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There's a known bug in Ubuntu that causes the system to freeze when copying files to a external hard drive (see https://unix.stackexchange.com/q/107703/56755 and http://lwn.net/Articles/572911/). I can testify that this bug is still a problem in 13.10.

Is this issue fixed in version 14.04, or 14.04.1?

  • The LWN article says it's likely to fixed by kernel version 3.13, and 13.10 only had 3.11, whereas 14.04 has 3.13. I'd guess it's fixed. – muru Aug 7 '14 at 13:32
  • If there's an official bug report, have a look at it. If it says it's fixed, then it should be. – s3lph Aug 7 '14 at 13:44
  • @the_Seppi I don't know if there's an official bug report. If there is one, I haven't found one. – becko Aug 7 '14 at 13:46
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There is a bug report, which was closed as INVALID. The patch to fix this (at least, that's what I think it does from a quick scan of the mailing list discussion) was originally submitted in November. However, it has only entered the linux-next tree today. And from what I understand of the linux-next tree, code merged in to it are aimed at the next release. So, no, the bug hasn't been fixed yet, but will be (hopefully soon).

  • On the other hand, people are saying that kernel 3.13 fixes this issue, and kernel 3.13 is included in Ubuntu 14.04. How can I be sure? Has anyone with Ubuntu 14.04 (or 14.04.1) experienced this issue? – becko Aug 7 '14 at 15:56
  • @becko for what it's worth, I was the commenter on the question who talked about 3.13. But note that that was a guess based on the lwn article's prediction that the patch would be included in 3.13, a prediction which didn't come true. – muru Aug 7 '14 at 16:02

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