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SubjectRe: Promise PDC20265, VIA KT133 and corruption
Petr Vandrovec wrote:
>
> Hi Andre,
> if you remember, last week I complained that Promise corrupts data
> when I copy them from hdh to hde. Today I did some more experiments
> (running 2.4.1-ac1) and found:
>
> 1) Debian sid's 'cmp' prints incorrect offsets when files differ
> in more than one place if distance > cmp buffer size :-(
> 2) When I read data from hdh (UDMA2 Toshiba) sometime last four
> bytes of 4KB page (== probably last 4 bytes of read request)
> are not read at all and old contents of page is left here
> (it happens about once per 20MB read; and in about 1% of
> these last 8 bytes of page are incorrect).
> I have no idea whether promise or KT133 is at fault, but
> it for sure does not happen under Windows...
> 3) During write some corruption can happen on either hde (IBM
> DTLA-307045 running UDMA5) or hdh - it looks like that
> data are shifted on HDD, as fsck then complains about
> imagic set, dtime set while inode not deleted and so on,
> and then it cleaned inodes 178200-178300 from my hde :-(
> Fortunately they were mostly in old kernel trees,
> not in current data (except one inode, which was just
> created by dpkg)
> 4) So I compiled kernel without IDE DMA support at all and now
> everything works at PIO4 without any corruption...
>
> If anybody has any idea what I should try to get UDMA to
> work under Linux here...
>
> lspci:
>
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 02)
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP]
> 00:04.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 22)
> 00:04.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 10)
> 00:04.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10)
> 00:04.3 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10)
> 00:04.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 30)
> 00:0a.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)
> 00:11.0 Unknown mass storage controller: Promise Technology, Inc. 20265 (rev 02)
> 01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04)
>
> Thanks,
> Petr Vandrovec
> vandrove@vc.cvut.cz


I've got a very similar setup, but i've got a SCSI hard drive as well.
In copying a rather large file (600+ MB) from my home directory (on the
SCSI drive) to my IDE drive (on the promise controller, ata/100). scsi
drive is ext2, the ide drive is vfat (basically to share movies and
music w/ windoze). First try at copying, I got corruption. Second try,
cp segfaulted. Looked, and sure enough, had an oops sitting for me in
syslog, so here it is:

ksymoops 2.3.7 on i686 2.4.1-ac2. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.1-ac2/ (default)
-m /boot/System.map-2.4.1-ac2 (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

Feb 3 23:38:01 patience kernel: Unable to handle kernel paging request
at virtual address 81180b00
Feb 3 23:38:01 patience kernel: c0123a60
Feb 3 23:38:01 patience kernel: *pde = 00000000
Feb 3 23:38:01 patience kernel: Oops: 0002
Feb 3 23:38:01 patience kernel: CPU: 0
Feb 3 23:38:01 patience kernel: EIP:
0010:[__remove_inode_page+48/96]
Feb 3 23:38:01 patience kernel: EFLAGS: 00010202
Feb 3 23:38:01 patience kernel: eax: c102b228 ebx: c1202058 ecx:
00000106 edx: 81180b00
Feb 3 23:38:01 patience kernel: esi: c532a828 edi: c1202058 ebp:
00001532 esp: cc8c5eac
Feb 3 23:38:01 patience kernel: ds: 0018 es: 0018 ss: 0018
Feb 3 23:38:01 patience kernel: Process cp (pid: 483,
stackpage=cc8c5000)
Feb 3 23:38:01 patience kernel: Stack: c1202074 c012a476 c1202058
c0309758 c0309930 00000002 00000000 c012bc18
Feb 3 23:38:01 patience kernel: c0309758 00000000 c0309938
00000000 00000000 c012bd80 c030992c 00000000
Feb 3 23:38:01 patience kernel: 00000002 00000001 00000000
cc8c5f58 15ece000 00000000 00000005 00000001
Feb 3 23:38:01 patience kernel: Call Trace: [reclaim_page+790/1024]
[__alloc_pages_limit+120/176] [__alloc_pages+304/736]
[generic_file_write+724/1408] [<d2000001>]
[default_fat_file_write+34/80]
Feb 3 23:38:01 patience kernel: Code: 89 02 8b 43 10 8b 53 34 c7 43 08
00 00 00 00 85 c0 74 03 89
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 89 02 mov %eax,(%edx)
Code; 00000002 Before first symbol
2: 8b 43 10 mov 0x10(%ebx),%eax
Code; 00000005 Before first symbol
5: 8b 53 34 mov 0x34(%ebx),%edx
Code; 00000008 Before first symbol
8: c7 43 08 00 00 00 00 movl $0x0,0x8(%ebx)
Code; 0000000f Before first symbol
f: 85 c0 test %eax,%eax
Code; 00000011 Before first symbol
11: 74 03 je 16 <_EIP+0x16> 00000016 Before
first symbol
Code; 00000013 Before first symbol
13: 89 00 mov %eax,(%eax)


