Re: CRH Out of Town

[Matthew Dharm <mdharm-kernel@one-eyed-alien.net>]

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Have you tried enabling DMA on the drive?

Matt

On Tue, Sep 03, 2002 at 06:45:00PM -0700, Joseph N. Hall wrote:
> Dear Kernel Folks,
> 
> I am trying to determine the cause of the poor performance of a
> an IDE DVD device on my new machine.  I have an IDE Panasonic DF-210-type
> DVD-RAM/R/ROM in a new machine with Soyo KT333 motherboard.  It
> transfers data slowly (below DVD speed), consumes large amounts of
> system time, and slows down the user interface and even system
> clock (which can run as slow as 1/4 speed while the drive is
> going).
> 
> The interrupt ERR count below seems to be mostly related to use
> of the DVD drive.
> 
> Maybe it's something simple.  If not, I'll be glad to do further
> work to help diagnose the problem.
> 
> Here are some possibly relevant details:
> 
> # uname -a
> Linux dhcppc4 2.4.20-pre5-ac1 #4 Sun Sep 1 22:06:11 PDT 2002 i686 unknown
> 
> # cat /proc/cpuinfo
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 6
> model           : 6
> model name      : AMD Athlon(tm) XP 2100+
> stepping        : 2
> cpu MHz         : 1729.054
> cache size      : 256 KB
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
> bogomips        : 3447.19
> 
> # cat /proc/interrupts
>            CPU0
>   0:    2389082          XT-PIC  timer
>   1:          4          XT-PIC  keyboard
>   2:          0          XT-PIC  cascade
>   5:        107          XT-PIC  usb-uhci
>   8:    1293953          XT-PIC  rtc
>  10:          0          XT-PIC  usb-uhci
>  11:     124849          XT-PIC  eth0, EMU10K1
>  12:      46058          XT-PIC  usb-uhci, usb-uhci, ehci-hcd, cmpci
>  14:      56020          XT-PIC  ide0
>  15:          7          XT-PIC  ide1
> NMI:          0
> LOC:    2388955
> ERR:        927
> MIS:          0
> 
> # dmesg | more
> 
> Linux version 2.4.20-pre5-ac1 (root@dhcppc4) (gcc version 2.96 20000731 (Red Hat
>  Linux 7.3 2.96-110)) #4 Sun Sep 1 22:06:11 PDT 2002
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
>  BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000005fff0000 (usable)
>  BIOS-e820: 000000005fff0000 - 000000005fff3000 (ACPI NVS)
>  BIOS-e820: 000000005fff3000 - 0000000060000000 (ACPI data)
>  BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
> 639MB HIGHMEM available.
> 896MB LOWMEM available.
> On node 0 totalpages: 393200
> zone(0): 4096 pages.
> zone(1): 225280 pages.
> zone(2): 163824 pages.
> Kernel command line: auto BOOT_IMAGE=2.4.20.p5ac1 ro root=305 BOOT_FILE=/boot/vm
> linuz-2.4.20-pre5-ac1 hdc=ide-scsi hdd=ide-scsi
> ide_setup: hdc=ide-scsi
> ide_setup: hdd=ide-scsi
> Local APIC disabled by BIOS -- reenabling.
> Found and enabled local APIC!
> Initializing CPU#0
> Detected 1729.054 MHz processor.
> Console: colour VGA+ 80x25
> Calibrating delay loop... 3447.19 BogoMIPS
> Memory: 1548660k/1572800k available (1116k kernel code, 23756k reserved, 464k da
> ta, 136k init, 655296k highmem)
> Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
> Inode cache hash table entries: 131072 (order: 8, 1048576 bytes)
> Mount cache hash table entries: 512 (order: 0, 4096 bytes)
> ramfs: mounted with options: <defaults>
> ramfs: max_pages=193582 max_file_pages=0 max_inodes=0 max_dentries=193582
> Buffer cache hash table entries: 131072 (order: 7, 524288 bytes)
> Page-cache hash table entries: 524288 (order: 9, 2097152 bytes)
> CPU: Before vendor init, caps: 0383fbff c1c3fbff 00000000, vendor = 2
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 256K (64 bytes/line)
> CPU: After vendor init, caps: 0383fbff c1c3fbff 00000000 00000000
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU:     After generic, caps: 0383fbff c1c3fbff 00000000 00000000
> CPU:             Common caps: 0383fbff c1c3fbff 00000000 00000000
> CPU: AMD Athlon(tm) XP 2100+ stepping 02
> 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 1729.0935 MHz.
> ..... host bus clock speed is 266.0142 MHz.
> cpu: 0, clocks: 2660142, slice: 1330071
> CPU0<T0:2660128,T1:1330048,D:9,S:1330071,C:2660142>
> mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
> mtrr: detected mtrr type: Intel
> PCI: PCI BIOS revision 2.10 entry at 0xfb520, last bus=2
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> Unknown bridge resource 0: assuming transparent
> Unknown bridge resource 2: assuming transparent
> PCI: Using IRQ router default [1106/3099] at 00:00.0
> isapnp: Scanning for PnP cards...
> isapnp: No Plug & Play device found
