jared at basho.com
Wed Oct 17 13:07:45 EDT 2012
Maybe I'm not following, but what in Riak is trying to access files in
`/sys`? Although we don't test on Gentoo, I'd like to enable you to
install it without having to modify your kernel settings.
On Tue, Oct 9, 2012 at 9:46 AM, Tomas Charvat <tc at excello.cz> wrote:
> We have manage to fix mentioned segfault byt disabling sysfs restriction
> in hardened Gentoo kernel.
> It has fixed segfault issues.
> Sysfs/debugfs restriction
> *Configuration option: CONFIG_GRKERNSEC_SYSFS_RESTRICT*
> If you say Y here, sysfs (the pseudo-filesystem mounted at /sys) and any
> filesystem normally mounted under it (e.g. debugfs) will only be accessible
> by root. These filesystems generally provide access to hardware and debug
> information that isn't appropriate for unprivileged users of the system.
> Sysfs and debugfs have also become a large source of new vulnerabilities,
> ranging from infoleaks to local compromise.
> There has been very little oversight with an eye toward security involved
> in adding new exporters of information to these filesystems, so their use
> is discouraged.
> This option is equivalent to a chmod 0700 of the mount paths.
> On 10/07/2012 08:50 PM, Evan Vigil-McClanahan wrote:
> The first thing that strikes me is that you have HIPE enabled on your
> erlang, and the version isn't the one we build with. This isn't
> something riak is usually happy with.
> If you're doing 1.2, try rebuilding riak with R15B01 compiled with
> The config file is usually called app.config, as well, but that might
> have been a typo on your part.
> On Sun, Oct 7, 2012 at 3:28 AM, Tomas Charvat <tc at excello.cz> <tc at excello.cz> wrote:
> Hallo, I have fresh system and Im getting segfaults with riak/erlang.
> erl_crash.dump attached
> Any tip what could be possible wrong ?
> Bin /usr/lib64/riak/erts-5.9/bin/erlexec has same problem as
> Result is that riak cant find /etc/riak/app.conf
> erl, erlc are working without any problem
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