WARNING: at drivers/pci/pci-driver.c:368

[Parag Warudkar]

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 ]---


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