Public bug reported:
DMA is disabled on Intrepid
Managed to turn it on using the following...
edit /etc/initramfs-tools/modules and add to the end of this file
pata_ali atapi_dma=1
Then, update the initramfs
sudo update-initramfs -u
Then reseting machine
But now the UDMA is set wrong...
sudo dmesg | grep ata
[ 2.138584] ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xff00 irq 14
[ 2.138588] ata2: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xff08 irq 15
[ 2.301768] ata1.00: ATAPI: PIONEER DVD-RW DVR-110D, 1.17, max UDMA/66
[ 2.317734] ata1.00: configured for UDMA/66
[ 3.060704] ata3: SATA max UDMA/133 abar [EMAIL PROTECTED] port 0xdbfef500
irq 21
[ 3.060708] ata4: SATA max UDMA/133 abar [EMAIL PROTECTED] port 0xdbfef580
irq 21
[ 3.060711] ata5: SATA max UDMA/133 abar [EMAIL PROTECTED] port 0xdbfef600
irq 21
[ 3.060715] ata6: SATA max UDMA/133 irq_stat 0x00400040, connection status
changed irq 21
[ 3.416582] ata3: SATA link down (SStatus 0 SControl 300)
[ 3.748026] ata4: SATA link down (SStatus 0 SControl 300)
[ 4.084028] ata5: SATA link down (SStatus 0 SControl 300)
[ 4.988022] ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 4.992888] ata6.00: ATA-7: SAMSUNG HD160JJ/P, ZM100-38, max UDMA7
[ 4.992892] ata6.00: 312581808 sectors, multi 16: LBA48 NCQ (depth 31/32)
[ 4.997808] ata6.00: configured for UDMA/133
Beyond this I'm not sure what to do??
Thanks
John
** Affects: ubuntu
Importance: Undecided
Status: New
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DMA and UDMA issues with intrepid
https://bugs.launchpad.net/bugs/292142
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