Lenovo ThinkPad T450 panic in vm_page_alloc_check
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Date: Mon, 03 Jan 2022 16:28:18 UTC
Hello, second panic today. The laptop is running: > uname -a FreeBSD NomadBSD 14.0-CURRENT FreeBSD 14.0-CURRENT #0 e9016c0be: Sun Jan 2 04:27:33 CET 2022 root@NomadBSD:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 The backtrace command shows: (kgdb) backtrace #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=textdump@entry=0) at /usr/src/sys/kern/kern_shutdown.c:399 #2 0xffffffff804c590a in db_dump (dummy=<optimized out>, dummy2=<unavailable>, dummy3=<unavailable>, dummy4=<unavailable>) at /usr/src/sys/ddb/db_command.c:575 #3 0xffffffff804c57c2 in db_command (last_cmdp=<optimized out>, cmd_table=<optimized out>, dopager=dopager@entry=1) at /usr/src/sys/ddb/db_command.c:482 #4 0xffffffff804c541d in db_command_loop () at /usr/src/sys/ddb/db_command.c:535 #5 0xffffffff804c8a56 in db_trap (type=<optimized out>, code=<optimized out>) at /usr/src/sys/ddb/db_main.c:270 #6 0xffffffff80c4e63b in kdb_trap (type=type@entry=3, code=code@entry=0, tf=tf@entry=0xfffffe0107440980) at /usr/src/sys/kern/subr_kdb.c:733 #7 0xffffffff810c695a in trap (frame=0xfffffe0107440980) at /usr/src/sys/amd64/amd64/trap.c:609 #8 <signal handler called> #9 kdb_enter (why=0xffffffff812c3774 "panic", msg=<optimized out>) at /usr/src/sys/kern/subr_kdb.c:506 #10 0xffffffff80c00d30 in vpanic (fmt=0xffffffff812a7e39 "page %p has object", ap=ap@entry=0xfffffe0107440ae0) at /usr/src/sys/kern/kern_shutdown.c:908 #11 0xffffffff80c00ac3 in panic (fmt=0xffffffff81e8cea0 <cnputs_mtx> "\223\002(\201\377\377\377\377") at /usr/src/sys/kern/kern_shutdown.c:844 #12 0xffffffff80f74eb8 in vm_page_alloc_check (m=0x80, m@entry=0xfffffe000e199f90) at /usr/src/sys/vm/vm_page.c:2540 #13 0xffffffff80f74987 in vm_page_alloc_domain_after (object=<optimized out>, object@entry=0xfffff801f7801948, pindex=pindex@entry=27, domain=0, req=<optimized out>, mpred=<optimized out>, mpred@entry=0xfffffe0011ff3a30) at /usr/src/sys/vm/vm_page.c:2075 #14 0xffffffff80f745c4 in vm_page_alloc_after (object=0xfffff801f7801948, pindex=27, req=1, mpred=0xfffffe0011ff3a30) at /usr/src/sys/vm/vm_page.c:1940 #15 vm_page_alloc (object=0xfffff801f7801948, pindex=27, req=<optimized out>) at /usr/src/sys/vm/vm_page.c:1911 #16 0xffffffff80f5a850 in vm_fault_allocate (fs=fs@entry=0xfffffe0107440cb8) at /usr/src/sys/vm/vm_fault.c:1199 #17 0xffffffff80f59396 in vm_fault_object (fs=0xfffffe0107440cb8, behindp=0xfffffe0107440cac, aheadp=0xfffffe0107440cb0) at /usr/src/sys/vm/vm_fault.c:1414 #18 vm_fault (map=<optimized out>, map@entry=0xfffffe0106d96000, vaddr=<optimized out>, vaddr@entry=45983234252800, fault_type=fault_type@entry=2 '\002', fault_flags=<optimized out>, fault_flags@entry=0, m_hold=<optimized out>, m_hold@entry=0x0) at /usr/src/sys/vm/vm_fault.c:1549 #19 0xffffffff80f58ee1 in vm_fault_trap (map=0xfffffe0106d96000, vaddr=vaddr@entry=45983234252800, fault_type=<optimized out>, fault_flags=fault_flags@entry=0, signo=0xfffffe0107440f04, ucode=0xfffffe0107440f00) at /usr/src/sys/vm/vm_fault.c:667 #20 0xffffffff810c6f9d in trap_pfault (frame=frame@entry=0xfffffe0107440f40, usermode=true, signo=<optimized out>, signo@entry=0xfffffe0107440f04, ucode=<optimized out>, ucode@entry=0xfffffe0107440f00) at /usr/src/sys/amd64/amd64/trap.c:850 #21 0xffffffff810c6552 in trap (frame=0xfffffe0107440f40) at /usr/src/sys/amd64/amd64/trap.c:385 #22 <signal handler called> #23 0x000029d1a8913b05 in ?? () Backtrace stopped: Cannot access memory at address 0xc91868 I can share the /var/crash directory if needed. Regards -- Maurizio