Comment 13 for bug 43092

I can confirm this issue on a thinkpad x40 with DeLock PCMCIA to CF adapter.
This is with Hardy and 2.6.24-19-generic kernel.
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[ 4074.065157] pccard: PCMCIA card inserted into slot 0
[ 4074.065410] pcmcia: registering new device pcmcia0.0
[ 4074.134990] scsi5 : pata_pcmcia
[ 4074.135836] ata6: PATA max PIO0 cmd 0x3100 ctl 0x310e irq 3
[ 4092.579759] ata6.00: qc timeout (cmd 0x91)
[ 4092.579773] ata6.00: failed to IDENTIFY (INIT_DEV_PARAMS failed, err_mask=0x4)
[ 4092.579782] ata6: failed to recover some devices, retrying in 5 secs
[ 4117.923009] ata6.00: qc timeout (cmd 0x91)
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$ sudo pccardctl ident
Socket 0:
  no product info available
  manfid: 0x004f, 0x0000
  function: 4 (fixed disk)

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Strangely enough it works sometimes, i.e. semingly at random, and then stops working again after reboot.