suspendもhibernateも使えるみたい。¶
先ほどの変更 でサスペンドも一応ちゃんと機能したのだが、こんなメッセージが出ていたのが気になる。他でも普段出てたっけ？そういやLet’s noteだとsuspendよりもhibernateを使ってたんだっけか。
[ 5636.161927] PM: resume devices took 5.968 seconds
[ 5636.161929] ------------[ cut here ]------------
[ 5636.161935] WARNING: at kernel/power/suspend_test.c:52 suspend_devices_and_enter+0x197/0x1c8()
[ 5636.161937] Hardware name: MacBook5,2
[ 5636.161938] Component: resume devices
[ 5636.161940] Modules linked in: usb_storage nvidia(P) binfmt_misc uvcvideo videodev v4l1_compat \
v4l2_compat_ioctl32 sco bridge stp llc bnep rfcomm l2cap bluetooth rfkill kvm_intel kvm \
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state xt_tcpudp ipt_LOG iptable_filter ip_tables x_tables \
nf_conntrack_ftp nf_conntrack ipv6 cpufreq_stats cpufreq_conservative cpufreq_powersave \
cpufreq_userspace acpi_cpufreq loop snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss \
snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq \
snd_timer snd_seq_device snd isight_firmware joydev appletouch soundcore i2c_nforce2 snd_page_alloc \
shpchp pci_hotplug evdev pcspkr button ac processor battery ext3 jbd mbcache dm_mod sg sd_mod sr_mod \
cdrom ata_generic ahci libata scsi_mod ohci_hcd ohci1394 ieee1394 ssb ide_pci_generic ide_core \
forcedeth ehci_hcd thermal fan thermal_sys [last unloaded: scsi_wait_scan]
[ 5636.161996] Pid: 5599, comm: s2ram Tainted: P 2.6.31.3 #1
[ 5636.161997] Call Trace:
[ 5636.162002] [<ffffffff8106c35e>] ? suspend_devices_and_enter+0x197/0x1c8
[ 5636.162005] [<ffffffff8106c35e>] ? suspend_devices_and_enter+0x197/0x1c8
[ 5636.162009] [<ffffffff81042b22>] ? warn_slowpath_common+0x77/0xa3
[ 5636.162012] [<ffffffff81042baa>] ? warn_slowpath_fmt+0x51/0x59
[ 5636.162017] [<ffffffff8120e166>] ? pm_dev_dbg+0xa1/0xc6
[ 5636.162021] [<ffffffff812ecf42>] ? mutex_lock+0xd/0x31
[ 5636.162024] [<ffffffff8120ea8b>] ? dpm_resume_end+0x42f/0x43e
[ 5636.162027] [<ffffffff8106c555>] ? suspend_test_finish+0x46/0x75
[ 5636.162030] [<ffffffff8106c35e>] ? suspend_devices_and_enter+0x197/0x1c8
[ 5636.162033] [<ffffffff8106c488>] ? enter_state+0xf9/0x13a
[ 5636.162036] [<ffffffff8106bbe8>] ? state_store+0xb4/0xd5
[ 5636.162041] [<ffffffff81126927>] ? sysfs_write_file+0xd0/0x107
[ 5636.162045] [<ffffffff8102573e>] ? default_spin_lock_flags+0x5/0xb
[ 5636.162049] [<ffffffff810d72e0>] ? vfs_write+0xad/0x169
[ 5636.162052] [<ffffffff810d7458>] ? sys_write+0x45/0x6e
[ 5636.162056] [<ffffffff8100ba82>] ? system_call_fastpath+0x16/0x1b
[ 5636.162058] ---[ end trace 2a3b09550686ca82 ]---
[ 5636.162346] PM: Finishing wakeup.
[ 5636.162347] Restarting tasks ... done.
[ 5637.026887] CPU0 attaching NULL sched-domain.
[ 5637.026980] CPU0 attaching NULL sched-domain.
hibernateも大丈夫そうだ。¶
acpi=offにしていた場合は、ハイバネートするところまでは良かったが、リジューム時にacpi=offが効かないようで、acpi=offをつけないときと同じでブラックアウトしてしまっていた。が、こっちもちゃんと機能するようになった。良かった。