[Bug 31709] Re: Brasero, GNOME's burn:/// and K3b slow dvd burn speed

[Joa-]

Also having similar problem with Karmic Koala(updated from 8.04)
 my, dmsg | grep ata, after burning:

[    0.000000]   #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 - 0000001000]
[    0.000000] PERCPU: Embedded 14 pages at c200a000, static data 35612 bytes
[    0.000000] Memory: 2052700k/2096972k available (4566k kernel code, 42920k reserved, 2142k data, 540k init, 1187668k highmem)
[    0.000000]       .data : 0xc0575b44 - 0xc078d3c8   (2142 kB)
[    0.134863] libata version 3.00 loaded.
[    0.813414] ata_piix 0000:00:1f.2: version 2.13
[    0.813420] ata_piix 0000:00:1f.2: PCI INT B -> GSI 17 (level, low) -> IRQ 17
[    0.813426] ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
[    0.968025] ata_piix 0000:00:1f.2: setting latency timer to 64
[    0.968171] scsi0 : ata_piix
[    0.968247] scsi1 : ata_piix
[    0.969008] ata1: SATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xbfa0 irq 14
[    0.969012] ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xbfa8 irq 15
[    1.136809] ata2.00: ATAPI: TSSTcorp DVD+/-RW TS-L532B, DE03, max UDMA/33
[    1.137578] ata1.00: ATA-6: ST960822A, 8.03, max UDMA/100
[    1.137581] ata1.00: 117210240 sectors, multi 8: LBA48 
[    1.137594] ata1.00: applying bridge limits
[    1.144727] ata2.00: configured for UDMA/33
[    1.152992] ata1.00: configured for UDMA/100
[    1.206984] Write protecting the kernel read-only data: 1836k
[    2.296045] EXT3-fs: mounted filesystem with writeback data mode.
[   12.300097] ieee80211: 802.11 data/management/control stack, git-1.1.13
[508776.000263] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[508776.000293] ata2.00: cmd a0/01:00:00:00:08/00:00:00:00:00/a0 tag 0 dma 2048 in
[508776.000309] ata2.00: status: { DRDY }
[508776.112189] ata2: soft resetting link
[508776.284500] ata2.00: configured for UDMA/33
[508776.284829] ata2: EH complete
[508805.005536] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[508805.005552] ata2.00: cmd a0/01:00:00:00:08/00:00:00:00:00/a0 tag 0 dma 2048 in
[508805.005559] ata2.00: status: { DRDY }
[508805.060190] ata2: soft resetting link
[508805.232502] ata2.00: configured for UDMA/33
[508805.232851] ata2: EH complete
[508841.000265] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[508841.000295] ata2.00: cmd a0/01:00:00:00:08/00:00:00:00:00/a0 tag 0 dma 2048 in
[508841.000311] ata2.00: status: { DRDY }
[508841.168195] ata2: soft resetting link
[508841.340386] ata2.00: configured for UDMA/33
[508841.340874] ata2: EH complete

Going to try some of the suggestions above. Post results later

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Brasero, GNOME's burn:/// and K3b slow dvd burn speed
https://bugs.launchpad.net/bugs/31709
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