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Date:	Sat, 29 Dec 2012 22:57:13 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Tim Hockin <thockin@...kin.org>
Cc:	linux-kernel@...r.kernel.org, Pavel Machek <pavel@....cz>,
	Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: kernel panic on resume from S3 - stumped

On Saturday, December 29, 2012 12:03:13 PM Tim Hockin wrote:
> 4 days ago I had Ubuntu Lucid running on this computer. Suspend and
> resume worked flawlessly every time.
> 
> Then I upgraded to Ubuntu Precise.

Well, do you use a distro kernel or a kernel.org kernel?

> Suspend seems to work, but resume
> fails every time. The video never initializes.  By the flashing
> keyboard lights, I guess it's a kernel panic. It fails from the Live
> CD and from a fresh install.
> 
> Here is my debug so far.
> 
> Install all updates (3.2 kernel, nouveau driver)
> Reboot
> Try suspend = fails
> 
> Install Ubuntu's linux-generic-lts-quantal (3.5 kernel, nouveau driver)
> Reboot
> Try suspend = fails
> 
> Install nVidia's 304 driver
> Reboot
> Try suspend = fails
> 
> From within X:
>   echo core > /sys/power/pm_test
>   echo mem > /sys/power/state
> The system acts like it is going to sleep, and then wakes up a few
> seconds later. dmesg shows:
> 
> [ 1230.083404] ------------[ cut here ]------------
> [ 1230.083410] WARNING: at
> /build/buildd/linux-lts-quantal-3.5.0/kernel/power/suspend_test.c:53
> suspend_test_finish+0x86/0x90()
> [ 1230.083411] Hardware name: To Be Filled By O.E.M.
> [ 1230.083412] Component: resume devices, time: 14424
> [ 1230.083412] Modules linked in: snd_emu10k1_synth snd_emux_synth
> snd_seq_virmidi snd_seq_midi_emul bnep rfcomm parport_pc ppdev
> nvidia(PO) snd_emu10k1 snd_ac97_codec ac97_bus snd_pcm snd_page_alloc
> snd_util_mem snd_hwdep snd_seq_midi snd_rawmidi snd_seq_midi_event
> snd_seq snd_timer coretemp snd_seq_device kvm_intel kvm snd
> ghash_clmulni_intel soundcore aesni_intel btusb cryptd aes_x86_64
> bluetooth i7core_edac edac_core microcode mac_hid lpc_ich mxm_wmi
> shpchp serio_raw wmi hid_generic lp parport usbhid hid r8169
> pata_marvell
> [ 1230.083445] Pid: 3329, comm: bash Tainted: P O 3.5.0-21-generic
> #32~precise1-Ubuntu
> [ 1230.083446] Call Trace:
> [ 1230.083448] [<ffffffff81052c9f>] warn_slowpath_common+0x7f/0xc0
> [ 1230.083452] [<ffffffff81052d96>] warn_slowpath_fmt+0x46/0x50
> [ 1230.083455] [<ffffffff8109b836>] suspend_test_finish+0x86/0x90
> [ 1230.083457] [<ffffffff8109b53b>] suspend_devices_and_enter+0x10b/0x200
> [ 1230.083460] [<ffffffff8109b701>] enter_state+0xd1/0x100
> [ 1230.083463] [<ffffffff8109b74b>] pm_suspend+0x1b/0x60
> [ 1230.083465] [<ffffffff8109a7a5>] state_store+0x45/0x70
> [ 1230.083467] [<ffffffff81331d2f>] kobj_attr_store+0xf/0x30
> [ 1230.083471] [<ffffffff811f77ff>] sysfs_write_file+0xef/0x170
> [ 1230.083476] [<ffffffff811879d3>] vfs_write+0xb3/0x180
> [ 1230.083480] [<ffffffff81187cfa>] sys_write+0x4a/0x90
> [ 1230.083483] [<ffffffff816a6e69>] system_call_fastpath+0x16/0x1b
> [ 1230.083488] ---[ end trace 839cdd0078b3ce03 ]---
> 
> Boot with init=/bin/bash
> unload all modules except USBHID
> echo core > /sys/power/pm_test
> echo mem > /sys/power/state
> system acts like it is going to sleep, and then wakes up a few seconds later
> echo none > /sys/power/pm_test
> echo mem > /sys/power/state
> system goes to sleep
> press power to resume = fails
> 
> At this point I am stumped on how to debug. This is a "modern"
> computer with no serial ports. It worked under Lucid, so I know it is
> POSSIBLE.
> 
> Mobo: ASRock X58 single-socket
> CPU: Westmere 6 core (12 hyperthreads) 3.2 GHz
> RAM: 12 GB ECC
> Disk: sda = Intel SSD, mounted on /
> Disk: sdb = Intel SSD, not mounted
> Disk: sdc = Seagate HDD, not mounted
> Disk: sdd = Seagate HDD, not mounted
> NIC = Onboard RTL8168e/8111e
> Sound = EMU1212 (emu10k1, not even configured yet)
> Video = nVidia GeForce 7600 GT
> KB = PS2 (also tried USB)
> Mouse = USB
> 
> I have not updated to a more current kernel than 3.5, but I will if
> there's evidence that this is resolved.  Any other clever trick to
> try?

There is no evidence and there won't be if you don't try a newer kernel.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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