** Description changed:
+ == SRU Justification ==
+ Dell reports that every time they run a nvme format on an Intel
+ NVMe drive (whether specifying the secure/crypto erase options or not), the
+ format apparently works (drive is wiped clean). The drive's admin queue
+ (queue 0) times out, making the nvme device driver flag an error and reset
the controller.
+
+ This bug is fixed by commit 62843c2e4226, which is in mainline as of
+ v4.17-rc1.
+
+ == Fix ==
+ 62843c2e4226 ("nvme: Use admin command effects for admin commands")
+
+ == Regression Potential ==
+ Low. Limited to nvme driver.
+
+ == Test Case ==
+ A test kernel was built with this patch and tested by the original bug
reporter.
+ The bug reporter states the test kernel resolved the bug.
+
+
+
Every time you run an nvme format on a Intel NVMe drive (whether
specifying the secure/crypto erase options or not), the format
apparently works (drive is wiped clean) but the drive's admin queue
(queue 0) times out, making the nvme device driver flag an error and
reset the controller.
Here's an example:
-
+
nvme-cli-1.5 # ./nvme format -l 0 /dev/nvme1
NVME Admin command error:ABORT_REQ(7)
nvme-cli-1.5 # dmesg|tail -1
[79725.404910] nvme nvme1: I/O 151 QID 0 timeout, reset controller
Patch required:
https://github.com/torvalds/linux/commit/62843c2e4226057c83f520c74fe9c81a1891c331
Request you to include the patch for LTS kernel 4.15 of Ubuntu 18.04
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https://bugs.launchpad.net/bugs/1797587
Title:
Intel NVMe drives timeout when nvme format is attempted
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