From 7cf7673ce68a73cee3213b7ca3aa1b0a492d6e76 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Mon, 2 Jul 2018 16:57:56 +0300 Subject: [PATCH] ICL HACK: usb/icl: Work around ACPI boottime crash Work around the following boot time crash: [ 10.456056] CPU: 1 PID: 220 Comm: systemd-udevd Tainted: G W 4.17.0-rc7-CI-CI_DRM_4040+ #182 [ 10.465828] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS +ICLSFWR1.R00.2204.A00.1805172221 05/17/2018 [ 10.479168] RIP: 0010:acpi_ps_complete_this_op+0xa7/0x22a [ 10.484627] RSP: 0018:ffffc900003a7578 EFLAGS: 00010202 [ 10.489881] RAX: 6b6b6b6b6b6b6b6b RBX: ffff8804abeda9c8 RCX: 0000000000000020 [ 10.497045] RDX: 0000000000000000 RSI: ffff88049e604a68 RDI: 0000000000000000 [ 10.504213] RBP: 0000000000000000 R08: ffff8804abeda9c8 R09: 0000000000000000 [ 10.511376] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000e [ 10.518542] R13: ffff88049e604a68 R14: ffff88049e604a68 R15: ffffffffa00263c2 [ 10.525713] FS: 00007ff6d85f18c0(0000) GS:ffff8804be880000(0000) knlGS:0000000000000000 [ 10.533839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.539616] CR2: 00007ff6d73cff40 CR3: 000000049f794001 CR4: 0000000000760ee0 [ 10.546783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.553949] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.561112] PKRU: 55555554 [ 10.563849] Call Trace: [ 10.566323] acpi_ps_complete_op+0x49/0x3f1 [ 10.570537] acpi_ps_parse_loop+0x94c/0x9bb [ 10.574754] ? acpi_ds_delete_walk_state+0x113/0x131 [ 10.579750] acpi_ps_parse_aml+0x1a2/0x4af [ 10.583875] acpi_ps_execute_method+0x1e9/0x2a5 [ 10.588435] acpi_ns_evaluate+0x2e4/0x42c [ 10.592473] acpi_evaluate_object+0x1fd/0x3a8 [ 10.596873] usb_acpi_find_companion+0xee/0x1f0 [usbcore] [ 10.602319] acpi_platform_notify+0x33/0xa0 [ 10.606532] device_add+0x197/0x600 [ 10.610048] ? __init_waitqueue_head+0x36/0x50 [ 10.614529] usb_hub_create_port_device+0x11d/0x340 [usbcore] [ 10.620314] hub_probe+0x9a5/0x1010 [usbcore] [ 10.624701] ? _raw_spin_unlock_irqrestore+0x51/0x60 [ 10.629730] usb_probe_interface+0x13f/0x300 [usbcore] [ 10.634900] driver_probe_device+0x302/0x470 [ 10.639198] ? __driver_attach+0xe0/0xe0 [ 10.643147] bus_for_each_drv+0x59/0x90 [ 10.647013] __device_attach+0xb7/0x130 [ 10.650878] bus_probe_device+0x9c/0xb0 [ 10.654745] device_add+0x3c5/0x600 [ 10.658270] usb_set_configuration+0x540/0x880 [usbcore] [ 10.663621] generic_probe+0x28/0x80 [usbcore] [ 10.668097] driver_probe_device+0x302/0x470 [ 10.672393] ? __driver_attach+0xe0/0xe0 [ 10.676346] bus_for_each_drv+0x59/0x90 [ 10.680211] __device_attach+0xb7/0x130 [ 10.684076] bus_probe_device+0x9c/0xb0 [ 10.687940] device_add+0x3c5/0x600 [ 10.691464] usb_new_device+0x269/0x490 [usbcore] [ 10.696206] usb_add_hcd+0x558/0x850 [usbcore] [ 10.700682] xhci_pci_probe+0x13d/0x240 [xhci_pci] [ 10.705534] pci_device_probe+0xa1/0x130 [ 10.709484] driver_probe_device+0x302/0x470 [ 10.713784] __driver_attach+0xb9/0xe0 [ 10.717562] ? driver_probe_device+0x470/0x470 [ 10.722033] ? driver_probe_device+0x470/0x470 [ 10.726505] bus_for_each_dev+0x64/0x90 [ 10.730370] ? preempt_count_sub+0x92/0xd0 [ 10.734495] bus_add_driver+0x164/0x260 [ 10.738362] ? 