From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9BAAA242D8B; Fri, 25 Jul 2025 19:05:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.255.230.98 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753470351; cv=none; b=qRBnYasamxWG5WfLvWfEMApZTPGTVwcApgp6mToD2iXt6T2WqyXERliAAxCP/zOLkCxLbAFr1C7iArv2XmxdESz52s0v3E0YOyUHaGPYz58+O7fT9TtMrJbDfL5tZyZP+MClma7PREoryBTWSscAtv4JjQ7vcfwSArp0AWTxQCI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753470351; c=relaxed/simple; bh=mELrDtWGMI1QG93gjCIPHgENUspiCmDd8aU++jDSiTc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NA00brlG377Ln273LYJB+4ev+Oz3u9ot8+wOApZVfIZi1/2GiSPPKvL1XxFMHcNk9NyUiW6DlSbLQXa+51chC7tnpkDp9YUb8XoMUepLcDHsFSRzT147JGvO8ETLPxvzMQnkVql0CUQnpmAJjYdAbmb234RyOK4t0sOsMG4lwO0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz; spf=pass smtp.mailfrom=ucw.cz; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b=QFoQcRq2; arc=none smtp.client-ip=46.255.230.98 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ucw.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b="QFoQcRq2" Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 3ABAA1C00BE; Fri, 25 Jul 2025 21:05:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1753470339; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VZp/qEMObXUYLMGlCigrDo0ItwQbn1PmLGaupHV3qjI=; b=QFoQcRq2Js10wMhwWRp3uNsPd4UFFlI2SejV8t4oIKRVzuO4bRePabMMJ5senQgpk0vM9I /cbJb4xhuXguIPU3QqL/80c/+OzQhrehH2K9j+yXqmVrLc1ouRcbxOly4uRokS8XGn0jjc nG6zfZlsYEqn+wGbSx1xdBRA3yOjQes= Date: Fri, 25 Jul 2025 21:05:38 +0200 From: Pavel Machek To: Thomas Gleixner Cc: Waiman Long , kernel list , mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, peterz@infradead.org, will@kernel.org, miriam.rachel.korenblit@intel.com, linux-wireless@vger.kernel.org, Petr Mladek , John Ogness , Greg Kroah-Hartman , Jiri Slaby , Tejun Heo , Simona Vetter , Thierry Reding Subject: Re: locking problems in iwlwifi? was Re: 6.16-rcX: crashing way too often on thinkpad X220 Message-ID: References: <874iv2stk3.ffs@tglx> <87zfcurexx.ffs@tglx> <71548e22-9f3c-469e-a59d-f921da59d927@redhat.com> <877bzxqo39.ffs@tglx> <87v7ngpa43.ffs@tglx> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="O5ZViAcPiKIAYIsP" Content-Disposition: inline In-Reply-To: <87v7ngpa43.ffs@tglx> --O5ZViAcPiKIAYIsP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > Enable framebuffer and framebuffer console. Add console=3Dtty0 to the > kernel command line. >=20 > Log into FB console and do >=20 > # echo -e '\033[?17;0;64c' >=20 > which enables the software cursor, which in turn enables the above > conditional invocation of fbcon_del_cursor_work(). Then force a printk >=20 > # echo h >/proc/sysrq-trigger >=20 > and watch the show. Heh, fun. Yes, long, long time ago I enabled software cursor. I don't normally use the console these days, but I switched to console for debugging the wireless problem -- hoping I would catch some kind of backtrace on the console. Best regards, Pavel --=20 I don't work for Nazis and criminals, and neither should you. Boycott Putin, Trump, and Musk! --O5ZViAcPiKIAYIsP Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCaIPVggAKCRAw5/Bqldv6 8uTTAJ9Ldr9q7FUaylsnXpqczYVGRjRQHgCgrHnzq+tSSm5J4hfZN2Nkc1plxnQ= =geVZ -----END PGP SIGNATURE----- --O5ZViAcPiKIAYIsP--