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SubjectRe: Very slow SATA with Silicon Image (SiI3112) Kernel 2.4.21

I have this in process, determining how best to reconstruct the dma engine
based on io direction is key. Allowing the driver to auto sense for the
setfeatures for ultra dma mode is a one liner, that has been publish but
ignored. Once the vendor and I have decided how to address the new
problems in linux in recent kernels, the proper fix will be released.

Cheers,

Andre Hedrick
Linux Serial ATA Solutions
LAD Storage Consulting Group

On 29 Jul 2003, John Lange wrote:

> I have just built a server using an ASUS A7N8X deluxe Motherboard with
> and AMD 2500. The motherboard includes the Silicon Image Serial ATA
> system. Attached are two Maxtor 120Gig serial ATA drives.
>
> I have compiled a new kernel (2.4.21) which includes support for the
> Sil3112.
>
> The machine boots but have very slow drive access. Can someone please
> tell me if there are some settings to improve drive throughput?
>
> Here are the details:
>
> hdparm -Tt /dev/hdg
> /dev/hdg:
> Timing buffer-cache reads: 1148 MB in 2.00 seconds = 574.00 MB/sec
> Timing buffered disk reads: 4 MB in 3.02 seconds = 1.32 MB/sec
>
> For comparison here is the results from an ancient AMD K6-200Mhz box:
>
> /dev/hdb:
> Timing buffer-cache reads: 128 MB in 2.73 seconds = 46.89 MB/sec
> Timing buffered disk reads: 64 MB in 7.58 seconds = 8.44 MB/sec
>
> >From dmesg:
>
> ---- start dmesg -----
> Linux version 2.4.21 (root@mercury) (gcc version 3.2.2) #1 Mon Jul 28
> 22:47:10 CDT 2003
> BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
> BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
> BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000003fff0000 (usable)
> BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS)
> BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data)
> BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
> BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
> BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
> 127MB HIGHMEM available.
> 896MB LOWMEM available.
> On node 0 totalpages: 262128
> zone(0): 4096 pages.
> zone(1): 225280 pages.
> zone(2): 32752 pages.
> Kernel command line: auto BOOT_IMAGE=Linux-ATARAID ro root=2101
> Found and enabled local APIC!
> Initializing CPU#0
> Detected 1094.143 MHz processor.
> Console: colour VGA+ 80x25
> Calibrating delay loop... 2182.34 BogoMIPS
> Memory: 1033156k/1048512k available (1661k kernel code, 14968k reserved,
> 367k data, 300k init, 131008k highmem)
> Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
> Inode cache hash table entries: 65536 (order: 7, 524288 bytes)
> Mount cache hash table entries: 512 (order: 0, 4096 bytes)
> Buffer-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Page-cache hash table entries: 262144 (order: 8, 1048576 bytes)
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 512K (64 bytes/line)
> CPU: After generic, caps: 0383fbff c1c3fbff 00000000 00000000
> CPU: Common caps: 0383fbff c1c3fbff 00000000 00000000
> CPU: AMD Athlon(tm) stepping 00
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... OK.
> POSIX conformance testing by UNIFIX
> enabled ExtINT on CPU#0
> ESR value before enabling vector: 00000000
> ESR value after enabling vector: 00000000
> Using local APIC timer interrupts.
> calibrating APIC timer ...
> ..... CPU clock speed is 1094.1582 MHz.
> ..... host bus clock speed is 198.9377 MHz.
> cpu: 0, clocks: 1989377, slice: 994688
> CPU0<T0:1989376,T1:994688,D:0,S:994688,C:1989377>
