Messages in this thread | | | Subject | Re: [PATCH] clk: tegra: Fix bypassing of PLLs | From | Jon Hunter <> | Date | Tue, 24 Nov 2015 10:21:07 +0000 |
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Hi Tyler,
On 23/11/15 23:18, Tyler Baker wrote: > Hi Jon, > > On 20 November 2015 at 07:11, Jon Hunter <jonathanh@nvidia.com> wrote: >> The _clk_disable_pll() function will attempt to place a PLL into bypass >> if the TEGRA_PLL_BYPASS is specified for the PLL and then disable the PLL >> by clearing the enable bit. To place the PLL into bypass, the bypass bit >> needs to be set and not cleared. Fix this by setting the bypass bit and >> not clearing it. >> >> Signed-off-by: Jon Hunter <jonathanh@nvidia.com> > > The kernelci.org bot recently detected a jetson-tk1 boot failure[1][2] > in the tegra tree. This boot failure has only been observed when > booting with a multi_v7_defconfig kernel variant. The bot bisected[3] > this boot failure to this commit, and I confirmed reverting it on top > of the tegra for-next branch resolves the issue. The ramdisk[4] used > for booting is loaded with the modules from the build. It appears to > me that as the modules are being loaded in userspace by eudev the > jetson-tk1 locks up. I've sifted through the console logs a bit, and > found this splat to be most interesting[5]. Can you confirm this > issue on your end?
Thanks for the report. I have booted the latest next on the jetson-tk1 with the multi_v7_defconfig but I did not see this. However, the test infrastructure is not loading those modules. I need to look at adding this.
I will see if I can reproduce this today and let you know what I find.
Cheers Jon
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