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:
>
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
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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** Attachment added: "WifiSyslog.txt"
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Attachment added: "UdevDb.txt"
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** Attachment added: "Lsusb.txt"
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** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1700225/+attachment/4902068/+files/ProcCpuinfo.txt
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** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1700225/+attachment/4902064/+files/CurrentDmesg.txt
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** Attachment added: "Lspci.txt"
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** Attachment added: "ProcInterrupts.txt"
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** Attachment added: "ProcModules.txt"
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** Attachment added: "ProcCpuinfoMinimal.txt"
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** 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
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