linux-kernel - locking problems in iwlwifi? was Re: 6.16-rcX: crashing way too often on thinkpad X220

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Message-ID: <aIEC4t2EICdgomZV@duo.ucw.cz>
Date: Wed, 23 Jul 2025 17:42:26 +0200
From: Pavel Machek <pavel@....cz>
To: kernel list <linux-kernel@...r.kernel.org>, tglx@...utronix.de,
	mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
	x86@...nel.org, hpa@...or.com, peterz@...radead.org,
	will@...nel.org, longman@...hat.com,
	miriam.rachel.korenblit@...el.com, linux-wireless@...r.kernel.org
Subject: locking problems in iwlwifi? was Re: 6.16-rcX: crashing way too
 often on thinkpad X220

Hi!

> > I have had 4th or so crash with 6.16. That's not usual.
> 
> Two more crashes today. Last one was with 6.16-rc7+.

Did kernel boot on console (w/o X), and got this: not sure if it is
related.

Best regards,
								Pavel

...
[   18.466106] systemd-journald[1449]: File /var/log/journal/66f054f85acd4f7b9d2f07ff9b88ad15/user-1000.journal corrupted or uncleanly shut down, renaming and replacing.
[   21.302012] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[   21.598035] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[   24.925016] wlp3s0: authenticate with c8:3a:35:f0:ad:f1 (local address=a0:88:b4:62:a7:30)
[   24.925050] wlp3s0: send auth to c8:3a:35:f0:ad:f1 (try 1/3)
[   24.933544] wlp3s0: authenticated
[   24.937771] wlp3s0: associate with c8:3a:35:f0:ad:f1 (try 1/3)
[   24.941781] wlp3s0: RX AssocResp from c8:3a:35:f0:ad:f1 (capab=0x411 status=0 aid=8)
[   24.963083] wlp3s0: associated
[   25.625057] bcache: register_bdev() registered backing device sda2
[   26.635587] EXT4-fs (bcache0): recovery complete
[   26.652144] EXT4-fs (bcache0): mounted filesystem 233f8e6b-8b89-4425-9eb4-8cb18077dd52 r/w with ordered data mode. Quota mode: disabled.
[   30.062975] Adding 9878100k swap on /dev/sdb1.  Priority:-2 extents:1 across:9878100k SS
[  402.124881] wlp3s0: deauthenticated from c8:3a:35:f0:ad:f1 (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA)
[  402.125635] ------------[ cut here ]------------
[  402.125638] raw_local_irq_restore() called with IRQs enabled
[  402.125645] WARNING: CPU: 3 PID: 387 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x25/0x30
[  402.125654] Modules linked in:
[  402.125661] CPU: 3 UID: 0 PID: 387 Comm: kworker/u16:5 Tainted: G S                  6.16.0-rc7+ #303 PREEMPT(voluntary) 
[  402.125667] Tainted: [S]=CPU_OUT_OF_SPEC
[  402.125668] Hardware name: LENOVO 4291W3B/4291W3B, BIOS 8DET73WW (1.43 ) 10/12/2016
[  402.125671] Workqueue: events_unbound cfg80211_wiphy_work
[  402.125678] RIP: 0010:warn_bogus_irq_restore+0x25/0x30
[  402.125683] Code: 90 90 90 90 90 80 3d 51 3d dc 00 00 74 05 c3 cc cc cc cc 55 48 c7 c7 c0 4f c9 85 48 89 e5 c6 05 38 3d dc 00 01 e8 9b d8 e6 fe <0f> 0b 5d c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90
[  402.125686] RSP: 0018:ffffc9000173fb30 EFLAGS: 00010282
[  402.125691] RAX: 0000000000000000 RBX: ffffffff8616b460 RCX: 0000000000000000
[  402.125694] RDX: 0000000000000003 RSI: 0000000000000027 RDI: 00000000ffffffff
[  402.125696] RBP: ffffc9000173fb30 R08: 0000000028935f32 R09: 0000000000000001
[  402.125699] R10: 0000000000000044 R11: ffff888100ba52c8 R12: 0000000000000001
[  402.125702] R13: ffffc9000173fbcb R14: ffffffff84301224 R15: 0000000000000000
[  402.125704] FS:  0000000000000000(0000) GS:ffff88829007f000(0000) knlGS:0000000000000000
[  402.125707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  402.125710] CR2: 000055967d471ee0 CR3: 0000000006046001 CR4: 00000000000606b0
[  402.125713] Call Trace:
[  402.125716]  <TASK>
[  402.125719]  console_flush_all+0x41e/0x460
[  402.125725]  ? console_flush_all+0x43/0x460
[  402.125735]  console_unlock+0x55/0x100
[  402.125741]  vprintk_emit+0x157/0x320
[  402.125748]  vprintk_default+0x18/0x20
[  402.125752]  vprintk+0x9/0x10
[  402.125756]  _printk+0x52/0x70
[  402.125766]  ieee80211_sta_rx_queued_mgmt+0x4c8/0xd30
[  402.125775]  ? __this_cpu_preempt_check+0x13/0x20
[  402.125784]  ieee80211_iface_work+0x3ad/0x500
[  402.125792]  cfg80211_wiphy_work+0xbf/0xe0
[  402.125799]  process_one_work+0x3fb/0x500
[  402.125805]  ? process_one_work+0x3bf/0x500
[  402.125809]  ? process_one_work+0x3bf/0x500
[  402.125813]  ? process_one_work+0x3bf/0x500
[  402.125822]  worker_thread+0x189/0x340
[  402.125828]  ? __pfx_worker_thread+0x10/0x10
[  402.125834]  kthread+0x104/0x260
[  402.125840]  ? __pfx_kthread+0x10/0x10
[  402.125846]  ret_from_fork+0x7d/0xe0
[  402.125852]  ? __pfx_kthread+0x10/0x10
[  402.125857]  ret_from_fork_asm+0x1a/0x30
[  402.125870]  </TASK>
[  402.125872] ---[ end trace 0000000000000000 ]---
[  402.267771] wlp3s0: authenticate with c8:3a:35:f0:ad:f1 (local address=a0:88:b4:62:a7:30)
[  402.268566] wlp3s0: send auth to c8:3a:35:f0:ad:f1 (try 1/3)
[  402.277687] wlp3s0: authenticated
[  402.280664] wlp3s0: associate with c8:3a:35:f0:ad:f1 (try 1/3)
[  402.285133] wlp3s0: RX AssocResp from c8:3a:35:f0:ad:f1 (capab=0x411 status=0 aid=7)
[  402.306254] wlp3s0: associated



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