Date: Fri, 19 Jan 2018 17:51:02 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 225321] dtrace/powerpc64: System crash Message-ID: <bug-225321-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225321 Bug ID: 225321 Summary: dtrace/powerpc64: System crash Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: breno.leitao@gmail.com When running dtrace function on powerpc64 it crashes: Dtrace line: # dtrace -n 'sched:::off-cpu { @[stack(8)] = count(); }' # Meanwhile you can run some workload as compiling the kernel. You are going to hit: panic: acquiring blockable sleep lock with spinlock or critical section held (sleep mutex) vm map (system) @ /root/kernel/freebsd/sys/vm/vm_map.c:4086 cpuid = 2 time = 1516383953 KDB: stack backtrace: 0xc000000042f7c160: at .kdb_backtrace+0x5c 0xc000000042f7c290: at .vpanic+0x1a4 0xc000000042f7c350: at .kassert_panic+0x8c 0xc000000042f7c3f0: at .witness_checkorder+0xf8 0xc000000042f7c4e0: at .__mtx_lock_flags+0xfc 0xc000000042f7c590: at ._vm_map_lock_read+0x34 0xc000000042f7c610: at .vm_map_lookup+0x94 0xc000000042f7c740: at .vm_fault_hold+0x158 0xc000000042f7c950: at .vm_fault+0x9c 0xc000000042f7ca00: at .trap_pfault+0xd8 0xc000000042f7caa0: at .trap+0xec0 0xc000000042f7cc60: at .powerpc_interrupt+0x1e0 0xc000000042f7cd00: kernel DSI read trap @ 0xffffffffffff9b90 by .dtrace_getpcstack+0x138: srr1=0x8000000000001032 r1=0xc000000042f7cfb0 cr=0x28202024 xer=0 ctr=0xc000000043290788 r2=0xc0000000432d66e8 sr=0x40000000 0xc000000042f7cfb0: at 0x1dffe3fc 0xc000000042f7d050: at .dtrace_probe+0xd70 0xc000000042f7d300: at .sched_switch+0x530 0xc000000042f7d3b0: at .mi_switch+0x2c4 0xc000000042f7d440: at .critical_exit+0xb4 0xc000000042f7d4c0: at .powerpc_interrupt+0xb4 0xc000000042f7d560: kernel EXI trap by .powerpc_interrupt+0x1f0: srr1=0x8000000000009032 r1=0xc000000042f7d810 cr=0x2000f032 xer=0 ctr=0x1 r2=0x1015e38 0xc000000042f7d810: user DSI write trap @ 0x810a59008 by 0x104a29a8: srr1=0x800000000000f032 r1=0xffffffffffff9b80 cr=0x22044028 xer=0 ctr=0x104b357c r2=0x1071b970 sr=0x42000000 KDB: enter: panic [ thread pid 8219 tid 100089 ] Stopped at .kdb_enter+0x60: ld r2, r1, 0x28 -- You are receiving this mail because: You are the assignee for the bug.
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