> PCI: PCI BIOS revision 2.10 entry at 0xfb490, last bus=3
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> PCI: Using IRQ router default [10de/01e0] at 00:00.0
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> Starting kswapd
> allocated 32 pages and 32 bhs reserved for the highmem bounces
> VFS: Diskquotas version dquot_6.4.0 initialized
> Journalled Block Device driver loaded
> pty: 512 Unix98 ptys configured
> Real Time Clock Driver v1.10e
> ipmi: message handler initialized
> ipmi: device interface at char major 254
> ipmi_kcs: No KCS @ port 0x0ca2
> ipmi_kcs: Unable to find any KCS interfaces
> IPMI watchdog by Corey Minyard (minyard@mvista.com)
> Floppy drive(s): fd0 is 1.44M
> FDC 0 is a post-1991 82077
> RAMDISK driver initialized: 16 RAM disks of 7777K size 1024 blocksize
> loop: loaded (max 8 devices)
> Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4
> ide: Assuming 33MHz system bus speed for PIO modes; override with
> idebus=xx
> NFORCE2: IDE controller at PCI slot 00:09.0
> NFORCE2: chipset revision 162
> NFORCE2: not 100% native mode: will probe irqs later
> ide: Assuming 33MHz system bus speed for PIO modes; override with
> idebus=xx
> AMD_IDE: PCI device 10de:0065 (nVidia Corporation) (rev a2) UDMA100
> controller on pci00:09.0
> ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
> ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
> SiI3112 Serial ATA: IDE controller at PCI slot 01:0b.0
> SiI3112 Serial ATA: chipset revision 2
> SiI3112 Serial ATA: not 100% native mode: will probe irqs later
> ide2: MMIO-DMA , BIOS settings: hde:pio, hdf:pio
> ide3: MMIO-DMA , BIOS settings: hdg:pio, hdh:pio
> hdd: CD-ROM TW 120D, ATAPI CD/DVD-ROM drive
> hdd: set_drive_speed_status: status=0x51 { DriveReady SeekComplete Error
> }
> hdd: set_drive_speed_status: error=0x04
> ide1: Drive 1 didn't accept speed setting. Oh, well.
> hde: Maxtor 6Y120M0, ATA DISK drive
> hdg: Maxtor 6Y120M0, ATA DISK drive
> ide1 at 0x170-0x177,0x376 on irq 15
> ide2 at 0xf880d080-0xf880d087,0xf880d08a on irq 11
> ide3 at 0xf880d0c0-0xf880d0c7,0xf880d0ca on irq 11
> hde: attached ide-disk driver.
> hde: host protected area => 1
> hde: 240121728 sectors (122942 MB) w/7936KiB Cache, CHS=238216/16/63
> hdg: attached ide-disk driver.
> hdg: host protected area => 1
> hdg: 240121728 sectors (122942 MB) w/7936KiB Cache, CHS=238216/16/63
> hdd: attached ide-cdrom driver.
> hdd: ATAPI 12X CD-ROM drive, 240kB Cache, DMA
> Uniform CD-ROM driver Revision: 3.12
> Partition check:
> hde: hde1 hde2
> hdg: hdg1 hdg2
> Promise Fasttrak(tm) Softwareraid driver 0.03beta: No raid array found
> Highpoint HPT370 Softwareraid driver for linux version 0.01-ww1
> No raid array found
> No raid array found
> No raid array found
> Guestimating sector 240120703 for superblock
> Guestimating sector 240120703 for superblock
> driver for Silicon Image(tm) Medley(tm) hardware version 0.0.1: No raid
> array found
> md: linear personality registered as nr 1
> md: raid0 personality registered as nr 2
> md: raid1 personality registered as nr 3
> md: raid5 personality registered as nr 4
> raid5: measuring checksumming speed
> 8regs : 1671.600 MB/sec
> 32regs : 1184.400 MB/sec
> pIII_sse : 3104.800 MB/sec
> pII_mmx : 2564.000 MB/sec
> p5_mmx : 3289.200 MB/sec
> raid5: using function: pIII_sse (3104.800 MB/sec)
> md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
> md: Autodetecting RAID arrays.
> md: autorun ...
> md: ... autorun DONE.
> LVM version 1.0.5+(22/07/2002)
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP
