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4.21.0-0.okd-scos-nightly-2026-04-02-014148

Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-04-02-014148
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=0x7f9db913302c m=0 sigcode=18446744073709551610 goroutine 0 gp=0x860a420 m=0 mp=0x860c6a0 [idle]: runtime: g 0 gp=0x860a420: unknown pc 0x7f9db913302c stack: frame={sp:0x7ffd381cfb10, fp:0x0} stack=[0x7ffd379df000,0x7ffd381d0070) 0x00007ffd381cfa10: 0x0000000001cacf33 0x00007ffd381cfa40 0x00007ffd381cfa20: 0x00007ffd381cfa50 0x000000000003b2ea 0x00007ffd381cfa30: 0x000000000852f200 0x0000000000021301 0x00007ffd381cfa40: 0x0000000000000000 0x00007ffd381cfb08 0x00007ffd381cfa50: 0x0000000001c7576d 0x00007f9db8fc3c00 0x00007ffd381cfa60: 0x00007ffd381cfa98 0x0000000001ca7549 0x00007ffd381cfa70: 0x00007ffd381cfae8 0x0000000001cad2f2 0x00007ffd381cfa80: 0x0006c80036400000 0x0007f8003fc00000 0x00007ffd381cfa90: 0x0000000000000000 0x0000000000000012 0x00007ffd381cfaa0: 0x0000000000000003 0x0000000000000000 0x00007ffd381cfab0: 0x0000000000002030 0x0000000000002031 0x00007ffd381cfac0: 0x0000000000000000 0x0000000000000000 0x00007ffd381cfad0: 0x00007f9db912eb50 0x000000001c000004 0x00007ffd381cfae0: 0x00007f9db90e5c30 0x00007f9db9140689 0x00007ffd381cfaf0: 0x0000000000000000 0x0000000000000011 0x00007ffd381cfb00: 0x0000000000000130 0x00007f9db913301e 0x00007ffd381cfb10: <0x0000000000000120 0x00007ffd381cfd28 0x00007ffd381cfb20: 0x00007ffd00000013 0x00007ffd381cfd38 0x00007ffd381cfb30: 0x00007ffd381cfd68 0x0000000000000004 0x00007ffd381cfb40: 0x0000003400000013 0x00007f9db91b6421 0x00007ffd381cfb50: 0x00007f9d72470640 0x00007ffd381cfe20 0x00007ffd381cfb60: 0x00007ffd381cfc8e 0x00007ffd381cfc8f 0x00007ffd381cfb70: 0x00007f9d72470640 0x00007f9db9130ed5 0x00007ffd381cfb80: 0x00007f9db92a0ca0 0x0000000000000120 0x00007ffd381cfb90: 0x00000000003d0f00 0x9e2bb9eb5639cd00 0x00007ffd381cfba0: 0x00007f9db90a3740 0x0000000000000006 0x00007ffd381cfbb0: 0x0000000008b8f2a0 0x00007ffd381cfee0 0x00007ffd381cfbc0: 0x000000000860a420 0x00007f9db90e5b86 0x00007ffd381cfbd0: 0x00007f9db92a1eb0 0x00007f9db90cf873 0x00007ffd381cfbe0: 0x0000000000000020 0x9e2bb9eb5639cd00 0x00007ffd381cfbf0: 0x00007f9d71c70000 0x00007f9d72470640 0x00007ffd381cfc00: 0x0000000000000000 0x00007f9db9128fbd runtime: g 0 gp=0x860a420: unknown pc 0x7f9db913302c stack: frame={sp:0x7ffd381cfb10, fp:0x0} stack=[0x7ffd379df000,0x7ffd381d0070) 0x00007ffd381cfa10: 0x0000000001cacf33 0x00007ffd381cfa40 0x00007ffd381cfa20: 