From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: linux-pm@lists.linux-foundation.org, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [linux-pm] 2.6.37-rc5, pata_atiixp, DVD-ROM: kernel log flooded with "rpm_resume flags 0x4", "rpm_resume returns 1"
Date: Sat, 11 Dec 2010 20:29:08 +0100 [thread overview]
Message-ID: <201012112029.08895.rjw@sisk.pl> (raw)
In-Reply-To: <20101211173234.77617d3a@stein>
On Saturday, December 11, 2010, Stefan Richter wrote:
> Hi,
>
> I just booted from 2.6.36 (without PM debugging configured) into
> 2.6.37-rc5 (with PM debugging enabled). There is endless log spam like
> this:
I guess you have either CONFIG_PM_VERBOSE set or CONFIG_PM_DEBUG unset.
Which is the case?
Rafael
> Dec 11 17:11:31 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:31 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:31 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:31 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:31 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:31 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:33 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:35 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:37 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:37 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:37 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:37 stein kernel: scsi host6: rpm_resume returns 1
> Dec 11 17:11:37 stein kernel: scsi host6: rpm_resume flags 0x4
> Dec 11 17:11:37 stein kernel: scsi host6: rpm_resume returns 1
>
> Why is rpm_resume performed 6 times every two seconds?
>
> host6 is pata_atiixp with an:
>
> 00:14.1 IDE interface: ATI Technologies Inc SB700/SB800 IDE Controller
> (prog-if 8a [Master SecP PriP])
>
> # grep . /sys/class/scsi_host/host6/power/*
> /sys/class/scsi_host/host6/power/async:enabled
> grep: /sys/class/scsi_host/host6/power/autosuspend_delay_ms: Input/output error
> /sys/class/scsi_host/host6/power/control:auto
> /sys/class/scsi_host/host6/power/runtime_active_kids:0
> /sys/class/scsi_host/host6/power/runtime_active_time:0
> /sys/class/scsi_host/host6/power/runtime_enabled:disabled
> /sys/class/scsi_host/host6/power/runtime_status:unsupported
> /sys/class/scsi_host/host6/power/runtime_suspended_time:0
> /sys/class/scsi_host/host6/power/runtime_usage:0
>
> Attached to it is one device:
>
> Host: scsi6 Channel: 00 Id: 00 Lun: 00
> Vendor: PLEXTOR Model: DVD-ROM PX-130A Rev: 1.01
> Type: CD-ROM ANSI SCSI revision: 05
>
> # grep . /sys/class/scsi_host/host6/device/target6\:0\:0/6\:0\:0\:0/power/*
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/async:enabled
> grep: /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/autosuspend_delay_ms: Input/output error
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/control:on
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/runtime_active_kids:0
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/runtime_active_time:2689146
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/runtime_enabled:forbidden
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/runtime_status:active
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/runtime_suspended_time:0
> /sys/class/scsi_host/host6/device/target6:0:0/6:0:0:0/power/runtime_usage:2
>
next parent reply other threads:[~2010-12-11 19:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20101211173234.77617d3a@stein>
2010-12-11 19:29 ` Rafael J. Wysocki [this message]
2010-12-11 19:38 ` Alan Stern
2010-12-17 20:15 ` Stefan Richter
2010-12-17 20:30 ` Stefan Richter
2010-12-17 20:32 ` Stefan Richter
2010-12-18 18:14 ` Alan Stern
2010-12-18 19:12 ` Stefan Richter
2010-12-18 18:11 ` Alan Stern
2010-12-18 19:08 ` Stefan Richter
2010-12-18 22:41 ` Rafael J. Wysocki
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