On Tue, Jul 21, 2009 at 4:49 AM, Evan Martin<e...@chromium.org> wrote:
> On Tue, Jul 21, 2009 at 3:39 AM, Antoine Labour<pi...@google.com> wrote:
>>
>> On Tue, Jul 21, 2009 at 3:32 AM, Adam Langley<a...@chromium.org> wrote:
>>> On Tue, Jul 21, 2009 at 3:27 AM, Antoine Labour<pi...@google.com> wrote:
>>>> What's the best practice for debugging sanbox-related issues ?
>>>
>>> Usually you can just ask me: the reason you can't create shared memory
>>> is because you're trying to use POSIX shared memory, which requires
>>> filesystem access. You can use SysV shared memory without issues, but
>>> be careful to get the reference counting correct. (See
>>> render_process.cc for an example of doing it.)
>>
>> Those are SysV shared memory - for TransportDIB. Apparently it's not
>> the creation that fails (I don't get the DLOG), but some issue
>> further, hence why I wanted to debug.
>>
>>> The other way is to comment out the setting of the DUMPABLE flag in
>>> zygote_main_linux.cc and then you'll be able to attach with GDB.
>>
>> Ah, ok, thanks ! I'll try that.
>
> Please add notes to
> http://code.google.com/p/chromium/wiki/LinuxDebugging once you've
> reached a conclusion!
>

Done. I added instructions that aren't yet valid (until
http://codereview.chromium.org/159124 is in).

Antoine

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