linux-kernel - intel ahci problem

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Date:	Tue, 29 Jan 2008 18:09:47 +0300
From:	Evgen L <evgen@....ru>
To:	linux-kernel@...r.kernel.org
CC:	Evgen L <evgen@....ru>
Subject: intel ahci problem

Hi all

I have a problem with my Intel SR1550 server (S5000PAL motheboard, 
SATA/SAS controller, 5 SATA HDD Seagate ST9120822AS ).
The four drivers are in two md raid1, which striping by lvm and one 
drive used separately. I have problem like below with two different 
drives (ata3 or ata4) and ata5. I look problem like this with RedHat  
2.6.18-53 kernel, 2.6.24-rc8, and today 2.6.24-git5. I reading about any 
problems like this in lkml.org. There can be this message will help to 
fix this issue.
The complete dmesg in attachment.

md: bind<sdd1>
RAID1 conf printout:
 --- wd:1 rd:2
 disk 0, wo:0, o:1, dev:sdc1
 disk 1, wo:1, o:1, dev:sdd1
md: recovery of RAID array md2
md: minimum _guaranteed_  speed: 1000 KB/sec/disk.
md: using maximum available idle IO bandwidth (but not more than 200000 
KB/sec) for recovery.
md: using 128k window, over a total of 117218176 blocks.
ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata4.00: cmd e7/00:00:00:00:00/00:00:00:00:00/a0 tag 0
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata4.00: status: { DRDY }
ata4: hard resetting link
ata4: port is slow to respond, please be patient (Status 0x80)
ata4: softreset failed (device not ready)
ata4: hard resetting link
ata4: port is slow to respond, please be patient (Status 0x80)
ata4: softreset failed (device not ready)
ata4: hard resetting link
ata4: port is slow to respond, please be patient (Status 0x80)
ata4: softreset failed (device not ready)
ata4: limiting SATA link speed to 1.5 Gbps
ata4: hard resetting link
ata4: softreset failed (device not ready)
ata4: reset failed, giving up
ata4.00: disabled
ata4: EH complete
sd 3:0:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET 
driverbyte=DRIVER_OK,SUGGEST_OK
end_request: I/O error, dev sdd, sector 234436415
md: super_written gets error=-5, uptodate=0
raid1: Disk failure on sdd1, disabling device.
        Operation continuing on 1 devices
sd 3:0:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET 
driverbyte=DRIVER_OK,SUGGEST_OK
end_request: I/O error, dev sdd, sector 1764415
sd 3:0:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET 
driverbyte=DRIVER_OK,SUGGEST_OK
end_request: I/O error, dev sdd, sector 1765439
sd 3:0:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET 
driverbyte=DRIVER_OK,SUGGEST_OK
end_request: I/O error, dev sdd, sector 1766463
sd 3:0:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET 
driverbyte=DRIVER_OK,SUGGEST_OK
end_request: I/O error, dev sdd, sector 1767487
sd 3:0:0:0: [sdd] Result: hostbyte=DID_BAD_TARGET 
driverbyte=DRIVER_OK,SUGGEST_OK
end_request: I/O error, dev sdd, sector 1767615
md: md2: recovery done.
RAID1 conf printout:
 --- wd:1 rd:2
 disk 0, wo:0, o:1, dev:sdc1
 disk 1, wo:1, o:0, dev:sdd1


View attachment "dmesg" of type "text/plain" (29309 bytes)