linux-kernel - Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume, COMRESET failed

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Date:	Wed, 08 Feb 2012 04:10:35 -0500
From:	Valdis.Kletnieks@...edu
To:	Brian Norris <computersforpeace@...il.com>
Cc:	Tejun Heo <tj@...nel.org>, Lin Ming <ming.m.lin@...el.com>,
	Norbert Preining <preining@...ic.at>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, jeff@...zik.org,
	"stern@...land.harvard.edu >> Alan Stern" <stern@...land.harvard.edu>,
	linux-ide@...r.kernel.org,
	Linux PM mailing list <linux-pm@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Jian Peng <jipeng2005@...il.com>,
	Kevin Cernekee <cernekee@...il.com>
Subject: Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume, COMRESET failed

On Mon, 06 Feb 2012 11:20:45 PST, Brian Norris said:

> (3) Debug Norbert's hardware problems.

It's not just Norbert - my Dell Latitude E6500 trips over this as well (didn't
we go through this same song-and-dance *before* with this same exact
patch?  Yes we did, back in May 2011:

http://lkml.indiana.edu/hypermail/linux/kernel/1105.1/02970.html

Somebody hand me a stake and mallet to pount through the heart of this
patch so it *stays* dead already.. Geez.. ;)

Norbert's box has this:
00:1f.2 SATA controller: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode] (rev 03) (prog-if 01 [AH
CI 1.0])

While mine apparentlyh has a different PCI ID:
lspci -nn -v -s 00:1f.2
00:1f.2 RAID bus controller [0104]: Intel Corporation Mobile 82801 SATA RAID Controller [8086:282a] (rev 03)
        Subsystem: Dell Device [1028:024f]
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 45
        I/O ports at 6e70 [size=8]
        I/O ports at 6e78 [size=4]
        I/O ports at 6e80 [size=8]
        I/O ports at 6e88 [size=4]
        I/O ports at 6ea0 [size=32]
        Memory at fed1c800 (32-bit, non-prefetchable) [size=2K]
        Capabilities: [80] MSI: Enable+ Count=1/16 Maskable- 64bit-
        Capabilities: [70] Power Management version 3
        Capabilities: [a8] SATA HBA v1.0
        Capabilities: [b0] PCI Advanced Features
        Kernel driver in use: ahci



from dmesg:
[    1.295050] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    1.296037] ata1.00: ATA-8: WDC WD1600BJKT-75F4T0, 11.01A11, max UDMA/133
[    1.296041] ata1.00: 312581808 sectors, multi 0: LBA48 NCQ (depth 31/32), AA
[    1.297051] ata1.00: configured for UDMA/133
[    1.297773] scsi 0:0:0:0: Direct-Access     ATA      WDC WD1600BJKT-7 11.0 PQ: 0 ANSI: 5
[    1.298623] sd 0:0:0:0: [sda] 312581808 512-byte logical blocks: (160 GB/149 GiB)
[    1.298811] sd 0:0:0:0: [sda] Write Protect is off
[    1.298816] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    1.298891] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    1.329096]  sda: sda1 sda2
[    1.330321] sd 0:0:0:0: [sda] Attached SCSI disk
[    6.652045] ata2: link is slow to respond, please be patient (ready=0)
[   11.344043] ata2: COMRESET failed (errno=-16)
[   11.649049] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[   11.650654] ata2.00: ATAPI: MATSHITA DVD+/-RW UJ892, 1.01, max UDMA/100
[   11.653036] ata2.00: configured for UDMA/100
[   11.656392] scsi 1:0:0:0: CD-ROM            MATSHITA DVD+-RW UJ892    1.01 PQ: 0 ANSI: 5
[   11.659202] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
[   11.659206] cdrom: Uniform CD-ROM driver Revision: 3.20
[   11.659794] sr 1:0:0:0: Attached scsi CD-ROM sr0
[   11.965047] ata5: SATA link down (SStatus 0 SControl 300)
[   12.270047] ata6: SATA link down (SStatus 0 SControl 300)




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