Public bug reported:
I have an EPIA M910 (VX900 chipset) board with the latest BIOS (BIOS
1.01 2012/02/17 I2100101.zip). I have a Seagate SATA ST32000542AS drive
installed and a SATA PIONEER BDR-207D Blu-Ray burner installed for
backups. I have no IDE devices (the IDE slots on the mobo are empty).
In the latest BIOS, the options to select SATA or IDE modes have been
removed. When booting into Linux, these are clearly set by the BIOS to
IDE mode and this cannot be changed.
The kernel driver also unfortunately identifies the fictitious IDE
cables as 40-wire, which reduces the speed from UDMA/133 to UDMA/33.
This seriously negatively impacts on the usability of this machine. A
selection of the relevant portion of the dmesg output is appended to
illustrate the problem.
It looks like this might be an issue in the pata_via driver. The
fictitious IDE "cable" should rather be detected as 80-wire to enable
the UDMA/133 mode.
Ideally, it would be useful to be able to select SATA mode through a
kernel option and not have to rely on that option being set in the BIOS,
but I am unsure of whether that would be possible.
I have confirmed this issue with Ubuntu 12.10 as well.
---- dmesg output begins -----
[ 0.250142] libata version 3.00 loaded.
[ 1.107966] pata_acpi 0000:00:0f.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21
[ 1.108026] pata_acpi 0000:00:0f.0: PCI INT A disabled
[ 1.271856] pata_via 0000:00:0f.0: version 0.3.4
[ 1.271878] pata_via 0000:00:0f.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21
[ 1.278086] scsi0 : pata_via
[ 1.278234] scsi1 : pata_via
[ 1.279969] ata1: PATA max UDMA/133 cmd 0xbc00 ctl 0xb880 bmdma 0xb400 irq 21
[ 1.279973] ata2: DUMMY
[ 1.452365] ata1.00: ATA-8: ST32000542AS, CC35, max UDMA/133
[ 1.452372] ata1.00: 3907029168 sectors, multi 16: LBA48 NCQ (depth 0/32)
[ 1.452387] ata1.01: ATAPI: PIONEER BD-RW BDR-207D, 1.20, max UDMA/100
[ 1.452395] ata1.00: limited to UDMA/33 due to 40-wire cable
[ 1.452400] ata1.01: limited to UDMA/33 due to 40-wire cable
[ 1.468343] ata1.00: configured for UDMA/33
[ 1.484154] ata1.01: configured for UDMA/33
---- dmesg output ends -----
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-34-generic 3.2.0-34.53
ProcVersionSignature: Ubuntu 3.2.0-34.53-generic 3.2.33
Uname: Linux 3.2.0-34-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.0.1-0ubuntu15
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D2p', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
Card0.Amixer.info: Error: [Errno 2] No such file or directory
Card0.Amixer.values: Error: [Errno 2] No such file or directory
Date: Fri Dec 7 20:06:57 2012
HibernationDevice: RESUME=/dev/dm-2
InstallationMedia: Ubuntu-Server 10.10 "Maverick Meerkat" - Release i386
(20101007)
IwConfig: Error: [Errno 2] No such file or directory
MachineType: VIA technology Inc. VX900
MarkForUpload: True
ProcEnviron:
TERM=xterm
LANG=en_NZ.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-34-generic
root=/dev/mapper/home1vg-home1Main ro quiet
RelatedPackageVersions:
linux-restricted-modules-3.2.0-34-generic N/A
linux-backports-modules-3.2.0-34-generic N/A
linux-firmware 1.79.1
RfKill: Error: [Errno 2] No such file or directory
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2012-10-23 (45 days ago)
dmi.bios.date: 02/14/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: I2100101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: EITX-3002
dmi.board.vendor: VIA technology Inc.
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrI2100101:bd02/14/2012:svnVIAtechnologyInc.:pnVX900:pvr1.0:rvnVIAtechnologyInc.:rnEITX-3002:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: VX900
dmi.product.version: 1.0
dmi.sys.vendor: VIA technology Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
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https://bugs.launchpad.net/bugs/1087631
Title:
SATA drive reduced to UDMA/33
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