回复: S905x (VIM) ramdon crashes, maybe due to display driver.
张 宁
zhangn1985 at outlook.com
Mon Oct 5 09:45:10 EDT 2020
@Oleg
I build it on VIM, natively build kernel, code in NFS, about 12MB/s access bindwidth, using WIFI, and on board 100Mbps ethernet even slower.
And I use debian’s kernel build scripts to build, fully build binary-arch target will take about 18h, mostly due to network, because thermal is about 40, with fun.
may be use usb storage will be faster.
@Neil
after review the patches I applied to 5.9-rc7, no display related patches. and 5.9-rc7 still has this issue.
I understand report issue this way which is no help for debug.
I will try to narrow down to find out the patches between 5.6~5.7, use chroot-arm64-with-qemu on powerful x86_64 build server, this will take 6h on i7-4770K, with local code storage, for 1 build.
BR.
Ning.
发件人: Oleg <balbes-150 at yandex.ru>
发送时间: 2020年10月5日 13:06
收件人: zhangn1985 at outlook.com <zhangn1985 at outlook.com>
主题: Re: S905x (VIM) ramdon crashes, maybe due to display driver.
Hi
Did I understand correctly that it takes 3 days to build the kernel directly on the device itself (ARM)?????
hi,
I observed VIM ramdon crashes from 5.7 kernel with WIP patches[1] from this mail list.
I have tried to find better power supply, remove case, install cooling fun, disable Xserver. VIM still ramdon crashes.
Thus I think this maybe VIM is broken, maybe due to thermal.
I don't have a chance to get the log, even no log print to console, when crash happens.
these days, I made it an arm64 build server, without connect a HDMI display. it runs very well, build kernel 3 days without any crash.
from the phenomenon I think some hidden issues may in display driver.
[1]: https://github.com/zhangn1985/linux/commits/master/debian/patches/khadas
BR.
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