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 DriverIt was a new hope. -- Dust Puppy User Friendly, 12/25/1998
This archive was generated by hypermail 2b29 : Sat Sep 07 2002 - 22:00:20 EST