From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750741AbXAPSWs (ORCPT ); Tue, 16 Jan 2007 13:22:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750791AbXAPSWs (ORCPT ); Tue, 16 Jan 2007 13:22:48 -0500 Received: from mx6.mail.ru ([194.67.23.26]:18204 "EHLO mx6.mail.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750741AbXAPSWr (ORCPT ); Tue, 16 Jan 2007 13:22:47 -0500 From: Andrey Borzenkov To: linux-usb-devel@lists.sourceforge.net Subject: 2.6.20-rc5: BUG: lock held at task exit time! (pm_mutex){--..}, at: [] enter_state+0x3f/0x170 Date: Tue, 16 Jan 2007 21:22:39 +0300 User-Agent: KMail/1.9.5 Cc: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200701162122.42581.arvidjaar@mail.ru> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I have Toshiba Portege 4000 that almost always hangs dead resuming from STR. This was better before 2.6.18, since then STR is unusable. Sometimes it manages to resume; yesterday I got on console and in dmesg: ===================================== [ BUG: lock held at task exit time! ] - ------------------------------------- echo/28793 is exiting with locks still held! 1 lock held by echo/28793: #0: (pm_mutex){--..}, at: [] enter_state+0x3f/0x170 stack backtrace: [] show_trace_log_lvl+0x1a/0x30 [] show_trace+0x12/0x20 [] dump_stack+0x16/0x20 [] debug_check_no_locks_held+0x87/0x90 [] do_exit+0x4db/0x820 [] do_group_exit+0x29/0x70 [] sys_exit_group+0xf/0x20 [] sysenter_past_esp+0x5f/0x99 ======================= I have a bug report about resume issue but I may have wrongly attributed it to ACPI: http://bugzilla.kernel.org/show_bug.cgi?id=7499 echo mentioned here comes from "echo ... > /sys/power/state" I have been suspecting ACPI because another permanent bug I have is lockup using acpi_cpufreq and ondemand governor ... but it may be red herring (although it is annoying). {pts/0}% lspci 00:00.0 Host bridge: ALi Corporation M1644/M1644T Northbridge+Trident (rev 01) 00:01.0 PCI bridge: ALi Corporation PCI to AGP Controller 00:02.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03) 00:04.0 IDE interface: ALi Corporation M5229 IDE (rev c3) 00:06.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 01) 00:07.0 ISA bridge: ALi Corporation M1533/M1535 PCI to ISA Bridge [Aladdin IV/V/V+] 00:08.0 Bridge: ALi Corporation M7101 Power Management Controller [PMU] 00:0a.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 00:10.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 01) 00:11.0 CardBus bridge: Toshiba America Info Systems ToPIC100 PCI to Cardbus Bridge with ZV Support (rev 32) 00:11.1 CardBus bridge: Toshiba America Info Systems ToPIC100 PCI to Cardbus Bridge with ZV Support (rev 32) 00:12.0 System peripheral: Toshiba America Info Systems SD TypA Controller (rev 03) 01:00.0 VGA compatible controller: Trident Microsystems CyberBlade XPAi1 (rev 82) {pts/0}% lsmod Module Size Used by snd_seq_dummy 3556 0 snd_seq_oss 32176 0 snd_seq_midi_event 7496 1 snd_seq_oss snd_seq 50808 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_seq_device 8180 3 snd_seq_dummy,snd_seq_oss,snd_seq snd_pcm_oss 43168 0 snd_mixer_oss 16104 1 snd_pcm_oss snd_ali5451 23644 0 snd_ac97_codec 97116 1 snd_ali5451 snd_pcm 79564 3 snd_pcm_oss,snd_ali5451,snd_ac97_codec snd_timer 23164 2 snd_seq,snd_pcm snd_page_alloc 9832 1 snd_pcm snd 53956 9 snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_ali5451,snd_ac97_codec,snd_pcm,snd_timer soundcore 7776 1 snd e100 35968 0 mii 5472 1 e100 nls_iso8859_1 3968 0 nls_cp866 5056 0 vfat 12672 0 fat 52436 1 vfat sg 35716 0 usb_storage 78816 0 bluetooth 54916 0 autofs4 21524 0 af_packet 21872 4 ac97_bus 2496 1 snd_ac97_codec smsc_ircc2 17828 0 irnet 24532 0 ppp_generic 29188 1 irnet slhc 6624 1 ppp_generic irtty_sir 6016 0 sir_dev 14476 1 irtty_sir ircomm_tty 24784 0 ircomm 13828 1 ircomm_tty irda 119528 5 smsc_ircc2,irnet,sir_dev,ircomm_tty,ircomm crc_ccitt 1984 1 irda binfmt_misc 12072 1 loop 16504 0 dm_mod 58452 0 video 15460 0 toshiba_acpi 6328 0 backlight 6176 1 toshiba_acpi thermal 13704 0 sbs 14840 0 processor 23372 1 thermal i2c_ec 4704 1 sbs i2c_core 22608 1 i2c_ec fan 4516 0 container 4160 0 button 7632 0 battery 9604 0 ac 4900 0 wlags49_h1_cs 181844 1 pcmcia 38496 1 wlags49_h1_cs firmware_class 9728 1 pcmcia yenta_socket 26764 5 tsdev 7648 0 mousedev 11752 1 evdev 9952 2 rsrc_nonstatic 11456 1 yenta_socket pcmcia_core 40344 3 pcmcia,yenta_socket,rsrc_nonstatic ali_agp 6976 1 agpgart 32068 1 ali_agp nvram 8904 0 toshiba 4472 0 psmouse 38472 0 ohci_hcd 21356 0 usbcore 136560 3 usb_storage,ohci_hcd sr_mod 17412 0 reiserfs 248108 1 sd_mod 20448 3 pata_ali 12012 2 libata 108348 1 pata_ali scsi_mod 141032 5 sg,usb_storage,sr_mod,sd_mod,libata atkbd 17656 0 libps2 7240 2 psmouse,atkbd i8042 19160 0 serio 17240 5 psmouse,atkbd,i8042 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFFrRfyR6LMutpd94wRAlIdAJwN8RIR8V35U0xIJtxfVtUmt04R2wCgx95W GU0yt1WyY896Zy7NwwMDwNI= =ea9j -----END PGP SIGNATURE-----