I'll built a test kernel with commit db5ff909798e from linux-next.
Do you know if this patch is also needed in the azure kernel?
** Also affects: linux (Ubuntu Bionic)
Importance: Medium
Status: Triaged
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Artful)
Status: New => Triaged
** Changed in: linux (Ubuntu Artful)
Importance: Undecided => Medium
** Tags added: kernel-da-key
** Changed in: linux (Ubuntu Artful)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Artful)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
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https://bugs.launchpad.net/bugs/1743053
Title:
libata: apply MAX_SEC_1024 to all LITEON EP1 series devices
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Artful:
In Progress
Status in linux source package in Bionic:
In Progress
Bug description:
Some SSD drives made by LiteOn can crash the kernel due to bad
drivers. A fix for this issue has been submitted upstream:
https://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git/commit/?h=for-4.15-fixes
LITEON EP1 has the same timeout issues as CX1 series devices.
Revert max_sectors to the value of 1024.
'e0edc8c54646 ("libata: apply MAX_SEC_1024 to all CX1-JB*-HP
devices")'
Signed-off-by: Xinyu Lin <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
Cc: [email protected]
At a high level the root cause of this problem is that the device only
supports commands with a transfer size up to 512KB. This worked fine with
older versions of Linux but newer versions are attempting commands with a
transfer size of 1280KB which is problematic for this device (LITEON EP1-KB480)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1743053/+subscriptions
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