On Mon, Jan 6, 2014 at 8:02 PM, Theodore Ts'o <tytso@xxxxxxx> wrote: > On Mon, Jan 06, 2014 at 03:58:58PM +0530, Sandeep Joshi wrote: >> I reported a problem with process hanging in ext4 sync on a SSD a few weeks ago >> See this thread http://www.spinics.net/lists/linux-ext4/msg40369.html >> >> That was on a SSD with discard option enabled. I was asked to turn >> that off which I did and never hit the issue again. >> >> Today I saw the same problem on an ext4 filesystem mounted on a loop >> device. The stack is *identical*. > > What model SSD are you using? This looks like the we're just waiting > for the SSD to acknowledge that the write has been completed. This > really smells like a case of a crappy SSD.... > > - Ted Ted, Forgot to mention that in this case the loop device was on a hard device on my laptop. No SSD involved in this failure. -Sandeep -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html