Luben Tuikov [off-list ref] writes:
$GIT_DIR=. git-fsck-objects --full
error: Packfile ./objects/pack/pack-8cafdff4eb66bb2219016e4c0817cdb5cb326ab6.pack SHA1 mismatch
with itself
Nothing rings a bell other than:
commit 8977c110b5bbd230c28c727ddb85856067d55cfb
Author: Junio C Hamano [off-list ref]
Date: Wed Jan 3 23:09:08 2007 -0800
pack-check.c::verify_packfile(): don't run SHA-1 update on huge data
which is in 1.4.4.4. 'master' has an equilvalent due to the use
of sliding mmap.