On 2007-07-03 09:42, Tejun Heo wrote:
Chuck Ebbert wrote:
From:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=245512
The following error consistently appears at apparently random intervals in syslog:
kernel: ata1.00: exception Emask 0x2 SAct 0x1001 SErr 0x0 action 0x2 frozen
kernel: ata1.00: (spurious completions during NCQ issue=0x0 SAct=0x1001
FIS=004040a1:00000800)
kernel: ata1.00: cmd 61/08:00:39:2b:cc/00:00:08:00:00/40 tag 0 cdb 0x0 data 4096 out
kernel: res 40/00:00:39:2b:cc/00:00:08:00:00/40 Emask 0x2 (HSM violation)
kernel: ata1.00: cmd 61/08:60:e1:2b:cc/00:00:08:00:00/40 tag 12 cdb 0x0 data
4096 out
kernel: res 40/00:00:39:2b:cc/00:00:08:00:00/40 Emask 0x2 (HSM violation)
Controller is ATI SB600 using the AHCI driver.
64-bit DMA is disabled.
Disk is:
ata1.00: ATA-7: ST3160812AS, 3.ADJ, max UDMA/133
Can't we just turn off NCQ automatically when this happens?
After sever such occasions, NCQ will be turned off automatically.
Hmm... It's a bit surprising to see this on a Seagate drive tho. Can
someone crosscheck this by attaching the drive to an intel ahci?
After upgradin kernel on one of my firewallas (2.6.14->2.6.20) I noticed
similar problem with another Seagate: ST380817AS connected to ICH6.
ata1: soft resetting port
ata1: hard resetting port
ata1: hard resetting port
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: configured for UDMA/133
ata1: EH complete
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
ata2: soft resetting port
ata2: hard resetting port
ata2: hard resetting port
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2.00: configured for UDMA/133
ata2: EH complete
SCSI device sdb: 156301488 512-byte hdwr sectors (80026 MB)
sdb: Write Protect is off
SCSI device sdb: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
ata1: soft resetting port
ata1: hard resetting port
ata1: hard resetting port
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: configured for UDMA/133
ata1: EH complete
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
ata1: soft resetting port
ata1: hard resetting port
ata1: hard resetting port
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: configured for UDMA/133
ata1: EH complete
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
ata2: soft resetting port
ata2: hard resetting port
ata2: hard resetting port
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2.00: configured for UDMA/133
ata2: EH complete
SCSI device sdb: 156301488 512-byte hdwr sectors (80026 MB)
sdb: Write Protect is off
SCSI device sdb: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
Disks are working in software (MD) mirror. Disabling NCQ for both disk
by adding '{ "ST380817AS", NULL, ATA_HORKAGE_NONCQ, },' solved my
issue - there are no more resets.
Part of dmesg:
ahci 0000:00:1f.2: version 2.0
ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ahci 0000:00:1f.2: AHCI 0001.0000 32 slots 4 ports 1.5 Gbps 0xf impl
SATA mode
ahci 0000:00:1f.2: flags: 64bit ncq pm led slum part
ata1: SATA max UDMA/133 cmd 0xE0802100 ctl 0x0 bmdma 0x0 irq 18
ata2: SATA max UDMA/133 cmd 0xE0802180 ctl 0x0 bmdma 0x0 irq 18
ata3: SATA max UDMA/133 cmd 0xE0802200 ctl 0x0 bmdma 0x0 irq 18
ata4: SATA max UDMA/133 cmd 0xE0802280 ctl 0x0 bmdma 0x0 irq 18
scsi0 : ahci
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: ATA-6, max UDMA/133, 156301488 sectors: LBA48 NCQ (not used)
ata1.00: ata1: dev 0 multi count 16
ata1.00: configured for UDMA/133
scsi1 : ahci
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2.00: ATA-6, max UDMA/133, 156301488 sectors: LBA48 NCQ (not used)
ata2.00: ata2: dev 0 multi count 16
ata2.00: configured for UDMA/133
scsi2 : ahci
ata3: SATA link down (SStatus 0 SControl 300)
scsi3 : ahci
ata4: SATA link down (SStatus 0 SControl 300)
scsi 0:0:0:0: Direct-Access ATA ST380817AS 3.42 PQ: 0 ANSI: 5
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sda: sda1 sda2 sda3 < sda5 sda6 sda7 >
sd 0:0:0:0: Attached scsi disk sda
sd 0:0:0:0: Attached scsi generic sg0 type 0
scsi 1:0:0:0: Direct-Access ATA ST380817AS 3.42 PQ: 0 ANSI: 5
SCSI device sdb: 156301488 512-byte hdwr sectors (80026 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
SCSI device sdb: 156301488 512-byte hdwr sectors (80026 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sdb: sdb1 sdb2 sdb3 < sdb5 sdb6 sdb7 >
sd 1:0:0:0: Attached scsi disk sdb
sd 1:0:0:0: Attached scsi generic sg1 type 0
Best regards,
Krzysztof Olędzki
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