2013/8/15, Florian Fainelli <flor...@openwrt.org>:
> Le jeudi 15 août 2013 21:18:53 José Vázquez a écrit :
>> 2013/8/11, José Vázquez <ppvazquez...@gmail.com>:
>> > Still we have problems with rootfs_data partition if some openwrt and
>> > kernel options are changed or added.
>> > Because nobody answered i decided to blind shooting after reading all
>> > the info i've could find. Also applied Florian's and Jonas' patches
>> > published in linux-mips patchwork without success, so step back to
>> > trunk r36529 and now can make all the changes without concern.
>> > These are the revisions i've tested:
>> > - https://github.com/Pteridium/openwrt/tree/bcm63xx-r37180: a lot of
>> > problems with renamed files.
>> > - trunk r37745: a bit more stable, but if i do modifications in the
>> > kernel config the previous problems appear.
>> > - https://github.com/Pteridium/openwrt/tree/bcm63xx-r36529: perfect.
>> > Tested with and without procd as init process due to obvious reasons.
>> >
>> > José Vázquez
>>
>> Finally my colleague and me could establish that enabling block-mount
>> in trunk r37180 and r37745 the file rename issue in rootfs_data
>> partition happens always with BCM6368 (generic and SMP subtargets) no
>> matter the kernel version (3.9.11 or 3.10.4).
>> These are the tests made with r37745:
>> - Repository used: https://github.com/Pteridium/OpenWRT-SMP-initial
>> - Bootlog: http://pastebin.com/gsXqfutD
>> - Openwrt config: http://pastebin.com/pMBx1BpE
>> - Kernel config: http://pastebin.com/LtCcYAQW
>> Also tested in a BCM6358 (Huawei HG556) and worked fine:
>> - Bootlog: http://pastebin.com/0KAXi7rv
>>
>> Additionally we tested trunk r36529 with block-mount enabled and procd
>> set as init process and nothing noticeable.
>> Bootlog: http://pastebin.com/KHjq69ZA
>>
>> Due to my limited skills i can't tell you nothing more to help finding
>> what it is happening with block-mount and BCM6368, but now we go to
>> make more tests with the latest trunk because some modifications were
>> made in the init packages.
>
> After discussing with Jonas on IRC about this issue, we believe that what
> you
> are seeing might just be some true concurrency issues, BCM6368 is one of the
>
> only SMP target supported in OpenWrt at the moment. Octeon is also one and
> should show similar issues.
> --
> Florian
>
Reviewing the Barrier Breaker targets, found that there are some ARM
and PowerPC with SMP support and 2 or more cores enabled by default,
but nobody opened a ticket describing an issue like the one we are
experiencing.
We will continue testing each new trunk revision and linux-mips
patches that are being published.

José
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