From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6850285735648831565==" MIME-Version: 1.0 From: Jiang Liu To: lkp@lists.01.org Subject: Re: [PCI, x86] 991de2e590: EIP is at _raw_spin_unlock_irqrestore Date: Fri, 28 Aug 2015 14:39:05 +0800 Message-ID: <55E00209.8070309@linux.intel.com> In-Reply-To: <55dc7248.iKNpNImVAd4pyJum%fengguang.wu@intel.com> List-Id: --===============6850285735648831565== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 2015/8/25 21:48, kernel test robot wrote: > Greetings, > = > 0day kernel testing robot got the below dmesg and the first bad commit is > = > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > = > commit 991de2e59090e55c65a7f59a049142e3c480f7bd > Author: Jiang Liu > AuthorDate: Wed Jun 10 16:54:59 2015 +0800 > Commit: Bjorn Helgaas > CommitDate: Thu Jul 30 14:05:57 2015 -0500 > = > PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq() > = > To support IOAPIC hotplug, we need to allocate PCI IRQ resources on d= emand > and free them when not used anymore. > = > Implement pcibios_alloc_irq() and pcibios_free_irq() to dynamically > allocate and free PCI IRQs. > = > Remove mp_should_keep_irq(), which is no longer used. > = > [bhelgaas: changelog] > Signed-off-by: Jiang Liu > Signed-off-by: Bjorn Helgaas > Acked-by: Thomas Gleixner Hi Fengguang, I have done some investigation about the issue, seems to be some ACPI implementation flaws. Acccording to following log messages, IRQ5, 9, 10, 11 have been overridden as level high. [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b And PCI interrupt link device LNKA/B/C/D/S uses IRQ5/9/10/11, and PCI IRQ should work in level low mode. [ 15.295637] ACPI: PCI Interrupt Link [LNKA] (IRQs [ 15.295637] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 5 *10 *10 11 11)) [ 15.344929] ACPI: PCI Interrupt Link [LNKB] (IRQs [ 15.344929] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 5 *10 *10 11 11)) [ 15.398745] ACPI: PCI Interrupt Link [LNKC] (IRQs [ 15.398745] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 5 10 10 *11 *11)) [ 15.424975] ACPI: PCI Interrupt Link [LNKD] (IRQs [ 15.424975] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 5 10 10 *11 *11)) [ 15.428413] ACPI: PCI Interrupt Link [LNKS] (IRQs [ 15.428413] ACPI: PCI Interrupt Link [LNKS] (IRQs *9 *9)) And then when kernel enables IRQ9, it causes interrupt storm when enabling irq9. [ 17.360637] pciback 0000:00:01.1: irqdomain: alloc irq [ 17.360637] pciback 0000:00:01.1: irqdomain: alloc irq [ 17.363210] pciback 0000:00:01.1: irqdomain: free irq0 [ 17.363210] pciback 0000:00:01.1: irqdomain: free irq0 [ 17.381132] pciback 0000:00:01.3: irqdomain: alloc irq [ 17.381132] pciback 0000:00:01.3: irqdomain: alloc irq [ 18.088161] hrtimer: interrupt took 5374396 ns [ 18.088161] hrtimer: interrupt took 5374396 ns [ 39.475201] ACPI: PCI Interrupt Link [LNKS] enabled at IRQ 9 [ 39.475201] ACPI: PCI Interrupt Link [LNKS] enabled at IRQ 9 [ 39.499858] pciback 0000:00:01.3: irqdomain: free irq9 [ 39.499858] pciback 0000:00:01.3: irqdomain: free irq9 [ 53.945477] pciback 0000:00:02.0: irqdomain: alloc irq [ 53.945477] pciback 0000:00:02.0: irqdomain: alloc irq [ 53.962593] pciback 0000:00:02.0: irqdomain: free irq0 [ 53.962593] pciback 0000:00:02.0: irqdomain: free irq0 [ 53.972670] pciback 0000:00:03.0: irqdomain: alloc irq [ 53.972670] pciback 0000:00:03.0: irqdomain: alloc irq [ 78.736648] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [swapper/0:1] [ 78.736648] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [swapper/0:1] [ 78.760661] irq event stamp: 5457880 [ 78.760661] irq event stamp: 5457880 [ 78.762007] hardirqs last enabled at (5457879): [ 78.762007] hardirqs last enabled at (5457879): [] __slab_alloc+0x2d8/0x9f0 Will keep you update when have more findings. Thanks! Gerry > = > +------------------------------------------------+------------+----------= --+------------+ > | | 890e484758 | 991de2e59= 0 | ccce1c6482 | > +------------------------------------------------+------------+----------= --+------------+ > | boot_successes | 1009 | 682 = | 26 | > | boot_failures | 0 | 228 = | 15 | > | EIP_is_at_lock_is_held | 0 | 4 = | | > | Kernel_panic-not_syncing:softlockup:hung_tasks | 0 | 228 = | 12 | > | backtrace:__pci_register_driver | 0 | 228 = | 12 | > | backtrace:pcistub_init | 0 | 228 = | 12 | > | backtrace:kernel_init_freeable | 0 | 228 = | 12 | > | EIP_is_at_rcu_lockdep_current_cpu_online | 0 | 1 = | | > | EIP_is_at__slab_alloc | 0 | 96 = | 7 | > | EIP_is_at_raw_spin_unlock_irqrestore | 0 | 107 = | 5 | > | EIP_is_at__phys_addr | 0 | 1 = | | > | EIP_is_at_kmem_cache_free | 0 | 6 = | | > | EIP_is_at_lockdep_trace_alloc | 0 | 3 = | | > | EIP_is_at_acpi_ps_parse_loop | 0 | 2 = | | > | EIP_is_at_check_bytes_and_report | 0 | 1 = | | > | EIP_is_at__free_pages | 0 | 1 = | | > | EIP_is_at_ftrace_likely_update | 0 | 1 = | | > | EIP_is_at_acpi_ut_update_object_reference | 0 | 1 = | | > | EIP_is_at_acpi_ps_complete_this_op | 0 | 1 = | | > | EIP_is_at_acpi_ut_push_generic_state | 0 | 1 = | | > | EIP_is_at__slab_free | 0 | 1 = | | > | EIP_is_at_acpi_os_acquire_lock | 0 | 1 = | | > | BUG:kernel_boot_crashed | 0 | 0 = | 1 | > | IP-Config:Auto-configuration_of_network_failed | 0 | 0 = | 2 | > +------------------------------------------------+------------+----------= --+------------+ > = > [ 93.225024] irq event stamp: 24182770 > [ 93.225024] irq event stamp: 24182770 > [ 93.225935] hardirqs last enabled at (24182769): = > [ 93.225935] hardirqs last enabled at (24182769): [] _raw_sp= in_unlock_irqrestore+0x2d/0x90 > [] _raw_spin_unlock_irqrestore+0x2d/0x90 > [ 93.228345] hardirqs last disabled at (24182770): = > [ 93.228345] hardirqs last disabled at (24182770): [] apic_ti= mer_interrupt+0x28/0x34 > [] apic_timer_interrupt+0x28/0x34 > [ 93.250462] softirqs last enabled at (24181726): = > [ 93.250462] softirqs last enabled at (24181726): [] __do_so= ftirq+0x3ca/0x720 > [] __do_softirq+0x3ca/0x720 > [ 93.252371] softirqs last disabled at (24181721): = > [ 93.252371] softirqs last disabled at (24181721): [] do_soft= irq_own_stack+0x24/0x30 > [] do_softirq_own_stack+0x24/0x30 > [ 93.254601] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.2.0-rc2-00002-= g991de2e #1 > [ 93.254601] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.2.0-rc2-00002-= g991de2e #1 > [ 93.256430] task: d0508000 ti: d0502000 task.ti: d0502000 > [ 93.256430] task: d0508000 ti: d0502000 task.ti: d0502000 > [ 93.257864] EIP: 0060:[] EFLAGS: 00000246 CPU: 0 > [ 93.257864] EIP: 0060:[] EFLAGS: 00000246 CPU: 0 > [ 93.259135] EIP is at _raw_spin_unlock_irqrestore+0x4e/0x90 > [ 93.259135] EIP is at _raw_spin_unlock_irqrestore+0x4e/0x90 > [ 93.260542] EAX: 00000246 EBX: d0484600 ECX: 00000000 EDX: 00000000 > [ 93.260542] EAX: 00000246 EBX: d0484600 ECX: 00000000 EDX: 00000000 > [ 93.272202] ESI: 00000246 EDI: 00000001 EBP: d0503c2c ESP: d0503c24 > [ 93.272202] ESI: 00000246 EDI: 00000001 EBP: d0503c2c ESP: d0503c24 > [ 93.273797] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 > [ 93.273797] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 > [ 93.275076] CR0: 8005003b CR2: ffffffff CR3: 01fa7000 CR4: 000006b0 > [ 93.275076] CR0: 8005003b CR2: ffffffff CR3: 01fa7000 CR4: 000006b0 > [ 93.276554] Stack: > [ 93.276554] Stack: > [ 93.277102] cfc00ca8 > [ 93.277102] cfc00ca8 00000002 00000002 d0503c34 d0503c34 c160b5e4 c16= 0b5e4 d0503c4c d0503c4c c162d2fe c162d2fe d04aa5e8 d04aa5e8 cfc00288 cfc002= 88 > = > [ 93.279291] 00000003 > [ 93.279291] 00000003 00000000 00000000 d0503c68 d0503c68 c162d5b8 c16= 2d5b8 c162d524 c162d524 d07e6000 d07e6000 d07d1288 d07d1288 d0503c9c d0503c= 9c > = > [ 93.301331] 00000000 > [ 93.301331] 00000000 d0503c74 d0503c74 c162d688 c162d688 d07e8000 d07= e8000 d0503c8c d0503c8c c161717b c161717b d0731d20 d0731d20 d07e8000 d07e80= 00 > = > [ 93.303287] Call Trace: > [ 93.303287] Call Trace: > [ 93.303931] [] acpi_os_release_lock+0x8/0xa > [ 93.303931] [] acpi_os_release_lock+0x8/0xa > [ 93.305276] [] acpi_ut_update_ref_count+0x42/0x270 > [ 93.305276] [] acpi_ut_update_ref_count+0x42/0x270 > [ 93.306774] [] acpi_ut_update_object_reference+0x8c/0x144 > [ 93.306774] [] acpi_ut_update_object_reference+0x8c/0x144 > [ 93.308359] [] ? acpi_ut_update_ref_count+0x268/0x270 > [ 93.308359] [] ? acpi_ut_update_ref_count+0x268/0x270 > [ 93.330943] [] acpi_ut_add_reference+0x18/0x1b > [ 93.330943] [] acpi_ut_add_reference+0x18/0x1b > [ 93.332316] [] acpi_ds_method_data_get_value+0xcc/0xd8 > [ 93.332316] [] acpi_ds_method_data_get_value+0xcc/0xd8 > [ 93.333917] [] acpi_ex_resolve_to_value+0x6c/0x1bb > [ 93.333917] [] acpi_ex_resolve_to_value+0x6c/0x1bb > [ 93.335313] [] acpi_ex_resolve_operands+0x19d/0x41f > [ 93.335313] [] acpi_ex_resolve_operands+0x19d/0x41f > [ 93.336670] [] acpi_ds_exec_end_op+0xd3/0x37b > [ 93.336670] [] acpi_ds_exec_end_op+0xd3/0x37b > [ 93.337934] [] acpi_ps_parse_loop+0x478/0x4c3 > [ 93.337934] [] acpi_ps_parse_loop+0x478/0x4c3 > [ 93.339192] [] acpi_ps_parse_aml+0x85/0x230 > [ 93.339192] [] acpi_ps_parse_aml+0x85/0x230 > [ 93.350455] [] acpi_ps_execute_method+0x18a/0x220 > [ 93.350455] [] acpi_ps_execute_method+0x18a/0x220 > [ 93.360873] [] acpi_ns_evaluate+0x185/0x1ff > [ 93.360873] [] acpi_ns_evaluate+0x185/0x1ff > [ 93.362098] [] acpi_ut_evaluate_object+0x79/0x175 > [ 93.362098] [] acpi_ut_evaluate_object+0x79/0x175 > [ 93.363405] [] acpi_rs_get_prt_method_data+0x1a/0x3a > [ 93.363405] [] acpi_rs_get_prt_method_data+0x1a/0x3a > [ 93.364840] [] acpi_get_irq_routing_table+0x1d/0x21 > [ 93.364840] [] acpi_get_irq_routing_table+0x1d/0x21 > [ 93.366222] [] acpi_pci_irq_find_prt_entry+0x73/0x173 > [ 93.366222] [] acpi_pci_irq_find_prt_entry+0x73/0x173 > [ 93.367693] [] acpi_pci_irq_lookup+0x1d/0x11c > [ 93.367693] [] acpi_pci_irq_lookup+0x1d/0x11c > [ 93.368950] [] acpi_pci_irq_disable+0x27/0x68 > [ 93.368950] [] acpi_pci_irq_disable+0x27/0x68 > [ 93.391267] [] pcibios_free_irq+0xf/0x20 > [ 93.391267] [] pcibios_free_irq+0xf/0x20 > [ 93.392433] [] pci_device_probe+0xca/0x100 > [ 93.392433] [] pci_device_probe+0xca/0x100 > [ 93.393619] [] ? sysfs_create_link+0x20/0x40 > [ 93.393619] [] ? sysfs_create_link+0x20/0x40 > [ 93.394856] [] driver_probe_device+0x135/0x2d0 > [ 93.394856] [] driver_probe_device+0x135/0x2d0 > [ 93.396114] [] ? pci_match_device+0x21/0x100 > [ 93.396114] [] ? pci_match_device+0x21/0x100 > [ 93.397361] [] __driver_attach+0x91/0xa0 > [ 93.397361] [] __driver_attach+0x91/0xa0 > [ 93.398490] [] ? driver_probe_device+0x2d0/0x2d0 > [ 93.398490] [] ? driver_probe_device+0x2d0/0x2d0 > [ 93.399826] [] bus_for_each_dev+0x4f/0x80 > [ 93.399826] [] bus_for_each_dev+0x4f/0x80 > [ 93.420048] [] driver_attach+0x19/0x20 > [ 93.420048] [] driver_attach+0x19/0x20 > [ 93.421164] [] ? driver_probe_device+0x2d0/0x2d0 > [ 93.421164] [] ? driver_probe_device+0x2d0/0x2d0 > [ 93.422470] [] bus_add_driver+0x197/0x210 > [ 93.422470] [] bus_add_driver+0x197/0x210 > [ 93.423619] [] driver_register+0x6b/0xf0 > [ 93.423619] [] driver_register+0x6b/0xf0 > [ 93.424786] [] ? platform_pci_module_init+0x16/0x16 > [ 93.424786] [] ? platform_pci_module_init+0x16/0x16 > [ 93.426157] [] __pci_register_driver+0x45/0x50 > [ 93.426157] [] __pci_register_driver+0x45/0x50 > [ 93.427402] [] pcistub_init+0x23/0x243 > [ 93.427402] [] pcistub_init+0x23/0x243 > [ 93.428557] [] ? kfree+0x3e2/0x460 > [ 93.428557] [] ? kfree+0x3e2/0x460 > [ 93.429560] [] ? do_one_initcall+0x77/0x177 > [ 93.429560] [] ? do_one_initcall+0x77/0x177 > [ 93.441915] [] ? do_one_initcall+0x77/0x177 > [ 93.441915] [] ? do_one_initcall+0x77/0x177 > [ 93.443223] [] ? platform_pci_module_init+0x16/0x16 > [ 93.443223] [] ? platform_pci_module_init+0x16/0x16 > [ 93.451777] [] do_one_initcall+0xd0/0x177 > [ 93.451777] [] do_one_initcall+0xd0/0x177 > [ 93.456115] [] ? kernel_init_freeable+0x198/0x235 > [ 93.456115] [] ? kernel_init_freeable+0x198/0x235 > [ 93.457441] [] kernel_init_freeable+0x1b8/0x235 > [ 93.457441] [] kernel_init_freeable+0x1b8/0x235 > [ 93.461852] [] kernel_init+0xb/0xe0 > [ 93.461852] [] kernel_init+0xb/0xe0 > [ 93.468044] [] ret_from_kernel_thread+0x21/0x30 > [ 93.468044] [] ret_from_kernel_thread+0x21/0x30 > [ 93.469464] [] ? rest_init+0x120/0x120 > [ 93.469464] [] ? rest_init+0x120/0x120 > [ 93.470690] Code: > [ 93.470690] Code: 02 02 00 00 00 00 74 74 38 38 e8 e8 73 73 ac ac 7b 7= b ff ff a1 a1 78 78 6d 6d ca ca c1 c1 85 85 c0 c0 b8 b8 1c 1c 91 91 d7 d7 c= 1 c1 0f 0f 94 94 c3 c3 31 31 c9 c9 0f 0f b6 b6 d3 d3 e8 e8 1a 1a 31 31 83 8= 3 ff ff 84 84 db db 75 75 43 43 89 89 f0 f0 50 50 9d 9d <8d> <8d> 74 74 26 = 26 00 00 5b 5b 64 64 ff ff 0d 0d c4 c4 41 41 e5 e5 c1 c1 5e 5e 5d 5d c3 c3 = 8d 8d 76 76 00 00 8b 8b 15 15 78 78 > = > [ 93.494087] Kernel panic - not syncing: softlockup: hung tasks > [ 93.494087] Kernel panic - not syncing: softlockup: hung tasks > [ 93.495567] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G L 4.= 2.0-rc2-00002-g991de2e #1 > [ 93.495567] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G L 4.= 2.0-rc2-00002-g991de2e #1 > [ 93.497762] 00000016 > [ 93.497762] 00000016 00000000 00000000 d0503af0 d0503af0 c1917c51 c19= 17c51 d0c30200 d0c30200 d0503b08 d0503b08 c19119c8 c19119c8 00000016 000000= 16 > = > [ 93.519979] d0c30201 > [ 93.519979] d0c30201 00000016 00000016 00000040 00000040 d0503b3c d05= 03b3c c113fd11 c113fd11 c1bb2ef4 c1bb2ef4 00000000 00000000 00000016 000000= 16 > = > [ 93.522114] d05083e4 > [ 93.522114] d05083e4 00000001 00000001 d0503be8 d0503be8 00000000 000= 00000 00000040 00000040 d0c2fd01 d0c2fd01 00000000 00000000 d0c30200 d0c302= 00 > = > [ 93.524249] Call Trace: > [ 93.524249] Call Trace: > [ 93.524885] [] dump_stack+0x48/0x60 > [ 93.524885] [] dump_stack+0x48/0x60 > [ 93.526027] [] panic+0xa0/0x1c5 > [ 93.526027] [] panic+0xa0/0x1c5 > [ 93.527083] [] watchdog_timer_fn+0x231/0x240 > [ 93.527083] [] watchdog_timer_fn+0x231/0x240 > [ 93.528413] [] __hrtimer_run_queues+0x17d/0x860 > [ 93.528413] [] __hrtimer_run_queues+0x17d/0x860 > [ 93.549840] [] ? watchdog+0x40/0x40 > [ 93.549840] [] ? watchdog+0x40/0x40 > [ 93.551023] [] hrtimer_interrupt+0xa1/0x1b0 > [ 93.551023] [] hrtimer_interrupt+0xa1/0x1b0 > [ 93.552333] [] ? rcu_irq_enter+0x147/0x320 > [ 93.552333] [] ? rcu_irq_enter+0x147/0x320 > [ 93.553621] [] local_apic_timer_interrupt+0x2e/0x60 > [ 93.553621] [] local_apic_timer_interrupt+0x2e/0x60 > [ 93.555096] [] smp_apic_timer_interrupt+0x2e/0x50 > [ 93.555096] [] smp_apic_timer_interrupt+0x2e/0x50 > [ 93.556512] [] apic_timer_interrupt+0x2f/0x34 > [ 93.556512] [] apic_timer_interrupt+0x2f/0x34 > [ 93.557902] [] ? _raw_spin_unlock_irqrestore+0x4e/0x90 > [ 93.557902] [] ? _raw_spin_unlock_irqrestore+0x4e/0x90 > [ 93.559427] [] acpi_os_release_lock+0x8/0xa > [ 93.559427] [] acpi_os_release_lock+0x8/0xa > [ 93.580750] [] acpi_ut_update_ref_count+0x42/0x270 > [ 93.580750] [] acpi_ut_update_ref_count+0x42/0x270 > [ 93.582206] [] acpi_ut_update_object_reference+0x8c/0x144 > [ 93.582206] [] acpi_ut_update_object_reference+0x8c/0x144 > [ 93.583787] [] ? acpi_ut_update_ref_count+0x268/0x270 > [ 93.583787] [] ? acpi_ut_update_ref_count+0x268/0x270 > [ 93.585303] [] acpi_ut_add_reference+0x18/0x1b > [ 93.585303] [] acpi_ut_add_reference+0x18/0x1b > [ 93.586644] [] acpi_ds_method_data_get_value+0xcc/0xd8 > [ 93.586644] [] acpi_ds_method_data_get_value+0xcc/0xd8 > [ 93.588195] [] acpi_ex_resolve_to_value+0x6c/0x1bb > [ 93.588195] [] acpi_ex_resolve_to_value+0x6c/0x1bb > [ 93.589635] [] acpi_ex_resolve_operands+0x19d/0x41f > [ 93.589635] [] acpi_ex_resolve_operands+0x19d/0x41f > [ 93.602078] [] acpi_ds_exec_end_op+0xd3/0x37b > [ 93.602078] [] acpi_ds_exec_end_op+0xd3/0x37b > [ 93.603348] [] acpi_ps_parse_loop+0x478/0x4c3 > [ 93.603348] [] acpi_ps_parse_loop+0x478/0x4c3 > [ 93.604603] [] acpi_ps_parse_aml+0x85/0x230 > [ 93.604603] [] acpi_ps_parse_aml+0x85/0x230 > [ 93.605814] [] acpi_ps_execute_method+0x18a/0x220 > [ 93.605814] [] acpi_ps_execute_method+0x18a/0x220 > [ 93.607137] [] acpi_ns_evaluate+0x185/0x1ff > [ 93.607137] [] acpi_ns_evaluate+0x185/0x1ff > [ 93.608338] [] acpi_ut_evaluate_object+0x79/0x175 > [ 93.608338] [] acpi_ut_evaluate_object+0x79/0x175 > [ 93.609660] [] acpi_rs_get_prt_method_data+0x1a/0x3a > [ 93.609660] [] acpi_rs_get_prt_method_data+0x1a/0x3a > = > git bisect start ccce1c6482a6b7d65dbcc3b5a19f75b21593084d c13dcf9f2d6f5f0= 6ef1bf79ec456df614c5e058b -- > git bisect bad 2d8122fc32cc4a851d314cf12ee26a305b16a423 # 08:28 0-= 67 Merge 'omap-dss2/for-next' into devel-spot-201508242215 > git bisect bad a992f0007c196a9b34abb2c36e7ff74705e6cd97 # 08:28 0-= 492 Merge 'hid/for-4.3/upstream' into devel-spot-201508242215 > git bisect good 27fcb4e74ef3616949d7bc368beccfae56059a8c # 09:49 903+= 25 Merge 'block/for-next' into devel-spot-201508242215 > git bisect good 5a9338b97096963d071ac2ffcaa8329e027bd6a3 # 11:08 910+= 8 Merge 'pci/pci/misc' into devel-spot-201508242215 > git bisect bad 7585be060dc998dbb71d4a100e62aea5d6995b56 # 11:20 7-= 12 Merge 'pci/next' into devel-spot-201508242215 > git bisect good faf512cd1c5d1b8d6ee13f48915e099469313d3f # 12:50 907+= 97 Merge 'hch-pmem/nvdimm-no-pfn' into devel-spot-201508242215 > git bisect good 3bd2e6fa9c4857054f6dbaedccd9d10ed79ac713 # 14:12 910+= 