** Description changed: + [Impact] + I tried to use f_mass_storage to expose a 16TB hard drive attached to Raspberry Pi to another computer. On the remote computer the recognised drive has incorrect capacity and the data is truncated. After some debugging I noted the problem is caused by a bug in the read capacity function of f_mass_storage in kernel version prior to 5.15, which had already been fixed upstream in mainline kernel since v5.16 https://lore.kernel.org/all/[email protected]/ I tried the kernel from https://github.com/raspberrypi/linux version rpi-5.16.y and confirmed that the problem is fixed at v5.16. I wonder if the fix can be backported to the Ubuntu kernel. Thank you very much! Current kernel package version: linux-raspi (5.15.0-1011.13) jammy Hardware: Raspberry Pi 4B + + [Fix] + + Backport commit bedbac5f66bf ("usb: gadget: storage: add support for + media larger than 2T") + + [Test case] + + See above. + + [Where problems could occur] + + Problems should only be seen on a client that uses the USB gadget driver + to expose a USB drive to an attached USB host.
** Description changed: [Impact] I tried to use f_mass_storage to expose a 16TB hard drive attached to Raspberry Pi to another computer. On the remote computer the recognised drive has incorrect capacity and the data is truncated. After some debugging I noted the problem is caused by a bug in the read capacity function of f_mass_storage in kernel version prior to 5.15, which had already been fixed upstream in mainline kernel since v5.16 https://lore.kernel.org/all/[email protected]/ I tried the kernel from https://github.com/raspberrypi/linux version rpi-5.16.y and confirmed that the problem is fixed at v5.16. I wonder if the fix can be backported to the Ubuntu kernel. Thank you very much! Current kernel package version: linux-raspi (5.15.0-1011.13) jammy Hardware: Raspberry Pi 4B [Fix] Backport commit bedbac5f66bf ("usb: gadget: storage: add support for media larger than 2T") [Test case] See above. [Where problems could occur] - Problems should only be seen on a client that uses the USB gadget driver - to expose a USB drive to an attached USB host. + Modifications limited to the USB gadget mass storage driver, problems + should only be seen on a client that uses this driver to expose a USB + drive to an attached USB host. ** Description changed: [Impact] I tried to use f_mass_storage to expose a 16TB hard drive attached to Raspberry Pi to another computer. On the remote computer the recognised drive has incorrect capacity and the data is truncated. After some debugging I noted the problem is caused by a bug in the read capacity function of f_mass_storage in kernel version prior to 5.15, which had already been fixed upstream in mainline kernel since v5.16 https://lore.kernel.org/all/[email protected]/ I tried the kernel from https://github.com/raspberrypi/linux version rpi-5.16.y and confirmed that the problem is fixed at v5.16. I wonder if the fix can be backported to the Ubuntu kernel. Thank you very much! Current kernel package version: linux-raspi (5.15.0-1011.13) jammy Hardware: Raspberry Pi 4B [Fix] Backport commit bedbac5f66bf ("usb: gadget: storage: add support for media larger than 2T") [Test case] See above. [Where problems could occur] - Modifications limited to the USB gadget mass storage driver, problems - should only be seen on a client that uses this driver to expose a USB - drive to an attached USB host. + Modifications are limited to the USB gadget mass storage driver, so + problems should only be seen on a client that uses this driver to expose + a USB drive to an attached USB host. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1981390 Title: Mass Storage Gadget driver truncates device >2TB Status in linux package in Ubuntu: Invalid Status in linux source package in Jammy: Confirmed Bug description: [Impact] I tried to use f_mass_storage to expose a 16TB hard drive attached to Raspberry Pi to another computer. On the remote computer the recognised drive has incorrect capacity and the data is truncated. After some debugging I noted the problem is caused by a bug in the read capacity function of f_mass_storage in kernel version prior to 5.15, which had already been fixed upstream in mainline kernel since v5.16 https://lore.kernel.org/all/[email protected]/ I tried the kernel from https://github.com/raspberrypi/linux version rpi-5.16.y and confirmed that the problem is fixed at v5.16. I wonder if the fix can be backported to the Ubuntu kernel. Thank you very much! Current kernel package version: linux-raspi (5.15.0-1011.13) jammy Hardware: Raspberry Pi 4B [Fix] Backport commit bedbac5f66bf ("usb: gadget: storage: add support for media larger than 2T") [Test case] See above. [Where problems could occur] Modifications are limited to the USB gadget mass storage driver, so problems should only be seen on a client that uses this driver to expose a USB drive to an attached USB host. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1981390/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
