Date: Thu, 03 Oct 2024 18:06:13 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 281825] SDT tracepoints are not cleaned up when a module is unloaded Message-ID: <bug-281825-227-IIq9vCGlcQ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-281825-227@https.bugs.freebsd.org/bugzilla/> References: <bug-281825-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D281825 --- Comment #1 from John Baldwin <jhb@FreeBSD.org> --- This seems to reproduce the original panic reported to me: kldload nvmft kldload dtraceall kldunload nvmft kldload ctl kldload nvmft Fatal trap 12: page fault while in kernel mode cpuid =3D 11; apic id =3D 0b fault virtual address =3D 0xffffffff8281d078 fault code =3D supervisor write data, protection violation instruction pointer =3D 0x20:0xffffffff828f4761 stack pointer =3D 0x28:0xfffffe00dc30b8f0 frame pointer =3D 0x28:0xfffffe00dc30ba80 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 1084 (kldload) rdi: ffffffff8285e70e rsi: ffffffff8285ed86 rdx: 0000000000000000 rcx: ffffffff8281d078 r8: 0000000000000004 r9: 0000000000000000 rax: ffffffff82865018 rbx: ffffffff82865000 rbp: fffffe00dc30ba80 r10: 0000000000010000 r11: 0000000000000001 r12: fffff80008085c00 r13: fffff8013dd2a220 r14: fffff8003cee6628 r15: fffff80003f37000 trap number =3D 12 panic: page fault cpuid =3D 11 time =3D 1727978657 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00dc30b= 5c0 vpanic() at vpanic+0x13f/frame 0xfffffe00dc30b6f0 panic() at panic+0x43/frame 0xfffffe00dc30b750 trap_fatal() at trap_fatal+0x40b/frame 0xfffffe00dc30b7b0 trap_pfault() at trap_pfault+0xa0/frame 0xfffffe00dc30b820 calltrap() at calltrap+0x8/frame 0xfffffe00dc30b820 --- trap 0xc, rip =3D 0xffffffff828f4761, rsp =3D 0xfffffe00dc30b8f0, rbp = =3D 0xfffffe00dc30ba80 --- sdt_kld_load_probes() at sdt_kld_load_probes+0x3c1/frame 0xfffffe00dc30ba80 linker_load_module() at linker_load_module+0xe90/frame 0xfffffe00dc30bd80 kern_kldload() at kern_kldload+0x16e/frame 0xfffffe00dc30bdd0 sys_kldload() at sys_kldload+0x5c/frame 0xfffffe00dc30be00 amd64_syscall() at amd64_syscall+0x158/frame 0xfffffe00dc30bf30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00dc30bf30 --- syscall (304, FreeBSD ELF64, kldload), rip =3D 0x1085b13898da, rsp =3D 0x1085aeefe008, rbp =3D 0x1085aeefe580 --- --=20 You are receiving this mail because: You are the assignee for the bug.=
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