0x00007ffd381cfa50 0x000000000003b2ea 0x00007ffd381cfa30: 0x000000000852f200 0x0000000000021301 0x00007ffd381cfa40: 0x0000000000000000 0x00007ffd381cfb08 0x00007ffd381cfa50: 0x0000000001c7576d 0x00007f9db8fc3c00 0x00007ffd381cfa60: 0x00007ffd381cfa98 0x0000000001ca7549 0x00007ffd381cfa70: 0x00007ffd381cfae8 0x0000000001cad2f2 0x00007ffd381cfa80: 0x0006c80036400000 0x0007f8003fc00000 0x00007ffd381cfa90: 0x0000000000000000 0x0000000000000012 0x00007ffd381cfaa0: 0x0000000000000003 0x0000000000000000 0x00007ffd381cfab0: 0x0000000000002030 0x0000000000002031 0x00007ffd381cfac0: 0x0000000000000000 0x0000000000000000 0x00007ffd381cfad0: 0x00007f9db912eb50 0x000000001c000004 0x00007ffd381cfae0: 0x00007f9db90e5c30 0x00007f9db9140689 0x00007ffd381cfaf0: 0x0000000000000000 0x0000000000000011 0x00007ffd381cfb00: 0x0000000000000130 0x00007f9db913301e 0x00007ffd381cfb10: <0x0000000000000120 0x00007ffd381cfd28 0x00007ffd381cfb20: 0x00007ffd00000013 0x00007ffd381cfd38 0x00007ffd381cfb30: 0x00007ffd381cfd68 0x0000000000000004 0x00007ffd381cfb40: 0x0000003400000013 0x00007f9db91b6421 0x00007ffd381cfb50: 0x00007f9d72470640 0x00007ffd381cfe20 0x00007ffd381cfb60: 0x00007ffd381cfc8e 0x00007ffd381cfc8f 0x00007ffd381cfb70: 0x00007f9d72470640 0x00007f9db9130ed5 0x00007ffd381cfb80: 0x00007f9db92a0ca0 0x0000000000000120 0x00007ffd381cfb90: 0x00000000003d0f00 0x9e2bb9eb5639cd00 0x00007ffd381cfba0: 0x00007f9db90a3740 0x0000000000000006 0x00007ffd381cfbb0: 0x0000000008b8f2a0 0x00007ffd381cfee0 0x00007ffd381cfbc0: 0x000000000860a420 0x00007f9db90e5b86 0x00007ffd381cfbd0: 0x00007f9db92a1eb0 0x00007f9db90cf873 0x00007ffd381cfbe0: 0x0000000000000020 0x9e2bb9eb5639cd00 0x00007ffd381cfbf0: 0x00007f9d71c70000 0x00007f9d72470640 0x00007ffd381cfc00: 0x0000000000000000 0x00007f9db9128fbd goroutine 1 gp=0xc000002380 m=0 mp=0x860c6a0 [running]: runtime.systemstack_switch() /usr/lib/golang/src/runtime/asm_amd64.s:478 +0x8 fp=0xc0000ac750 sp=0xc0000ac740 pc=0x1cc7488 runtime.main() /usr/lib/golang/src/runtime/proc.go:173 +0x67 fp=0xc0000ac7e0 sp=0xc0000ac750 pc=0x1c88247 runtime.goexit({}) /usr/lib/golang/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000ac7e8 sp=0xc0000ac7e0 pc=0x1cc94a1 rax 0x0 rbx 0x7f9db90a3740 rcx 0x7f9db913302c rdx 0x6 rdi 0x17452b rsi 0x17452b rbp 0x17452b rsp 0x7ffd381cfb10 r8 0x7ffd381cfbe0 r9 0x7f9db9257d20 r10 0x8 r11 0x246 r12 0x6 r13 0x7ffd381cfee0 r14 0x860a420 r15 0xffffffffffffffff rip 0x7f9db913302c rflags 0x246 cs 0x33 fs 0x0 gs 0x0

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