On Fri, 2007-12-07 at 15:02 -0800, Andrew Morton wrote: > On Fri, 07 Dec 2007 20:38:24 +0000 > Zan Lynx <[EMAIL PROTECTED]> wrote: > > > While I'm reporting problems I'll get this one out there. > > > > I normally use a USB-2 memory card reader but I also have a PCMCIA > > CompactFlash adapter that I use occasionally. During the MM series > > kernels 2.6.22 and 23 (I am pretty sure) this didn't work at all. I > > don't know about vanilla since I don't run that. > > > > Now with MM kernels 2.6.24 rc1-4 the PCMCIA adapter works again, but I > > only get read rates of 1.6 MB/s. When it used to work in 2.6.20 I got > > at least 16 MB/s. The card itself is capable of 30+ in the USB-2 > > reader. > >
> Are we talking about this? [cut] > > It might be that it auto-configures for PIO-0. I have no idea why it > > does that. > > > > Another interesting thing is that doing a dd to or from the card brings > > the rest of the system to a nearly complete halt. Interrupt problem? > > Where are you seeing the evidence that it autoconfigures for PIO-0? No, this: pccard: PCMCIA card inserted into slot 0 cs: memory probe 0x50000000-0x57ffffff: excluding 0x50000000-0x57ffffff cs: memory probe 0xe0100000-0xe17fffff: excluding 0xe0100000-0xe026ffff 0xe03e0000-0xe082ffff 0xe0b10000-0xe10cffff pcmcia: registering new device pcmcia0.0 scsi2 : pata_pcmcia ata3: PATA max PIO0 cmd 0x3100 ctl 0x310e irq 19 ata3.00: CFA: LEXAR ATA FLASH, V2.00, max PIO6 ata3.00: 8018640 sectors, multi 0: LBA ata3.00: configured for PIO0 ata3.00: configured for PIO0 ata3: EH complete isa bounce pool size: 16 pages scsi 2:0:0:0: Direct-Access ATA LEXAR ATA FLASH V2.0 PQ: 0 ANSI: 5 sd 2:0:0:0: [sdb] 8018640 512-byte hardware sectors (4106 MB) sd 2:0:0:0: [sdb] Write Protect is off sd 2:0:0:0: [sdb] Mode Sense: 00 3a 00 00 sd 2:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA sd 2:0:0:0: [sdb] 8018640 512-byte hardware sectors (4106 MB) sd 2:0:0:0: [sdb] Write Protect is off sd 2:0:0:0: [sdb] Mode Sense: 00 3a 00 00 sd 2:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA sdb: sdb1 sd 2:0:0:0: [sdb] Attached SCSI removable disk Specifically: ata3.00: configured for PIO0 ata3.00: configured for PIO0 -- Zan Lynx <[EMAIL PROTECTED]>
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