#linux-rockchip on 2019-10-09 — irc logs at freenode.irclog.whitequark.org

2017-05-08 04:47 ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | IRC log http://irclog.whitequark.org/linux-rockchip | Community GH https://github.com/linux-rockchip | Rockchip GH https://github.com/rockchip-linux | ML https://groups.google.com/group/linux-rockchip

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00:31 <kevery> sigmaris: could you share the boot log of the failure in ATF? what loader do you use?

00:33 <kevery> imsherlock: The LPDDR4 timing is from rockchip forked U-Boot branch, not from DDR binary, what kind of issue did you met?

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00:47 <imsherlock> kevery: u-boot passes off to linux and the kernel starts booting, but then randomly ends with a kernel fault somewhere

00:47 <imsherlock> always deals with memory mapping

00:48 <imsherlock> sometimes it makes it to the rootfs, but often not

00:48 <imsherlock> but even making it to the rootfs ends with a fault

00:49 <kevery> Please try to replace the TPL with rockchip release DDR binary and test again, so that we can make sure if this is because the DRAM configure issue or not

00:50 <imsherlock> I did that and it worked

00:50 <imsherlock> no faults

00:50 <imsherlock> I used the following binary

00:50 <imsherlock> rk3399_ddr_800MHz_v1.23.bin

00:50 <imsherlock> and the SPL generated from v2019.10-rc4

01:00 <imsherlock> any additional information I can send to help?

01:04 <kevery> What's the RAM size of your board?

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07:47 <sigmaris> kevery: I’m using mainline u-boot v2010-rc4. I posted logs and more info on the mailing list:

07:47 <sigmaris> https://lists.trustedfirmware.org/pipermail/tf-a/2019-October/000108.html

07:50 <kevery> when you build u-boot.itb, what is the u-boot.its show, does the atf entry update to 0x4000?

07:50 <kevery> 0x40000

07:52 <mmind00> hmm, maybe the CONFIG_SPL_STACK_R_ADDR=0x80000 could play into this?

07:57 <mmind00> sigmaris kevery: I'm not sure in what direction the SPL_STACK_R_ADDR grows but does changing that value to say 0x100000 help?

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08:00 <kevery> I do test the ATF with rockchip U-Boot SPL(using 0x80000 as SPL STACK) and miniloader, both works OK.

08:14 <sigmaris> kevery: I wonder if it's because I am using TPL and SPL

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08:27 <kevery> TPL+SPL is OK, if you enable 'DEBUG' for SPL, there will be more info about how SPL load and run the ATF.

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08:52 <sigmaris> kevery: This is the u-boot.its generated when I build: https://gist.github.com/sigmaris/c0408ef8ab76779a24955d8057a9c0df

08:52 <sigmaris> with ATF current master 4fdad60c345

08:54 <sigmaris> I won't have access to the board until Friday but I'll try changing the SPL_STACK_R_ADDR and enabling DEBUG for SPL then

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09:54 <kevery> I have reproduce the issue and target the root cause. We need to update "CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x50000" which used to reserve space for ATF.

10:00 <sigmaris> thanks kevery - I will try that on Friday

10:04 <fALSO> yo sigmaris

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10:16 <sigmaris> fALSO: hi

10:16 <fALSO> yo, it seems that i'm getting kernel panic

10:16 <fALSO> yo, it seems that i'm getting kernel panics

10:16 <fALSO> every night

10:16 <fALSO> gotta to leave serial connected to figure out

10:16 <fALSO> i go to sleep, rockpro64 is ok, when i get up, it no longer responds

10:20 <sigmaris> I haven't seen that type of problem, I've left rockpro64 turned on overnight and it keeps running

10:20 <fALSO> :-X

10:21 <sigmaris> but mine is mostly idle overnight. I recommend logging the serial console to see if there's any panic logs from the kernel

10:22 <fALSO> yes

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17:31 <imsherlock> kevery: RAM size of the board is 4GB

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