Arno J. Klaassen wrote:
definitely an improvement, but not sufficient (for my setup ) :
amd64-releng_6 on an ASUS A8V UP (box ran rock-stable
for years i386-releng_5 with same hardware apart TX4 and
drives)
from dmesg :
atapci0: <Promise PDC40718 SATA300 controller> port 0xe000-0xe07f,0xd800-0xd8ff
mem 0xfbb00000-0xfbb00fff,0xfba00000-0xfba1ffff irq 18 at device 13.0 on pci0
ata2: <ATA channel 0> on atapci0
ata3: <ATA channel 1> on atapci0
ata4: <ATA channel 2> on atapci0
ata5: <ATA channel 3> on atapci0
atapci1: <VIA 6420 SATA150 controller> port
0xd400-0xd407,0xd000-0xd003,0xc800-0xc807,0xc400-0xc403,0xc000-0xc00f,0xb800-0xb8ff
irq 20 at device 15.0 on pci0
ata6: <ATA channel 0> on atapci1
ata7: <ATA channel 1> on atapci1
atapci2: <VIA 8237 UDMA133 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 15.1 on pci0
ata0: <ATA channel 0> on atapci2
ata1: <ATA channel 1> on atapci2
[ ... ]
ad0: 38166MB <Seagate ST3402111A 3.AAJ> at ata0-master UDMA100
ad6: 476940MB <WDC WD5000AAKS-00TMA0 12.01C01> at ata3-master SATA300
ad12: 305245MB <WDC WD3200JD-22KLB0 08.05J08> at ata6-master SATA150
booting from ad0 and simple gconcat over ad6 and ad12.
Improvement : I now can fsck /dev/concat/data without
ad6 being detached
Persistent problem : when I rsync an nfs-mounted disk to /dev/concat/data,
I get after about some Gigs of data have been transfered :
Nov 2 16:39:55 charlotte kernel: ad6: WARNING - WRITE_DMA UDMA ICRC error
(retrying request) LBA=268435392
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SET_MULTI taskqueue timeout -
completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: TIMEOUT - WRITE_DMA retrying (0 retries
left) LBA=268435392
Nov 2 16:40:50 charlotte kernel: ad6: FAILURE - WRITE_DMA
status=ff<BUSY,READY,DMA_READY,DSC,DRQ,CORRECTABLE,INDEX,ERROR>
error=ff<ICRC,UNCORRECTABLE,MEDIA_CHANGED,NID_NOT_FOUND,MEDIA_CHANGE_REQEST,ABORTED,NO_MEDIA,ILLEGAL_LENGTH>
LBA=268435392
Nov 2 16:40:50 charlotte kernel:
g_vfs_done():concat/data[WRITE(offset=137438920704, length=131072)]error = 5
Nov 2 16:40:50 charlotte kernel: ad6: TIMEOUT - WRITE_DMA48 retrying (1 retry
left) LBA=268435648
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - WRITE_DMA48 UDMA ICRC error
(retrying request) LBA=268435648
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE
taskqueue timeout - completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: WARNING - SET_MULTI taskqueue timeout -
completing request directly
Nov 2 16:40:50 charlotte kernel: ad6: FAILURE - WRITE_DMA48 timed out
LBA=268435648
Nov 2 16:40:50 charlotte kernel:
g_vfs_done():concat/data[WRITE(offset=137439051776, length=131072)]error = 5
...
I will test again with "#define PDC_MAXLASTSGSIZE 32*4" (just to see
if that makes a difference)
One thing to try is to loose any geom raid, if raid needed use ataraid
instead.
I'm shuffeling boards and controllers here to try to reproduce, so far
no luck it "just works(tm)", it seems to depend quite heavily on the
"right" combination of possibly marginal HW....
-Søren
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