Re: 6.12 WARNING in netfs_consume_read_data()

[Max Kellermann]

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").