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4.21.0-0.okd-scos-nightly-2026-03-24-094937

Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-03-24-094937
Team Approvals:

Tests:

Upgrades from:

Unable to show full changelog: could not generate a changelog: runtime/cgo: pthread_create failed: Resource temporarily unavailable SIGABRT: abort PC=0x7ff9846b9edc m=0 sigcode=18446744073709551610 goroutine 0 gp=0x86003c0 m=0 mp=0x8602640 [idle]: runtime: g 0 gp=0x86003c0: unknown pc 0x7ff9846b9edc stack: frame={sp:0x7fff02e65e20, fp:0x0} stack=[0x7fff02674000,0x7fff02e66410) 0x00007fff02e65d20: 0x00007fff02e65d20 0x0000000000000000 0x00007fff02e65d30: 0x0000000000000001 0x0000000001cc6200 0x00007fff02e65d40: 0x0000000001cc6362 0x000000000074db16 0x00007fff02e65d50: 0x000000000074db16 0x0000003200000003 0x00007fff02e65d60: 0x00000000ffffffff 0x00007fff02e65da8 0x00007fff02e65d70: 0x00000000078ec2e0 0x00000000085251c0 0x00007fff02e65d80: 0x000000000003b2ea 0x0000000001cc635a 0x00007fff02e65d90: 0x0000000001c888b5 0x000000000705744a 0x00007fff02e65da0: 0x0000000000767a4f 0x00007fff02e65e10 0x00007fff02e65db0: 0x0000000001cabf33 0x00007fff02e65de0 0x00007fff02e65dc0: 0x00007fff02e65df0 0x000000000003b2ea 0x00007fff02e65dd0: 0x00000000085251c0 0x0000000000021301 0x00007fff02e65de0: 0x0000000000000000 0x00007fff02e65ea8 0x00007fff02e65df0: 0x0000000001c7476d 0x00007ff9846c7539 0x00007fff02e65e00: 0x0000000000000000 0x0000000000000011 0x00007fff02e65e10: 0x0000000000000130 0x00007ff9846b9ece 0x00007fff02e65e20: <0x0000000000000120 0x0007f8003fc00000 0x00007fff02e65e30: 0x0000000000000013 0x0000000000000012 0x00007fff02e65e40: 0x0000000000000003 0x0000000000000004 0x00007fff02e65e50: 0x0000003400000013 0x00007ff98473d151 0x00007fff02e65e60: 0x00007ff93d1f7640 0x00007fff02e66130 0x00007fff02e65e70: 0x00007fff02e65f9e 0x00007fff02e65f9f 0x00007fff02e65e80: 0x00007ff93d1f7640 0x00007ff9846b7d85 0x00007fff02e65e90: 0x00007ff984826c80 0x0000000000000120 0x00007fff02e65ea0: 0x00000000003d0f00 0xdde28b88bd0d7700 0x00007fff02e65eb0: 0x00007ff98462b740 0x0000000000000006 0x00007fff02e65ec0: 0x0000000009255b60 0x00007fff02e661f0 0x00007fff02e65ed0: 0x00000000086003c0 0x00007ff98466cb46 0x00007fff02e65ee0: 0x00007ff984827e90 0x00007ff984656833 0x00007fff02e65ef0: 0x0000000000000020 0xdde28b88bd0d7700 0x00007fff02e65f00: 0x00007ff93c9f7000 0x00007ff98472bf74 0x00007fff02e65f10: 0x0000000000000000 0x000000000000000d runtime: g 0 gp=0x86003c0: unknown pc 0x7ff9846b9edc stack: frame={sp:0x7fff02e65e20, fp:0x0} stack=[0x7fff02674000,0x7fff02e66410) 0x00007fff02e65d20: 0x00007fff02e65d20 0x0000000000000000 0x00007fff02e65d30: 0x0000000000000001 0x0000000001cc6200 0x00007fff02e65d40: 0x0000000001cc6362 0x000000000074db16 0x00007fff02e65d50: 0x000000000074db16 0x0000003200000003 0x00007fff02e65d60: 0x00000000ffffffff 0x00007fff02e65da8 0x00007fff02e65d70: 0x00000000078ec2e0 0x00000000085251c0 0x00007fff02e65d80: 0x000000000003b2ea 0x0000000001cc635a 