From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: linux-pm@lists.linux-foundation.org, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: 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 17:32:34 +0100 [thread overview]
Message-ID: <20101211173234.77617d3a@stein> (raw)
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:
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
--
Stefan Richter
-=====-==-=- ==-- -=-==
http://arcgraph.de/sr/
next reply other threads:[~2010-12-11 16:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-11 16:32 Stefan Richter [this message]
2010-12-11 19:29 ` 2.6.37-rc5, pata_atiixp, DVD-ROM: kernel log flooded with "rpm_resume flags 0x4", "rpm_resume returns 1" Rafael J. Wysocki
2010-12-11 19:38 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1012111425520.14704-100000@netrider.rowland.org>
2010-12-17 20:15 ` Stefan Richter
[not found] ` <20101217211556.2789cb80@stein>
2010-12-17 20:30 ` Stefan Richter
[not found] ` <20101217213034.7bf6587c@stein>
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
[not found] ` <20101218200837.03a23f62@stein>
2010-12-18 22:41 ` Rafael J. Wysocki
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