On Tuesday, 10 January 2017 10:46:50 EET Tomi Sarvela wrote: > On Monday, 9 January 2017 23:28:32 EET Rafael J. Wysocki wrote: > > On Mon, Jan 9, 2017 at 11:07 PM, Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote: > > > On Mon, Jan 9, 2017 at 5:01 PM, Tomi Sarvela <tomi.p.sarvela@xxxxxxxxx> wrote: > > >> We have couple of Iron Lake machines here, and one started > > >> hanging around Christmas in early boot on ACPI initialization. > > >> Dmesg below, full dmesgs available on request. > > >> > > >> Exact model of the machine is HP Compaq 8100 Elite Small Form > > >> Factor PC. BIOS update from 2010 to 2011 (newest) didn't change > > >> anything. HP Elite laptop (ILK m540) or Dell SFF PC (ILK 650) > > >> don't have this particular problem. > > >> > > >> I've bisected the problem to the following commit: > > >> > > >> ---- > > >> commit 174cc7187e6f088942c8e74daa7baff7b44b33c9 > > >> Author: Lv Zheng <lv.zheng@xxxxxxxxx> > > >> Date: Wed Dec 14 15:04:25 2016 +0800 > > >> > > >> ACPICA: Tables: Back port acpi_get_table_with_size() and > > >> early_acpi_os_unmap_memory() from Linux kernel > > >> > > >> ACPICA commit cac6790954d4d752a083e6122220b8a22febcd07 > > >> > > >> ---- > > > > > > Thanks for the report! > > > > > > Does this patch make any difference: > > > https://patchwork.kernel.org/patch/9504277/ ? > > > > Please also check this alternative patch from Paul: > > > > https://patchwork.kernel.org/patch/9506033/ > > I've tested both patches on top of latest kernel head (separate > tries, to make it clear). > > Neither patch does any difference. In both cases kernel still hangs > to the same spot in boot, and 5sec powerbutton or AC reboot is > needed. This might help: there is dump after a while. I've been too hasty to reboot the machine to see this before. Best regards, Tomi Sarvela [ 0.854462] ACPI: Added _OSI(Module Device) [ 0.858701] ACPI: Added _OSI(Processor Device) [ 0.863197] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.867952] ACPI: Added _OSI(Processor Aggregator Device) [ 0.893684] ACPI: Dynamic OEM Table Load: [ 0.897758] ACPI: SSDT 0xFFFF8802122EBA78 0003BA (v01 COMPAQ CPU_TM2 00000001 MSFT 0100000E) [ 247.066214] INFO: task swapper/0:1 blocked for more than 120 seconds. [ 247.072707] Not tainted 4.10.0-rc2-gfxbench+ #1 [ 247.077809] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.085731] swapper/0 D 0 1 0 0x00000000 [ 247.091271] Call Trace: [ 247.093774] ? __schedule+0x2c9/0xa60 [ 247.097489] schedule+0x3b/0x90 [ 247.100685] schedule_timeout+0x25b/0x4c0 [ 247.104750] ? debug_smp_processor_id+0x17/0x20 [ 247.109334] ? set_track+0x88/0x120 [ 247.112878] ? trace_hardirqs_on_caller+0x122/0x1b0 [ 247.117808] __down_timeout+0x81/0xd0 [ 247.121523] down_timeout+0x47/0x50 [ 247.125065] acpi_os_wait_semaphore+0x47/0x62 [ 247.129475] acpi_ut_acquire_mutex+0x43/0x81 [ 247.133798] acpi_get_table+0x2d/0x84 [ 247.137513] acpi_table_attr_init+0xcd/0x100 [ 247.141834] ? acpi_sysfs_table_handler+0x3e/0xb8 [ 247.146590] acpi_sysfs_table_handler+0x5d/0xb8 [ 247.151174] acpi_bus_table_handler+0x23/0x2a [ 247.155583] acpi_tb_install_standard_table+0xe0/0x213 [ 247.160773] ? down_timeout+0x32/0x50 [ 247.164489] acpi_tb_install_and_load_table+0x3a/0x82 [ 247.169592] acpi_ex_load_op+0x194/0x201 [ 247.173568] ? acpi_ex_resolve_operands+0x207/0x4dc [ 247.178497] acpi_ex_opcode_1A_1T_0R+0x25/0x46 [ 247.182993] acpi_ds_exec_end_op+0xc8/0x3df [ 247.187229] acpi_ps_parse_loop+0x50e/0x560 [ 247.191465] acpi_ps_parse_aml+0x93/0x276 [ 247.195526] acpi_ps_execute_method+0x146/0x181 [ 247.200108] acpi_ns_evaluate+0x1bb/0x247 [ 247.204170] acpi_evaluate_object+0x178/0x274 [ 247.208581] ? acpi_processor_set_pdc+0x88/0x17b [ 247.213249] acpi_processor_set_pdc+0x154/0x17b [ 247.217833] early_init_pdc+0x9a/0xa3 [ 247.221548] ? up+0x2d/0x50 [ 247.224395] acpi_ns_walk_namespace+0xdc/0x18e [ 247.228891] ? set_no_mwait+0x23/0x23 [ 247.232606] ? set_no_mwait+0x23/0x23 [ 247.236321] acpi_walk_namespace+0x97/0xcb [ 247.240471] ? acpi_sleep_proc_init+0x28/0x28 [ 247.244880] ? rest_init+0x130/0x130 [ 247.248507] acpi_early_processor_set_pdc+0x30/0x4a [ 247.253436] acpi_init+0x19f/0x315 [ 247.256891] do_one_initcall+0x3f/0x170 [ 247.260781] kernel_init_freeable+0x11d/0x1a3 [ 247.265191] ? rest_init+0x130/0x130 [ 247.268822] kernel_init+0x9/0x100 [ 247.272276] ret_from_fork+0x27/0x40 [ 247.275904] [ 247.275904] Showing all locks held in the system: [ 247.282179] 2 locks held by khungtaskd/34: [ 247.286326] #0: (rcu_read_lock){......}, at: [<ffffffff811332cc>] watchdog+0x9c/0x600 [ 247.294423] #1: (tasklist_lock){.+.+..}, at: [<ffffffff810dae1d>] debug_show_all_locks+0x3d/0x1a0 [ 247.303562] [ 247.305105] ============================================= [ 247.305105] -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
