#2  ethash::calculate_dataset_item_2048 (context=..., index=<optimized out>) at crypto/ethash/lib/ethash/ethash.cpp:245
#3  0x0000aaaaab16d350 in progpow::(anonymous namespace)::round (    lookup=0xaaaaab16b920 <ethash::calculate_dataset_item_2048(ethash_epoch_context const&, unsigned int)>, state=..., mix=..., r=62,  context=...) at crypto/ethash/lib/ethash/progpow.cpp:165
#4  progpow::(anonymous namespace)::hash_mix (context=..., block_number=block_number@entry=24121, seed=seed@entry=0xffffcfffcbb8, lookup=0xaaaaab16b920 <ethash::calculate_dataset_item_2048(ethash_epoch_context const&, unsigned int)>) at crypto/ethash/lib/ethash/progpow.cpp:257
#5  0x0000aaaaab16da9c in progpow::hash (context=..., block_number=24121, header_hash=..., nonce=<optimized out>) at crypto/ethash/lib/ethash/progpow.cpp:310
#6  0x0000aaaaab0f5bd0 in ProgPowHash (blockHeader=..., mix_hash=...) at /usr/include/c++/9/bits/unique_ptr.h:360