Micron has released an updated firmware (MU02) for M510/M550/MX100
drives to fix the issues with queued TRIM. Queued TRIM remains broken on
M500 but is working fine on later drives such as M600 and MX200.
The upstream 3.19 kernel has tweaked the blacklist to reflect the above.
This change is also
Hi @Joseph,
Good news and bad news.
Good news: the Crucical 1TB M550s were recognized and queued trim support was
disabled:
[3.661992] ata4.00: disabling queued TRIM support
[3.661993] ata4.00: ATA-9: Crucial_CT1024M550SSD1, MU01, max UDMA/133
[3.661994] ata4.00: 2000409264 se
@Jason, can you test the kernel posted in comment #5?
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https://bugs.launchpad.net/bugs/1363462
Title:
Crucial M550 1TB SSD missing from NCQ TRIM blacklist
To manage notifications about
I have the same problem with two Crucial 1TB M550s:
[4.094763] ata4.00: ATA-9: Crucial_CT1024M550SSD1, MU01, max UDMA/133
[4.095063] ata3.00: ATA-9: Crucial_CT1024M550SSD1, MU01, max UDMA/133
and have suffered data-loss in a RAID1 config that required a reinstall.
I also see the errors
** Changed in: linux (Ubuntu)
Status: In Progress => Incomplete
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https://bugs.launchpad.net/bugs/1363462
Title:
Crucial M550 1TB SSD missing from NCQ TRIM blacklist
To manage no
I built a Trusty test kernel with a cherry pick of commit 2a13772. Can
you give this kernel a test and see if it resolves this bug? If so, we
can submit an SRU request until the fix comes from upstream.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1363462/
--
I'll build a test kernel with a cherry-pick of upstream
2a13772a144d2956a7fedd18685921d0a9b8b783
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
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The upstream patch was cc'd to stable, so trusty will get the fix when
the upstream commit comes in via the normal stable update process.
** Tags added: kernel-fixed-upstream trusty
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Bug watch added: Linux Kernel Bug Tracker #810
** Tags added: patch
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https://bugs.launchpad.net/bugs/1363462
Title:
Crucial M550 1TB SSD missing from NCQ TRIM blacklist
To manage notifications about this bug go to:
https://bugs.lau
It's a bit difficult getting logs from a corrupt hard disk. This bug
report was created with the help of my secondary computer running
another distro.
** Patch added: "Upstream kernel patch blacklisting the affected drive"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1363462/+attachmen
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