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16)
> Starting kswapd
> allocated 32 pages and 32 bhs reserved for the highmem bounces
> VFS: Disk quotas vdquot_6.5.1
> Detected PS/2 Mouse Port.
> pty: 2048 Unix98 ptys configured
> Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ SER
> IAL_PCI ISAPNP enabled
> ttyS00 at 0x03f8 (irq = 4) is a 16550A
> ttyS01 at 0x02f8 (irq = 3) is a 16550A
> Real Time Clock Driver v1.10e
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha1
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> HPT372: IDE controller at PCI slot 00:0f.0
> HPT372: chipset revision 5
> HPT372: not 100% native mode: will probe irqs later
> HPT37X: using 33MHz PCI clock
>     ide2: BM-DMA at 0xd800-0xd807, BIOS settings: hde:pio, hdf:pio
>     ide3: BM-DMA at 0xd808-0xd80f, BIOS settings: hdg:pio, hdh:pio
> VP_IDE: IDE controller at PCI slot 00:11.1
> PCI: No IRQ known for interrupt pin A of device 00:11.1. Please try using pci=bi
> osirq.
> VP_IDE: chipset revision 6
> VP_IDE: not 100% native mode: will probe irqs later
> VP_IDE: VIA vt8233a (rev 00) IDE UDMA133 controller on pci00:11.1
>     ide0: BM-DMA at 0xe000-0xe007, BIOS settings: hda:DMA, hdb:DMA
>     ide1: BM-DMA at 0xe008-0xe00f, BIOS settings: hdc:DMA, hdd:DMA
> hda: WDC WD1200JB-00CRA1, ATA DISK drive
> hdb: WDC WD1200JB-00CRA1, ATA DISK drive
> hdc: ASUS CRW-4816A, ATAPI CD/DVD-ROM drive
> hdd: MATSHITADVD-RAM LF-D310, ATAPI CD/DVD-ROM drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> ide1 at 0x170-0x177,0x376 on irq 15
> hda: host protected area => 1
> hda: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=14593/255/63, UDMA(100)
> hdb: host protected area => 1
> hdb: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=14593/255/63, UDMA(100)
> ide-floppy driver 0.99.newide
> Partition check:
>  hda: hda1 hda2 hda3 hda4 < hda5 hda6 >
>  hdb: hdb1 hdb2 < hdb5 hdb6 >
> Floppy drive(s): fd0 is 1.44M
> FDC 0 is a post-1991 82077
> RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
> ide-floppy driver 0.99.newide
> md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
> md: Autodetecting RAID arrays.
> md: autorun ...
> md: ... autorun DONE.
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP, IGMP
> IP: routing cache hash table of 16384 buckets, 128Kbytes
> TCP: Hash tables configured (established 262144 bind 65536)
> Linux IP multicast router 0.06 plus PIM-SM
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> RAMDISK: Compressed image found at block 0
> Freeing initrd memory: 119k freed
> VFS: Mounted root (ext2 filesystem).
> Journalled Block Device driver loaded
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> Freeing unused kernel memory: 136k freed
> Adding Swap: 1052248k swap-space (priority -1)
> usb.c: registered new driver usbdevfs
> usb.c: registered new driver hub
> usb-uhci.c: $Revision: 1.275 $ time 21:01:49 Sep  1 2002
> usb-uhci.c: High bandwidth mode enabled
> usb-uhci.c: USB UHCI at I/O 0xc000, IRQ 5
> usb-uhci.c: Detected 2 ports
> 
> # cat /proc/pci
> PCI devices found:
>   Bus  0, device   0, function  0:
>     Host bridge: VIA Technologies, Inc. VT8367 [KT266] (rev 0).
>       Prefetchable 32 bit memory at 0xe8000000 [0xebffffff].
>   Bus  0, device   1, function  0:
>     PCI bridge: VIA Technologies, Inc. VT8367 [KT333 AGP] (rev 0).
>       Master Capable.  No bursts.  Min Gnt=12.
>   Bus  0, device   8, function  0:
>     Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 7).
>       IRQ 11.
>       Master Capable.  Latency=32.  Min Gnt=2.Max Lat=20.
>       I/O at 0xb000 [0xb01f].
>   Bus  0, device   8, function  1:
>     Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 7).
>       Master Capable.  Latency=32.
>       I/O at 0xb400 [0xb407].
>   Bus  0, device   9, function  0:
>     FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 70).
>       IRQ 5.
>       Master Capable.  Latency=32.  Max Lat=32.
>       Non-prefetchable 32 bit memory at 0xef002000 [0xef0027ff].
>       I/O at 0xb800 [0xb87f].
>   Bus  0, device  13, function  0:
>     Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 16).
>       IRQ 11.
>       Master Capable.  Latency=32.  Min Gnt=32.Max Lat=64.
>       I/O at 0xbc00 [0xbcff].
>       Non-prefetchable 32 bit memory at 0xef000000 [0xef0000ff].
>   Bus  0, device  14, function  0:
>     USB Controller: VIA Technologies, Inc. USB (rev 80).
>       IRQ 5.
>       Master Capable.  Latency=32.
>       I/O at 0xc000 [0xc01f].
>   Bus  0, device  14, function  1:
