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Subject: Linux FAT12 mount issue (digital media problem) - msg#00096

List: linux.newbie

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Dear all,

I have a problem with mounting the SD cards formatted on the digital
camera on my Linux BOX. But I am able to mount and access the same
devices on WinXP.

I think someone might have faced the same problem. Did u find some
solution to this? Please convey if any.

When I have tried to find the fs type SD card formatted in camera.
I found it to be FAT12. Does the linux kernel have the support for FAT12
fs?
I suppose it does. But, why am I not able to mount the device.

Regards,
Mukund jampala

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Re: Re: Problem while inserting pciehp (PCI Express Hot-plug) driver

On 7/29/05, Rajesh Shah <rajesh.shah@xxxxxxxxx> wrote: > On Thu, Jul 28, 2005 at 07:45:49PM +0900, Rajat Jain wrote: > > > > Okay. I'm sorry but I'm not very clear with this. I'm just putting > > down here my understanding. So basically we have two mutually > > EXCLUSIVE hotplug drivers I can use for PCI Express: > > > A hotplug slot can be controlled only by a single hotplug > technology - pcie shpc or acpiphp. However, different parts of > the I/O hierarchy can be controlled by different technologies. > For example, a host bridge I/O complex can be hotplugged using > acpiphp, but end devices under this IO complex may be hotpplugged > using pcie or shpc hotplug. > > > 1) "pciehp.ko" : We use this PCIE HP driver when our BIOS supports > > Native Hot-plug for PCI Express (which means that hot-plug will be > > handled by OS single handedly). > > > > 2) "acpiphp.ko" : We use this "generic" ACPI HP driver when BIOS > > allows only ITSELF to handle hot-plug events. > > > No, acpi hotplug is not handled by BIOS only. > Both acpi and pcie hotplug need firmware support as well as hardware > support. Hardware in many (but not all) systems support both types of > hotplug and its up to the BIOS to decide which type to support. If the > platform supports pcie hotplug, you see an _OSC & _SUN methods in the > ACPI namespace and the pciehp driver controls hotplug slots. If the > system supports acpi hotplug, you see _ADR and _EJ0 methods in the ACPI > namespace and the acpiphp driver controls the corresponding hotplug slots. > > Rajesh > Thanks a lot. It has proved to be a very useful information for me. I can now do some R&D on it. Thanks again, Rajat ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf

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Re: Linux FAT12 mount issue (digital media problem)

Mukund JB. wrote: Dear all, I have a problem with mounting the SD cards formatted on the digital camera on my Linux BOX. But I am able to mount and access the same devices on WinXP. I think someone might have faced the same problem. Did u find some solution to this? Please convey if any. When I have tried to find the fs type SD card formatted in camera. I found it to be FAT12. Does the linux kernel have the support for FAT12 fs? I suppose it does. But, why am I not able to mount the device. Regards, Mukund jampala Dear Mukund JB: What did you do that did not work? I have difficulty also, from time to time, mounting my Compact Flash device using a CF->USB media reader. You may simply be missing the needed drivers. :-| I have 'usb-storage' listed when I: # lsmod I first insert the memory device onto the reader. Then connect the USB cable to my computer. # tail -f /var/log/messages Jul 29 14:42:24 g2000 kernel: hub.c: new USB device 00:10.3-1, assigned address 2 Jul 29 14:42:27 g2000 kernel: Initializing USB Mass Storage driver... Jul 29 14:42:27 g2000 kernel: usb.c: registered new driver usb-storage Jul 29 14:42:27 g2000 kernel: scsi1 : SCSI emulation for USB Mass Storage devices Jul 29 14:42:27 g2000 kernel: sda: sda1 Jul 29 14:42:27 g2000 kernel: USB Mass Storage support registered. Then I: # mount /dev/sda1 /mnt/hd # df -T To show mounted filesystems and types. Mine shows type 'vfat' for my Compact Flash -> USB device. # tail -f /var/log/messages To show errors HTH, Chuck - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs

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Re: Linux FAT12 mount issue (digital media problem)

Mukund JB. wrote: Dear all, I have a problem with mounting the SD cards formatted on the digital camera on my Linux BOX. But I am able to mount and access the same devices on WinXP. I think someone might have faced the same problem. Did u find some solution to this? Please convey if any. When I have tried to find the fs type SD card formatted in camera. I found it to be FAT12. Does the linux kernel have the support for FAT12 fs? I suppose it does. But, why am I not able to mount the device. Regards, Mukund jampala Dear Mukund JB: What did you do that did not work? I have difficulty also, from time to time, mounting my Compact Flash device using a CF->USB media reader. You may simply be missing the needed drivers. :-| I have 'usb-storage' listed when I: # lsmod I first insert the memory device onto the reader. Then connect the USB cable to my computer. # tail -f /var/log/messages Jul 29 14:42:24 g2000 kernel: hub.c: new USB device 00:10.3-1, assigned address 2 Jul 29 14:42:27 g2000 kernel: Initializing USB Mass Storage driver... Jul 29 14:42:27 g2000 kernel: usb.c: registered new driver usb-storage Jul 29 14:42:27 g2000 kernel: scsi1 : SCSI emulation for USB Mass Storage devices Jul 29 14:42:27 g2000 kernel: sda: sda1 Jul 29 14:42:27 g2000 kernel: USB Mass Storage support registered. Then I: # mount /dev/sda1 /mnt/hd # df -T To show mounted filesystems and types. Mine shows type 'vfat' for my Compact Flash -> USB device. # tail -f /var/log/messages To show errors HTH, Chuck - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
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