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mmc reader not working properly in new kernels (>=3.13)
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disperato
Tux's lil' helper
Tux's lil' helper


Joined: 27 Apr 2004
Posts: 116

PostPosted: Tue Apr 22, 2014 1:19 pm    Post subject: mmc reader not working properly in new kernels (>=3.13) Reply with quote

new (4 months) laptop, mmc reader (onboard, pcie *not usb*) working up to gentoo-sources-3.12.12 (tested with 64MB card and 1GB card, both working).

New kernel 3.13.5, and 3.14.1 (currently using), both have this strange behaviour:

when 64MB card (7 pins) is inserted, from console 0:
Code:
 kernel: mmc0: new MMC card at address 0001
 kernel: mmcblk0: mmc0:0001 000000 61.2 MiB
 kernel: mmcblk0: p1


when 1GB card (13 pins) is inserted, from console 0:
Code:
 kernel: mmc0: error -22 whilst initialising MMC card
 kernel: mmc0: error -22 whilst initialising MMC card
 kernel: mmc0: error -22 whilst initialising MMC card


I kept silent, a couple of months ago (kernel 3.13.5), because I stumbled upon this right during intensive tasks at the workplace and had no time to write here.
I ended up continuing to use kernel 3.12.12.
Now I have tried with kernel 3.14.1 with the hope this bug had been fixed. Not so.

Suggestions? Should I file a bug? Is this a bug/regression?

lsusb:
Code:
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 045e:0745 Microsoft Corp. Nano Transceiver v1.0 for Bluetooth
Bus 003 Device 003: ID 8087:07dc Intel Corp.
Bus 003 Device 002: ID 147e:1002 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor
Bus 003 Device 005: ID 5986:0512 Acer, Inc
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


lspci:
Code:
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d4)
00:1c.1 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #2 (rev d4)
00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 (rev d4)
00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d4)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM87 Express LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 04)
02:00.0 PCI bridge: Texas Instruments XIO2213A/B/XIO2221 PCI Express to PCI Bridge [Cheetah Express] (rev 01)
03:00.0 FireWire (IEEE 1394): Texas Instruments XIO2213A/B/XIO2221 IEEE-1394b OHCI Controller [Cheetah Express] (rev 01)
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5289 (rev 01)
04:00.2 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0a)
05:00.0 Network controller: Intel Corporation Wireless 7260 (rev 73)


Notice that:
1) the card reader is
Code:
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5289 (rev 01)

2) it is shown the same (unassigned and stuff) with kernel 3.12

the relevant part of my .config (Device Drivers):
Code:
--- MMC/SD/SDIO card support
  │ │          [ ]   MMC debugging 
  │ │          [ ]   Assume MMC/SD cards are non-removable (DANGEROUS)
  │ │          [ ]   MMC host clock gating                             
  │ │                *** MMC/SD/SDIO Card Drivers ***                           
  │ │          <M>   MMC block device driver                                             
  │ │          (8)     Number of minors per block device                                   
  │ │          [*]     Use bounce buffer for simple hosts                               
  │ │          < >   SDIO UART/GPS class support                                         
  │ │          < >   MMC host test driver                                                     
  │ │                *** MMC/SD/SDIO Host Controller Drivers ***                           
  │ │          <M>   Secure Digital Host Controller Interface support                       
  │ │          < >   SDHCI support on PCI bus                                                 
  │ │          < >   SDHCI support for ACPI enumerated SDHCI controllers                     
  │ │          < >   SDHCI platform and OF driver helper                                     
  │ │          < >   Winbond W83L51xD SD/MMC Card Interface support                           
  │ │          < >   TI Flash Media MMC/SD Interface support                                 
  │ │          < >   ENE CB710 MMC/SD Interface support                                       
  │ │          < >   VIA SD/MMC Card Reader Driver                                             
  │ │          < >   VUB300 USB to SDIO/SD/MMC Host Controller support                 
  │ │          < >   USB SD Host Controller (USHC) support                                 
  │ │          <M>   Realtek PCI-E SD/MMC Card Interface Driver                             
  │ │                                                       

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