1 warning issued. Results may not be reliable.


patience:~# lspci
00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133]
(rev 02)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP]
00:04.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
(rev 22)
00:04.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 10)
00:04.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10)
00:04.3 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10)
00:04.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
(rev 30)
00:09.0 Multimedia audio controller: Creative Labs SB Live! EMU10000
(rev 05)
00:09.1 Input device controller: Creative Labs SB Live! (rev 05)
00:0a.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev
20)
00:0d.0 SCSI storage controller: Adaptec 7892A (rev 02)
00:11.0 Unknown mass storage controller: Promise Technology, Inc. 20265
(rev 02)
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP
(rev 05)

relevant parts of dmesg:
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 21
VP_IDE: chipset revision 16
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 vt82c686a (rev 22) IDE UDMA66 controller on pci00:04.1
ide0: BM-DMA at 0xd800-0xd807, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xd808-0xd80f, BIOS settings: hdc:pio, hdd:pio
PDC20265: IDE controller on PCI bus 00 dev 88
PCI: Found IRQ 10 for device 00:11.0
PDC20265: chipset revision 2
PDC20265: not 100% native mode: will probe irqs later
PDC20265: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
ide2: BM-DMA at 0x7800-0x7807, BIOS settings: hde:pio, hdf:pio
ide3: BM-DMA at 0x7808-0x780f, BIOS settings: hdg:pio, hdh:pio
hda: KENWOOD CD-ROM UCR-421 V221G, ATAPI CD/DVD-ROM drive
hde: IBM-DTLA-307045, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide2 at 0x9000-0x9007,0x8802 on irq 10
hde: 90069840 sectors (46116 MB) w/1916KiB Cache, CHS=89355/16/63,
UDMA(100)
hda: ATAPI 68X CD-ROM drive, 2048kB Cache, UDMA(33)
<snip>
(scsi0) <Adaptec AIC-7892 Ultra 160/m SCSI host adapter> found at PCI
0/13/0
(scsi0) Wide Channel, SCSI ID=7, 32/255 SCBs
(scsi0) Downloading sequencer code... 392 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
<Adaptec AIC-7892 Ultra 160/m SCSI host adapter>
(scsi0:0:0:0) Synchronous at 160.0 Mbyte/sec, offset 31.
Vendor: SEAGATE Model: ST318436LW Rev: 0005
Type: Direct-Access ANSI SCSI revision: 03
(scsi0:0:4:0) Synchronous at 10.0 Mbyte/sec, offset 15.
Vendor: iomega Model: jaz 1GB Rev: G.55
Type: Direct-Access ANSI SCSI revision: 02
(scsi0:0:6:0) Synchronous at 10.0 Mbyte/sec, offset 15.
Vendor: HP Model: CD-Writer+ 9200 Rev: 1.0c
Type: CD-ROM ANSI SCSI revision: 04
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
Attached scsi removable disk sdb at scsi0, channel 0, id 4, lun 0
SCSI device sda: 35885168 512-byte hdwr sectors (18373 MB)
/dev/scsi/host0/bus0/target0/lun0: p1 p2 p3

If there's anything else, I'll get it for you, but this is all I can
think of.

Nathan
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