Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752703Ab2BRNtj (ORCPT ); Sat, 18 Feb 2012 08:49:39 -0500 Received: from out5-smtp.messagingengine.com ([66.111.4.29]:35595 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752226Ab2BRNtg (ORCPT ); Sat, 18 Feb 2012 08:49:36 -0500 X-Sasl-enc: tSN96D4WHQJI0YEsNsCmRL/ZNwu0k2nXu2hWZSzCn++D 1329572975 Message-ID: <4F3FAC6E.4020001@imap.cc> Date: Sat, 18 Feb 2012 14:49:34 +0100 From: Tilman Schmidt User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.2.24) Gecko/20111101 SUSE/3.1.16 Thunderbird/3.1.16 MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: detected stall on CPU 1 (t=0 jiffies) - huh? X-Enigmail-Version: 1.1.2 Content-Type: multipart/mixed; boundary="------------010908000102050700000102" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 11368 Lines: 226 This is a multi-part message in MIME format. --------------010908000102050700000102 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 8bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Last night my working machine produced the attached kernel messages. The machine was completely idle at the time. If I understand Documentation/RCU/stallwarn.txt and kernel/linux/kernel/rcutree.c correctly, "t=0 jiffies" is somewhat nonsensical. uname -a says: Linux xenon 3.2.2-capigig #1 SMP PREEMPT Sat Jan 28 01:59:16 CET 2012 x86_64 x86_64 x86_64 GNU/Linux The processor is a dual core Intel Pentium D. The taint is from the VirtualBox modules, in case it matters. Should I just ignore that message? - -- Tilman Schmidt E-Mail: tilman@imap.cc Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Unge?ffnet mindestens haltbar bis: (siehe R?ckseite) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/ iEYEARECAAYFAk8/rG4ACgkQQ3+did9BuFv8dwCfSSaVbbxc4twuBL7SwHTWxCAY eF0An0zXGf7dDmu4wVu48yu8e9y25Y5Z =N9Xg -----END PGP SIGNATURE----- --------------010908000102050700000102 Content-Type: text/plain; name="rcu-stall.txt" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="rcu-stall.txt" [1389988.051712] [drm] nouveau 0000:01:00.0: Setting dpms mode 3 on tmds = encoder (output 3) [1396398.635011] INFO: rcu_bh detected stall on CPU 1 (t=3D0 jiffies) [1396398.635011] sending NMI to all CPUs: [1396398.635011] NMI backtrace for cpu 1 [1396398.635011] CPU 1=20 [1396398.635011] Modules linked in: nls_utf8 sha256_generic ansi_cprng kr= ng eseqiv rng cryptd crypto_wq aes_x86_64 aes_generic cbc cryptomgr aead = pcompress dm_crypt crypto_hash crypto_blkcipher crypto_algapi nls_iso8859= _1 nls_cp437 vfat fat ip6t_LOG xt_pkttype ipt_LOG xt_limit xt_tcpudp vbox= pci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) fuse af_packet edd ip6t_REJ= ECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT i= ptable_raw iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conn= track_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack n= f_conntrack ip6table_filter ip6_tables x_tables snd_pcm_oss snd_mixer_oss= cpufreq_conservative cpufreq_userspace snd_seq cpufreq_powersave snd_seq= _device acpi_cpufreq mperf capi usblp bas_gigaset gigaset kernelcapi crc_= ccitt snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm oss= t snd_timer e1000e sg st ppdev sr_mod cdrom firewire_ohci firewire_core s= nd iTCO_wdt crc_itu_t i2c_i801 snd_page_alloc pcspkr iTCO_vendor_support = parport_pc tpm_tis parport tpm tpm_bios ext4 jbd2 crc16 linear raid456 as= ync_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx rai= d10 raid1 raid0 nouveau ttm drm_kms_helper drm i2c_algo_bit mxm_wmi wmi v= ideo intel_agp button intel_gtt dm_snapshot dm_mod fan processor