From: Chuck Lever <chuck.lever@oracle.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
Yosry Ahmed <yosryahmed@google.com>,
Nhat Pham <nphamcs@gmail.com>
Cc: linux-mm@kvack.org, kdevops@lists.linux.dev
Subject: BUG: "spinlock bad magic"
Date: Tue, 5 Mar 2024 12:49:20 -0500 [thread overview]
Message-ID: <ZedbIKi-FXx-iEno@manet.1015granger.net> (raw)
Hi-
I'm testing linux-next and am seeing this BUG pop soon after the
system boots. Afterwards the system seems otherwise healthy.
BUG: spinlock bad magic on CPU#3, kworker/3:1/41
lock: zswap+0xd0/0x140, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
CPU: 3 PID: 41 Comm: kworker/3:1 Not tainted 6.8.0-rc7-next-20240304 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014
Workqueue: cgroup_destroy css_killed_work_fn
Call Trace:
<TASK>
dump_stack_lvl+0x8d/0xb0
do_raw_spin_lock+0x15e/0x1b0
? __pfx_do_raw_spin_lock+0x10/0x10
? mark_held_locks+0x5d/0x90
zswap_memcg_offline_cleanup+0x15/0x50
mem_cgroup_css_offline+0x14a/0x1b0
? css_killed_work_fn+0x21/0x2c0
css_killed_work_fn+0xb6/0x2c0
process_one_work+0x4ac/0xb30
? __pfx_lock_acquire+0x10/0x10
? __pfx_process_one_work+0x10/0x10
? __list_add_valid_or_report+0x33/0xc0
worker_thread+0x392/0x680
? __kthread_parkme+0xdc/0x100
? __pfx_worker_thread+0x10/0x10
kthread+0x1ad/0x1f0
? kthread+0xf0/0x1f0
? __pfx_kthread+0x10/0x10
ret_from_fork+0x30/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
--
Chuck Lever
next reply other threads:[~2024-03-05 17:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-05 17:49 Chuck Lever [this message]
2024-03-05 18:00 ` BUG: "spinlock bad magic" Johannes Weiner
2024-03-05 18:09 ` Chuck Lever III
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