Mario <nutrinfnon <at> gmx.com> writes: > > Hi, > > I wrote to Intel support without success. They answer me that I must > ask to tablet manufacturer, but I know it is impossible. > > I try to ask here, with short question: > > Object: > TABLET CHUWI VX8 3G Atom Z3735G > > Description: > POWER OFF > -> SWITCH ON > -> BOOT Linux-3.19.0-rc6 > -> ERROR "mmc0: error -84 whilst initialising SD card" > -> no sd device > > POWER OFF > -> SWITCH ON > -> BOOT Linux-3.10.20_from_original_android_installation > -> mmc initialized successfully > -> sd device works fine > -> REBOOT without switch off tablet > -> BOOT Linux-3.19.0-rc6 (ABOVE GOES IN ERROR) > -> mmc initialized successfully > -> sd device works fine with 3.19.0-rc6 too > > Thanks. > > I think it is possible ssh login to tablet trough IPv6 if it is necessary. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo <at> vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Good morning, I tested linux-4.1.0-rc5 on my tablet the issue is still present. I add following logs, I don't know if issue is linked to specific hardware: >first test start linux-4.1.0-rc5 from power-off mounting SD-4GB and then SD-8GB works fine, dd data transfer ok [ 273.698217] mmc2: new high speed SDHC card at address b368 [ 273.714685] mmcblk1: mmc2:b368 NCard 3.70 GiB [ 273.728593] mmcblk1: p1 [ 273.733426] byt-rt5640 byt-rt5640: ASoC: CPU DAI baytrail-pcm-audio not registered [ 286.450821] mmc2: card b368 removed [ 299.757777] mmc2: new high speed SDHC card at address b368 [ 299.771745] mmcblk1: mmc2:b368 NCard 7.41 GiB [ 299.780833] mmcblk1: p1 [ 299.786920] byt-rt5640 byt-rt5640: ASoC: CPU DAI baytrail-pcm-audio not registered [ 303.597891] mmc2: card b368 removed >second test mounting SD-32GB fails initialization, no device mmc... in /dev/ [ 134.024070] mmc2: new ultra high speed DDR50 SDHC card at address 0007 [ 134.029309] mmcblk1: mmc2:0007 SD32G 29.0 GiB [ 134.031953] mmcblk1: p1 [ 134.084302] mmcblk1: error -123 sending status command, retrying [ 134.087337] mmcblk1: error -123 sending status command, retrying [ 134.090362] mmcblk1: error -123 sending status command, aborting [ 134.280470] mmc2: card 0007 removed [ 135.292593] mmc2: error -84 whilst initialising SD card >tirdh test dismount and remount SD-32GB from slot [ 269.160748] mmc2: error -84 whilst initialising SD card >fourth test shutdown -r now and restart with same kernel 4.1.0-rc5 now works but alot of errors [ 48.238649] mmc2: new ultra high speed DDR50 SDHC card at address 0007 [ 48.239869] mmcblk1: mmc2:0007 SD32G 29.0 GiB [ 48.242323] mmcblk1: p1 dd if=/dev/mmcblk1 bs=1M of=/dev/null count=10 [ 219.632258] mmc2: tried to reset card [ 219.638056] mmcblk1: error -84 sending stop command, original cmd response 0x900, card status 0x900 [ 219.638062] mmcblk1: error -84 transferring data, sector 79872, nr 256, cmd response 0x900, card status 0x0 [ 219.638067] mmcblk1: retrying using single block read [ 237.838814] mmcblk1: error -84 transferring data, sector 3584, nr 256, cmd response 0x900, card status 0xb00 [ 237.910556] mmc2: tried to reset card [ 237.918066] mmcblk1: error -84 transferring data, sector 3584, nr 256, cmd response 0x900, card status 0xb00 [ 237.918086] mmcblk1: retrying using single block read [ 238.040761] mmcblk1: error -84 