#linux-rockchip on 2014-10-09 — irc logs at freenode.irclog.whitequark.org

2014-10-07 12:46 ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | Wiki at http://linux-rockchip.info | Logs at http://irclog.whitequark.org/linux-rockchip | ML at http://groups.google.com/group/linux-rockchip

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01:05 <dlan> I'd like to use upstream kernel, does anyone know if it capable of running a network-based rootfs (mmc + ethernet driver)?

01:06 <dlan> my initial attempt fail at mmc driver, http://dpaste.com/0AV1ZV2

01:08 <dlan> using radxa, and follow this article http://wiki.radxa.com/Rock/Linux_Mainline

01:08 <naobsd> dlan: linux supports nfs root long time... are you asking support for on-board ethernet in 3.17?

01:09 <dlan> naobsd: yes,

01:09 <dlan> so ethernet is working since it capable of boot nfs rootfs

01:09 <dlan> how about the mmc driver?

01:09 <dlan> reg-fixed-voltage sdmmc-regulator: Failed to find supply vin

01:09 <dlan> reg-fixed-voltage sdmmc-regulator: Failed to register regulator: -517

01:09 <dlan> first glance from the log

01:11 <naobsd> I think rk3188 ethernet is not supported or has a issue in 3.17...

01:12 <naobsd> mmc may work but at least you need root= rootwait etc in kernel command line

01:12 <dlan> I haven't tried the nfs rootfs, so not sure if it works or not

01:14 <naobsd> ah, that wiki page uses linux-next

01:14 <naobsd> are you using linux-next?

01:14 <dlan> for the mmc, no, it's not even reach that stage, mmc driver is not working

01:14 <dlan> I'm using the linux official release v3.17

01:14 <dlan> the version linus released at Oct 5

01:15 <dlan> I would try linux-next

01:15 <naobsd> you should

01:15 <dlan> ok, let me try, tahnks

01:15 <naobsd> and that kernel config should be old... :(

01:16 <dlan> oh, where i can get the new one?

01:17 <naobsd> https://github.com/mmind/linux-rockchip/tree/devel/workbench may be better

01:17 <naobsd> https://github.com/naobsd/linux/tree/rockchip/snapshot-20140928 or my bit old working tree (will be obsolete soon)

01:18 <naobsd> if something doesn't work well, it's normal :)

01:21 <dlan> naobsd: oh, you are Heiko Stübner? the rockchip maintainer?

01:21 <dlan> I mean kernel tree ;-)

01:23 <dlan> oops, guess answer is no

01:25 <naobsd> no

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05:56 <rperier> dlan: linux-next works fine with rootfs over the network (nfs). There are just few lost packets sometimes, but it is usable (I am invesgating)

05:56 <rperier> I did not try mmc recently

05:57 <rperier> you can use this defconfig with "next" : https://github.com/neo-technologies/meta-rockchip/blob/mainline/recipes-kernel/linux/linux/radxa-rock/defconfig

05:57 <rperier> just adapt it to your needs (modify bootargs for example)

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06:04 <rperier> not sure you might have to activate "EMAC_ROCKCHIP" (device drivers -> network device drivers -> ethernet -> EMAC Rockchip" from menuconfig)

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06:06 <dlan> rperier: mmc driver works here. it seems i was using wrong kernel config

06:06 <rperier> ok cool :)

06:06 <dlan> didn't investigate why

06:06 <dlan> just use https://github.com/mmind/linux-rockchip/tree/devel/workbench, and arch/arm/configs/rk30_rk31_defconfig

06:07 <dlan> guess it might also works with plain upstream kernel ( I mean v3.17), but haven't tried so far

06:08 <dlan> and another problem, i found radxa not so stable, sometimes ddr3 initialize failed, and wont' boot ;-(

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06:52 <Shant1991> Hello

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07:44 <rperier> mmind00: hi, when you have time, could you update the TODO (http://linux-rockchip.info/mw/index.php?title=TODO) with your tasks and/or suggestions ? :)

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08:15 <naobsd_> hramrach_: what is "An updated version that can replace the bootloader" ? "replace" ?

