Still happening on saucy (tried the live cd on a usb stick), as well as
the latest mainline kernel build (3.12rc4).
Let me know what I can do to help further debug this. This has been an
issue since 11.10.
The reader is a removable component from the laptop chassis. If I
remove it (while 12.04 is running) and plug it back in, then remove and
reload the sdhci{,_pci} modules, I get these messages in dmesg:
[ 176.670672] sdhci: Secure Digital Host Controller Interface driver
[ 176.670676] sdhci: Copyright(c) Pierre Ossman
[ 176.678490] sdhci-pci 0000:05:00.0: SDHCI controller found [1180:e823] (rev
4)
[ 176.678675] sdhci-pci 0000:05:00.0: enabling device (0000 -> 0002)
[ 176.678694] sdhci-pci 0000:05:00.0: found PCI INT A -> IRQ 11
[ 176.678705] sdhci-pci 0000:05:00.0: sharing IRQ 11 with 0000:00:16.3
[ 176.678721] sdhci-pci 0000:05:00.0: sharing IRQ 11 with 0000:00:1c.3
[ 176.798852] mmc0: Reset 0x1 never completed.
[ 176.798940] mmc0: Unknown controller version (255). You may experience
problems.
[ 176.798947] sdhci-pci 0000:05:00.0: Will use DMA mode even though HW doesn't
fully claim to support it.
[ 176.798968] sdhci-pci 0000:05:00.0: setting latency timer to 64
[ 176.798989] mmc0: no vmmc regulator found
[ 176.918662] mmc0: Reset 0x1 never completed.
[ 176.918869] Registered led device: mmc0::
[ 177.038649] mmc0: Reset 0x1 never completed.
[ 177.039975] mmc0: SDHCI controller on PCI [0000:05:00.0] using DMA
[ 177.081102] mmc0: Controller never released inhibit bit(s).
[ 177.200979] mmc0: Reset 0x2 never completed.
[ 177.320764] mmc0: Reset 0x4 never completed.
[ 177.333336] mmc0: Controller never released inhibit bit(s).
[ 177.453147] mmc0: Reset 0x2 never completed.
[ 177.572888] mmc0: Reset 0x4 never completed.
[ 177.586292] mmc0: Controller never released inhibit bit(s).
[ 177.706053] mmc0: Reset 0x2 never completed.
[ 177.825787] mmc0: Reset 0x4 never completed.
[ 177.840300] mmc0: Controller never released inhibit bit(s).
[ 177.960059] mmc0: Reset 0x2 never completed.
[ 178.079795] mmc0: Reset 0x4 never completed.
[ 178.091966] mmc0: Controller never released inhibit bit(s).
[ 178.211762] mmc0: Reset 0x2 never completed.
[ 178.331492] mmc0: Reset 0x4 never completed.
[ 178.343613] mmc0: Controller never released inhibit bit(s).
[ 178.463387] mmc0: Reset 0x2 never completed.
[ 178.583146] mmc0: Reset 0x4 never completed.
[ 178.595290] mmc0: Controller never released inhibit bit(s).
[ 178.715147] mmc0: Reset 0x2 never completed.
[ 178.834908] mmc0: Reset 0x4 never completed.
[ 178.847418] mmc0: Controller never released inhibit bit(s).
[ 178.967470] mmc0: Reset 0x2 never completed.
[ 179.087228] mmc0: Reset 0x4 never completed.
[ 179.093543] sdhci: Switching to 3.3V signalling voltage failed
[ 179.105616] mmc0: Controller never released inhibit bit(s).
[ 179.225644] mmc0: Reset 0x2 never completed.
[ 179.345408] mmc0: Reset 0x4 never completed.
[ 179.465496] mmc0: Reset 0x1 never completed.
The card, of course, still doesn't work.
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https://bugs.launchpad.net/bugs/965280
Title:
Thinkpad T420s - Ricoh e823 not working with SDHC cards (11.10 and
12.04)
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