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Message-ID: <20150617174529.GA10915@agluck-desk.sc.intel.com> Date: Wed, 17 Jun 2015 10:45:30 -0700 From: "Luck, Tony" <tony.luck@...el.com> To: Borislav Petkov <bp@...e.de> Cc: "Wang, Rui Y" <rui.y.wang@...el.com>, "Chen, Gong" <gong.chen@...el.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: MCE Bug? On Wed, Jun 17, 2015 at 11:41:56AM +0200, Borislav Petkov wrote: > And I was waiting in line to get a chance to do some injection on our > EINJ box here too. But it seems you have the required setup already so > if you want to give those changes a run, I've uploaded them here: > > git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git#tip-ras > > It'll be much appreciated. and the answer is <drum roll> .... no. :-( Here's the console log: [ 0.190921] Initializing cgroup subsys blkio [ 0.195701] Initializing cgroup subsys memory [ 0.200621] Initializing cgroup subsys devices [ 0.205591] Initializing cgroup subsys freezer [ 0.210563] Initializing cgroup subsys net_cls [ 0.215535] Initializing cgroup subsys perf_event [ 0.220837] Initializing cgroup subsys hugetlb [ 0.225884] CPU: Physical Processor ID: 0 [ 0.230368] CPU: Processor Core ID: 0 [ 0.235373] mce: CPU supports 22 MCE banks [ 0.239995] CPU0: Thermal monitoring enabled (TM1) [ 0.245388] process: using mwait in idle threads [ 0.250554] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.257367] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.265023] Freeing SMP alternatives memory: 28K (ffffffff81cd9000 - ffffffff81ce0000) [ 0.284681] ftrace: allocating 25590 entries in 100 pages [ 0.301981] x2apic: IRQ remapping doesn't support X2APIC mode [ 0.308540] Switched APIC routing to physical flat. [ 0.314866] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.331616] smpboot: CPU0: Intel(R) Xeon(R) CPU E7-8890 v3 @ 2.50GHz (fam: 06, model: 3f, stepping: 04) [ 0.342176] Performance Events: PEBS fmt2+, 16-deep LBR, Haswell events, full-width counters, Intel PMU driver. [ 0.353531] ... version: 3 [ 0.358009] ... bit width: 48 [ 0.362576] ... generic registers: 4 [ 0.367056] ... value mask: 0000ffffffffffff [ 0.372992] ... max period: 0000ffffffffffff [ 0.378926] ... fixed-purpose events: 3 [ 0.383404] ... event mask: 000000070000000f [ 0.392352] x86: Booting SMP configuration: [ 0.397027] .... node #0, CPUs: #1 [ 0.423364] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter. [ 0.432694] #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15 #16 #17 [ 0.706722] .... node #1, CPUs: #18 #19 #20 #21 #22 #23 #24 #25 #26 #27 #28 #29 #30 #31 #32 #33 #34 #35 [ 1.094522] .... node #2, CPUs: #36 [ 1.192483] mce: [Hardware Error]: Machine check events logged [ 1.209188] #37 [ 1.209279] BUG: unable to handle kernel [ 1.215830] #38 [ 1.217982] NULL pointer dereference at 0000000000000008 [ 1.223925] IP: [<ffffffff810980a1>] process_one_work+0x31/0x420 [ 1.225696] #39PGD 0 [ 1.233428] Oops: 0000 [#1] SMP [ 1.237059] Modules linked in: [ 1.240486] CPU: 36 PID: 263 Comm: kworker/36:0 Not tainted 4.1.0-rc8 #1 [ 1.247969] #40 [ 1.247969] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BRHSXSD1.86B.0065.R01.1505011640 05/01/2015 [ 1.261708] #41 [ 1.261711] task: ffff88181c284470 ti: ffff88181bd94000 task.ti: ffff88181bd94000 [ 1.272235] RIP: 0010:[<ffffffff810980a1>] [ 1.275305] #42 [<ffffffff810980a1>] process_one_work+0x31/0x420 [ 1.283854] RSP: 0000:ffff88181bd97e08 EFLAGS: 00010046 [ 1.289799] RAX: 0000000fffffffe0 RBX: ffffffff81d0fa20 RCX: 0000000000000000 [ 1.297780] #43 [ 1.297780] RDX: 0000000fffffff00 RSI: ffffffff81d0fa20 RDI: ffff88181c2660c0 [ 1.307914] RBP: ffff88181bd97e48 R08: ffff88181f416ec0 R09: ffff88181c284470 [ 1.315892] #44 [ 1.315892] R10: 0000000000000002 R11: ffffffff8109e5ac R12: ffff88181c2660c0 [ 1.326023] #45 [ 1.326024] R13: ffff88181f416ec0 R14: 0000000000000000 R15: ffff88181c2660f0 [ 1.336151] FS: 0000000000000000(0000) GS:ffff88181f400000(0000) knlGS:0000000000000000 [ 1.345207] #46 [ 1.345209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.353782] CR2: 00000000000000b8 CR3: 00000000019ca000 CR4: 00000000001406e0 [ 1.361764] #47 [ 1.361765] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1.371900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1.379879] #48 [ 1.379879] Stack: [ 1.384277] 0000000000000282 00000000bce8578f ffff88181f416f50 ffff88181c2660c0[ 1.390883] #49 [ 1.394749] ffff88181f416ed8 ffff88181f416ec0 ffff88181c284470 ffff88181c2660f0 [ 1.403058] ffff88181bd97eb8 ffffffff81098982[ 1.407588] #50 ffff88181f4171a0 ffff88181f416ed8 [ 1.413538] Call Trace: [ 1.416274] [<ffffffff81098982>] worker_thread+0x112/0x520 [ 1.422518] [<ffffffff81098870>] ? rescuer_thread+0x3e0/0x3e0 [ 1.429048] #51 [ 1.429048] [<ffffffff8109e6d8>] kthread+0xd8/0xf0 [ 1.436650] [<ffffffff8109e600>] ? kthread_create_on_node+0x1b0/0x1b0 [ 1.443964] #52 [ 1.443966] [<ffffffff816a0322>] ret_from_fork+0x42/0x70 [ 1.452164] [<ffffffff8109e600>] ? kthread_create_on_node+0x1b0/0x1b0 [ 1.459469] #53 [ 1.459471] Code: 48 89 e5 41 57 41 56 45 31 f6 41 55 41 54 49 89 fc 53 48 89 f3 48 83 ec 18 48 8b 06 4c 8b 6f 48 48 89 [ 1.473959] [ 1.473959] .... node #3, CPUs: #54 c2 30 d2 a8 04 4c 0f 45 f2 <49> 8b 46 08 44 8b b8 00 01 00 00 41 c1 ef 05 44 89 f8 83 e0 01 [ 1.489433] RIP [<ffffffff810980a1>] process_one_work+0x31/0x420 [ 1.496261] RSP <ffff88181bd97e08> [ 1.500160] CR2: 0000000000000008 [ 1.503872] ---[ end trace 8229a011b97532a0 ]--- [ 1.509027] Kernel panic - not syncing: Fatal exception [ 1.514890] ---[ end Kernel panic - not syncing: Fatal exception -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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