Same thing happens on a Toshiba Sattellite Pro R850 with a Transcend SDHC class 10 16GB.
[33587.844827] mmc0: error -123 whilst initialising SD card [33589.025408] mmc0: error -110 whilst initialising SD card [33599.018082] mmc0: Timeout waiting for hardware interrupt. [33599.018096] sdhci: =========== REGISTER DUMP (mmc0)=========== [33599.018109] sdhci: Sys addr: 0x00000000 | Version: 0x00000502 [33599.018120] sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000 [33599.018129] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000 [33599.018137] sdhci: Present: 0x01f70001 | Host ctl: 0x00000001 [33599.018157] sdhci: Power: 0x00000000 | Blk gap: 0x00000000 [33599.018162] sdhci: Wake-up: 0x00000000 | Clock: 0x00000000 [33599.018167] sdhci: Timeout: 0x00000009 | Int stat: 0x00000000 [33599.018173] sdhci: Int enab: 0x00ff00c3 | Sig enab: 0x00ff00c3 [33599.018179] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 [33599.018184] sdhci: Caps: 0x21e8c8b2 | Caps_1: 0x00008073 [33599.018190] sdhci: Cmd: 0x00000102 | Max curr: 0x00000040 [33599.018191] sdhci: =========================================== [33599.459634] mmc0: error -110 whilst initialising SD card [33609.462501] mmc0: Timeout waiting for hardware interrupt. [33609.462511] sdhci: =========== REGISTER DUMP (mmc0)=========== [33609.462521] sdhci: Sys addr: 0x00000000 | Version: 0x00000502 [33609.462531] sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000 [33609.462551] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000 [33609.462563] sdhci: Present: 0x01f70001 | Host ctl: 0x00000001 [33609.462573] sdhci: Power: 0x00000000 | Blk gap: 0x00000000 [33609.462584] sdhci: Wake-up: 0x00000000 | Clock: 0x00000000 [33609.462594] sdhci: Timeout: 0x00000009 | Int stat: 0x00000000 [33609.462605] sdhci: Int enab: 0x00ff00c3 | Sig enab: 0x00ff00c3 [33609.462616] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 [33609.462627] sdhci: Caps: 0x21e8c8b2 | Caps_1: 0x00008073 [33609.462638] sdhci: Cmd: 0x00000102 | Max curr: 0x00000040 [33609.462643] sdhci: =========================================== [33609.905434] mmc0: error -110 whilst initialising SD card -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773524 Title: [Toshiba Tecra R850] SD card reader doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/773524/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs