DMA timing issues with promise controllers

[mutex]

maybe this thread on lkml may be of use ?

http://marc.theaimsgroup.com/?l=linux-kernel&m=107413349919441&w=2

On Sun, Jan 11, 2004 at 10:54:47PM -0800 or thereabouts, mutex wrote:
> Hello all ;-)
> I spoke with benh briefly on irc about a problem I was having with
> some promise controllers on my quicksilver G4(867).
> During boot I get a slew of 'DriveReady SeekComplete Error' and
> 'DriveStatusError BadCRC' during what looks like some dma timing
> tests.
> I attached my dmesg.  I did a few tests and this problem manifests
> itself irregardless of harddrive(multiple size/version of maxtor
> harddrives) and with multiple versions of the promise
> chipset(PDC20267, PDC20268)
> The drives work fine after a ide reset, but the reset sequence happens
> again when I attempt to use fdisk or mount a partition.
>
> I'm willing to do some of the debugging myself, just not sure where to
> start.
> clues anyone ?

> Memory BAT mapping: BAT2=256Mb, BAT3=256Mb, residual: 1024Mb
> Total memory = 1024MB; using 2048kB for hash table (at c0400000)
> Linux version 2.4.21-ppc-r2 (root at TiBook.GentooPPC) (gcc version 3.2.3 20030422 (Gentoo Linux 1.4 3.2.3-r1, propolice)) #1 Thu Jul 24 03:30:14 Local time zone must be set--see zic manu
> Found Uninorth memory controller & host bridge, revision: 17
> Mapped at 0xfdebc000
> Found a Keylargo mac-io controller, rev: 3, mapped at 0xfde3c000
> Processor NAP mode on idle enabled.
> PowerMac motherboard: PowerMac G4 Silver
> CPU MSCCR0 : 0x00008003
> CPU HID1   : 0x8000ac80
> Found UniNorth PCI host bridge at 0xf0000000. Firmware bus number: 0->0
> hose pci, pci_mem_offset: 00000000, start0: f1000000
>   io_base_virt: fd638000, io_base_phys: f0000000, isa_mem_base: 00000000
> Found UniNorth PCI host bridge at 0xf2000000. Firmware bus number: 0->0
> hose pci, pci_mem_offset: 00000000, start0: f3000000
>   io_base_virt: fce36000, io_base_phys: f2000000, isa_mem_base: 00000000
> Found UniNorth PCI host bridge at 0xf4000000. Firmware bus number: 0->0
> hose pci, pci_mem_offset: 00000000, start0: f5000000
>   io_base_virt: fc634000, io_base_phys: f4000000, isa_mem_base: 00000000
> PMU driver 2 initialized for Core99, firmware: 0c
> On node 0 totalpages: 262144
> zone(0): 196608 pages.
> zone(1): 0 pages.
> zone(2): 65536 pages.
