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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1666109
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1666109
Title:
Optimal I/O size isn't calculated properly with uas module, and it may
make data inconsistent on the disk and logical volume
Status in linux package in Ubuntu:
Incomplete
Status in Fedora:
Confirmed
Bug description:
1) Ubuntu release
Ubuntu 16.04.2 LTS x86_64 desktop
2) package name
linux-generic-hwe-16.04 (4.8.0.36.8)
3) Expected behavior
When I attached more than 3 uas devices, all uas devices would be probed as
SCSI disks.
4) What happened instead
The third device failed to be attached, and the first and second devices made
strange behaviors.
5) Additional information
When I used linux-generic (4.4.0.62.65), it was good.
I found this bug on Fedora 25 at first, and I confirmed the same bug exists
on Ubuntu 16.04 LTS.
https://bugzilla.redhat.com/show_bug.cgi?id=1420935
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