I've built 13/current kernel with "-fno-optimize-sibling-calls" option to have full and true stacks.
And my test stand (which is lousy Atom D2500, I need to admit) becomes unusable with such kernel. Here are NO any errors or message on console, but system drops ssh connection after several seconds (soemtimes before logon, sometimes right after showing shell), timeouts connections to it, etc. When I able to run "top -SH" (for several seconds!) it shows 98% idle! -- // Lev Serebryakov
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