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Subjectkernel hangs on CD-R HP8100i if compiled w/ VIA IDE support.
Hi folks!

The Problem:
Kernel hangs when accessing CD-R HP8100i if VIA IDE chipset support
is compiled in. If VIA IDE is not compiled in kernel, it works.

Tested kernels:
2.2.16, RedHat 7.0's 2.2.16-22, 2.2.18, 2.2.18 + Andre's IDE patch,
2.4.0. All tested kernels behave as described. Compiled using kgcc on
RedHat 7. No other problems.

Hardware:
MB Microstar K7T Pro2-A (MS-6330) - ATA 100 capable, VIA KT133.
hda: ATA-100 30GB IBM drive
hdc: CD-R HP8100i (does not support UDMA modes).
BIOS reports following status:
"hda" ATA100 mode
"hdc" PIO3 mode

Kernel 2.4.0 w/ VIA IDE support messages:

Linux version 2.4.0-via (root@henryk.domain.cz) (gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #1 Sun Jan 21 11:54:55 CET 2001
BIOS-provided physical RAM map:
BIOS-e820: 000000000009fc00 @ 0000000000000000 (usable)
BIOS-e820: 0000000000000400 @ 000000000009fc00 (reserved)
BIOS-e820: 0000000000010000 @ 00000000000f0000 (reserved)
BIOS-e820: 0000000000010000 @ 00000000ffff0000 (reserved)
BIOS-e820: 0000000007ef0000 @ 0000000000100000 (usable)
BIOS-e820: 000000000000d000 @ 0000000007ff3000 (ACPI data)
BIOS-e820: 0000000000003000 @ 0000000007ff0000 (ACPI NVS)
On node 0 totalpages: 32752
zone(0): 4096 pages.
zone(1): 28656 pages.
zone(2): 0 pages.
Kernel command line: BOOT_IMAGE=linux.240via ro root=306 BOOT_FILE=/boot/vmlinuz-2.4.0-via
Initializing CPU#0
Detected 699.692 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 1395.91 BogoMIPS
Memory: 126760k/131008k available (917k kernel code, 3860k reserved, 359k data, 192k init, 0k highmem)
Dentry-cache hash table entries: 16384 (order: 5, 131072 bytes)
Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes)
Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
CPU: Before vendor init, caps: 0183f9ff c1c7f9ff 00000000, vendor = 2
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 64K (64 bytes/line)
CPU: After vendor init, caps: 0183f9ff c1c7f9ff 00000000 00000000
CPU: After generic, caps: 0183f9ff c1c7f9ff 00000000 00000000
CPU: Common caps: 0183f9ff c1c7f9ff 00000000 00000000
CPU: AMD Duron(tm) Processor stepping 01
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.37 (20001109) Richard Gooch (rgooch@atnf.csiro.au)
mtrr: detected mtrr type: Intel
PCI: PCI BIOS revision 2.10 entry at 0xfb250, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
DMI 2.2 present.
38 structures occupying 1029 bytes.
DMI table at 0x000F0800.
BIOS Vendor: Award Software International, Inc.
BIOS Version: 6.00 PG
BIOS Release: 11/13/00
System Vendor: MICRO-STAR INTERNATIONAL CO., LTD.
Product Name: MS-6330.
Version .
Serial Number .
Board Vendor: MICRO-STAR INTERNATIONAL CO., LTD.
Board Name: MS-6330.
Board Version: .
Starting kswapd v1.8
Winbond Super-IO detection, now testing ports 3F0,370,250,4E,2E ...
SMSC Super-IO detection, now testing Ports 2F0, 370 ...
parport0: PC-style at 0x378, irq 7 [PCSPP,EPP]
parport_pc: Via 686A parallel port: io=0x378, irq=7
pty: 256 Unix98 ptys configured
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
VP_IDE: VIA vt82c686a IDE UDMA66 controller on pci0:7.1
ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:DMA, hdd:pio
hda: IBM-DTLA-307030, ATA DISK drive
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
hdc: Hewlett-Packard CD-Writer Plus 8100, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 60036480 sectors (30739 MB) w/1916KiB Cache, CHS=3737/255/63, UDMA(33)
Partition check:
hda: hda1 hda2 < hda5 hda6 > hda3
hda3: <solaris: [s0] hda7 [s1] hda8 [s2] hda9 [s7] hda10 >
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
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
SCSI subsystem driver Revision: 1.00
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 8192 bind 8192)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
ACPI: System description tables found
ACPI: System description tables loaded
ACPI: Subsystem enabled
ACPI: System firmware supports: C2
ACPI: System firmware supports: S0 S1 S5
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 192k freed
Adding Swap: 265032k swap-space (priority -1)
Via 686a audio driver 1.1.14
ac97_codec: AC97 Audio codec, id: 0x4943:0x4511 (Unknown)
via82cxxx: board #1 at 0xDC00, IRQ 11
MSDOS FS: IO charset iso8859-2
MSDOS FS: Using codepage 852
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 94M
agpgart: Detected Via Apollo Pro KT133 chipset
agpgart: AGP aperture is 64M @ 0xd0000000
ne2k-pci.c:v1.02 10/19/2000 D. Becker/P. Gortmaker
http://www.scyld.com/network/ne2k-pci.html
eth0: RealTek RTL-8029 found at 0xe800, IRQ 11, 00:60:52:08:BE:A8.
-------------------------------------------------------------------------
After issuing mount /dev/hdc:
hdc: lost interrupt
hdc: ATAPI 24X CD-ROM CD-R/RW drive, 1024kB Cache, DMA
Uniform CD-ROM driver Revision: 3.12
hdc: lost interrupt