>     USB Controller: VIA Technologies, Inc. USB (#2) (rev 80).
>       IRQ 10.
>       Master Capable.  Latency=32.
>       I/O at 0xc400 [0xc41f].
>   Bus  0, device  17, function  2:
>     USB Controller: VIA Technologies, Inc. USB (#3) (rev 35).
>       IRQ 12.
>       Master Capable.  Latency=32.
>       I/O at 0xe400 [0xe41f].
>   Bus  0, device  17, function  3:
>     USB Controller: VIA Technologies, Inc. USB (#4) (rev 35).
>       IRQ 12.
>       Master Capable.  Latency=32.
>       I/O at 0xe800 [0xe81f].
>   Bus  0, device  14, function  2:
>     USB Controller: VIA Technologies, Inc. USB 2.0 (rev 81).
>       IRQ 12.
>       Master Capable.  Latency=32.
>       Non-prefetchable 32 bit memory at 0xef001000 [0xef0010ff].
>   Bus  0, device  15, function  0:
>     RAID bus controller: Triones Technologies, Inc. HPT366/368/370/370A/372 (rev 5).
>       IRQ 10.
>       Master Capable.  Latency=120.  Min Gnt=8.Max Lat=8.
>       I/O at 0xc800 [0xc807].
>       I/O at 0xcc00 [0xcc03].
>       I/O at 0xd000 [0xd007].
>       I/O at 0xd400 [0xd403].
>       I/O at 0xd800 [0xd8ff].
>   Bus  0, device  16, function  0:
>     Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 16).
>       IRQ 12.
>       Master Capable.  Latency=32.  Min Gnt=2.Max Lat=24.
>       I/O at 0xdc00 [0xdcff].
>   Bus  0, device  17, function  0:
>     ISA bridge: VIA Technologies, Inc. VT8233A ISA Bridge (rev 0).
>   Bus  0, device  17, function  1:
>     IDE interface: VIA Technologies, Inc. VT82C586B PIPC Bus Master IDE (rev 6).
>       Master Capable.  Latency=32.
>       I/O at 0xe000 [0xe00f].
>   Bus  1, device   0, function  0:
>     VGA compatible controller: ATI Technologies Inc Radeon 8500 DV (rev 0).
>       IRQ 11.
>       Master Capable.  Latency=32.  Min Gnt=8.
>       Prefetchable 32 bit memory at 0xe0000000 [0xe7ffffff].
>       I/O at 0xa000 [0xa0ff].
>       Non-prefetchable 32 bit memory at 0xed100000 [0xed11ffff].
>       Non-prefetchable 32 bit memory at 0xed120000 [0xed12ffff].
>   Bus  1, device   0, function  1:
>     PCI bridge: PCI device 1002:4243 (ATI Technologies Inc) (rev 0).
>       Master Capable.  Latency=32.  Min Gnt=2.
>   Bus  2, device   0, function  0:
>     FireWire (IEEE 1394): Lucent Microelectronics FW323 (rev 4).
>       IRQ 11.
>       Master Capable.  Latency=32.  Min Gnt=12.Max Lat=24.
>       Non-prefetchable 32 bit memory at 0xed000000 [0xed000fff].
> 
> 
> # hdparm /dev/hdd
> /dev/hdd:
>  HDIO_GET_MULTCOUNT failed: Invalid argument
>  I/O support  =  1 (32-bit)
>  unmaskirq    =  1 (on)
>  using_dma    =  0 (off)
>  keepsettings =  0 (off)
>  HDIO_GET_NOWERR failed: Invalid argument
>  readonly     =  0 (off)
>  BLKRAGET failed: Invalid argument
>  HDIO_GETGEO failed: Invalid argument
>  busstate     =  1 (on)
> 
> # cat /proc/ide/hdd/settings
> name                    value           min             max             mode
> ----                    -----           ---             ---             ----
> bios_cyl                0               0               1023            rw
> bios_head               0               0               255             rw
> bios_sect               0               0               63              rw
> current_speed           66              0               70              rw
> ide-scsi                0               0               1               rw
> init_speed              12              0               70              rw
> io_32bit                1               0               3               rw
> keepsettings            0               0               1               rw
> log                     0               0               1               rw
> nice1                   1               0               1               rw
> number                  3               0               3               rw
> pio_mode                write-only      0               255             w
> slow                    0               0               1               rw
> transform               1               0               3               rw
> unmaskirq               1               0               1               rw
> using_dma               0               0               1               rw
> 
> # cat /proc/ide/hdd/model
> MATSHITADVD-RAM LF-D310
> 
> 
> 
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-- 
Matthew Dharm                              Home: mdharm-usb@one-eyed-alien.net 
Maintainer, Linux USB Mass Storage Driver

It was a new hope.
					-- Dust Puppy
User Friendly, 12/25/1998

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