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Date: Tue, 3 Feb 2009 18:50:38 -0500 (EST) From: Parag Warudkar <parag.lkml@...il.com> To: "Rafael J. Wysocki" <rjw@...k.pl> cc: linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org Subject: WARNING: at drivers/pci/pci-driver.c:368 Today's git triggers the below warning on suspending my laptop, which is - if (WARN_ON_ONCE(pci_dev->current_state != PCI_D0)) Would it be helpful to also print info about the device that was not in PCI_D0? pci_legacy_suspend+0x7e/0xc3()[ 123.510055] WARNING: at drivers/pci/pci-driver.c:368 pci_legacy_suspend+0x7e/0xc3() [ 123.510056] Hardware name: HP Compaq 6910p [ 123.510058] Modules linked in: ipv6 aes_x86_64 aes_generic af_packet radeon drm i2c_core binfmt_misc kvm_intel kvm ppdev acpi_cpufreq cpufr eq_userspace cpufreq_ondemand cpufreq_conservative cpufreq_stats freq_table cpufreq_powersave pci_slot iptable_filter ip_tables x_tables input _polldev sbp2 ieee1394 parport_pc lp parport joydev snd_hda_codec_analog snd_hda_intel snd_hda_codec arc4 snd_pcm_oss snd_mixer_oss ecb snd_pc m sdhci_pci sdhci snd_seq_dummy mmc_core snd_seq_oss iwlagn iwlcore evdev ricoh_mmc psmouse serio_raw pcspkr rfkill snd_seq_midi led_class mac 80211 iTCO_wdt iTCO_vendor_support snd_rawmidi cfg80211 snd_seq_midi_event snd_seq snd_timer snd_seq_device video output container snd tpm_inf ineon tpm tpm_bios intel_agp wmi battery shpchp ac button soundcore snd_page_alloc pci_hotplug ext3 jbd mbcache sr_mod cdrom ata_generic sd_mo d crc_t10dif sg ata_piix pata_acpi ahci libata scsi_mod ehci_hcd uhci_hcd usbcore e1000e thermal processor fan fuse [ 123.510112] Pid: 6370, comm: pm-suspend Not tainted 2.6.29-rc3 #5 [ 123.510114] Call Trace: [ 123.510119] [<ffffffff8023fc1f>] warn_slowpath+0xd3/0x10f [ 123.510124] [<ffffffff804689d4>] ? _spin_lock_irqsave+0x28/0x31 [ 123.510127] [<ffffffff80249044>] ? lock_timer_base+0x26/0x4a [ 123.510130] [<ffffffff80227adf>] ? default_spin_lock_flags+0x9/0xe [ 123.510140] [<ffffffff8025640e>] ? down_timeout+0x45/0x50 [ 123.510142] [<ffffffff80227adf>] ? default_spin_lock_flags+0x9/0xe [ 123.510144] [<ffffffff802563c4>] ? up+0x34/0x39 [ 123.510148] [<ffffffff8036a969>] ? acpi_os_signal_semaphore+0x23/0x27 [ 123.510151] [<ffffffff80383c11>] ? acpi_ut_release_mutex+0x5d/0x61 [ 123.510154] [<ffffffff80379dfa>] ? acpi_get_data+0x5e/0x70 [ 123.510156] [<ffffffff8038501d>] ? acpi_bus_get_device+0x25/0x39 [ 123.510159] [<ffffffff803850dc>] ? acpi_bus_power_manageable+0x11/0x29 [ 123.510161] [<ffffffff8035f16e>] ? acpi_pci_power_manageable+0x17/0x19 [ 123.510164] [<ffffffff80355dbf>] ? pci_set_power_state+0xcc/0x101 [ 123.510170] [<ffffffff803581c6>] pci_legacy_suspend+0x7e/0xc3 [ 123.510173] [<ffffffff80358305>] pci_pm_suspend+0x37/0x8a [ 123.510176] [<ffffffff803c1aee>] pm_op+0x52/0xe5 [ 123.510179] [<ffffffff803c2087>] device_suspend+0x31d/0x442 [ 123.510182] [<ffffffff802663f4>] suspend_devices_and_enter+0x3e/0x13a [ 123.510184] [<ffffffff80266658>] enter_state+0x110/0x164 [ 123.510187] [<ffffffff80266763>] state_store+0xb7/0xd7 [ 123.510190] [<ffffffff80345037>] kobj_attr_store+0x17/0x19 [ 123.510193] [<ffffffff802fec33>] sysfs_write_file+0xdf/0x114 [ 123.510196] [<ffffffff802b125b>] vfs_write+0xa7/0xe1 [ 123.510198] [<ffffffff802b1359>] sys_write+0x47/0x6f [ 123.510200] [<ffffffff8021126a>] system_call_fastpath+0x16/0x1b [ 123.510202] ---[ end trace 0a834135293f05a3 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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