Kernel hangs (num lock not responding, console switching does not work,
no disk activity).

cat /proc/ide/via:

----------VIA BusMastering IDE Configuration----------------
Driver Version: 2.1e
South Bridge: VIA vt82c686a rev 0x40
Command register: 0x7
Latency timer: 32
PCI clock: 33MHz
Master Read Cycle IRDY: 0ws
Master Write Cycle IRDY: 0ws
FIFO Output Data 1/2 Clock Advance: on
BM IDE Status Register Read Retry: on
Max DRDY Pulse Width: No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush: on on
End Sect. FIFO flush: on on
Prefetch Buffer: on on
Post Write Buffer: on on
FIFO size: 8 8
Threshold Prim.: 1/2 1/2
Bytes Per Sector: 512 512
Both channels togth: yes yes
-------------------drive0----drive1----drive2----drive3-----
BMDMA enabled: yes no no no
Transfer Mode: UDMA DMA/PIO DMA/PIO DMA/PIO
Address Setup: 30ns 120ns 30ns 120ns
Active Pulse: 90ns 330ns 90ns 330ns
Recovery Time: 30ns 270ns 90ns 270ns
Cycle Time: 120ns 600ns 180ns 600ns
Transfer Rate: 16.5MB/s 3.3MB/s 11.0MB/s 3.3MB/s
------------------------------------------------------------------------------
cat /proc/pci:
PCI devices found:
Bus 0, device 0, function 0:
Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 2).
Prefetchable 32 bit memory at 0xd0000000 [0xd3ffffff].
Bus 0, device 1, function 0:
PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP] (rev 0).
Master Capable. No bursts. Min Gnt=12.
Bus 0, device 7, function 0:
ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 64).
Bus 0, device 7, function 1:
IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 6).
Master Capable. Latency=32.
I/O at 0xd000 [0xd00f].
Bus 0, device 7, function 2:
USB Controller: VIA Technologies, Inc. UHCI USB (rev 22).
IRQ 9.
Master Capable. Latency=32.
I/O at 0xd400 [0xd41f].
Bus 0, device 7, function 3:
USB Controller: VIA Technologies, Inc. UHCI USB (#2) (rev 22).
IRQ 9.
Master Capable. Latency=32.
I/O at 0xd800 [0xd81f].
Bus 0, device 7, function 4:
Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 64).
Bus 0, device 7, function 5:
Multimedia audio controller: VIA Technologies, Inc. AC97 Audio Controller (rev 80).
IRQ 11.
I/O at 0xdc00 [0xdcff].
I/O at 0xe000 [0xe003].
I/O at 0xe400 [0xe403].
Bus 0, device 9, function 0:
Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS) (rev 0).
IRQ 11.
I/O at 0xe800 [0xe81f].
Bus 1, device 0, function 0:
VGA compatible controller: ATI Technologies Inc Rage 128 RF (rev 0).
IRQ 10.
Master Capable. Latency=32. Min Gnt=8.
Prefetchable 32 bit memory at 0xd4000000 [0xd7ffffff].
I/O at 0xc000 [0xc0ff].
Non-prefetchable 32 bit memory at 0xd9000000 [0xd9003fff].
---------------------------------------------------------------------------
hdparm -i /dev/hda:
/dev/hda:

