Date: Sun, 12 Apr 2026 12:47:52 +0000 From: bugzilla-noreply@freebsd.org To: ppc@FreeBSD.org Subject: [Bug 294437] powerpc64le: panic: exclusive sleep mutex vm active pagequeue (vm pagequeue) r = 0 (0xc000000001d93680) locked Message-ID: <bug-294437-21@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294437 Bug ID: 294437 Summary: powerpc64le: panic: exclusive sleep mutex vm active pagequeue (vm pagequeue) r = 0 (0xc000000001d93680) locked Product: Base System Version: 16.0-CURRENT Hardware: powerpc OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: ppc@FreeBSD.org Reporter: ivy@FreeBSD.org CC: adrian@freebsd.org observed during buildworld. unfortunately, due to some other issues, i don't have a vmcore (and we also can't debug powerpc vmcores right now due to kgdb being broken) but if this is reproducible, i'll see if i can get one. host is 16.0-CURRENT as of April 10, running under QEMU/KVM on Linux ppc64le. @ 1775994042 [2026-04-12 12:40:42] Start buildworld log=/aux0/src/buildworld.log Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex vm active pagequeue (vm pagequeue) r = 0 (0xc000000001d93680) locked @ /src/bsd/main/sys/vm/vm_page.c:3730 stack backtrace: #0 0xc0000000009863fc at witness_debugger+0x9c #1 0xc0000000009884a4 at witness_warn+0x534 #2 0xc000000000f19b6c at trap_pfault+0xfc #3 0xc000000000f1921c at trap+0x12c #4 0xc000000000f0c8ec at powerpc_interrupt+0x1cc fatal kernel trap: exception = 0x300 (data storage interrupt) virtual address = 0x7 dsisr = 0x40000000 srr0 = 0xc000000000e0ca50 (0xe0ca50) srr1 = 0x8000000000009033 current msr = 0x8000000000009033 lr = 0xc000000000e0c8f8 (0xe0c8f8) frame = 0xc00800008c58ad20 curthread = 0xc00800006edc3140 pid = 47089, comm = cc panic: data storage interrupt trap cpuid = 6 time = 1775997259 KDB: stack backtrace: 0xc00800008c58a9a0: at vpanic+0x1ac 0xc00800008c58aa50: at panic+0x40 0xc00800008c58aa80: at trap_pfault+0x188 0xc00800008c58ab30: at trap+0x12c 0xc00800008c58ac60: at powerpc_interrupt+0x1cc 0xc00800008c58acf0: kernel DSI read trap @ 0x7 by _vm_page_pqstate_commit_dequeue+0x1d0: srr1=0x8000000000009033 r1=0xc00800008c58afa0 cr=0x42000c00 xer=0x20040000 ctr=0x1 r2=0xc000000001a6d000 sr=0x40000000 frame=0xc00800008c58ad20 0xc00800008c58afa0: at _vm_page_pqstate_commit_dequeue+0x74 0xc00800008c58b060: at vm_page_pqstate_commit_dequeue+0xf8 0xc00800008c58b100: at vm_page_pqstate_commit+0x5c 0xc00800008c58b180: at vm_page_deactivate+0x98 0xc00800008c58b210: at vm_fault_deallocate+0x3c 0xc00800008c58b250: at vm_fault+0x1b68 0xc00800008c58b4c0: at vm_fault_trap+0x8c 0xc00800008c58b560: at trap_pfault+0x1b4 0xc00800008c58b610: at trap+0x3b0 0xc00800008c58b740: at powerpc_interrupt+0x1cc 0xc00800008c58b7d0: user DSI write trap @ 0x80c552010 by 0x8010772f4: srr1=0x800000000280f933 r1=0xfffffbfffb660 cr=0x88200a20 xer=0 ctr=0 r2=0x8010ae0c0 sr=0xa000000 frame=0xc00800008c58b800 KDB: enter: panic [ thread pid 47089 tid 101280 ] Stopped at kdb_enter+0x70: ori r0, r0, 0x0 -- You are receiving this mail because: You are the assignee for the bug.home | help
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