> Kernel command line: root=/dev/ram rw ramdisk_size=11000 init=/linuxrc
> PowerMac using OpenPIC irq controller
> OpenPIC Version 1.2 (4 CPUs and 64 IRQ sources) at fc5ed000
> OpenPIC timer frequency is 4.166666 MHz
> GMT Delta read from XPRAM: -360 minutes, DST: on
> time_init: decrementer frequency = 33.290001 MHz
> Console: colour dummy device 80x25
> Calibrating delay loop... 865.07 BogoMIPS
> Memory: 1026496k available (2368k kernel code, 1120k data, 176k init, 262144k highmem)
> AGP special page: 0xeffff000
> 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)
> POSIX conformance testing by UNIFIX
> PCI: Probing PCI hardware
> Scanning bus 00
> Found 00:58 [106b/002d] 000600 00
> Found 00:80 [1002/4966] 000300 00
> Fixup res 1 (101) of dev 00:10.0: 400 -> 802400
> Fixups for bus 00
> Bus scan for 00 returning with max=00
> Scanning bus 10
> Found 10:58 [106b/002e] 000600 00
> Found 10:90 [14e4/5820] 000b40 00
> Found 10:98 [13a3/0012] 000b40 00
> Found 10:a0 [13a3/0012] 000b40 00
> Found 10:a8 [105a/4d69] 000180 00
> Found 10:b8 [106b/0022] 00ff00 00
> Found 10:c0 [106b/0019] 000c03 00
> Found 10:c8 [106b/0019] 000c03 00
> Fixups for bus 10
> Bus scan for 10 returning with max=10
> Scanning bus 20
> Found 20:58 [106b/002f] 000600 00
> Found 20:70 [11c1/5811] 000c00 00
> Found 20:78 [106b/0021] 000200 00
> Fixups for bus 20
> Bus scan for 20 returning with max=20
> PCI->OF bus map:
> 0 -> 0
> 16 -> 0
> 32 -> 0
> PCI: bridge rsrc 802000..1001fff (100), parent c02a7164
> PCI: bridge rsrc f1000000..f1ffffff (200), parent c02a7180
> PCI: bridge rsrc 90000000..9fffffff (200), parent c02a7180
> PCI: bridge rsrc 0..7fffff (100), parent c02a7164
> PCI: bridge rsrc f3000000..f3ffffff (200), parent c02a7180
> PCI: bridge rsrc 80000000..8fffffff (200), parent c02a7180
> PCI: bridge rsrc ff7fe000..ffffdfff (100), parent c02a7164
> PCI: bridge rsrc f5000000..f5ffffff (200), parent c02a7180
> PCI:00:10.0: Resource 0: 98000000-9fffffff (f=1208), vd: 1002, dev: 4966
> PCI:00:10.0: Resource 2: 90000000-9000ffff (f=200), vd: 1002, dev: 4966
> PCI:10:17.0: Resource 0: 80000000-8007ffff (f=200), vd: 106b, dev: 0022
> PCI:20:0f.0: Resource 0: f5200000-f53fffff (f=200), vd: 106b, dev: 0021
> PCI:00:10.0: Resource 1: 00802400-008024ff (f=101), vd: 1002, dev: 4966
> PCI:10:12.0: Resource 0: 80090000-8009ffff (f=200), vd: 14e4, dev: 5820
> PCI:10:13.0: Resource 0: 80085000-80085fff (f=200), vd: 13a3, dev: 0012
> PCI:10:13.0: Resource 1: 80084000-80084fff (f=200), vd: 13a3, dev: 0012
> PCI:10:14.0: Resource 0: 80083000-80083fff (f=200), vd: 13a3, dev: 0012
> PCI:10:14.0: Resource 1: 80082000-80082fff (f=200), vd: 13a3, dev: 0012
> PCI:10:15.0: Resource 0: 00000440-00000447 (f=101), vd: 105a, dev: 4d69
> PCI:10:15.0: Resource 1: 00000430-00000433 (f=101), vd: 105a, dev: 4d69
> PCI:10:15.0: Resource 2: 00000420-00000427 (f=101), vd: 105a, dev: 4d69
> PCI:10:15.0: Resource 3: 00000410-00000413 (f=101), vd: 105a, dev: 4d69
> PCI:10:15.0: Resource 4: 00000400-0000040f (f=101), vd: 105a, dev: 4d69
> PCI:10:15.0: Resource 5: 8008c000-8008ffff (f=200), vd: 105a, dev: 4d69
> PCI:10:18.0: Resource 0: 80081000-80081fff (f=200), vd: 106b, dev: 0019
> PCI:10:19.0: Resource 0: 80080000-80080fff (f=200), vd: 106b, dev: 0019
> PCI:20:0e.0: Resource 0: f5000000-f5000fff (f=200), vd: 11c1, dev: 5811
> PCI: Enabling device 10:15.0 (0004 -> 0007)
