Re: [uml-user] apache2 won't start with v3.6-rc5 (kernel v3.5 works fine)

[Toralf F. <tor...@gm...>]

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On 09/09/2012 06:55 PM, Richard Weinberger wrote:
> Kind of. semctl() fails for whatever reason.
> 
> semget(IPC_PRIVATE, 1, IPC_CREAT|0600)  = 32769 semctl(32769, 0,
> IPC_64|SETVAL, 0xbfa05178) = -1 EINVAL (Invalid argument) 
> semctl(32769, 0, IPC_64|IPC_RMID, 0xbfa05158) = -1 EINVAL (Invalid
> argument)
> 
>>> A git bisect would also nice to have. :-)

I tried it yesterday evening - but I'm unsure anout the result
(automating the bisecting is difficult b/c sometimes I've start up
errors / core dumps *and* the issue seems to be not 100% reproduceable.
nevertheless I found this after 2 attempts :

commit c1d7e01d7877a397655277a920aeaa3830ed9461
Author: Will Deacon <wil...@ar...>
Date:   Mon Jul 30 14:42:46 2012 -0700

    ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION

    Rather than #define the options manually in the architecture code, add
    Kconfig options for them and select them there instead.  This also
allows
    us to select the compat IPC version parsing automatically for
platforms
    using the old compat IPC interface.

    Reported-by: Andrew Morton <ak...@li...>
    Signed-off-by: Will Deacon <wil...@ar...>
    Cc: Arnd Bergmann <ar...@ar...>
    Cc: Chris Metcalf <cme...@ti...>
    Cc: Catalin Marinas <cat...@ar...>
    Signed-off-by: Andrew Morton <ak...@li...>
    Signed-off-by: Linus Torvalds <tor...@li...>



Furthermore for a bad commit this error msg appears during shutdown of
the UML :


 * Deactivating swap devices ...
                                    [ ok ]
 * Removing dm-crypt mappings
 *   crypt-swap ...
Kernel not configured for semaphores (System V IPC). Not using udev
synchronisation code.                 [ ok ]
 * Stopping udev ...
                                    [ ok ]


I might run bisecting again if wanted.

- -- 
MfG/Sincerely
Toralf Förster
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