Model=IBM-DTLA-307030, FwRev=TX4OA50C, SerialNo=YKDYKTDN632
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=40
BuffType=DualPortCache, BuffSize=1916kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=-66060037, LBA=yes, LBAsects=60036480
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5
------------------------------------------------------------------------------
Kernel 2.4.0 without VIA IDE support:
Linux version 2.4.0-novia (root@henryk.domain.cz) (gcc version
egcs-2.91.66
19990314/Linux (egcs-1.1.2 release)) #1 Sat Jan 20 11:12:06 CET 2001
BIOS-provided physical RAM map:
BIOS-e820: 000000000009fc00 @ 0000000000000000 (usable)
BIOS-e820: 0000000000000400 @ 000000000009fc00 (reserved)
BIOS-e820: 0000000000010000 @ 00000000000f0000 (reserved)
BIOS-e820: 0000000000010000 @ 00000000ffff0000 (reserved)
BIOS-e820: 0000000007ef0000 @ 0000000000100000 (usable)
BIOS-e820: 000000000000d000 @ 0000000007ff3000 (ACPI data)
BIOS-e820: 0000000000003000 @ 0000000007ff0000 (ACPI NVS)
On node 0 totalpages: 32752
zone(0): 4096 pages.
zone(1): 28656 pages.
zone(2): 0 pages.
Kernel command line: BOOT_IMAGE=linux.240novia ro root=306 BOOT_FILE=/boot/vmlinuz-2.4.0-novia
Initializing CPU#0
Detected 699.676 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 1395.91 BogoMIPS
Memory: 126772k/131008k available (912k kernel code, 3848k reserved, 355k data, 188k init, 0k highmem)
Dentry-cache hash table entries: 16384 (order: 5, 131072 bytes)
Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes)
Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
CPU: Before vendor init, caps: 0183f9ff c1c7f9ff 00000000, vendor = 2
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 64K (64 bytes/line)
CPU: After vendor init, caps: 0183f9ff c1c7f9ff 00000000 00000000
CPU: After generic, caps: 0183f9ff c1c7f9ff 00000000 00000000
CPU: Common caps: 0183f9ff c1c7f9ff 00000000 00000000
CPU: AMD Duron(tm) Processor stepping 01
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.37 (20001109) Richard Gooch (rgooch@atnf.csiro.au)
mtrr: detected mtrr type: Intel
PCI: PCI BIOS revision 2.10 entry at 0xfb250, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
DMI 2.2 present.
38 structures occupying 1029 bytes.
DMI table at 0x000F0800.
BIOS Vendor: Award Software International, Inc.
BIOS Version: 6.00 PG
BIOS Release: 11/13/00
System Vendor: MICRO-STAR INTERNATIONAL CO., LTD.
Product Name: MS-6330.
Version .
Serial Number .
Board Vendor: MICRO-STAR INTERNATIONAL CO., LTD.
Board Name: MS-6330.
Board Version: .
Starting kswapd v1.8
Winbond Super-IO detection, now testing ports 3F0,370,250,4E,2E ...
SMSC Super-IO detection, now testing Ports 2F0, 370 ...
parport0: PC-style at 0x378, irq 7 [PCSPP,EPP]
parport_pc: Via 686A parallel port: io=0x378, irq=7
pty: 256 Unix98 ptys configured
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
ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:DMA, hdd:pio
hda: IBM-DTLA-307030, ATA DISK drive
hdc: Hewlett-Packard CD-Writer Plus 8100, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 60036480 sectors (30739 MB) w/1916KiB Cache, CHS=3737/255/63
Partition check:
hda: hda1 hda2 < hda5 hda6 > hda3
hda3: <solaris: [s0] hda7 [s1] hda8 [s2] hda9 [s7] hda10 >
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
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
SCSI subsystem driver Revision: 1.00
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 8192 bind 8192)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
ACPI: System description tables found
ACPI: System description tables loaded
ACPI: Subsystem enabled
ACPI: System firmware supports: C2
ACPI: System firmware supports: S0 S1 S5
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 188k freed
Adding Swap: 265032k swap-space (priority -1)
MSDOS FS: IO charset iso8859-2
MSDOS FS: Using codepage 852
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 94M
agpgart: Detected Via Apollo Pro KT133 chipset
agpgart: AGP aperture is 64M @ 0xd0000000
ne2k-pci.c:v1.02 10/19/2000 D. Becker/P. Gortmaker
http://www.scyld.com/network/ne2k-pci.html
eth0: RealTek RTL-8029 found at 0xe800, IRQ 11, 00:60:52:08:BE:A8.
hdc: ATAPI 24X CD-ROM CD-R/RW drive, 1024kB Cache
Uniform CD-ROM driver Revision: 3.12
Via 686a audio driver 1.1.14
ac97_codec: AC97 Audio codec, id: 0x4943:0x4511 (Unknown)
via82cxxx: board #1 at 0xDC00, IRQ 11
hdparm -i /dev/hdc:
/dev/hdc:

Model=Hewlett-Packard CD-Writer Plus 8100, FwRev=1.0g, SerialNo=PJY1R1N1CG
Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=0kB, MaxMultSect=0
(maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
IORDY=on/off, tPIO={min:180,w/IORDY:180}, tDMA={min:150,rec:150}
PIO modes: pio0 pio1 pio2 pio3
DMA modes: sdma0 sdma1 sdma2 mdma0 *mdma1
mount /dev/hdc works without problems.

Notes:
Kernel reports that BIOS settings for hdc: is DMA,
however BIOS really reports PIO3.
Kernel reports hda: UDMA(33) however BIOS reports ATA 100.
I tried most of other tricks (ide1=noautotune, hdc=nodma etc. but
it did not help).


Sincerely
Henryk Paluch, paluch@KMLinux.fjfi.cvut.cz


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