amoeba commented on issue #41813:
URL: https://github.com/apache/arrow/issues/41813#issuecomment-2166994366
I did get more info from a debug build, so this is something to go off of:
```
* thread #18, name = 'R', stop reason = signal SIGSEGV: invalid address
(fault address: 0x7ff551565330)
frame #0: 0x00007fffe8bc1e11 libarrow.so.1700`unsigned long
arrow::compute::Compare8_avx2<4>(left_base="\xe6\a", right_base="\xe4\a",
irow_left_first=784, offset_right=([0] = 82491328, [1] = 5718977208514924784,
[2] = 5718727617226473472, [3] = 1723092364720968600), bit_offset=0) at
compare_internal_avx2.cc:333:19
330 ARROW_DCHECK(false);
331 }
332
-> 333 __m256i right = _mm256_i32gather_epi32((const
int*)right_base, offset_right, 1);
334 if (column_width != sizeof(uint32_t)) {
335 constexpr uint32_t mask = column_width == 0 || column_width
== 1 ? 0xff : 0xffff;
336 right = _mm256_and_si256(right, _mm256_set1_epi32(mask));
(lldb) p right_base
(const uint8_t *) $0 = 0x00007ff5d1400240 "\xe4\a"
(lldb) p offset_right
(__m256i) $1 = (82491328, 5718977208514924784, 5718727617226473472,
1723092364720968600)
```
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