On Sat, Dec 7, 2024 at 7:39 PM Max Kellermann <max.kellermann@xxxxxxxxx> wrote: > Here's a Brotli-compressed trace (of 6.12.3 + > dhowells/netfs-writeback). I can reproduce it this way: > > 1. log in via SSH (cm4all-lukko is our SSH server) > 2. "cp" a file on the Ceph home directory > 3. log out - bash hangs inside write(): Today, I took the time to bisect it, and the bisect arrived at first-bad commit 796a4049640b54cb1daf9e7fe543292c5ca02c74 ("netfs: In readahead, put the folio refs as soon extracted").