Hi Will, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git irq commit f6a4fe388d2fcb57eb0d9ea58342a8d46f70c57d ("irq: allow percpu_devid interrupts to be requested with target mask") +---------------------------------------------------------+-----------+------------+ | | v3.17-rc1 | f6a4fe388d | +---------------------------------------------------------+-----------+------------+ | boot_successes | 367 | 0 | | boot_failures | 2 | 15 | | BUG:kernel_test_crashed | 1 | | | WARNING:CPU:PID:at_mm/early_ioremap.c:__early_ioremap() | 1 | 10 | | backtrace:acpi_initialize_tables | 1 | 10 | | backtrace:acpi_table_init | 1 | 10 | | backtrace:acpi_boot_table_init | 1 | 10 | | BUG:unable_to_handle_kernel_NULL_pointer_dereference | 0 | 5 | | Oops | 0 | 5 | | RIP:__bitmap_intersects | 0 | 5 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 5 | | backtrace:pcie_port_service_register | 0 | 5 | | backtrace:pcie_pme_service_init | 0 | 5 | | backtrace:kernel_init_freeable | 0 | 5 | +---------------------------------------------------------+-----------+------------+ [ 9.185399] aer 0000:00:02.0:pcie02: service driver aer loaded [ 9.191430] aer 0000:00:03.0:pcie02: service driver aer loaded [ 9.197460] aer 0000:00:04.0:pcie02: service driver aer loaded [ 9.203486] BUG: unable to handle kernel NULL pointer dereference at (null) [ 9.211673] IP: [] __bitmap_intersects+0x49/0x80 [ 9.218069] PGD 0 [ 9.220288] Oops: 0000 [#1] SMP [ 9.223809] Modules linked in: [ 9.227078] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.17.0-rc1-00898-g9426769 #1 [ 9.234842] Hardware name: To be filled by O.E.M. To be filled by O.E.M./Double Cove , BIOS BWDEXT.86B.000.012.D127 10/08/2012 [ 9.246432] task: ffff880234180000 ti: ffff88023417c000 task.ti: ffff88023417c000 [ 9.254109] RIP: 0010:[] [] __bitmap_intersects+0x49/0x80 [ 9.263001] RSP: 0000:ffff88023417fc18 EFLAGS: 00010002 [ 9.268444] RAX: 0000000000000000 RBX: ffff880222b49a00 RCX: 0000000000000004 [ 9.275716] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffff880222bac800 [ 9.282989] RBP: ffff88023417fc18 R08: 0000000000000246 R09: 0000000000000000 [ 9.290258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 9.297523] R13: 0000000000000018 R14: ffff8800b1de7900 R15: ffff880222b49200 [ 9.304796] FS: 0000000000000000(0000) GS:ffff88023fd00000(0000) knlGS:0000000000000000 [ 9.313080] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 9.318956] CR2: 0000000000000000 CR3: 0000000001c2c000 CR4: 00000000000007e0 [ 9.326228] Stack: [ 9.328369] ffff88023417fc68 ffffffff810c6117 0000000000000246 ffff8800b1de798c [ 9.336299] ffff880222bac800 ffffffff8142eab0 0000000000000080 0000000000000018 [ 9.344211] ffff880225d83800 ffff8800b1de7900 ffff88023417fcb0 ffffffff810c65bc [ 9.352124] Call Trace: [ 9.354707] [] __setup_irq+0x297/0x5e0 [ 9.360250] [] ? pcie_pme_probe+0x1c0/0x1c0 [ 9.366222] [] request_threaded_irq+0xcc/0x170 [ 9.372453] [] pcie_pme_probe+0x9c/0x1c0 [ 9.378164] [] pcie_port_probe_service+0x32/0x80 [ 9.384572] [] driver_probe_device+0x90/0x3c0 [ 9.390714] [] __driver_attach+0x93/0xa0 [ 9.396424] [] ? __device_attach+0x40/0x40 [ 9.402302] [] bus_for_each_dev+0x63/0xa0 [ 9.408101] [] driver_attach+0x1e/0x20 [ 9.413630] [] bus_add_driver+0x180/0x250 [ 9.419429] [] ? pcie_pme_setup+0x27/0x27 [ 9.425225] [] driver_register+0x64/0xf0 [ 9.430931] [] pcie_port_service_register+0x46/0x50 [ 9.437594] [] pcie_pme_service_init+0x10/0x12 [ 9.443827] [] do_one_initcall+0xbc/0x1f0 [ 9.449626] [] ? parse_args+0x235/0x450 [ 9.455252] [] kernel_init_freeable+0x1a0/0x22b [ 9.461567] [] ? initcall_blacklist+0xb0/0xb0 [ 9.467707] [] ? rest_init+0x90/0x90 [ 9.473068] [] kernel_init+0xe/0xf0 [ 9.478341] [] ret_from_fork+0x7c/0xb0 [ 9.483877] [] ? rest_init+0x90/0x90 [ 9.489230] Code: 14 90 4c 8b 44 06 08 4c 23 44 07 08 48 83 c0 08 4d 85 c0 75 35 41 83 c1 01 45 39 d1 75 e4 89 d1 31 c0 83 e1 3f 74 1d 4a 8b 04 cf <4a> 23 04 ce be 01 00 00 00 48 d3 e6 48 83 ee 01 48 85 f0 0f 95 [ 9.513695] RIP [] __bitmap_intersects+0x49/0x80 [ 9.520180] RSP [ 9.523804] CR2: 0000000000000000 [ 9.527265] ---[ end trace 2b176a518018b253 ]--- [ 9.532011] Kernel panic - not syncing: Fatal exception Thanks, Fengguang