[Thinlinc-technical] Thinlinc 4.0 & 64bit unfsd

[קראק אר]

Who the fuck are you?!

בתאריך יום חמישי, 11 באפריל 2013, Henrik Andersson כתב:

>  Hi Rafi,
>
> I have created a bug for this report which you will find at the following
> address:
>
> https://www.cendio.com/bugzilla/show_bug.cgi?id=4592
>
>
> Regards,
>
> Henrik Andersson
>
>
> On 04/04/2013 04:40 PM, Rafael Ostertag wrote:
>
> Hi list
>
> We have a rather annoying issue here, involving the 64bit unfsd shipped
> with the ThinLinc client 4.0.0: when copying files to an exported volume on
> the client machine, we get 'Input/output error'. Sometimes it takes a while
> until copying files fails, other times it fails right away on the first
> file to copy.
>
> Tracing cp(1) using strace(1) revealed, that the open(2) syscall fails,
> when the O_EXCL flag is used in combination with O_CREAT, in order to
> create the destination file initially on the client machine, leaving an
> empty file behind. In case the destination already exists, cp(1) simply
> opens it using O_WRONLY|O_TRUNC which does not fail.
>
> So we basically end up with having to issue the copy command twice in
> order to copy a file to a volume: once in order to create the empty file
> and tricking the second attempt into passing O_WRONLY|O_TRUNC to open(2).
>
> This behavior is not limited to cp(1), Thunar (XFCE), Caja (MATE), and
> Nautilus also complain about Input/output error when files are initially
> created on the exported volume.
>
> We replaced the 64bit ThinLinc client by the 32bit version and the issue
> was gone. So, we strongly suspect the 64bit unfsd being the culprit.
>
> Does anybody else experience this behavior?
>
> Cheers
> rafi
>
> P.S.: ThinLinc server is running Ubuntu 12.04 AMD64 and clients are
> running Ubuntu 12.04/12.10 AMD64. ThinLinc 4.0.0 on both ends.
>
>
>
>
> --
> ---
> Henrik Andersson
> Cendio AB        http://cendio.com
> Teknikringen 8        http://twitter.com/ThinLinc
> 583 30 Linköping    http://facebook.com/ThinLinc
> Phone: +46-13-214600    http://plus.google.com/112509906846170010689
>
>
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