在 2020/8/27 下午11:03, Paul Gortmaker 写道: > [[linux-yocto] Fix a boot issue on zeus] On 27/08/2020 (Thu 16:57) ZhangXiao > wrote: > >> Hi Bruce, >> >> On zeus, with commit >> https://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto/commit/?h=v5.2/standard/intel-x86&id=13ff0e6dd754838b43c1fa1300f40e7390ba04ef > Since that commit is clearly one I added as part of the v5.2.x > maintenance (see the Signed-off-by line from me?) it would have been > nice if you added me to the To/Cc list - I could have easily overlooked > this mail entirely, or not read it until a week later...
Actually, I don't think that very commit caused the race condition, it is just a trigger. And the backporting itself is OK. So... And, It was just find the day before yesterday. >> Some targets can't boot up, different targets, different kernel type may >> have different appearance. > Even if the modes of failure seem different, giving a couple examples > could be useful for others to compare to in order to tell if they have > the same kind of problem. No debug message output, the target just hung there. Qemu and many targets can boot up in order without any issue. It took me for more than a half day to find real target to reproduce it. Till now we can only reproduce it with two of our targets. Preempt-rt kernel can output nothing, while the standard kernel can output some boot message but stopped soon, no abnormal output but just hung there. If there are any useful debug message, or even useful output message, sure, I will paste it. Thanks Xiao >> Upstream commit 63b02ef7d get rid of the race condition and fixed it. > I will deal with this and incorporate it into the next v5.2.x release, > since that is the proper place to fix it, as it isn't Yocto specific. > > It will find its way into Yocto via Bruce like all the 7000+ v5.2.x > backports I've asked him to merge since starting v5.2 maintenance. > > Thanks, > Paul. > -- > >> Thanks >> Xiao >> >> >>
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