From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751853AbYIGXOt (ORCPT ); Sun, 7 Sep 2008 19:14:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750823AbYIGXOk (ORCPT ); Sun, 7 Sep 2008 19:14:40 -0400 Received: from cpsmtpo-eml01.kpnxchange.com ([213.75.38.150]:44274 "EHLO cpsmtpo-eml01.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750783AbYIGXOk (ORCPT ); Sun, 7 Sep 2008 19:14:40 -0400 From: Frans Pop To: linux-kernel@vger.kernel.org Subject: [regression] __tick_program_event of hpet is stuck Date: Mon, 8 Sep 2008 01:14:35 +0200 User-Agent: KMail/1.9.9 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200809080114.36106.elendil@planet.nl> X-OriginalArrivalTime: 07 Sep 2008 23:14:38.0388 (UTC) FILETIME=[7FF0F740:01C9113F] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With current git head (v2.6.27-rc5-319-g7686ad5) I'm seeing repeated occurrences of the following on my HP Compaq 2510p laptop. Not seen with earlier kernels, including 2.6.27-rc5. CE: __tick_program_event of hpet is stuck 1468f1b3c9 1468f1c751 CE: increasing min_delta_ns 5000 to 10000 nsec ------------[ cut here ]------------ WARNING: at kernel/time/tick-oneshot.c:52 tick_dev_program_event+0x9c/0xd0 () Modules linked in: tcp_diag inet_diag i915 drm ipv6 ext2 coretemp acpi_cpufreq loop joydev snd_hda_intel snd_pcm_oss arc4 snd_pcm ecb snd_mixer_oss snd_seq_dummy snd_seq_oss iwlagn snd_seq_midi iwlcore snd_rawmidi snd_seq_midi_event snd_seq pcmcia rfkill snd_timer snd_seq_device led_class mac80211 snd wmi video yenta_socket rsrc_nonstatic cfg80211 intel_agp soundcore ac psmouse serio_raw output container iTCO_wdt pcspkr pcmcia_core evdev battery button snd_page_alloc ext3 jbd mbcache sha256_generic aes_x86_64 aes_generic cbc dm_crypt crypto_blkcipher dm_mirror dm_log dm_snapshot dm_mod sg sr_mod cdrom sd_mod piix ide_pci_generic ide_core ata_piix ohci1394 sdhci_pci sdhci ricoh_mmc mmc_core ieee1394 ata_generic ehci_hcd libata scsi_mod uhci_hcd dock e1000e thermal processor fan thermal_sys Pid: 0, comm: swapper Not tainted 2.6.27-rc5 #74 Call Trace: [] warn_on_slowpath+0x58/0x7f [] ? printk+0x67/0x6f [] ? getnstimeofday+0x3a/0x96 [] ? getnstimeofday+0x3a/0x96 [] ? ktime_get_ts+0x49/0x4e [] tick_dev_program_event+0x9c/0xd0 [] tick_broadcast_oneshot_control+0xa3/0xfd [] tick_notify+0x22f/0x385 [] notifier_call_chain+0x33/0x5b [] raw_notifier_call_chain+0xf/0x11 [] clockevents_notify+0x2b/0x7a [] acpi_state_timer_broadcast+0x41/0x43 [processor] [] acpi_idle_enter_simple+0x8c/0x172 [processor] [] cpuidle_idle_call+0x86/0xba [] cpu_idle+0x80/0xd4 [] rest_init+0x61/0x63 ---[ end trace 94cf18f10b9270b8 ]---