Comment 24 for bug 1067222

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Ian Johnston (ij89) wrote : Re: 14e4:16bc Built-in SD card reader on Acer Aspire One AS756 intermittently operative

Testing with 3.0.0-300 from the 3.0-oneiric directory resulted in the same error:

[ 170.053876] mmc0: Got command interrupt 0x00000001 even though no command operation was in progress.
[ 170.053886] sdhci: =========== REGISTER DUMP (mmc0)===========
[ 170.053896] sdhci: Sys addr: 0x00000000 | Version: 0x00001502
[ 170.053905] sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000
[ 170.053913] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
[ 170.053922] sdhci: Present: 0x1fff0000 | Host ctl: 0x00000004
[ 170.053931] sdhci: Power: 0x0000000f | Blk gap: 0x00000000
[ 170.053940] sdhci: Wake-up: 0x00000000 | Clock: 0x0000e8c7
[ 170.053948] sdhci: Timeout: 0x00000000 | Int stat: 0x00000000
[ 170.053957] sdhci: Int enab: 0x00ff00c3 | Sig enab: 0x00ff00c3
[ 170.053966] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
[ 170.053975] sdhci: Caps: 0x176ec8b0 | Caps_1: 0x03002177
[ 170.053983] sdhci: Cmd: 0x00000000 | Max curr: 0x00000000
[ 170.053990] sdhci: Host ctl2: 0x00000000
[ 170.053997] sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000
[ 170.054001] sdhci: ===========================================
[ 170.252631] sdhci: Switching to 1.8V signalling voltage failed, retrying with S18R set to 0
[ 171.860545] mmc0: error -110 whilst initialising SD card

I will continue bisecting to see if any of the 3.0.0 kernels work.