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> Thermal assist unit not available
> Starting kswapd
> allocated 32 pages and 32 bhs reserved for the highmem bounces
> Journalled Block Device driver loaded
> devfs: v1.12c (20020818) Richard Gooch (rgooch at atnf.csiro.au)
> devfs: boot_options: 0x0
> PCI: Enabling device 00:10.0 (0086 -> 0087)
> radeonfb: ref_clk=2700, ref_div=12, xclk=24975 from OF
> radeonfb: detected DFP panel size from EDID: 1280x1024
> Console: switching to colour frame buffer device 160x64
> radeonfb: ATI Radeon 9000 If DDR SGRAM 64 MB
> radeonfb: DVI port no monitor connected
> radeonfb: CRT port DFP monitor connected
> input0: Macintosh mouse button emulation
> pty: 256 Unix98 ptys configured
> RAMDISK driver initialized: 16 RAM disks of 11000K size 1024 blocksize
> loop: loaded (max 8 devices)
> sungem.c:v0.97 3/20/02 David S. Miller (davem at redhat.com)
> eth0: Sun GEM (PCI) 10/100/1000BaseT Ethernet 00:03:93:1b:09:3a
> eth0: Found BCM5411 PHY
> PPP generic driver version 2.4.2
> PPP Deflate Compression module registered
> Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> PDC20269: IDE controller at PCI slot 10:15.0
> PDC20269: chipset revision 2
> PDC20269: not 100% native mode: will probe irqs later
> PDC20269: ROM enabled at 0x80088000
>     ide0: BM-DMA at 0x0400-0x0407, BIOS settings: hda:pio, hdb:pio
>     ide1: BM-DMA at 0x0408-0x040f, BIOS settings: hdc:pio, hdd:pio
> ide2: Found Apple KeyLargo ATA-4 controller, bus ID 2
> ide3: Found Apple KeyLargo ATA-3 controller, bus ID 0
> ide4: Found Apple KeyLargo ATA-3 controller, bus ID 1
> Probing IDE interface ide0...
> hda: Maxtor 6Y160P0, ATA DISK drive
> blk: queue c0379d30, I/O limit 4095Mb (mask 0xffffffff)
> Probing IDE interface ide1...
> hdc: Maxtor 6Y160P0, ATA DISK drive
> blk: queue c037a1a0, I/O limit 4095Mb (mask 0xffffffff)
> Probing IDE interface ide2...
> Probing IDE interface ide3...
> hdg: PIONEER DVD-RW DVR-103, ATAPI CD/DVD-ROM drive
> hdg: Enabling MultiWord DMA 2
> Probing IDE interface ide4...
> ide0 at 0x440-0x447,0x432 on irq 58
> ide1 at 0x420-0x427,0x412 on irq 58
> ide3 at 0xf5359000-0xf5359007,0xf5359160 on irq 20
> hda: attached ide-disk driver.
> hda: max request size: 1024KiB
> hda: host protected area => 1
> hda: 320173056 sectors (163929 MB) w/7936KiB Cache, CHS=19929/255/63, UDMA(133)
> hdc: attached ide-disk driver.
> hdc: max request size: 1024KiB
> hdc: host protected area => 1
> hdc: 320173056 sectors (163929 MB) w/7936KiB Cache, CHS=19929/255/63, UDMA(133)
> hdg: attached ide-cdrom driver.
> hdg: ATAPI 24X DVD-ROM DVD-R CD-R/RW drive, 2000kB Cache, DMA
> Uniform CD-ROM driver Revision: 3.12
> Partition check:
>  /dev/ide/host0/bus0/target0/lun0:hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
> blk: queue c0379d30, I/O limit 4095Mb (mask 0xffffffff)
> PDC202XX: Primary channel reset.
> ide0: reset: success
> hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hda: dma_timer_expiry: dma status == 0x21
> hda: timeout waiting for DMA
> PDC202XX: Primary channel reset.
> hda: timeout waiting for DMA
> hda: (__ide_dma_test_irq) called while not waiting
>  p1
>  /dev/ide/host0/bus1/target0/lun0:hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hdc: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hdc: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hdc: dma_timer_expiry: dma status == 0x21
> hdc: timeout waiting for DMA
> PDC202XX: Secondary channel reset.
