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Posted to dev@subversion.apache.org by Karl Chen <qu...@cs.berkeley.edu> on 2005/02/24 08:19:02 UTC
svn checkin hangs when out of disk space
I tried to commit, not realizing I was out of disk space on the
partition containing the working copy. Subversion hangs, using
100% CPU.
I couldn't understand what was going on until I attached strace
and found it was in an infinite loop trying to write to fd 4
(which I think is ".svn/tmp/tempfile.tmp"):
write(4, "\205`y\37\207z\346/\354\332c\30y\0\214\16\325r\265\264"..., 4096) = -1 ENOSPC (No space left on device)
write(4, "\205`y\37\207z\346/\354\332c\30y\0\214\16\325r\265\264"..., 4096) = -1 ENOSPC (No space left on device)
write(4, "\205`y\37\207z\346/\354\332c\30y\0\214\16\325r\265\264"..., 4096) = -1 ENOSPC (No space left on device)
... ad infinitum
I think svn might be missing some error checking on file I/O.
--
Karl 2005-02-24 00:12
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Re: svn checkin hangs when out of disk space
Posted by Karl Chen <qu...@cs.berkeley.edu>.
>>>>> On 2005-03-15 11:53 PST, Julian Foad writes:
Julian> which version of Subversion were you using?
1.1.3
Julian> Are you able to construct a small reproduction recipe
Julian> (e.g. using a fixed-size RAM disk to guarantee that it
Julian> will run out of space)?
I can do that later when I have free time (if nobody else has done
it yet)
--
Karl 2005-03-15 12:17
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Re: svn checkin hangs when out of disk space
Posted by Julian Foad <ju...@btopenworld.com>.
Karl Chen wrote:
> I tried to commit, not realizing I was out of disk space on the
> partition containing the working copy. Subversion hangs, using
> 100% CPU.
>
> I couldn't understand what was going on until I attached strace
> and found it was in an infinite loop trying to write to fd 4
> (which I think is ".svn/tmp/tempfile.tmp"):
>
> write(4, "\205`y\37\207z\346/\354\332c\30y\0\214\16\325r\265\264"..., 4096) = -1 ENOSPC (No space left on device)
> write(4, "\205`y\37\207z\346/\354\332c\30y\0\214\16\325r\265\264"..., 4096) = -1 ENOSPC (No space left on device)
> write(4, "\205`y\37\207z\346/\354\332c\30y\0\214\16\325r\265\264"..., 4096) = -1 ENOSPC (No space left on device)
> ... ad infinitum
>
> I think svn might be missing some error checking on file I/O.
That does look like a bug. Thanks for reporting it, but which version of
Subversion were you using? Are you able to construct a small reproduction
recipe (e.g. using a fixed-size RAM disk to guarantee that it will run out of
space)?
Has anyone reproduced or investigated this?
- Julian
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