08:22 <naobsd_> rkflashkit is not GUI frontend of rkflashtool

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08:25 <naobsd_> (ah, I should not mention anything I don't write)

08:28 <dlan> have problem with kernel v3.17(ethernet not work) and linux-next-20141008 (mmc fail)

08:29 <dlan> rperier: use devel/workbench, and transfer 70M data, then kernel oops, networking is down

08:29 <rperier> dlan: what do you mean by "ethernet does not work" in 3.17 ?

08:30 <hramrach_> naobsd_: what are you talking about?

08:30 <naobsd_> hramrach_: sorry http://linux-rockchip.info/mw/index.php?title=Rkflashtool

08:30 <rperier> oh that's because emac_rockchip (working ethernet driver for rk3188 and rk3066) should come with linux 3.18 :)

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08:31 <dlan> rperier: don't have kernel logs now..

08:31 <hramrach_> naobsd_: I probably wrote that page like a year ago using cut&paste from some place that had basic info on the tools

08:31 <hramrach_> never used them not having anything to flash

08:31 <dlan> rperier: yeah, I think it's emac thingie

08:32 <rperier> well, for emac-rockchip you need to use either devel/workbench or linux-next. The drivers is still buggy (bu usable) so you might have panic and loose packets sometimes

08:32 <dlan> who is working on emac-rockchip?

08:32 <cristian_c> Hi

08:33 <cristian_c> naobsd_, Have I to create a /lib directory?

08:33 <dlan> here is the oops message I've got (for ethernet), http://dpaste.com/19XHCB5

08:33 <hramrach_> or if you mean the addition about your new version

08:33 <hramrach_> feel free to reword it to make it clearer. it's a wiki

08:33 <rperier> dlan: it's me

08:34 <dlan> ok.

08:34 <rperier> I developed it, issues are not directly from emac-rockchip itself but from arc_emac (the core driver which is used by emac-rockchip)

08:35 <dlan> ok, so what i've got is a known issue?

08:35 <dlan> from log: (arc_emac_poll) from [<c04d8bdc>] (net_rx_action+0x6c/0x170

08:36 <rperier> arc_emac_poll -> skb_put -> skb_panic ?

08:36 <rperier> sometimes like that ?

08:36 <hramrach_> rperier: is there any similarity to the emac Ethernet on Allwinner?

08:36 <naobsd_> about emac thing, these patches are merged in your tree? https://github.com/naobsd/linux/commit/122dc16ebae447ec2650ec0bde5b84fc5f329eb7 https://github.com/naobsd/linux/commit/e41612a48b7bf105bd5bb3342c8749041b339ccd

08:37 <naobsd_> (I forgot patchwork#, sorry)

08:37 <naobsd_> cristian_c: my fbset in miniroot needs files under /lib

08:38 <rperier> I think that these patches are merged if he uses linux-next or devel/workbench (as heiko rebase his repo frequently)

08:38 <dlan> anyone has any idea why mmc not working with linux-next branch? http://dpaste.com/3R0XQGD

08:38 <cristian_c> naobsd_, I haven't got /lib directory in my root

08:38 <rperier> anyway, even with these patches, there are issues :)

08:38 <cristian_c> so, have I to create it?

08:40 <hramrach_> rperier: the driver on AW tends to not crash but still loses packets. I have no idea if it's the same IP or if just has the same name, though

08:40 <naobsd_> rperier: I see

08:41 <cristian_c> naobsd_, sorry, I've understood

08:41 <naobsd_> cristian_c: if you can put files to /lib/ without creating /lib, please do it

08:41 <cristian_c> now, I check files in the miniroot radxa boot partition

08:42 <mmind00> dlan: your bootlog is definitely missing any probe messages from the dw_mmc

08:42 <rperier> hramrach_: that's not the same driver, in rockchip we use the "arc" ethernet driver, for allwinner that's stmicro/stmmac.

