Re: Boot panic on Lenovo P50s since r367998

From: Marc Veldman <marc_at_bumblingdork.com>
Date: Fri, 25 Dec 2020 01:46:12 +0100
> On 25 Dec 2020, at 00:04, Yuri Pankov <yuripv_at_yuripv.dev> wrote:
> 
> Marc Veldman wrote:
>> Hello,
>> since r367998 my Lenovo P50s panics on boot:
>> mmc0: detached
>> panic: Bad link elm 0xfffff80003a73300 next->prep != elm
>> cupid=3
>> time=2
>> KDB: stack backtrace:
>> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffffff8299a9c0
>> vpanic() at vpanic+0x181/frame 0xffffffff8299aa10
>> panic() at panic+0x43/frame 0xffffffff8299aa70
>> config_intrhook_disestablish() at config_intrhook_disestablish+0xf3/frame 0xffffffff8299aa90
>> config_intrhook_oneshot_func() at config_intrhook_oneshot_func+0x18/frame 0xffffffff8299aab0
>> run_interrupt_driven_config_hooks() at run_interrupt_driven_config_hooks+0x77/frame 0xffffffff8299aad0
>> boot_run_interrupt_driven_config_hooks() at boot_run_interrupt_driven_config_hooks+0x1f/frame 0xffffffff8299ab60
>> mi_startup() at mi_startup+0xec/frame 0xffffffff8299abb0
>> btext() at btext+0x2c
>> KDB: enter: panic
>> [thread pid 0 tid 100000]
>> Stopped at     kdb_enter+0x37: movq     $0,0x10ada46(%rip)
> 
> r367998 adds rtsx driver for card reader, seems to work for me on P51 (as in "detected and does not panic", I don't have any cards around to really test it):
> 
> rtsx0_at_pci0:63:0:0:	class=0xff0000 rev=0x01 hdr=0x00 vendor=0x10ec device=0x525a subvendor=0x17aa subdevice=0x224d
>    vendor	= 'Realtek Semiconductor Co., Ltd.'
>    device	= 'RTS525A PCI Express Card Reader'
> 
> To confirm the issue is indeed in rtsx, does disabling the card reader in bios help?  If it does, what is the device exactly (`pciconf -lv` when booted on pre-r367998)?

The laptop does boot with the card reader disabled in BIOS, pciconf -lv output:.

hostb0_at_pci0:0:0:0:      class=0x060000 rev=0x08 hdr=0x00 vendor=0x8086 device=0x1904 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers'
    class      = bridge
    subclass   = HOST-PCI
vgapci0_at_pci0:0:2:0:     class=0x030000 rev=0x07 hdr=0x00 vendor=0x8086 device=0x1916 subvendor=0x17aa subdevice=0x2232
    vendor     = 'Intel Corporation'
    device     = 'Skylake GT2 [HD Graphics 520]'
    class      = display
    subclass   = VGA
none0_at_pci0:0:8:0:       class=0x088000 rev=0x00 hdr=0x00 vendor=0x8086 device=0x1911 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model'
    class      = base peripheral
xhci0_at_pci0:0:20:0:      class=0x0c0330 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d2f subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP USB 3.0 xHCI Controller'
    class      = serial bus
    subclass   = USB
pchtherm0_at_pci0:0:20:2:  class=0x118000 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d31 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP Thermal subsystem'
    class      = dasp
none1_at_pci0:0:22:0:      class=0x078000 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d3a subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP CSME HECI'
    class      = simple comms
ahci0_at_pci0:0:23:0:      class=0x010601 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d03 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP SATA Controller [AHCI mode]'
    class      = mass storage
    subclass   = SATA
pcib1_at_pci0:0:28:0:      class=0x060400 rev=0xf1 hdr=0x01 vendor=0x8086 device=0x9d10 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
pcib2_at_pci0:0:28:2:      class=0x060400 rev=0xf1 hdr=0x01 vendor=0x8086 device=0x9d12 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
pcib3_at_pci0:0:29:0:      class=0x060400 rev=0xf1 hdr=0x01 vendor=0x8086 device=0x9d18 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
isab0_at_pci0:0:31:0:      class=0x060100 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d48 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP LPC Controller'
    class      = bridge
    subclass   = PCI-ISA
none2_at_pci0:0:31:2:      class=0x058000 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d21 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP PMC'
    class      = memory
hdac0_at_pci0:0:31:3:      class=0x040300 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d70 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP HD Audio'
    class      = multimedia
    subclass   = HDA
ichsmb0_at_pci0:0:31:4:    class=0x0c0500 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d23 subvendor=0x17aa subdevice=0x2231
    vendor     = 'Intel Corporation'
    device     = 'Sunrise Point-LP SMBus'
    class      = serial bus
    subclass   = SMBus
em0_at_pci0:0:31:6:        class=0x020000 rev=0x21 hdr=0x00 vendor=0x8086 device=0x1570 subvendor=0x17aa subdevice=0x2233
    vendor     = 'Intel Corporation'
    device     = 'Ethernet Connection I219-V'
    class      = network
    subclass   = ethernet
none3_at_pci0:2:0:0:       class=0xff0000 rev=0x01 hdr=0x00 vendor=0x10ec device=0x522a subvendor=0x17aa subdevice=0x2233
    vendor     = 'Realtek Semiconductor Co., Ltd.'
    device     = 'RTS522A PCI Express Card Reader'
iwm0_at_pci0:4:0:0:        class=0x028000 rev=0x3a hdr=0x00 vendor=0x8086 device=0x24f3 subvendor=0x8086 subdevice=0x1130
    vendor     = 'Intel Corporation'
    device     = 'Wireless 8260'
    class      = network
vgapci1_at_pci0:6:0:0:     class=0x030200 rev=0xa2 hdr=0x00 vendor=0x10de device=0x137a subvendor=0x17aa subdevice=0x2232
    vendor     = 'NVIDIA Corporation'
    device     = 'GM108GLM [Quadro K620M / Quadro M500M]'
    class      = display
    subclass   = 3D
Received on Thu Dec 24 2020 - 23:46:16 UTC

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