thermal = thermal_sys aic7xxx scsi_transport_spi ata_generic pata_marvell [1396398.635011]=20 [1396398.635011] Pid: 14294, comm: firefox-bin Tainted: G W O 3.2= =2E2-capigig #1 /DQ965GF [1396398.635011] RIP: 0010:[] [] __s= w_hweight64+0x67/0x67 [1396398.635011] RSP: 0000:ffff8801a7c83da0 EFLAGS: 00000006 [1396398.635011] RAX: ffff88019aca5fd8 RBX: 0000000000002710 RCX: 0000000= 0ffffffff [1396398.635011] RDX: 0000000000000000 RSI: 0000000000000c00 RDI: 0000000= 000000001 [1396398.635011] RBP: ffff8801a7c83dd8 R08: 0000000000000002 R09: 0000000= 000000000 [1396398.635011] R10: ffffffff81a170c0 R11: 0000000000000000 R12: 0000000= 00030c762 [1396398.635011] R13: ffffffff81a1ff00 R14: 0000000000000000 R15: 7ffffff= fffffffff [1396398.635011] FS: 00007f218b7c6720(0000) GS:ffff8801a7c80000(0000) kn= lGS:0000000000000000 [1396398.635011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [1396398.635011] CR2: 00007f217eb02000 CR3: 000000010b499000 CR4: 0000000= 0000006e0 [1396398.635011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000= 000000000 [1396398.635011] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000= 000000400 [1396398.635011] Process firefox-bin (pid: 14294, threadinfo ffff88019aca= 4000, task ffff88000bdd5dc0) [1396398.635011] Stack: [1396398.635011] ffffffff811c6284 ffff8801a7c83dd8 0000000000002710 ffff= 8801a7c8d940 [1396398.635011] ffffffff81a1ff00 0000000000000000 7fffffffffffffff ffff= 8801a7c83de8 [1396398.635011] ffffffff811c6204 ffff8801a7c83df8 ffffffff811c622d ffff= 8801a7c83e18 [1396398.635011] Call Trace: [1396398.635011] =20 [1396398.635011] [] ? delay_tsc+0x23/0xd5 [1396398.635011] [] __delay+0xa/0xc [1396398.635011] [] __const_udelay+0x27/0x29 [1396398.635011] [] arch_trigger_all_cpu_backtrace+0x6= 2/0x72 [1396398.635011] [] __rcu_pending+0x86/0x3b8 [1396398.635011] [] ? tick_nohz_handler+0xd6/0xd6 [1396398.635011] [] rcu_check_callbacks+0xe2/0x113 [1396398.635011] [] update_process_times+0x3c/0x73 [1396398.635011] [] tick_sched_timer+0x6f/0x8f [1396398.635011] [] __run_hrtimer+0x75/0xeb [1396398.635011] [] hrtimer_interrupt+0xdf/0x1b2 [1396398.635011] [] ? add_preempt_count+0xa9/0xad [1396398.635011] [] smp_apic_timer_interrupt+0x71/0x84= [1396398.635011] [] apic_timer_interrupt+0x70/0x80 [1396398.635011] =20 [1396398.635011] [] ? retint_swapgs+0xe/0x13 [1396398.635011] Code: 48 c1 ea 04 48 8d 04 02 48 ba 0f 0f 0f 0f 0f 0f 0f= 0f 48 21 d0 48 ba 01 01 01 01 01 01 01 01 48 0f af c2 48 c1 e8 38 5a 5f = 5d c3 <55> 48 89 e5 41 55 41 54 53 48 83 ec 08 65 4c 8b 24 25 88 b6 00=20 [1396398.635011] Call Trace: [1396398.635011] [] ? delay_tsc+0x23/0xd5 [1396398.635011] [] __delay+0xa/0xc [1396398.635011] [] __const_udelay+0x27/0x29 [1396398.635011] [] arch_trigger_all_cpu_backtrace+0x6= 2/0x72 [1396398.635011] [] __rcu_pending+0x86/0x3b8 [1396398.635011] [] ? tick_nohz_handler+0xd6/0xd6 [1396398.635011] [] rcu_check_callbacks+0xe2/0x113 [1396398.635011] [] update_process_times+0x3c/0x73 [1396398.635011] [] tick_sched_timer+0x6f/0x8f [1396398.635011] [] __run_hrtimer+0x75/0xeb [1396398.635011] [] hrtimer_interrupt+0xdf/0x1b2 [1396398.635011] [] ? add_preempt_count+0xa9/0xad [1396398.635011] [] smp_apic_timer_interrupt+0x71/0x84= [1396398.635011] [] apic_timer_interrupt+0x70/0x80 [1396398.635011] [] ? retint_swapgs+0xe/0x13 [1396398.635670] NMI backtrace for cpu 0 [1396398.635677] CPU 0=20 [1396398.635681] Modules linked in: nls_utf8 sha256_generic ansi_cprng kr= ng eseqiv rng cryptd crypto_wq aes_x86_64 aes_generic cbc cryptomgr aead = pcompress dm_crypt crypto_hash crypto_blkcipher crypto_algapi nls_iso8859= _1 