linux-ext4 - [Bug 63981] Bad: Buffer I/O errors make disk unusable

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Message-ID: <bug-63981-13602-AmxD2IDcJp@https.bugzilla.kernel.org/>
Date:	Mon, 28 Oct 2013 23:31:31 +0000
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 63981] Bad: Buffer I/O errors make disk unusable

https://bugzilla.kernel.org/show_bug.cgi?id=63981

--- Comment #4 from Theodore Tso <tytso@....edu> ---
BTW, I'm using a 512GB Samsung 840 PRO (2.5" SATA SSD) and an 240GB Intel 525
SSD (mSata) on my Lenovo T430s, and they both work like a charm.

Hmm... I wasn't able to get detailed specs on your SAMSUNG MZNTD256HAGL-00000,
but upon doing some further research, it appears to be a new-fangled M.2 PCIe
interface.  So it's not a mSATA nor a 2.5" SATA interface, but Something New.

So whether or not this is a Linux bug, or an implementation bug in this new
Samsung part (or a failure in the standardization of this new M.2 PCIe
interface), I can't say, but this looks like the most likely cause is a problem
with this new SSD or its new M.2 interface[1].

[1] http://en.wikipedia.org/wiki/Next_Generation_Form_Factor

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