08:43 <cristian_c> I've found ld-linux-armhf.so.3 and two directories: arm-linux-gnueabihf and modules

08:43 <cristian_c> in arm-linux-gnueabihf there are many .so files

08:44 <cristian_c> in modules there is rk30xxnand_ko.ko.3.0.36+, but I've already got that file in my root directory

08:44 <mmind00> hramrach_: rperier: just to correct ... everything before rk3288 uses the arc_emac, while rk3288 uses a stmmac (dwmac) variant

08:44 <rperier> oh yeah, I forgot rk3288 sorry

08:44 <rperier> :)

08:45 <rperier> right

08:47 <cristian_c> naobsd_, ok, should I get ld-linux-armhf.so.3 and arm-linux-gnueabihf directory?

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09:02 <hramrach_> stmmac is nice

09:03 <hramrach_> rperier: AW has stmmac on A20 and later SoC and emac on A10/A20

09:04 <hramrach_> but it is not known what kind of IP the emac is

09:06 <hramrach_> also not sure if it survived to later SoCs or they dumped it already

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09:21 <hramrach_> anyone has slatedroid account? I cannot download the pictures here http://www.slatedroid.com/topic/75769-fnf-ifive-x2/page-17#entry1024026 and registration either does not work or is very slow

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09:37 <rperier> naobsd_: I know that you like play with rockchip stick/boards sometimes. did you already play with a rk2928 stick ? or do you know one with a rk2928 ?

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09:46 <karlp> it's only in older tablets isn't it?

09:52 <rperier> well, there is a list of devices here http://en.wikipedia.org/wiki/Rockchip (in the right column)

09:52 <rperier> I just found it

10:04 <naobsd_> rperier: I have rk2926 tablet but I cannot find uart, and I do nothing with it

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10:06 <hramrach_> 2926 was quite common in the cheapest tablets a year or two age and you can probably still get some

10:06 <hramrach_> ehm, 2928 more likely

10:06 <cristian_c> naobsd_, any ideas?

10:07 <hramrach_> but it's rather underpowered and the support is poor so what's the point, anyway

10:10 <naobsd_> cristian_c: libc.so.6 ld-linux-armhf.so.3

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10:10 <naobsd_> cristian_c: ^try "readelf -d"

10:11 <naobsd_> s/do nothing/did nothing/

10:11 <naobsd_> I want to do

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10:12 <cristian_c> ok, libc.so.6 found

10:20 <cristian_c> naobsd_, ok, I paste the readelf results on a paste service

10:20 <naobsd_> cristian_c: sorry, I just said you can get info from readelf -d fbset

10:21 <cristian_c> ok

10:23 <cristian_c> http://pastebin.com/17fsnE06

10:23 <cristian_c> I try to translate

10:24 <cristian_c> The dinamyc section contains 25 entries to the offset 0x6f10:

10:25 <cristian_c> shared folder

10:26 <naobsd_> you need only name of libraries for now...

10:26 <cristian_c> ok

10:26 <naobsd_> (not but to understand them)

10:26 <naobsd_> but -> bad

10:26 <naobsd_> my brain is nearly dead...

10:26 <cristian_c> [libc.so.6]

10:27 <naobsd_> return to home...

10:27 <cristian_c> [ld-linux-armhf.so.3]

10:27 <cristian_c> ok I understand

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16:48 <rperier> I have received my Marsboard RK3066 !!! :D

16:48 <rperier> nice toy :)

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16:52 <kenguru> one stupid question, what is the easiest way to "unlock" the android market so it won't limit certain programs out of installation possibility for these hdmi sticks?

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17:20 <rperier> yocto is running on it ;)

17:20 <rperier> (well, I forgot a ton of things... but it boots)

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