I have this problem too...
-- # dmesg | egrep "(ata|ad0)" --
atapci0: <VIA 82C686A UDMA66 controller> port
0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 7.1 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
ad0: FAILURE - SET_MULTI status=51<READY,DSC,ERROR> error=4<ABORTED>
ad0: 9787MB <QUANTUM FIREBALLlct20 10/APL.0900> [19885/16/63] at
ata0-master PIO4
Mounting root from ufs:/dev/ad0s1a
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4700543
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4701151
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4701535
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4701663
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4701791
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4701791
ad0: FAILURE - WRITE_DMA status=51<READY,DSC,ERROR>
error=84<ICRC,ABORTED> LBA=4701791
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4702047
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4702047
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4702175
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4702239
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4702367
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4702367
ad0: FAILURE - WRITE_DMA status=51<READY,DSC,ERROR>
error=84<ICRC,ABORTED> LBA=4702367
ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4702911
--
-- pciconf -l -v --
agp0@pci0:0:0: class=0x060000 card=0x00000000 chip=0x70061022 rev=0x25
hdr=0x00
vendor = 'Advanced Micro Devices (AMD)'
device = 'AMD-751 Processor-to-PCI Bridge / Memory Ctrlr'
class = bridge
subclass = HOST-PCI
pcib1@pci0:1:0: class=0x060400 card=0x00000000 chip=0x70071022 rev=0x01
hdr=0x01
vendor = 'Advanced Micro Devices (AMD)'
device = 'AMD-751 AGP and PCI-to-PCI Bridge (1x/2x AGP)'
class = bridge
subclass = PCI-PCI
rl0@pci0:6:0: class=0x020000 card=0x310711ad chip=0x813910ec rev=0x10
hdr=0x00
vendor = 'Realtek Semiconductor'
device = 'RT8139 (A/B/C/810x/813x/C+) Fast Ethernet Adapter'
class = network
subclass = ethernet
isab0@pci0:7:0: class=0x060100 card=0x00001106 chip=0x06861106 rev=0x1b
hdr=0x00
vendor = 'VIA Technologies Inc'
device = 'VT82C686/A/B "Super South" PCI to ISA Bridge'
class = bridge
subclass = PCI-ISA
atapci0@pci0:7:1: class=0x01018a card=0x00000000 chip=0x05711106
rev=0x06 hdr=0x00
vendor = 'VIA Technologies Inc'
device = 'VT82xxxx EIDE Controller (All VIA Chipsets)'
class = mass storage
subclass = ATA
none0@pci0:7:4: class=0x0c0500 card=0x00000000 chip=0x30571106 rev=0x20
hdr=0x00
vendor = 'VIA Technologies Inc'
device = 'VT82C686A/B ACPI Power Management Controller'
class = serial bus
subclass = SMBus
none1@pci1:5:0: class=0x030000 card=0x00841002 chip=0x47421002 rev=0x5c
hdr=0x00
vendor = 'ATI Technologies Inc.'
device = 'ATI GTC (GT-C2U2) ATI 3D Rage Pro Turbo AGP 2X'
class = display
subclass = VGA
--
Rob wrote:> Ramiro Aceves wrote:
>
>>I have read that others had this problem before. I
>>just write this report for you to know.
>>
>>When I installed FreeBSD 5.3 R, I get some errors
>>like this, but I could end the install:
>>
>>ad0: WARNING -READ_DMA UDMA ICRC error (retrying
>> request) LBA=5313599
>>ad0: FAILURE -READ_DMA status=51<READY,DSC,ERROR>
>> error=84 >ICRC,ABORTED>
>>spec_getpages:(ad0s1a) I/O read failure: (error=5)
>>................
>>
>>I have solved the problem disabling DMA:
>>hw.ata.ata_dma="0"
>>
>>(I previously tried disabling ACPI with no success,
>>and playing with BIOS LBA, LARGE, NORMAL settings
>>at the BIOS with no success).
>>
>>Now ad0: works in PIO4 mode and everything is fine,
>>previously , it was UDMA33. Now there are no errors.
>
>
> There's you and me now. I have this problem with two
> of my PCs. I don't know yet of anybody else who has
> these problems.
>
> It's indeed a serious problem, but too few people
> running 5.3 seem to suffer from this.
>
> Have you tried with 4.11?
> I bet that would not generate these problems.
>
> Regards,
> Rob.
>
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--
Marcus Grando
Grupos Internet S/A
marcus(at)corp.grupos.com.br