Lenz Grimmer, thank you for taking the time to report this bug and
trying to help make Ubuntu better. However, the mainline kernel is not a
software package provided by the official Ubuntu repositories. For more
on this, please see
https://wiki.ubuntu.com/Kernel/MainlineBuilds#Does_the_kernel_team_
As I wrote in the initial report: "This seems to be a regression in the
mainline Kernel, as the default kernel (3.13.0-44-generic) performed
this dd operation without issues - but it seems to be using a different
USB driver for the disk"
I also included the relevant kernel output.
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You receive
Can you boot back into the prior kernel can see if the I/O errors go
away? It would be good to confirm this only happens with the mainline
kernel.
** Tags added: kernel-da-key
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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I ran "apport-collect 1415859" as requested and changed the status to
"Confirmed" now.
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1415859
Title:
Immediate I/O errors when dd-ing data to an extern
apport information
** Tags added: apport-collected
** Description changed:
I discovered this bug while trying to dd a potentially corrupt Btrfs
file system to an external hard disk (see #1415510 for details).
Unfortunately "ubuntu-bug" refused to file this report, as I'm running
the main
** Attachment added: "Output of lsusb -v"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1415859/+attachment/4307842/+files/lsusb.log
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https://bugs.launchpad.net/bugs/1415859
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