40 Merge 'hch-pmem/dma-mapping-cleanups-post' into devel-spot-2015082= 42215 > git bisect good 8faae0b69e773695066c21829f261199eb35613b # 15:28 910+= 125 Merge 'krzk/track/kgene-for-next' into devel-spot-201508242215 > git bisect good 24b390aad2930b889b6e15fc7cf7bfa7c99fad21 # 16:48 910+= 0 PCI: Remove unused "pci_probe" flags > git bisect good cd66d5c3df7c96cbf75010b964b94032ceca8889 # 18:11 910+= 1 Merge branches 'pci/host-designware', 'pci/host-xgene' and 'pci/ho= st-xilinx' into next > git bisect bad 5f2269916b0e509f2926346b58209abfa8316143 # 18:27 111-= 8 PCI/MSI: Free legacy IRQ when enabling MSI/MSI-X > git bisect bad 991de2e59090e55c65a7f59a049142e3c480f7bd # 18:34 11-= 17 PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq() > git bisect good 890e4847587fcff5eb0438e90992ad7d2a261f33 # 19:54 910+= 0 PCI: Add pcibios_alloc_irq() and pcibios_free_irq() > # first bad commit: [991de2e59090e55c65a7f59a049142e3c480f7bd] PCI, x86: = Implement pcibios_alloc_irq() and pcibios_free_irq() > git bisect good 890e4847587fcff5eb0438e90992ad7d2a261f33 # 20:00 1005+= 0 PCI: Add pcibios_alloc_irq() and pcibios_free_irq() > # extra tests with DEBUG_INFO > git bisect bad 991de2e59090e55c65a7f59a049142e3c480f7bd # 20:21 124-= 6 PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq() > # extra tests on HEAD of linux-devel/devel-spot-201508242215 > git bisect bad ccce1c6482a6b7d65dbcc3b5a19f75b21593084d # 20:21 0-= 15 0day head guard for 'devel-spot-201508242215' > # extra tests on tree/branch linux-next/master > # extra tests on tree/branch linus/master > git bisect good c13dcf9f2d6f5f06ef1bf79ec456df614c5e058b # 21:45 1010+= 11 Linux 4.2-rc8 > # extra tests on tree/branch linux-next/master > = > = > This script may reproduce the error. > = > -------------------------------------------------------------------------= --- > #!/bin/bash > = > kernel=3D$1 > = > kvm=3D( > qemu-system-x86_64 > -enable-kvm > -cpu kvm64 > -kernel $kernel > -m 300 > -smp 2 > -device e1000,netdev=3Dnet0 > -netdev user,id=3Dnet0 > -boot order=3Dnc > -no-reboot > -watchdog i6300esb > -rtc base=3Dlocaltime > -serial stdio > -display none > -monitor null = > ) > = > append=3D( > hung_task_panic=3D1 > earlyprintk=3DttyS0,115200 > systemd.log_level=3Derr > debug > apic=3Ddebug > sysrq_always_enabled > rcupdate.rcu_cpu_stall_timeout=3D100 > panic=3D-1 > softlockup_panic=3D1 > nmi_watchdog=3Dpanic > oops=3Dpanic > load_ramdisk=3D2 > prompt_ramdisk=3D0 > console=3DttyS0,115200 > console=3Dtty0 > vga=3Dnormal > root=3D/dev/ram0 > rw > drbd.minor_count=3D8 > ) > = > "${kvm[@]}" --append "${append[*]}" > -------------------------------------------------------------------------= --- > = > --- > 0-DAY kernel test infrastructure Open Source Technology Ce= nter > https://lists.01.org/pipermail/lkp Intel Corpora= tion >=20 --===============6850285735648831565==--