Date: Thu, 07 Sep 2023 06:07:11 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 273610] Panic (vm_page_assert_xbusied: page 0xfffffe0001beaed8 busy_lock 0xfffffffe not owned by me) Message-ID: <bug-273610-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D273610 Bug ID: 273610 Summary: Panic (vm_page_assert_xbusied: page 0xfffffe0001beaed8 busy_lock 0xfffffffe not owned by me) Product: Base System Version: 15.0-CURRENT Hardware: Any URL: https://github.com/freebsd/freebsd-src/blob/07bc20e474 0d09f554c3787bb1940fc503300822/sys/vm/vm_page.c#L1173- L1183 OS: Any Status: New Keywords: crash Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: grahamperrin@gmail.com Dump header from device: /dev/ada0p2 Architecture: amd64 Architecture Version: 2 Dump Length: 1684303872 Blocksize: 512 Compression: none Dumptime: 2023-09-06 18:47:12 +0100 Hostname: mowa219-gjp4-8570p-freebsd Magic: FreeBSD Kernel Dump Version String: FreeBSD 15.0-CURRENT amd64 1500000 #10 main-n265135-07bc20e4740d-dirty: Sat Sep 2 17:36:59 BST 2023 =20=20=20 grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GE= NERIC Panic String:=20 Dump Parity: 1722260791vm_page_assert_xbusied: page 0xfffffe0001beaed8 busy_lock 0xfffffffe not owned by me @ /usr/src/sys/vm/vm_page.c:1181 Bounds: 1 Dump Status: good ---- % bectl list -c creation | tail -n 4 n265053-315ee00fa961-d - - 74.4M 2023-09-02 07:52 n265135-07bc20e4740d-a - - 139M 2023-09-02 20:12 n265135-07bc20e4740d-b - - 211M 2023-09-05 19:49 n265135-07bc20e4740d-c NR / 468G 2023-09-06 18:33 %=20 ---- Before the panic: with n265135-07bc20e4740d-b running, I created then mount= ed n265135-07bc20e4740d-c, upgraded its packages, unmounted then activated the environment, then restarted the OS.=20 If I recall correctly: the panic occurred very close to the end of the shut= down routine. ---- sysutils/panicmail panicmail.1 and panicmail.1.enc exist at /var/crash but not yet in my Gmail Inbox. ---- Unread portion of the kernel message buffer: panic: vm_page_assert_xbusied: page 0xfffffe0001beaed8 busy_lock 0xfffffffe= not owned by me @ /usr/src/sys/vm/vm_page.c:1181 cpuid =3D 3 time =3D 1694022432 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0106209= ac0 vpanic() at vpanic+0x132/frame 0xfffffe0106209bf0 panic() at panic+0x43/frame 0xfffffe0106209c50 vm_page_xunbusy_hard_unchecked() at vm_page_xunbusy_hard_unchecked/frame 0xfffffe0106209c60 swapoff_one() at swapoff_one+0x3db/frame 0xfffffe0106209d00 kern_swapoff() at kern_swapoff+0x1bc/frame 0xfffffe0106209e00 amd64_syscall() at amd64_syscall+0x138/frame 0xfffffe0106209f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0106209f30 --- syscall (582, FreeBSD ELF64, swapoff), rip =3D 0x1aab74d9745a, rsp =3D 0x1aab73279628, rbp =3D 0x1aab73279760 --- KDB: enter: panic Uptime: 14h51m24s Dumping 1606 out of 16244 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..= 91% __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 57 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru= ct pcpu, (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 #1 doadump (textdump=3Dtextdump@entry=3D1) at /usr/src/sys/kern/kern_shutdown.c:405 #2 0xffffffff80b57f60 in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:526 #3 0xffffffff80b5845f in vpanic ( fmt=3D0xffffffff8127f6c1 "vm_page_assert_xbusied: page %p busy_lock %#x= not owned by me @ %s:%d", ap=3Dap@entry=3D0xfffffe0106209c30) at /usr/src/sys/kern/kern_shutdown.c:970 #4 0xffffffff80b58203 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:894 #5 0xffffffff80f0d680 in vm_page_xunbusy_hard (m=3D<unavailable>) at /usr/src/sys/vm/vm_page.c:1181 #6 0xffffffff80ee4f9b in swap_pager_swapoff_object (sp=3D0xfffff8015fb3098= 0,=20 object=3D0xfffff8002ffd6420) at /usr/src/sys/vm/swap_pager.c:1895 #7 swap_pager_swapoff (sp=3D0xfffff8015fb30980) at /usr/src/sys/vm/swap_pager.c:1953 #8 swapoff_one (sp=3Dsp@entry=3D0xfffff8015fb30980, cred=3D<optimized out>= ,=20 flags=3Dflags@entry=3D0) at /usr/src/sys/vm/swap_pager.c:2573 #9 0xffffffff80ee49fc in kern_swapoff (td=3D0xfffffe01031cf020,=20 name=3D<optimized out>, name_seg=3DUIO_USERSPACE, flags=3D0) at /usr/src/sys/vm/swap_pager.c:2505 #10 0xffffffff8105e748 in syscallenter (td=3D<optimized out>) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:187 #11 amd64_syscall (td=3D0xfffffe01031cf020, traced=3D0) at /usr/src/sys/amd64/amd64/trap.c:1197 #12 <signal handler called> #13 0x00001aab74d9745a in ?? () Backtrace stopped: Cannot access memory at address 0x1aab73279628 (kgdb)=20 ------------------------------------------------------------------------ ps -axlww =E2=80=A6 --=20 You are receiving this mail because: You are the assignee for the bug.=
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