From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] libata: fix suspend/resume for ATA SEMB devices Date: Mon, 11 May 2009 14:34:32 -0400 Message-ID: <4A086FB8.6020509@garzik.org> References: <20090426143836.GA3643@liondog.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:36777 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758612AbZEKSee (ORCPT ); Mon, 11 May 2009 14:34:34 -0400 In-Reply-To: <20090426143836.GA3643@liondog.tnic> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: petkovbb@gmail.com, Tejun Heo , Jeff Garzik , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Borislav Petkov wrote: > From: Borislav Petkov > Date: Sun, 26 Apr 2009 16:33:34 +0200 > Subject: [PATCH] libata: fix suspend/resume for ATA SEMB devices > > 79b42babbac2a5a522b8e269fb2811b6e1063030 fixed identifying ATA devices > reporting 3c/c3 signature which belongs to SEMB devices now. However, > suspending the machine with such device (WDC WD2500AAJS-6 01.0) fails > with the following: > > hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4 > hda: UDMA/100 mode selected > hdb: host max PIO4 wanted PIO255(auto-tune) selected PIO4 > hdb: UDMA/66 mode selected > sd 1:0:0:0: [sda] Starting disk > ata5: SATA link down (SStatus 0 SControl 300) > ata1: SATA link down (SStatus 0 SControl 300) > ata3: SATA link down (SStatus 0 SControl 300) > ata6: SATA link down (SStatus 0 SControl 300) > ata2: softreset failed (device not ready) > ata2: failed due to HW bug, retry pmp=0 > ata4: softreset failed (device not ready) > ata4: failed due to HW bug, retry pmp=0 > ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > ata2.00: class mismatch 1 != 7 > ata2.00: revalidation failed (errno=-19) > ata2: limiting SATA link speed to 1.5 Gbps > ata4.00: configured for UDMA/133 > ata2: softreset failed (device not ready) > ata2: failed due to HW bug, retry pmp=0 > ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > ata2.00: class mismatch 1 != 7 > ata2.00: revalidation failed (errno=-19) > ata2.00: disabled > sd 1:0:0:0: rejecting I/O to offline device > sd 1:0:0:0: [sda] START_STOP FAILED > sd 1:0:0:0: [sda] Result: hostbyte=0x01 driverbyte=0x00 > PM: Device 1:0:0:0 failed to thaw: error 65536 > sd 3:0:0:0: [sdb] Starting disk > > due to a class mismatch in ata_dev_revalidate(). Fix it by adding the > ATA_DEV_SEMB device class to the check. > > CC: Tejun Heo > CC: Jeff Garzik > Signed-off-by: Borislav Petkov > --- > drivers/ata/libata-core.c | 4 +++- > 1 files changed, 3 insertions(+), 1 deletions(-) applied