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

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Date:	Fri, 03 Feb 2012 09:15:16 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	Norbert Preining <preining@...ic.at>, linux-kernel@...r.kernel.org,
	jeff@...zik.org, Tejun Heo <tj@...nel.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>
Subject: Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume,
 COMRESET failed

On Thu, 2012-02-02 at 14:08 +0530, Srivatsa S. Bhat wrote:
> Adding some Cc's.
> 
> On 02/02/2012 10:42 AM, Norbert Preining wrote:
> 
> > Dear all,
> > 
> > (please Cc)
> > 
> > since going from 3.2 to 3.3-rc1 I see a kind of regression wrt booting
> > time, namely the detection of the CD drive hangs for 10sec (both
> > dmesg were taken on the same hardware on the same day):
> > 
> > with 3.3-rc1 and rc2:
> > [    3.694012] sd 0:0:0:0: [sda] Attached SCSI disk
> > [    9.004013] ata2: link is slow to respond, please be patient (ready=0)
> > [   13.652013] ata2: COMRESET failed (errno=-16)
> > [   13.972022] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)

I'm looking into this problem.
But I can't reproduce this regression.

Could you attach the full 3.3-rc2 dmesg?

Thanks,
Lin Ming

> > [   13.975721] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
> > [   13.977166] ata2.00: ATAPI: MATSHITADVD-RAM UJ862AS, 1.21, max UDMA/33
> > [   13.981294] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
> > [   13.982734] ata2.00: configured for UDMA/33
> > [   13.987964] scsi 1:0:0:0: CD-ROM            MATSHITA DVD-RAM UJ862AS  1.21 PQ: 0 ANSI: 5
> > [   13.991482] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
> > [   13.992971] cdrom: Uniform CD-ROM driver Revision: 3.20
> > [   13.994574] sr 1:0:0:0: Attached scsi CD-ROM sr0
> > [   13.994672] sr 1:0:0:0: Attached scsi generic sg1 type 5
> > [   14.316021] ata5: SATA link down (SStatus 0 SControl 300)
> > [   14.636019] ata6: SATA link down (SStatus 0 SControl 300)
> > 
> > with 3.2:
> > [    3.218156] sd 0:0:0:0: [sda] Attached SCSI disk
> > [    3.484023] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> > [    3.487708] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
> > [    3.489156] ata2.00: ATAPI: MATSHITADVD-RAM UJ862AS, 1.21, max UDMA/33
> > [    3.494321] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
> > [    3.495761] ata2.00: configured for UDMA/33
> > [    3.501057] scsi 1:0:0:0: CD-ROM            MATSHITA DVD-RAM UJ862AS  1.21 PQ: 0 ANSI: 5
> > [    3.504515] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
> > [    3.505995] cdrom: Uniform CD-ROM driver Revision: 3.20
> > [    3.507611] sr 1:0:0:0: Attached scsi CD-ROM sr0
> > [    3.507715] sr 1:0:0:0: Attached scsi generic sg1 type 5
> > [    3.828025] ata5: SATA link down (SStatus 0 SControl 300)
> > [    4.148020] ata6: SATA link down (SStatus 0 SControl 300)
> > 
> > 
> > Is there anything I can do here?
> > 
> 


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