transferring data, sector 3840, nr 256, cmd response 0x900, card status 0xb00 [ 238.114797] mmc2: tried to reset card [ 238.118827] mmcblk1: error -84 transferring data, sector 3840, nr 256, cmd response 0x900, card status 0xb00 [ 238.118844] mmcblk1: retrying using single block read [ 238.586231] mmcblk1: error -84 transferring data, sector 18432, nr 256, cmd response 0x900, card status 0xb00 [ 238.655674] mmc2: tried to reset card [ 238.663444] mmcblk1: error -84 transferring data, sector 18432, nr 256, cmd response 0x900, card status 0xb00 [ 238.663454] mmcblk1: retrying using single block read [ 238.773924] mmcblk1: error -84 transferring data, sector 18688, nr 256, cmd response 0x900, card status 0xb00 [ 238.846571] mmc2: tried to reset card [ 238.849762] mmcblk1: error -84 transferring data, sector 18688, nr 256, cmd response 0x900, card status 0xb00 [ 238.849782] mmcblk1: retrying using single block read >fifth test (no advancement) rmmod sdhci_acpi rmmod sdhci modprobe sdhci debug_quirks2=0x80 (BROKEN DDR50) modprobe sdhci_acpi cat /sys/module/sdhci/parameters/debug_quirks2 128 [ 509.598938] mmc2: card 0007 removed [ 518.858860] mmc2: new ultra high speed SDR25 SDHC card at address 0007 [ 518.860060] mmcblk1: mmc2:0007 SD32G 29.0 GiB [ 518.862501] mmcblk1: p1 [ 518.863609] byt-rt5640 byt-rt5640: ASoC: CPU DAI baytrail-pcm-audio not registered dd if=/dev/mmcblk1 bs=1M of=/dev/null count=10 [ 552.622909] mmcblk1: error -84 transferring data, sector 3584, nr 256, cmd response 0x900, card status 0xb00 [ 552.689828] mmc2: tried to reset card [ 552.697856] mmcblk1: error -84 transferring data, sector 3584, nr 256, cmd response 0x900, card status 0xb00 [ 552.697870] mmcblk1: retrying using single block read [ 552.808111] mmcblk1: error -84 transferring data, sector 3840, nr 256, cmd response 0x900, card status 0xb00 [ 552.879781] mmc2: tried to reset card [ 552.882905] mmcblk1: error -84 transferring data, sector 3840, nr 256, cmd response 0x900, card status 0xb00 [ 552.882916] mmcblk1: retrying using single block read [ 553.377844] mmcblk1: error -84 transferring data, sector 18432, nr 256, cmd response 0x900, card status 0xb00 [ 553.452786] mmc2: tried to reset card [ 553.460669] mmcblk1: error -84 transferring data, sector 18432, nr 256, cmd response 0x900, card status 0xb00 [ 553.460685] mmcblk1: retrying using single block read [ 553.603483] mmcblk1: error -84 transferring data, sector 18688, nr 256, cmd response 0x900, card status 0xb00 [ 553.676880] mmc2: tried to reset card [ 553.679914] mmcblk1: error -84 transferring data, sector 18688, nr 256, cmd response 0x900, card status 0xb00 [ 553.679925] mmcblk1: retrying using single block read >sixth test shutdown -r now start android kernel shutdown -r now start 4.1.0-rc5 kernel (all works fine, dd does not generate error, errors=0) [ 55.126886] mmc2: card 0007 removed [ 64.922405] mmc2: new ultra high speed DDR50 SDHC card at address 0007 [ 64.923218] mmcblk1: mmc2:0007 SD32G 29.0 GiB [ 64.925089] mmcblk1: p1 [ 64.925598] byt-rt5640 byt-rt5640: ASoC: CPU DAI baytrail-pcm-audio not registered dd if=/dev/mmcblk1 of=/dev/null bs=1M count=10 10+0 records in 10+0 records out 10485760 bytes (10 MB) copied, 0.301079 s, 34.8 MB/s Thanks -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html