[Bug 280846] Low memory freezes / OOM: a thread waited too long to allocate a page

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 280846] Low memory freezes / OOM: a thread waited too long to allocate a page"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 01 Oct 2024 14:26:23 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280846

--- Comment #13 from Henrich Hartzer <henrichhartzer@tuta.io> ---
Let me know if you need more of the dmesg.

I confirmed with my logs that I've had this on at least 13.2, 14.0, and 14.1.

This is all the same hardware with ZFS.

Apr 10 18:05:54 laptop kernel: FreeBSD 13.2-RELEASE
releng/13.2-n254617-525ecfdad597 GENERIC amd64
Apr 10 18:05:54 laptop kernel: FreeBSD clang version 14.0.5
(https://github.com/llvm/llvm-project.git llvmorg-14.0.5-0-gc12386ae247c)
Apr 10 18:05:54 laptop kernel: VT(efifb): resolution 1366x768
Apr 10 18:05:54 laptop kernel: CPU: Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz
(2594.26-MHz K8-class CPU)
Apr 10 18:05:54 laptop kernel:   Origin="GenuineIntel"  Id=0x306a9  Family=0x6 
Model=0x3a  Stepping=9
Apr 10 18:05:54 laptop kernel:  
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Apr 10 18:05:54 laptop kernel:  
Features2=0x7fbae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
Apr 10 18:05:54 laptop kernel:   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
Apr 10 18:05:54 laptop kernel:   AMD Features2=0x1<LAHF>
Apr 10 18:05:54 laptop kernel:   Structured Extended
Features=0x281<FSGSBASE,SMEP,ERMS>
Apr 10 18:05:54 laptop kernel:   Structured Extended
Features3=0x9c000400<MD_CLEAR,IBPB,STIBP,L1DFL,SSBD>
Apr 10 18:05:54 laptop kernel:   XSAVE Features=0x1<XSAVEOPT>
Apr 10 18:05:54 laptop kernel:   VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
Apr 10 18:05:54 laptop kernel:   TSC: P-state invariant, performance statistics
Apr 10 18:05:54 laptop kernel: real memory  = 17179869184 (16384 MB)
Apr 10 18:05:54 laptop kernel: avail memory = 16438591488 (15677 MB)
Apr 10 18:05:54 laptop kernel: Event timer "LAPIC" quality 600
Apr 10 18:05:54 laptop kernel: ACPI APIC Table: <LENOVO TP-G2   >
Apr 10 18:05:54 laptop kernel: FreeBSD/SMP: Multiprocessor System Detected: 4
CPUs
Apr 10 18:05:54 laptop kernel: FreeBSD/SMP: 1 package(s) x 2 core(s) x 2
hardware threads
...(Same boot)...
Apr 22 08:41:13 laptop kernel: pid 31866 (firefox), jid 0, uid 1002, was
killed: a thread waited too long to allocate a page

Now on different hardware and on UFS.

Sep 29 22:21:38 laptop kernel: FreeBSD 14.1-RELEASE
releng/14.1-n267679-10e31f0946d8 GENERIC amd64
Sep 29 22:21:38 laptop kernel: FreeBSD clang version 18.1.5
(https://github.com/llvm/llvm-project.git llvmorg-18.1.5-0-g617a15a9eac9)
Sep 29 22:21:38 laptop kernel: VT(vga): resolution 640x480
Sep 29 22:21:38 laptop kernel: CPU: Intel(R) Core(TM)2 Duo CPU     T9400  @
2.53GHz (2527.07-MHz K8-class CPU)
Sep 29 22:21:38 laptop kernel:   Origin="GenuineIntel"  Id=0x10676  Family=0x6 
Model=0x17  Stepping=6
Sep 29 22:21:38 laptop kernel:  
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Sep 29 22:21:38 laptop kernel:  
Features2=0x8e3fd<SSE3,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1>
Sep 29 22:21:38 laptop kernel:   AMD Features=0x20100800<SYSCALL,NX,LM>
Sep 29 22:21:38 laptop kernel:   AMD Features2=0x1<LAHF>
Sep 29 22:21:38 laptop kernel:   VT-x: HLT,PAUSE
Sep 29 22:21:38 laptop kernel:   TSC: P-state invariant, performance statistics
Sep 29 22:21:38 laptop kernel: real memory  = 8589934592 (8192 MB)
Sep 29 22:21:38 laptop kernel: avail memory = 8165998592 (7787 MB)
Sep 29 22:21:38 laptop kernel: Event timer "LAPIC" quality 100
Sep 29 22:21:38 laptop kernel: ACPI APIC Table: <LENOVO TP-7U   >
Sep 29 22:21:38 laptop kernel: FreeBSD/SMP: Multiprocessor System Detected: 2
CPUs
Sep 29 22:21:38 laptop kernel: FreeBSD/SMP: 1 package(s) x 2 core(s)
Sep 29 22:21:38 laptop kernel: random: unblocking device.
Sep 29 22:21:38 laptop kernel: Firmware Warning (ACPI): 32/64X length mismatch
in FADT/Pm1aControlBlock: 16/32 (20221020/tbfadt-748)
Sep 29 22:21:38 laptop kernel: Firmware Warning (ACPI): Invalid length for
FADT/Pm1aControlBlock: 32, using default 16 (20221020/tbfadt-850)
Sep 29 22:21:38 laptop kernel: ioapic0: MADT APIC ID 1 != hw id 2
Sep 29 22:21:38 laptop kernel: ioapic0 <Version 2.0> irqs 0-23
Sep 29 22:21:38 laptop kernel: Launching APs: 1
Sep 29 22:21:38 laptop kernel: random: entropy device external interface

This one is actually a different error...

Sep 30 17:03:53 laptop kernel: pid 6374 (firefox), jid 0, uid 1002, was killed:
failed to reclaim memory
Sep 30 18:34:31 laptop kernel: pid 1586 (firefox), jid 0, uid 1002, was killed:
failed to reclaim memory
Sep 30 19:09:41 laptop kernel: pid 68263 (firefox), jid 0, uid 1002, was
killed: failed to reclaim memory
Sep 30 19:13:00 laptop kernel: pid 68948 (firefox), jid 0, uid 1002, was
killed: failed to reclaim memory
Sep 30 19:13:01 laptop kernel: pid 2031 (firefox), jid 0, uid 1003, was killed:
failed to reclaim memory
Sep 30 19:13:03 laptop kernel: pid 99186 (firefox), jid 0, uid 1002, was
killed: failed to reclaim memory

System didn't lock up nearly as bad, but clearly something was eating the
memory.

Since I kldunloaded zfs, the memory hasn't vanished yet.

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