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Message-ID: <CACAwPwb5_OcteXTLvBjMcXbwnaXRDRsFycATpq26G0cQ2UJO3w@mail.gmail.com>
Date: Fri, 6 Mar 2015 15:52:59 +0200
From: Maxim Levitsky <maximlevitsky@...il.com>
To: linux-rdma@...r.kernel.org
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: Mellanox Technologies MT23108 causes #MC exceptions under heavy load
False alarm, had exactly the same failure with infiniband disabled.
Best regards,
Maxim Levitsky
On Fri, Mar 6, 2015 at 5:35 AM, Maxim Levitsky <maximlevitsky@...il.com> wrote:
> We are running CPU and network heavy test on marmot.pdl.cmu.edu cluster.
> It has Mellanox Technologies MT23108 InfiniHost controller.
>
> When we start using it for network communications, after just few
> minutes some of the nodes of the cluster die
> with the following machine check exception.
> I repeated this test with Ethernet few times and had not an single
> failure so far (I thought to had one but it turned to be another
> unrelated issue)
>
> It happened already on most nodes of this 128 node cluster, thus I
> expect this to be kernel bug.
> Do you have any pointers what we could try?
>
> I compiled and tested current HEAD of the vanilla kernel
> (99aedde0869ce194539166ac5a4d2e1a20995348)
> 4.0.0-rc2
> but this happens even on 2.6.38 (which was in one of
> their stock kernel images).
>
> Best regards,
> Maxim Levitsky
>
> The kernel log of failure captured via serial console:
>
> [ 297.575167] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 564.704428] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 951.619320] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 956.790789] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 957.301036] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 957.333938] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 957.924656] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 958.125879] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 958.147588] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 958.485607] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 959.050155] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 959.120109] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 960.048666] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 960.110928] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 960.754363] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 961.390093] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 972.199782] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 972.496511] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 983.078444] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 983.618178] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 991.365565] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 1003.344498] ib0: can't use GFP_NOIO for QPs on device mthca0, using
> GFP_KERNEL
> [ 1013.748036] Disabling lock debugging due to kernel taint
> [ 1013.747903] [Hardware Error]: System Fatal error.
> [ 1013.747903] [Hardware Error]: CPU:0 (f:5:1)
> MC4_STATUS[-|UE|-|PCC|-]: 0xb200000000070f0f
> [ 1013.747903] [Hardware Error]: MC4 Error (node 0): Watchdog timeout
> due to lack of progress.
> [ 1013.747903] [Hardware Error]: cache level: L3/GEN, mem/io: GEN,
> mem-tx: GEN, part-proc: GEN (timed out)
> [ 1013.747903] mce: [Hardware Error]: CPU 0: Machine Check Exception:
> 4 Bank 4: b200000000070f0f
> [ 1013.747903] mce: [Hardware Error]: TSC 1a2dcecb6b8
> [ 1013.747903] mce: [Hardware Error]: PROCESSOR 2:f51 TIME 1425610753
> SOCKET 0 APIC 0 microcode 0
> [ 1013.747903] [Hardware Error]: System Fatal error.
> [ 1013.747903] [Hardware Error]: CPU:0 (f:5:1)
> MC4_STATUS[-|UE|-|PCC|-]: 0xb200000000070f0f
> [ 1013.747903] [Hardware Error]: MC4 Error (node 0): Watchdog timeout
> due to lack of progress.
> [ 1013.747903] [Hardware Error]: cache level: L3/GEN, mem/io: GEN,
> mem-tx: GEN, part-proc: GEN (timed out)
> [ 1013.747903] mce: [Hardware Error]: Machine check: Processor context corrupt
> [ 1013.747903] Kernel panic - not syncing: Fatal machine check on current CPU
> [ 1013.748036] [Hardware Error]: System Fatal error.
> [ 1013.748036] [Hardware Error]: CPU:1 (f:5:1)
> MC4_STATUS[-|UE|-|PCC|-]: 0xb200000000070f0f
> [ 1013.748036] [Hardware Error]: MC4 Error (node 1): Watchdog timeout
> due to lack of progress.