nls_cp437 vfat fat ip6t_LOG xt_pkttype ipt_LOG xt_limit xt_tcpudp vbox= pci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) fuse af_packet edd ip6t_REJ= ECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT i= ptable_raw iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conn= track_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack n= f_conntrack ip6table_filter ip6_tables x_tables snd_pcm_oss snd_mixer_oss= cpufreq_conservative cpufreq_userspace snd_seq cpufreq_powersave snd_seq= _device acpi_cpufreq mperf capi usblp bas_gigaset gigaset kernelcapi crc_= ccitt snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm oss= t snd_timer e1000e sg st ppdev sr_mod cdrom firewire_ohci firewire_core s= nd iTCO_wdt crc_itu_t i2c_i801 snd_page_alloc pcspkr iTCO_vendor_support = parport_pc tpm_tis parport tpm tpm_bios ext4 jbd2 crc16 linear raid456 as= ync_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx rai= d10 raid1 raid0 nouveau ttm drm_kms_helper drm i2c_algo_bit mxm_wmi wmi v= ideo intel_agp button intel_gtt dm_snapshot dm_mod fan processor thermal = thermal_sys aic7xxx scsi_transport_spi ata_generic pata_marvell [1396398.635935]=20 [1396398.635941] Pid: 0, comm: swapper/0 Tainted: G W O 3.2.2-cap= igig #1 /DQ965GF [1396398.635952] RIP: 0010:[] [] mwa= it_idle+0x6c/0x88 [1396398.635966] RSP: 0018:ffffffff81a01ef8 EFLAGS: 00000246 [1396398.635972] RAX: 0000000000000000 RBX: ffffffff81a00000 RCX: 0000000= 000000000 [1396398.635977] RDX: 0000000000000000 RSI: 0000000000000003 RDI: fffffff= f81008b6e [1396398.635981] RBP: ffffffff81a01ef8 R08: 0000000000000000 R09: 0000000= 000000001 [1396398.635987] R10: ffffffff00000002 R11: ffffffff81a87418 R12: fffffff= f81a87418 [1396398.635992] R13: ffff8801a7f21e00 R14: ffffffffffffffff R15: 0000000= 000000000 [1396398.635998] FS: 0000000000000000(0000) GS:ffff8801a7c00000(0000) kn= lGS:0000000000000000 [1396398.636004] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [1396398.636004] CR2: 00007f696455b000 CR3: 000000019a12a000 CR4: 0000000= 0000006f0 [1396398.636004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000= 000000000 [1396398.636004] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000= 000000400 [1396398.636004] Process swapper/0 (pid: 0, threadinfo ffffffff81a00000, = task ffffffff81a0d020) [1396398.636004] Stack: [1396398.636004] ffffffff81a01f28 ffffffff810012b1 ffffffff81a01f28 84c8= 034076647dfc [1396398.636004] 0000000000000002 ffffffff81ae3380 ffffffff81a01f58 ffff= ffff813de7fc [1396398.636004] ffffffff813de76c ffffffff81ae3380 ffffffff81a01f58 0000= 000000000000 [1396398.636004] Call Trace: [1396398.636004] [] cpu_idle+0xaf/0xe5 [1396398.636004] [] rest_init+0xd0/0xd7 [1396398.636004] [] ? rest_init+0x40/0xd7 [1396398.636004] [] start_kernel+0x3b7/0x3c2 [1396398.636004] [] x86_64_start_reservations+0xb6/0xb= a [1396398.636004] [] x86_64_start_kernel+0xf2/0xf9 [1396398.636004] Code: b6 00 00 48 2d c8 1f 00 00 31 d2 48 89 d1 0f 01 c8= 0f ae f0 e8 51 ff ff ff 85 c0 75 10 e8 38 f0 05 00 31 c0 48 89 c1 fb 0f = 01 c9 06 e8 28 f0 05 00 fb e8 94 e5 1c 00 e8 8f e5 1c 00 eb 06 e8=20 [1396398.636004] Call Trace: [1396398.636004] [] cpu_idle+0xaf/0xe5 [1396398.636004] [] rest_init+0xd0/0xd7 [1396398.636004] [] ? rest_init+0x40/0xd7 [1396398.636004] [] start_kernel+0x3b7/0x3c2 [1396398.636004] [] x86_64_start_reservations+0xb6/0xb= a [1396398.636004] [] x86_64_start_kernel+0xf2/0xf9 [1433053.535519] bas_gigaset 6-2:1.0: cause code 0523 in connection state= 0. --------------010908000102050700000102-- -- 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/