Hello Wolfgang, On Friday 18 December 2009 09:24:29 Wolfgang Grandegger wrote:
> What disc access modes, (pio, mwdma or udma) did you use for these tests. MWDMA2. On our hardware Linux 2.6 UDMA2 only works with very few disks. And on top of that, UDMA seems to have problems on the MPC5200B with concurrent traffic to or from the LPC (chips selects of peripherals while a DMA transfer is active). The same disks work without problems using UDMA2 on the old 2.4.25 on exctly the same HW. Why? I don't know yet. Roman -- Roman Fietze Telemotive AG Büro Mühlhausen Breitwiesen 73347 Mühlhausen Tel.: +49(0)7335/18493-45 http://www.telemotive.de _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev