Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756453Ab1DOS4g (ORCPT ); Fri, 15 Apr 2011 14:56:36 -0400 Received: from lennier.cc.vt.edu ([198.82.162.213]:33251 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752783Ab1DOS4f (ORCPT ); Fri, 15 Apr 2011 14:56:35 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.3-dev To: akpm@linux-foundation.org, Tejun Heo , Ingo Molnar , Peter Zijlstra Cc: linux-kernel@vger.kernel.org Subject: Re: mmotm 2011-04-14 - hangs during boot. In-Reply-To: Your message of "Fri, 15 Apr 2011 10:57:09 EDT." <9629.1302879429@localhost> From: Valdis.Kletnieks@vt.edu References: <201104142244.p3EMiWTC010977@imap1.linux-foundation.org> <9629.1302879429@localhost> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1302893631_5065P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Fri, 15 Apr 2011 14:53:51 -0400 Message-ID: <6325.1302893631@localhost> X-Mirapoint-Received-SPF: 198.82.161.152 auth3.smtp.vt.edu Valdis.Kletnieks@vt.edu 2 pass X-Mirapoint-IP-Reputation: reputation=neutral-1, source=Fixed, refid=n/a, actions=MAILHURDLE SPF TAG X-Junkmail-Status: score=10/50, host=steiner.cc.vt.edu X-Junkmail-Signature-Raw: score=unknown, refid=str=0001.0A020205.4DA89442.0014,ss=1,fgs=0, ip=0.0.0.0, so=2010-07-22 22:03:31, dmn=2009-09-10 00:05:08, mode=single engine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5609 Lines: 139 --==_Exmh_1302893631_5065P Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable On Fri, 15 Apr 2011 10:57:09 EDT, Valdis.Kletnieks=40vt.edu said: > On Thu, 14 Apr 2011 15:08:47 PDT, akpm=40linux-foundation.org said: > > The mm-of-the-moment snapshot 2011-04-14-15-08 has been uploaded to > >=20 > > http://userweb.kernel.org/=7Eakpm/mmotm/ >=20 > This throws at least two complaints about lockdep on the way up. I've = had > several complete hangs as well last night during boot=20 Caught them. Not sure how the WARN_ON_ONCE it's hitting just before it h= angs is related to the actual hang, but I'm betting it's the kernel's last pla= intive cry for help before everything grinds to a halt. First boot: =5B 3.852927=5D input: PS/2 Generic Mouse as /devices/platform/i8042/s= erio1/input/input10 =5B 3.859723=5D ------------=5B cut here =5D------------ =5B 3.859859=5D WARNING: at kernel/workqueue.c:1217 worker_enter_idle+= 0x168/0x19f() =5B 3.859984=5D Hardware name: Latitude E6500 =5B 3.860089=5D Modules linked in: =5B 3.860308=5D Pid: 11, comm: kworker/1:0 Not tainted 2.6.39-rc3-mmot= m0414 =231 =5B 3.860428=5D Call Trace: =5B 3.860531=5D =5B=5D warn_slowpath_common+0x7e/0x= 96 =5B 3.860640=5D =5B=5D warn_slowpath_null+0x15/0x17= =5B 3.860677=5D =5B=5D worker_enter_idle+0x168/0x19= f =5B 3.860677=5D =5B=5D worker_thread+0x1ed/0x206 =5B 3.860677=5D =5B=5D ? manage_workers+0xc0/0xc0 =5B 3.860677=5D =5B=5D kthread+0x7f/0x87 =5B 3.860677=5D =5B=5D kernel_thread_helper+0x4/0x1= 0 =5B 3.860677=5D =5B=5D ? retint_restore_args+0xe/0x= e =5B 3.860677=5D =5B=5D ? __init_kthread_worker+0x55= /0x55 =5B 3.860677=5D =5B=5D ? gs_change+0xb/0xb =5B 3.860677=5D ---=5B end trace 64d29d8be7ad450b =5D--- and wham it was dead hard at that point,no further output. Next boot, it= hit again, and lived a while longer: =5B 3.983798=5D input: PS/2 Generic Mouse as /devices/platform/i8042/s= erio1/input/input10 =5B 3.993411=5D ------------=5B cut here =5D------------ =5B 3.993531=5D WARNING: at kernel/workqueue.c:1217 worker_enter_idle+= 0x168/0x19f() =5B 3.993658=5D Hardware name: Latitude E6500 =5B 3.993764=5D Modules linked in: =5B 3.993951=5D Pid: 482, comm: kworker/1:1 Not tainted 2.6.39-rc3-mmo= tm0414 =231 =5B 3.994065=5D Call Trace: =5B 3.994173=5D =5B=5D warn_slowpath_common+0x7e/0x= 96 =5B 3.994282=5D =5B=5D warn_slowpath_null+0x15/0x17= =5B 3.994381=5D =5B=5D worker_enter_idle+0x168/0x19= f =5B 3.994381=5D =5B=5D worker_thread+0x1ed/0x206 =5B 3.994381=5D =5B=5D ? manage_workers+0xc0/0xc0 =5B 3.994381=5D =5B=5D kthread+0x7f/0x87 =5B 3.994381=5D =5B=5D kernel_thread_helper+0x4/0x1= 0 =5B 3.994381=5D =5B=5D ? retint_restore_args+0xe/0x= e =5B 3.994381=5D =5B=5D ? __init_kthread_worker+0x55= /0x55 =5B 3.994381=5D =5B=5D ? gs_change+0xb/0xb =5B 3.994381=5D ---=5B end trace 604fcd3646d16bcd =5D--- =5B 4.141467=5D udevadm used greatest stack depth: 4352 bytes left =5B 4.225220=5D usb 1-4.1: new low speed USB device number 5 using ehc= i_hcd =5B 4.326710=5D usb 1-4.1: New USB device found, idVendor=3D045e, idPr= oduct=3D0023 =5B 4.326831=5D usb 1-4.1: New USB device strings: Mfr=3D1, Product=3D= 2, SerialNumber=3D0 =5B 4.326959=5D usb 1-4.1: Product: Microsoft Trackball Optical=C2=AE =5B 4.327105=5D usb 1-4.1: Manufacturer: Microsoft =5B 4.338620=5D input: Microsoft Microsoft Trackball Optical=C2=AE as = /devices/pci0000:00/0000:00:1a.7/sb1/1-4/1-4.1/1-4.1:1.0/input/input11 =5B 4.339775=5D generic-usb 0003:045E:0023.0001: input,hidraw0: USB HI= D v1.00 Mouse =5BMicrosoft Micr osoft Trackball Optical=C2=AE=5D on usb-0000:00:1a.7-4.1/input0 =5B 4.413229=5D usb 1-4.2: new full speed USB device number 6 using eh= ci_hcd =5B 4.467320=5D dracut: luksOpen /dev/sda2 luks-715ceabf-6f58-4251-937= 3-ed29e8629a7c =5B 4.498856=5D usb 1-4.2: New USB device found, idVendor=3D0451, idPr= oduct=3D1446 =5B 4.498998=5D usb 1-4.2: New USB device strings: Mfr=3D0, Product=3D= 0, SerialNumber=3D0 =5B 4.500490=5D hub 1-4.2:1.0: USB hub found =5B 4.500704=5D hub 1-4.2:1.0: 4 ports detected =5B 4.707088=5D usb 5-1: new full speed USB device number 2 using uhci= _hcd =5B 4.875565=5D usb 5-1: New USB device found, idVendor=3D0a5c, idProd= uct=3D5800 =5B 4.875684=5D usb 5-1: New USB device strings: Mfr=3D1, Product=3D2,= SerialNumber=3D3 =5B 4.875805=5D usb 5-1: Product: 5880 but it then didn't accept keyboard input from the USB keyboard and acted = pretty dead. Any ideas, or am I looking at a weekend of bisecting? ;) --==_Exmh_1302893631_5065P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFNqJQ/cC3lWbTT17ARAt8LAJ9rnm0X5Jxw+/NQqU1bWRIFEKXsEwCdGJMY D1e1C0EJPTh8oEjViYE60pc= =Ist+ -----END PGP SIGNATURE----- --==_Exmh_1302893631_5065P-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/