On 2015-06-15 12:32, Tim Ruehsen wrote:
> On Mon, 15 Jun 2015 11:55:47 +0200 Aurelien Jarno <aurel...@aurel32.net> 
> wrote:
> > Nothing has changed in the libc6 package for sometimes. When does the
> > breakage started? I see you are using a 4.0 kernel, could it be due to
> > that?
> 
> I made some tests on Debian VMs, that I have flying around.
> 
> Debian SID with 4.0 (amd64): problem as described above
> Debian SID with 3.16 (amd64): same problem
> Debian Wheezy with 3.2.0 (amd64): same problem
> Debian Wheezy with 3.2.0 (i386): Works as expected (up to maxmsg=1000, with 
> maxmsg=1001 I get errno=22 (Invalid argument) - that's fine for me, but is 
> not 
> what the man page says for this case.

Well it looks like it matches the manpage:

| O_CREAT was specified in oflag, and attr was not NULL, but
| attr->mq_maxmsg or attr->mq_msqsize was invalid. In a process that is
| unprivileged (does not have the CAP_SYS_RESOURCE capability),
| attr->mq_maxmsg must be less than or equal to the msg_max limit, and
| attr->mq_msgsize must be less than or equal to the msgsize_max limit.

> BTW the man page for mq_open is broken - 
> double entries below ERRORS).

The manpage is nor provided by the glibc, but by the Linux man-pages
project. Please report the bug there.
> 
> Looks like amd64 architecture has the problem since a while.

I don't really know what is the problem, but a strace shows that the
glibc just returns the errno from the kernel.

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurel...@aurel32.net                 http://www.aurel32.net

Attachment: signature.asc
Description: Digital signature

Reply via email to