On 03/29/22 at 06:16pm, Baoquan He wrote: > On 03/29/22 at 11:17am, Simon Horman wrote: > > On Sat, Mar 26, 2022 at 02:55:43PM +0800, RuiRui Yang wrote: > > > Hi Simon, > > > > > > Recently RH CKI detected a kexec/kdump failure with kexec_load being > > > used, the 2nd kernel can not boot, just reset to bios/firmware > > > instead. > > > > > > This only happens with gcc 12.x compiled kexec-tools, add > > > "-fno-tree-vectorize" to purgatory/Makefile CFLAGS make the bug > > > dissappear, but I hope people can help to verify and confirm it does > > > fix the problem. It would be better to wait a few days so that we > > > can fix it in the coming release, what do you think? > > > > > > Cced Baoquan who is handling the issue.. > > > > > > Thanks! > > > > Hi RuiRui, > > > > thanks for letting us know. > > > > I'm happy with delaying the release for a short time to accommodate > > resolving this problem. Please let us know when there is some progress. > > Thanks for quick response, Simon. I have sent a patch to fix this, > please check the patch v2 with subject 'purgatory: do not enable > vectorization automatically for purgatory compiling'. > > I tested on machine where the issue can stably reproduced, and can > confirm adding -fno-tree-vectorize to compiling options of purgatory can > fix the issue. > > Dave, please check if it is expected from you. > Hi Baoquan, it works for me. Thanks for posting it. Simon, I used another email/name Ruirui Yang, the two emails both are fine, but I usually use "Dave Young" in community, just fyi in case this cause some confusion :) Thanks Dave _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
