Hello guys (especially Vojtech),
I've got a strange problem with my ZIP drive. If I connect it as /dev/hdd,
I'm not able to use uDMA on my hard disk (/dev/hda) properly anymore.
Once the kernel stopped with a "kernel panic" (because an disk I/O error
occured and ReiserFS coudn't read a superblock, so Linux wasn't able to mount
the root FS). Next time I tried to boot it, lots of DMA errors occured, but
the system booted. Unfortunally the disk transfer rate was 9MB/s and not 11
anymore...
Kernel: 2.4.2 (with VIA support enabled, but no "use DMA when available")
Chip: VT82C598MVP / VT82C586B
ZIP: Iomega ZIP 100MB drive
Hard disk: Maxtor 91080D5 (10GB)
CD-ROM: Asus CD-S400/A (/dev/hdc)
lspci output:
00:00.0 Host bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3] (rev 04)
Flags: bus master, medium devsel, latency 16
Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3 AGP]
(prog-if 00 [Normal decode])
Flags: bus master, 66Mhz, medium devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Memory behind bridge: e4000000-e7ffffff
Prefetchable memory behind bridge: e8000000-e8ffffff
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C586/A/B PCI-to-ISA [Apollo
VP] (rev 47)
Subsystem: VIA Technologies, Inc. MVP3 ISA Bridge
Flags: bus master, stepping, medium devsel, latency 0
00:07.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE [Apollo] (rev 06)
(prog-if 8a [Master SecP PriP])
Flags: bus master, medium devsel, latency 32
I/O ports at e000 [size=16]
00:07.2 USB Controller: VIA Technologies, Inc. VT82C586B USB (rev 02)
(prog-if 00 [UHCI])
Subsystem: Unknown device 0925:1234
Flags: bus master, medium devsel, latency 32, IRQ 12
I/O ports at e400 [size=32]
00:07.3 Host bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
Flags: medium devsel
00:09.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 08)
Subsystem: Ensoniq: Unknown device 1371
Flags: bus master, slow devsel, latency 32, IRQ 5
I/O ports at e800 [size=64]
Capabilities: [dc] Power Management version 1
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G200 AGP (rev
03) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc. Millennium G200 SD AGP
Flags: bus master, medium devsel, latency 32, IRQ 11
Memory at e8000000 (32-bit, prefetchable) [size=16M]
Memory at e4000000 (32-bit, non-prefetchable) [size=16K]
Memory at e5000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: [dc] Power Management version 1
Capabilities: [f0] AGP version 1.0
hdparm -i:
/dev/hda:
Model=Maxtor 91080D5, FwRev=GAS54112, SerialNo=A50BDR4C
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=29
BuffType=3(DualPortCache), BuffSize=512kB, MaxMultSect=16, MultSect=off
DblWordIO=no, OldPIO=2, DMA=yes, OldDMA=2
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=21095424
tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2
IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4
UDMA modes: mode0 mode1 mode2
Drive Supports : ATA/ATAPI-4 T13 1153D revision 17 : ATA-1 ATA-2 ATA-3 ATA-4
hdparm | grep version:
hdparm version: 3.6
dmesg:
Linux version 2.4.2 (root@Stopsack) (gcc version 2.95.2 19991024 (release))
#4 Sun Feb 25 11:15:33 CET 2001
BIOS-provided physical RAM map:
BIOS-e820: 000000000009fc00 @ 0000000000000000 (usable)
BIOS-e820: 0000000000000400 @ 000000000009fc00 (usable)
BIOS-e820: 0000000000010000 @ 00000000000f0000 (reserved)
BIOS-e820: 0000000000010000 @ 00000000ffff0000 (reserved)
BIOS-e820: 0000000013f00000 @ 0000000000100000 (usable)
On node 0 totalpages: 81920
zone(0): 4096 pages.
zone(1): 77824 pages.
zone(2): 0 pages.
Kernel command line: BOOT_IMAGE=lx24 ro root=304 1
Initializing CPU#0
Detected 350.802 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 699.59 BogoMIPS
Memory: 320180k/327680k available (927k kernel code, 7112k reserved, 335k
data, 176k init, 0k highmem)
Dentry-cache hash table entries: 65536 (order: 7, 524288 bytes)
Buffer-cache hash table entries: 32768 (order: 5, 131072 bytes)
Page-cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
CPU: Before vendor init, caps: 008021bf 808029bf 00000000, vendor = 2
CPU: L1 I Cache: 32K (32 bytes/line), D cache 32K (32 bytes/line)
CPU: After vendor init, caps: 008021bf 808029bf 00000000 00000002
CPU: After generic, caps: 008021bf 808029bf 00000000 00000002
CPU: Common caps: 008021bf 808029bf 00000000 00000002
CPU: AMD-K6(tm) 3D processor stepping 0c
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
PCI: PCI BIOS revision 2.10 entry at 0xfb3f0, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
Unknown bridge resource 0: assuming transparent
PCI: Using IRQ router VIA [1106/0586] at 00:07.0
Activating ISA DMA hang workarounds.