> hdc: timeout waiting for DMA
> hdc: (__ide_dma_test_irq) called while not waiting
> blk: queue c037a1a0, I/O limit 4095Mb (mask 0xffffffff)
>  p1
> SCSI subsystem driver Revision: 1.00
> scsi0 : SCSI host adapter emulation for IDE ATAPI devices
> mesh: configured for synchronous 5 MB/s
> orinoco.c 0.13d (David Gibson <hermes at gibson.dropbear.id.au> and others)
> hermes.c: 4 Dec 2002 David Gibson <hermes at gibson.dropbear.id.au>
> airport.c 0.13d (Benjamin Herrenschmidt <benh at kernel.crashing.org>)
> Macintosh non-volatile memory driver v1.0
> apm_emu: APM Emulation 0.5 initialized.
> usb.c: registered new driver usbdevfs
> usb.c: registered new driver hub
> PCI: Enabling device 10:18.0 (0000 -> 0002)
> PCI: Enabling bus mastering for device 10:18.0
> host/usb-ohci.c: USB OHCI at membase 0xf5365000, IRQ 27
> host/usb-ohci.c: usb-10:18.0, Apple Computer Inc. KeyLargo USB
> adb: starting probe task...
> adb: finished probe task...
> usb.c: new USB bus registered, assigned bus number 1
> hub.c: USB hub found
> hub.c: 2 ports detected
> PCI: Enabling device 10:19.0 (0000 -> 0002)
> PCI: Enabling bus mastering for device 10:19.0
> host/usb-ohci.c: USB OHCI at membase 0xf5367000, IRQ 28
> host/usb-ohci.c: usb-10:19.0, Apple Computer Inc. KeyLargo USB (#2)
> usb.c: new USB bus registered, assigned bus number 2
> hub.c: USB hub found
> hub.c: 2 ports detected
> usb.c: registered new driver hid
> hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <vojtech at suse.cz>
> hid-core.c: USB HID support drivers
> usb.c: registered new driver rio500
> rio500.c: v1.1:USB Rio 500 driver
> usb.c: registered new driver auerswald
> mice: PS/2 mouse device common for all mice
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP, IGMP
> IP: routing cache hash table of 8192 buckets, 64Kbytes
> TCP: Hash tables configured (established 262144 bind 65536)
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> IPv6 v0.8 for NET4.0
> IPv6 over IPv4 tunneling driver
> RAMDISK: Compressed image found at block 0
> Freeing initrd memory: 3206k freed
> VFS: Mounted root (ext2 filesystem).
> Freeing unused kernel memory: 176k init 4k chrp 36k prep
> ISO 9660 Extensions: Microsoft Joliet Level 3
> hub.c: new USB device 10:19.0-1, assigned address 2
> hub.c: USB hub found
> hub.c: 3 ports detected
> ISO 9660 Extensions: RRIP_1991A
> hub.c: new USB device 10:19.0-1.1, assigned address 3
> cloop: Welcome to cloop v0.66
> usb_control/bulk_msg: timeout
> input1: USB HID v10.01 Keyboard [Mitsumi Electric Apple Extended USB Keyboard] on usb2:3.0
> input2: USB HID v10.01 Pointer [Mitsumi Electric Apple Extended USB Keyboard] on usb2:3.1
> hub.c: new USB device 10:19.0-1.2, assigned address 4
> input3: USB HID v10.01 Mouse [Fujitsu Takamisawa Component Apple Optical USB Mouse] on usb2:4.0
> hub.c: new USB device 10:18.0-2, assigned address 2
> hub.c: USB hub found
> hub.c: 3 ports detected
> hub.c: new USB device 10:18.0-2.3, assigned address 3
> : USB HID v0.01 Pointer [05ac:9217] on usb1:3.0
> eth0: Link is up at 100 Mbps, full-duplex.
> eth0: Pause is enabled (rxfifo: 10240 off: 7168 on: 5632)
> eth0: no IPv6 routers present
> eth0: Link is up at 100 Mbps, full-duplex.
> eth0: Pause is enabled (rxfifo: 10240 off: 7168 on: 5632)
> eth0: no IPv6 routers present
> md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27


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