Messages in this thread | | | Date | Fri, 29 Jun 2007 15:36:58 +0200 | From | "Michal Piotrowski" <> | Subject | Re: PROBLEM: SATA AHCI driver significant throughput loss in 2.6.22-rc5-g75154f40-dirty |
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Hi,
[adding linux-ide to cc]
On 27/06/07, Dan <metalifloyd@gmail.com> wrote: > Something changed with the AHCI SATA driver in the latest git version. > With 2.6.21 I get ~49MB/sec according to hdparm. Using the latest git > version I only get ~8MB/sec. I've attached my .config and have > included some info about my system below. Please let me know if you > need more information or if I can help test anything. > > Lenovo Thinkpad T60p > > kernel information: > =================== > Linux lappy 2.6.22-rc5-g75154f40-dirty #1
Are you using any additional patches?
> SMP PREEMPT Sat Jun 23 > 21:14:49 EDT 2007 i686 Genuine Intel(R) CPU T2600 @ 2.16GHz > GenuineIntel GNU/Linux > > Gnu C 4.1.2 > Gnu make 3.81 > binutils 2.17 > util-linux 2.12r > mount 2.12r > module-init-tools 3.2.2 > e2fsprogs 1.39 > Linux C Library > libc.2.5 > Dynamic linker (ldd) 2.5 > Procps 3.2.7 > Net-tools 1.60 > Kbd 1.12 > Sh-utils 6.9 > udev 104 > wireless-tools 28 > Modules Loaded fglrx agpgart af_packet snd_pcm_oss > snd_mixer_oss ipw3945 ieee80211 ieee80211_crypt snd_hda_intel snd_pcm > snd_timer snd soundcore snd_page_alloc e1000 psmouse evdev unix > > > > hdparm -i /dev/sda > ================== > /dev/sda: > > Model=HTS721010G9SA00 , FwRev=MCZIC10V, > SerialNo= MPDZN7Y0HKTYZL > Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } > RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 > BuffType=DualPortCache, BuffSize=7538kB, MaxMultSect=16, MultSect=?16? > CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=195371568 > IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} > PIO modes: pio0 pio1 pio2 pio3 pio4 > DMA modes: mdma0 mdma1 mdma2 > UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 > AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled > Drive conforms to: ATA/ATAPI-7 T13 1532D revision 1: ATA/ATAPI-2,3,4,5,6,7 > > cat /proc/modules > ================= > fglrx 649632 15 - Live 0xf8a90000 (P) > agpgart 30412 1 fglrx, Live 0xf894e000 > af_packet 23816 2 - Live 0xf893c000 > snd_pcm_oss 40736 0 - Live 0xf88eb000 > snd_mixer_oss 17536 1 snd_pcm_oss, Live 0xf88b4000 > ipw3945 201124 1 - Live 0xf8909000 > ieee80211 33608 1 ipw3945, Live 0xf88e1000 > ieee80211_crypt 8704 1 ieee80211, Live 0xf887d000 > snd_hda_intel 243864 0 - Live 0xf8958000 > snd_pcm 68996 2 snd_pcm_oss,snd_hda_intel, Live 0xf88f7000 > snd_timer 22148 1 snd_pcm, Live 0xf8872000 > snd 45412 5 snd_pcm_oss,snd_mixer_oss,snd_hda_intel,snd_pcm,snd_timer, > Live 0xf8881000 > soundcore 10208 1 snd, Live 0xf885a000 > snd_page_alloc 11400 2 snd_hda_intel,snd_pcm, Live 0xf884b000 > e1000 118080 0 - Live 0xf8896000 > psmouse 38416 0 - Live 0xf8867000 > evdev 11648 0 - Live 0xf8847000 > unix 29584 62 - Live 0xf8851000 > >
Regards, Michal
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