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SubjectRe: 2.6.23-rc9-git4: pata_pcmcia, disabling IRQ #9 and Re: libata and legacy ide pcmcia failure
Hi:

There have been several threads related to continuing problems with CF
flash memory card in PCMCIA adapters not being recognized and leading to
traces like:
Mar 20 19:51:44 idefix kernel: pccard: PCMCIA card inserted into slot 0
Mar 20 19:51:44 idefix kernel: pcmcia: registering new device pcmcia0.0
Mar 20 19:51:45 idefix kernel: scsi17 : pata_pcmcia
Mar 20 19:51:45 idefix kernel: ata12: PATA max PIO0 cmd 0xa100 ctl
0xa10e irq 3
Mar 20 19:52:15 idefix kernel: ata12.00: qc timeout (cmd 0x91)
Mar 20 19:52:15 idefix kernel: ata12.00: failed to IDENTIFY
(INIT_DEV_PARAMS failed, err_mask=0x4)
Mar 20 19:52:15 idefix kernel: ata12: failed to recover some devices,
retrying in 5 secs
Mar 20 19:52:50 idefix kernel: ata12.00: qc timeout (cmd 0x91)
Mar 20 19:52:50 idefix kernel: ata12.00: failed to IDENTIFY
(INIT_DEV_PARAMS failed, err_mask=0x4)
Mar 20 19:52:50 idefix kernel: ata12: failed to recover some devices,
retrying in 5 secs

I, too, am experiencing this problem (and have been for about a year).
Currently I'm running
2.6.24.3-34.fc8 #1 SMP on a Thinkpad T61p, but the problem has surfaced
in all recent (to me) kernels. I've tried with two different PCMCIA CF
adapters and quite a few CF cards - all exhibit the same broken behaviour.

I can't find a resolution. If there isn't one I'm willing to donate one
of my adapters and a CF card so that anyone with a PCMCIA slot can test
out the situation.

By the way, the problem occurs for me on insertion into a running
system. If I boot with the PCMCIA adapter and CF card in, I either get
a freeze during udev startup (until I remove the card and then the
system works fine) or I get the card mounted as a disk, and everything
works fine. I'm willing to provide more information about these two
situations if anyone is interested. The same CF card works fine when
put into a USB multi-card reader as well.

Peter F. Patel-Schneider
Bell Labs Research

PS: Please cc me directly if possible on replies, thanks.


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