> IP: routing cache hash table of 8192 buckets, 64Kbytes
> TCP: Hash tables configured (established 262144 bind 65536)
> ip_conntrack version 2.1 (8191 buckets, 65528 max) - 152 bytes per
> conntrack
> ip_tables: (C) 2000-2002 Netfilter core team
> arp_tables: (C) 2002 David S. Miller
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> IPv6 v0.8 for NET4.0
> IPv6 over IPv4 tunneling driver
> ip6_tables: (C) 2000-2002 Netfilter core team
> registering ipv6 mark target
> reiserfs: checking transaction log (device 21:01) ...
> reiserfs: replayed 1 transactions in 0 seconds
> Using r5 hash to sort names
> ReiserFS version 3.6.25
> VFS: Mounted root (reiserfs filesystem) readonly.
> Freeing unused kernel memory: 300k freed
> spurious 8259A interrupt: IRQ7.
> Adding Swap: 999896k swap-space (priority -1)
> reiserfs: checking transaction log (device 21:02) ...
> Using r5 hash to sort names
> ReiserFS version 3.6.25
> 3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
> See Documentation/networking/vortex.txt
> 02:01.0: 3Com PCI 3c920 Tornado at 0xc000. Vers LK1.1.16
> 00:26:54:0e:d6:2c, IRQ 5
> product code ffff rev 00.0 date 15-31-127
> Internal config register is 1600000, transceivers 0x40.
> 8K byte-wide RAM 5:3 Rx:Tx split, autoselect/MII interface.
> MII transceiver found at address 2, status 786d.
> Enabling bus-master transmits and whole-frame receives.
> 02:01.0: scatter/gather enabled. h/w checksums enabled
> eth0: no IPv6 routers present
>
> ---- end dmesg -----
>
> from: cat /proc/ide/siimage
>
> Controller: 0
> SiI3112 Chipset.
> MMIO Base 0xf880d000
> MMIO-DMA Base 0xf880d000
> MMIO-DMA Base 0xf880d008
> --------------- Primary Channel ---------------- Secondary Channel
> -------------
> --------------- drive0 --------- drive1 -------- drive0 ----------
> drive1 ------
> PIO Mode: ? ? ? ?
>
>
> Here is: hdparm -I /dev/hdg
>
> /dev/hdg:
>
> ATA device, with non-removable media
> Model Number: Maxtor 6Y120M0
> Serial Number: Y31XCBEE
> Firmware Revision: YAR51BW0
> Standards:
> Supported: 7 6 5 4
> Likely used: 7
> Configuration:
> Logical max current
> cylinders 16383 16383
> heads 16 16
> sectors/track 63 63
> --
> CHS current addressable sectors: 16514064
> LBA user addressable sectors: 240121728
> device size with M = 1024*1024: 117246 MBytes
> device size with M = 1000*1000: 122942 MBytes (122 GB)
> Capabilities:
> LBA, IORDY(can be disabled)
> Queue depth: 1
> Standby timer values: spec'd by Standard, no device specific
> minimum
> R/W multiple sector transfer: Max = 16 Current = 16
> Advanced power management level: unknown setting (0x0000)
> Recommended acoustic management value: 192, current value: 254
> DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
> udma6
> Cycle time: min=120ns recommended=120ns
> PIO: pio0 pio1 pio2 pio3 pio4
> Cycle time: no flow control=120ns IORDY flow control=120ns
> Commands/features:
> Enabled Supported:
> * NOP cmd
> * READ BUFFER cmd
> * WRITE BUFFER cmd
> * Host Protected Area feature set
> * Look-ahead
> * Write cache
> * Power Management feature set
> Security Mode feature set
> * SMART feature set
> * FLUSH CACHE EXT command
> * Mandatory FLUSH CACHE command
> * Device Configuration Overlay feature set
> * Automatic Acoustic Management feature set
> SET MAX security extension
> Advanced Power Management feature set
> * DOWNLOAD MICROCODE cmd
> * SMART self-test
> * SMART error logging
>
> If I have missed any important information please let me know.
>
> Regards,
>
> John Lange
>
>
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