0xffffffffa004e000 [ 10.741704] driver_register+0x57/0xc0 [ 10.745482] ? 0xffffffffa004e000 [ 10.748824] do_one_initcall+0x4a/0x350 [ 10.752690] ? do_init_module+0x22/0x20a [ 10.756643] ? rcu_read_lock_sched_held+0x74/0x80 [ 10.761377] ? kmem_cache_alloc_trace+0x284/0x2e0 [ 10.766114] do_init_module+0x5b/0x20a [ 10.769895] load_module+0x250d/0x2b20 [ 10.773678] ? kernel_read+0x2c/0x40 [ 10.777285] ? __se_sys_finit_module+0xaa/0xc0 [ 10.781759] __se_sys_finit_module+0xaa/0xc0 [ 10.786061] do_syscall_64+0x54/0x190 [ 10.789752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 10.794831] RIP: 0033:0x7ff6d74664d9 [ 10.798430] RSP: 002b:00007ffd91e7dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.806033] RAX: ffffffffffffffda RBX: 0000560519bfae20 RCX: 00007ff6d74664d9 [ 10.813195] RDX: 0000000000000000 RSI: 00007ff6d795ce23 RDI: 000000000000000e [ 10.820360] RBP: 00007ff6d795ce23 R08: 0000000000000000 R09: 0000000000000000 [ 10.827523] R10: 000000000000000e R11: 0000000000000246 R12: 0000000000000000 [ 10.834690] R13: 0000560519bf9a30 R14: 0000000000020000 R15: 000000000aba9500 [ 10.841862] Code: c2 10 5f ea 81 48 c7 c6 f0 5e ea 81 bf 7c 00 00 00 e8 0d 7c 00 00 31 ed e9 88 01 00 00 48 8b 03 31 ed 48 85 c0 +0f 84 e9 00 00 00 <4c> 8b 60 28 4d 85 e4 0f 84 dc 00 00 00 0f b7 78 0a e8 62 fe ff [ 10.860832] RIP: acpi_ps_complete_this_op+0xa7/0x22a RSP: ffffc900003a7578 [ 10.867907] ---[ end trace 3a0d2ee1129bc71e ]--- References: https://gitlab.freedesktop.org/drm/intel/-/issues/8033 Cc: Chris Wilson Signed-off-by: Imre Deak Tested-by: Tomi Sarvela Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20180702135756.12159-1-imre.deak@intel.com Signed-off-by: Rodrigo Vivi --- drivers/usb/core/usb-acpi.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index a34b22537d7ccf..922992fce6680c 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "hub.h" @@ -142,6 +143,20 @@ int usb_acpi_set_power_state(struct usb_device *hdev, int index, bool enable) } EXPORT_SYMBOL_GPL(usb_acpi_set_power_state); +static const struct dmi_system_id intel_icl_broken_acpi[] = { + { + .ident = "ICL RVP", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client Platform"), + }, + }, + + { } +}; + +static bool acpi_connection_type_broken; + static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle, struct acpi_pld_info *pld) { @@ -150,6 +165,10 @@ static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle, union acpi_object *upc = NULL; acpi_status status; + /* Work around unknown ACPI instruction error on ICL RVP BIOSes. */ + if (acpi_connection_type_broken) + return USB_PORT_CONNECT_TYPE_UNKNOWN; + /* * According to 9.14 in ACPI Spec 6.2. _PLD indicates whether usb port * is user visible and _UPC indicates whether it is connectable. If @@ -321,6 +340,11 @@ static struct acpi_bus_type usb_acpi_bus = { int usb_acpi_register(void) { + if (dmi_check_system(intel_icl_broken_acpi)) { + pr_info("USB ACPI connection type broken.\n"); + acpi_connection_type_broken = true; + } + return register_acpi_bus_type(&usb_acpi_bus); }