pst007x, thank you for reporting this and helping make Ubuntu better.
Please be sure to confirm this issue exists with the latest development
release of Ubuntu. ISO CD images are available from
http://cdimage.ubuntu.com/daily/current/ . If the issue remains, please
run the following command in the development release from a Terminal
(Applications->Accessories->Terminal). It will automatically gather and
attach updated debug information to this report.

apport-collect -p linux <replace-with-bug-number>

Also, if you could test the latest upstream kernel available that would
be great. It will allow additional upstream developers to examine the
issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once
you've tested the upstream kernel, please remove the 'needs-upstream-
testing' tag. This can be done by clicking on the yellow pencil icon
next to the tag located at the bottom of the bug description and
deleting the 'needs-upstream-testing' text.

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not
boot, please add the tag: 'kernel-unable-to-test-upstream'.

Please let us know your results. Thanks in advance.

** This bug is no longer a duplicate of bug 703180
   SD card reader inaccessible without pci bus rescan

** Summary changed:

- Acer Aspire 5943G JMicron devices not seen unless system boots with SD card 
inserted
+ 197b:2382 Acer Aspire 5943G JMicron devices not seen unless system boots with 
SD card inserted

** Tags added: natty

** Changed in: linux (Ubuntu)
   Importance: Medium => Low

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Description changed:

  Unable to mount internal SD card once system has booted up. if card is fitted 
before boot up the SD card mounts, however, when I try to format I get the 
error message:
  "ERROR CREATING FILE SYSTEM: HELPER EXITED WITH EXIT CODE  1: CANNOT OPEN 
/DEV/MMCBLK0P1: READ-ONLY FILE SYSTEM"
  The file is stated as read only there is no protection on the SD card enabled 
and I own the file with appropriate read/write privileges, any thoughts?
  Kernal 2.6.35-28-generic-pae
  Ubuntu 10.10
  Acer Aspire 5943G
  
- Unless a card is inserted into the card reader, the entire PCI bus 04:00
- is not detected. This was the hardware which appears when booting with
- the memory card present.
+ WORKAROUND: Unless a card is inserted into the card reader, the entire
+ PCI bus 04:00 is not detected. This was the hardware which appears when
+ booting with the memory card present.
  
  04:00.0 FireWire (IEEE 1394) [0c00]: JMicron Technology Corp. IEEE 1394 Host 
Controller [197b:2380] (rev 30)
  Subsystem: Acer Incorporated [ALI] Device [1025:042f]
  Kernel driver in use: firewire_ohci
  Kernel modules: firewire-ohci, ohci1394
  04:00.1 System peripheral [0880]: JMicron Technology Corp. SD/MMC Host 
Controller [197b:2382] (rev 30)
  Subsystem: Acer Incorporated [ALI] Device [1025:042f]
  Kernel driver in use: sdhci-pci
  Kernel modules: sdhci-pci
  04:00.2 SD Host controller [0805]: JMicron Technology Corp. Standard SD Host 
Controller [197b:2381] (rev 30)
  Subsystem: Acer Incorporated [ALI] Device [1025:042f]
  Kernel modules: sdhci-pci
  04:00.3 System peripheral [0880]: JMicron Technology Corp. MS Host Controller 
[197b:2383] (rev 30)
  Subsystem: Acer Incorporated [ALI] Device [1025:042f]
  Kernel driver in use: jmb38x_ms
  Kernel modules: jmb38x_ms
  04:00.4 System peripheral [0880]: JMicron Technology Corp. xD Host Controller 
[197b:2384] (rev 30)
- Subsystem: Acer Incorporated [ALI] Device [1025:042f] 
+ Subsystem: Acer Incorporated [ALI] Device [1025:042f]
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: linux-image-2.6.35-28-generic-pae 2.6.35-28.50
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.35-28.50-generic-pae 2.6.35.11
  Uname: Linux 2.6.35-28-generic-pae i686
  NonfreeKernelModules: fglrx
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC670 Analog [ALC670 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  pst007x    2007 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd6100000 irq 50'
     Mixer name : 'Realtek ALC670'
     Components : 'HDA:10ec0670,1025042f,00100002'
     Controls      : 23
     Simple ctrls  : 13
  Card1.Amixer.info:
   Card hw:1 'Generic'/'HD-Audio Generic at 0xd6020000 irq 51'
     Mixer name : 'ATI R6xx HDMI'
     Components : 'HDA:1002aa01,00aa0100,00100200'
     Controls      : 4
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Thu Apr 21 19:03:37 2011
  HibernationDevice: RESUME=UUID=18b3b21e-b6c0-4283-8aae-cc613736c315
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  MachineType: Acer Aspire 5943G
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-28-generic-pae 
root=UUID=977fff71-3b0a-49c0-a908-240a50c1966c ro vga=792 splash quiet quiet 
splash
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.38.7
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  SourcePackage: linux
  StagingDrivers: lirc_ene0100
  Title: [STAGING]
  dmi.bios.date: 09/22/2010
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.13
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Aspire 5943G
  dmi.board.vendor: Acer
  dmi.board.version: V1.13
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.13
  dmi.modalias: 
dmi:bvnAcer:bvrV1.13:bd09/22/2010:svnAcer:pnAspire5943G:pvrV1.13:rvnAcer:rnAspire5943G:rvrV1.13:cvnAcer:ct10:cvrV1.13:
  dmi.product.name: Aspire 5943G
  dmi.product.version: V1.13
  dmi.sys.vendor: Acer

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Title:
  197b:2382 Acer Aspire 5943G JMicron devices not seen unless system
  boots with SD card inserted

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