Sorry this took so long, but I can confirm that the bug does not
reproduce on kernel 4.10.17-041017-generic that you linked to, or on
4.13.0-37-generic from 17.10. Interestingly, kernel 4.10.17 is 3-4x
slower at writing to the NVM device than 4.13.0-37, with the former I
get 260-290 MB/s, with the
Yes, but it will take a few weeks since I am vacationing abroad. I'll try
it when I get back and let you know how it went.
On Tue, 11 Jul 2017 at 16:41, Joseph Salisbury <
joseph.salisb...@canonical.com> wrote:
> Can you also give the latest upstream 4.10 kernel a test? It is available
> from:
>
Can you also give the latest upstream 4.10 kernel a test? It is available from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10.17/
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Title:
The issue did not start happening after an update - I just got this NVM
device, and kernel 4.10.0-24.28-generic was the latest one at the time.
I tried the mainline kernel version
linux-image-4.12.0-041200-generic_4.12.0-041200.201707022031_amd64.deb
and the bug did _not_ reproduce on that. Taggi
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.12 kernel[
Ran apport. Note that while during that apport run the kernel was marked
as tainted because of the proprietary NVIDIA driver, the bug also
replicates without that driver loaded in an untainted kernel. The dmesg
logs I posted earlier are of that state.
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apport information
** Tags added: apport-collected
** Description changed:
When I try writing a large amount of data to a GPT partition on my NVM
SSD using dd, after a second or so I get "kernel BUG" messages in dmesg,
and the writing comes to a halt. The machine remains responsive and I
** Package changed: ubuntu => linux-hwe-edge (Ubuntu)
** Package changed: linux-hwe-edge (Ubuntu) => linux (Ubuntu)
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Title:
Writing to GPT parti
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general. It is important that bug reports be filed about source
packages so that people
** Attachment added: "kernel-bug-dmesg-fresh-partition.log.txt"
https://bugs.launchpad.net/ubuntu/+bug/1700225/+attachment/4902060/+files/kernel-bug-dmesg-fresh-partition.log.txt
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http
** Attachment added: "kernel-bug-dmesg-2.log.txt"
https://bugs.launchpad.net/ubuntu/+bug/1700225/+attachment/4902059/+files/kernel-bug-dmesg-2.log.txt
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** Attachment added: "kernel-bug-dmesg-fresh-partition-2.log.txt"
https://bugs.launchpad.net/ubuntu/+bug/1700225/+attachment/4902061/+files/kernel-bug-dmesg-fresh-partition-2.log.txt
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** Attachment added: "kernel-bug-dmesg.log.txt"
https://bugs.launchpad.net/ubuntu/+bug/1700225/+attachment/4902058/+files/kernel-bug-dmesg.log.txt
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