Date: Wed, 04 Nov 2015 01:01:21 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 204273] panic: [pmc,4204] cpu 0 didn't find a sample to collect Message-ID: <bug-204273-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204273 Bug ID: 204273 Summary: panic: [pmc,4204] cpu 0 didn't find a sample to collect Product: Base System Version: 11.0-CURRENT Hardware: arm64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: emaste@freebsd.org pmccontrol -L - see the things pmcstat -S CPU_CYCLES -T -w 1 .. and panic. panic: [pmc,4204] cpu 0 didn't find a sample to collect [71/1850] cpuid = 0 KDB: stack backtrace: db_trace_self() at db_trace_self_wrapper+0x28 pc = 0xffffff80004d6254 lr = 0xffffff800006d888 sp = 0xffffff87cc2156f0 fp = 0xffffff87cc215810 db_trace_self_wrapper() at vpanic+0x170 pc = 0xffffff800006d888 lr = 0xffffff800025abd0 sp = 0xffffff87cc215820 fp = 0xffffff87cc2158a0 vpanic() at kassert_panic+0x160 pc = 0xffffff800025abd0 lr = 0xffffff800025aa5c sp = 0xffffff87cc2158b0 fp = 0xffffff87cc215970 kassert_panic() at pmc_capture_user_callchain+0x134 pc = 0xffffff800025aa5c lr = 0xffffff8047e2b1e8 sp = 0xffffff87cc215980 fp = 0xffffff87cc2159d0 pmc_capture_user_callchain() at pmc_hook_handler+0x4a0 pc = 0xffffff8047e2b1e8 lr = 0xffffff8047e296e8 sp = 0xffffff87cc2159e0 fp = 0xffffff87cc215a60 pmc_hook_handler() at ast+0x14cCYCLES -T -w 1 [48/1850] pc = 0xffffff8047e296e8 lr = 0xffffff80002a5c20 sp = 0xffffff87cc215a70 fp = 0xffffff87cc215aa0 ast() at handle_el0_irq+0x88 pc = 0xffffff80002a5c20 lr = 0xffffff80004d72e8 sp = 0xffffff87cc215ab0 fp = 0x0000007fffff40e0 KDB: enter: panic [ thread pid 3341 tid 100475 ] Stopped at kdb_enter+0x40: db> call doadump Dumping 3761 out of 131034 MB:..1%(ada0:ahcich0:0:0:0): WRITE_DMA. ACB: ca 00 40 9d ca 46 00 00 00 00 08 00 (ada0:ahcich0:0:0:0): CAM status: CCB request was invalid (ada0:ahcich0:0:0:0): Error 22, Unretryable error Aborting dump due to I/O error. ** DUMP FAILED (ERROR 22) ** = 0x16 db> -- You are receiving this mail because: You are the assignee for the bug.
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