> [ 1013.748036] [Hardware Error]: cache level: L3/GEN, mem/io: GEN,
> mem-tx: GEN, part-proc: GEN (timed out)
> [ 1013.747903] Kernel Offset: disabled
> [ 1013.747903] ---[ end Kernel panic - not syncing: Fatal machine
> check on current CPU
> [ 1019.239423] ------------[ cut here ]------------
> [ 1019.244144] WARNING: CPU: 0 PID: 13875 at arch/x86/kernel/smp.c:124
> native_smp_send_reschedule+0x5f/0x70()
> [ 1019.249416] Modules linked in: ib_ipoib ib_cm ib_sa nfsv2 nfs lockd
> sunrpc grace i2c_piix4 ib_mthca ib_mad ib_core ib_addr shpchp
> amd64_edac_mod i2c_amd756 k8temp amd_rng edac_core edac_mce_amd tg3
> ptp pps_core sata_promise pata_amd
> [ 1019.249416] CPU: 0 PID: 13875 Comm: java Tainted: G M
> 4.0.0-rc2+ #1
> [ 1019.249416] Hardware name: RIOWORKS HDAMA/HDAMA, BIOS V2.17 03/20/2006
> [ 1019.249416] 000000000000007c ffff8801f8409a80 ffffffff815f33ff
> 000000000000007c
> [ 1019.249416] 0000000000000000 ffff8801f8409ac0 ffffffff81055c97
> ffff8801f8413d28
> [ 1019.249416] ffff8803ffc13cc0 0000000000000001 ffff8801f8413cc0
> 0000000000000000
> [ 1019.249416] Call Trace:
> [ 1019.249416] <#MC> [<ffffffff815f33ff>] dump_stack+0x48/0x61
> [ 1019.249416] [<ffffffff81055c97>] warn_slowpath_common+0x97/0xe0
> [ 1019.249416] [<ffffffff81055cfa>] warn_slowpath_null+0x1a/0x20
> [ 1019.249416] [<ffffffff81032aef>] native_smp_send_reschedule+0x5f/0x70
> [ 1019.249416] [<ffffffff8108a24a>] trigger_load_balance+0x15a/0x200
> [ 1019.249416] [<ffffffff8107e038>] scheduler_tick+0x88/0xa0
> [ 1019.249416] [<ffffffff810ac3d1>] update_process_times+0x51/0x70
> [ 1019.249416] [<ffffffff810bb7f0>] tick_sched_handle.clone.11+0x30/0x70
> [ 1019.249416] [<ffffffff810bb92f>] tick_sched_timer+0x4f/0x90
> [ 1019.249416] [<ffffffff810acbdc>] __run_hrtimer+0x6c/0x1b0
> [ 1019.249416] [<ffffffff810bb8e0>] ? tick_nohz_handler+0xb0/0xb0
> [ 1019.249416] [<ffffffff810ad393>] hrtimer_interrupt+0xe3/0x200
> [ 1019.249416] [<ffffffff81035179>] local_apic_timer_interrupt+0x39/0x60
> [ 1019.249416] [<ffffffff815fa355>] smp_apic_timer_interrupt+0x45/0x60
> [ 1019.249416] [<ffffffff815f892a>] apic_timer_interrupt+0x6a/0x70
> [ 1019.249416] [<ffffffff815f3170>] ? panic+0x1b9/0x1fb
> [ 1019.249416] [<ffffffff815f316c>] ? panic+0x1b5/0x1fb
> [ 1019.249416] [<ffffffff815f31f8>] ? printk+0x46/0x48
> [ 1019.249416] [<ffffffff810295cf>] mce_panic+0x24f/0x270
> [ 1019.249416] [<ffffffff8102a687>] do_machine_check+0x767/0xa60
> [ 1019.249416] [<ffffffff815f95d6>] machine_check+0x26/0x50
> [ 1019.249416] [<ffffffffa000b2c5>] ? pdc_interrupt+0x2d5/0x430 [sata_promise]
> [ 1019.249416] <<EOE>> <IRQ> [<ffffffff8109d1a4>]
> handle_irq_event_percpu+0x54/0x1a0
> [ 1019.249416] [<ffffffff8109d332>] handle_irq_event+0x42/0x70
> [ 1019.249416] [<ffffffff8109fcd9>] handle_fasteoi_irq+0x79/0x130
> [ 1019.249416] [<ffffffff81006222>] handle_irq+0x22/0x40
> [ 1019.249416] [<ffffffff815fa25c>] do_IRQ+0x5c/0x110
> [ 1019.249416] [<ffffffff815f85ea>] common_interrupt+0x6a/0x6a
> [ 1019.249416] <EOI> [<ffffffff811d3f57>] ? fsnotify+0xc7/0x340
> [ 1019.249416] [<ffffffff811d40e4>] ? fsnotify+0x254/0x340
> [ 1019.249416] [<ffffffff811968cf>] vfs_write+0x12f/0x1d0
> [ 1019.249416] [<ffffffff81196c16>] SyS_write+0x56/0xd0
> [ 1019.249416] [<ffffffff811da81e>] ? SyS_epoll_wait+0xbe/0xe0
> [ 1019.249416] [<ffffffff815f7b32>] system_call_fastpath+0x12/0x17
> [ 1019.249416] ---[ end trace 3ba0c941409cb2fb ]---
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