0x00007fff02e65d90: 0x0000000001c888b5 0x000000000705744a 0x00007fff02e65da0: 0x0000000000767a4f 0x00007fff02e65e10 0x00007fff02e65db0: 0x0000000001cabf33 0x00007fff02e65de0 0x00007fff02e65dc0: 0x00007fff02e65df0 0x000000000003b2ea 0x00007fff02e65dd0: 0x00000000085251c0 0x0000000000021301 0x00007fff02e65de0: 0x0000000000000000 0x00007fff02e65ea8 0x00007fff02e65df0: 0x0000000001c7476d 0x00007ff9846c7539 0x00007fff02e65e00: 0x0000000000000000 0x0000000000000011 0x00007fff02e65e10: 0x0000000000000130 0x00007ff9846b9ece 0x00007fff02e65e20: <0x0000000000000120 0x0007f8003fc00000 0x00007fff02e65e30: 0x0000000000000013 0x0000000000000012 0x00007fff02e65e40: 0x0000000000000003 0x0000000000000004 0x00007fff02e65e50: 0x0000003400000013 0x00007ff98473d151 0x00007fff02e65e60: 0x00007ff93d1f7640 0x00007fff02e66130 0x00007fff02e65e70: 0x00007fff02e65f9e 0x00007fff02e65f9f 0x00007fff02e65e80: 0x00007ff93d1f7640 0x00007ff9846b7d85 0x00007fff02e65e90: 0x00007ff984826c80 0x0000000000000120 0x00007fff02e65ea0: 0x00000000003d0f00 0xdde28b88bd0d7700 0x00007fff02e65eb0: 0x00007ff98462b740 0x0000000000000006 0x00007fff02e65ec0: 0x0000000009255b60 0x00007fff02e661f0 0x00007fff02e65ed0: 0x00000000086003c0 0x00007ff98466cb46 0x00007fff02e65ee0: 0x00007ff984827e90 0x00007ff984656833 0x00007fff02e65ef0: 0x0000000000000020 0xdde28b88bd0d7700 0x00007fff02e65f00: 0x00007ff93c9f7000 0x00007ff98472bf74 0x00007fff02e65f10: 0x0000000000000000 0x000000000000000d goroutine 1 gp=0xc000002380 m=0 mp=0x8602640 [running, locked to thread]: runtime.systemstack_switch() /usr/lib/golang/src/runtime/asm_amd64.s:478 +0x8 fp=0xc0000ac5d8 sp=0xc0000ac5c8 pc=0x1cc6488 runtime.newproc(0x1807fffffff?) /usr/lib/golang/src/runtime/proc.go:5161 +0x3f fp=0xc0000ac610 sp=0xc0000ac5d8 pc=0x1c9167f runtime.init.7() /usr/lib/golang/src/runtime/proc.go:361 +0x1a fp=0xc0000ac628 sp=0xc0000ac610 pc=0x1c876da runtime.doInit1(0x851b680) /usr/lib/golang/src/runtime/proc.go:7670 +0xd5 fp=0xc0000ac750 sp=0xc0000ac628 pc=0x1c96a95 runtime.doInit(...) /usr/lib/golang/src/runtime/proc.go:7637 runtime.main() /usr/lib/golang/src/runtime/proc.go:202 +0x11c fp=0xc0000ac7e0 sp=0xc0000ac750 pc=0x1c872fc runtime.goexit({}) /usr/lib/golang/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000ac7e8 sp=0xc0000ac7e0 pc=0x1cc84a1 goroutine 2 gp=0xc000002e00 m=nil [runnable]: runtime.forcegchelper() /usr/lib/golang/src/runtime/proc.go:364 fp=0xc0000acfe0 sp=0xc0000acfd8 pc=0x1c87700 runtime.goexit({}) /usr/lib/golang/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000acfe8 sp=0xc0000acfe0 pc=0x1cc84a1 created by runtime.init.7 in goroutine 1 /usr/lib/golang/src/runtime/proc.go:361 +0x1a rax 0x0 rbx 0x7ff98462b740 rcx 0x7ff9846b9edc rdx 0x6 rdi 0x1c1272 rsi 0x1c1272 rbp 0x1c1272 rsp 0x7fff02e65e20 r8 0x7fff02e65ef0 r9 0x7ff9847ddd40 r10 0x8 r11 0x246 r12 0x6 r13 0x7fff02e661f0 r14 0x86003c0 r15 0xffffffffffffffff rip 0x7ff9846b9edc rflags 0x246 cs 0x33 fs 0x0 gs 0x0

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