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Starting kswapd v1.8
parport0: PC-style at 0x378 [PCSPP(,...)]
Detected PS/2 Mouse Port.
pty: 256 Unix98 ptys configured
lp0: using parport0 (polling).
block: queued sectors max/low 212421kB/81349kB, 640 slots per queue
loop: enabling 8 loop devices
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller on PCI bus 00 dev 39
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: VIA vt82c586b (rev 47) IDE UDMA33 controller on pci00:07.1
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: Maxtor 91080D5, ATA DISK drive
hdc: ASUS CD-S400/A, ATAPI CD/DVD-ROM drive
hdd: IOMEGA ZIP 100 ATAPI, ATAPI FLOPPY drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 21095424 sectors (10801 MB) w/512KiB Cache, CHS=1313/255/63, UDMA(33)
hdc: ATAPI 40X CD-ROM drive, 128kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12
hdd: 98304kB, 196608 blocks, 512 sector size, , DMA
hdd: 98304kB, 96/64/32 CHS, 4096 kBps, 512 sector size, 2941 rpm
Partition check:
hda: hda1 hda2 hda3 hda4
hdd: hdd4
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
Serial driver version 5.02 (2000-08-09) with MANY_PORTS SHARE_IRQ SERIAL_PCI
enabled
ttyS01 at 0x02f8 (irq = 3) is a 16550A
PPP generic driver version 2.4.1
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 263M
agpgart: Detected Via MVP3 chipset
agpgart: AGP aperture is 64M @ 0xe0000000
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 4096 buckets, 32Kbytes
TCP: Hash tables configured (established 32768 bind 32768)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
fatfs: bogus cluster size
reiserfs: checking transaction log (device 03:04) ...
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 }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
Using tea hash to sort names
reiserfs: using 3.5.x disk format
ReiserFS version 3.6.25
VFS: Mounted root (reiserfs filesystem) readonly.
Freeing unused kernel memory: 176k freed
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 }
ide0: reset: success
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 }
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 }
ide0: reset: success
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 }
ide0: reset: success
Adding Swap: 104416k swap-space (priority -1)
VFS: Disk change detected on device ide1(22,68)
hdd: hdd4
VFS: Disk change detected on device ide1(22,68)
hdd: hdd4
/proc/ide/via:
----------VIA BusMastering IDE Configuration----------------
Driver Version: 3.20
South Bridge: VIA vt82c586b
Revision: ISA 0x47 IDE 0x6
BM-DMA base: 0xe000
PCI clock: 33MHz
Master Read Cycle IRDY: 1ws
Master Write Cycle IRDY: 1ws
BM IDE Status Register Read Retry: yes
Max DRDY Pulse Width: No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush: yes yes
End Sector FIFO flush: no no
Prefetch Buffer: yes yes
Post Write Buffer: yes no
Enabled: yes yes
Simplex only: no no
Cable Type: 40w 40w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode: DMA DMA UDMA DMA
Address Setup: 30ns 120ns 30ns 60ns
Cmd Active: 90ns 90ns 90ns 90ns
Cmd Recovery: 30ns 30ns 90ns 90ns
Data Active: 90ns 330ns 90ns 90ns
Data Recovery: 30ns 270ns 30ns 90ns
Cycle Time: 120ns 600ns 60ns 180ns
Transfer Rate: 16.5MB/s 3.3MB/s 33.0MB/s 11.0MB/s
my normal /proc/ide/via (without ZIP):
----------VIA BusMastering IDE Configuration----------------
Driver Version: 3.20
South Bridge: VIA vt82c586b
Revision: ISA 0x47 IDE 0x6
BM-DMA base: 0xe000
PCI clock: 33MHz
Master Read Cycle IRDY: 1ws
Master Write Cycle IRDY: 1ws
BM IDE Status Register Read Retry: yes
Max DRDY Pulse Width: No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush: yes yes
End Sector FIFO flush: no no
Prefetch Buffer: yes yes
Post Write Buffer: yes no
Enabled: yes yes
Simplex only: no no
Cable Type: 40w 40w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode: UDMA DMA UDMA DMA
Address Setup: 30ns 120ns 30ns 120ns
Cmd Active: 90ns 90ns 90ns 90ns
Cmd Recovery: 30ns 30ns 30ns 30ns
Data Active: 90ns 330ns 90ns 330ns
Data Recovery: 30ns 270ns 30ns 270ns
Cycle Time: 60ns 600ns 60ns 600ns
Transfer Rate: 33.0MB/s 3.3MB/s 33.0MB/s 3.3MB/s
BIOS' uDMA settings for Primary Master and Slave are "Auto", for Secondary
Master and Slave are "Disabled", but Linux detects DMA for all devices (see
dmesg).
What could I do? Try the 2.4.2-ac12 kernel?
cu Konrad
PS: Please excuse my BAD English - I'm only a 14-year-old schoolboy ;-)
--
Konrad Stopsack - [EMAIL PROTECTED]
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