amd64/179376: xhci ehci irq storm

[Michal Sviba]

#pciconf -lvc
hostb0 at pci0:0:0:0:      class=0x060000 card=0x3397103c chip=0x01508086 
rev=0x09 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Ivy Bridge DRAM Controller'
     class      = bridge
     subclass   = HOST-PCI
     cap 09[e0] = vendor (length 12) Intel cap 0 version 1
vgapci0 at pci0:0:2:0:     class=0x030000 card=0x3397103c chip=0x01528086 
rev=0x09 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Ivy Bridge Graphics Controller'
     class      = display
     subclass   = VGA
     cap 05[90] = MSI supports 1 message
     cap 01[d0] = powerspec 2  supports D0 D3  current D0
     cap 13[a4] = PCI Advanced Features: FLR TP
xhci0 at pci0:0:20:0:      class=0x0c0330 card=0x3397103c chip=0x1e318086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point USB xHCI Host Controller'
     class      = serial bus
     subclass   = USB
     cap 01[70] = powerspec 2  supports D0 D3  current D0
     cap 05[80] = MSI supports 8 messages, 64 bit
none0 at pci0:0:22:0:      class=0x078000 card=0x3397103c chip=0x1e3a8086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point MEI Controller'
     class      = simple comms
     cap 01[50] = powerspec 3  supports D0 D3  current D0
     cap 05[8c] = MSI supports 1 message, 64 bit
none1 at pci0:0:22:3:      class=0x070002 card=0x3397103c chip=0x1e3d8086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point KT Controller'
     class      = simple comms
     subclass   = UART
     cap 01[c8] = powerspec 3  supports D0 D3  current D0
     cap 05[d0] = MSI supports 1 message, 64 bit
em0 at pci0:0:25:0:        class=0x020000 card=0x3397103c chip=0x15028086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = '82579LM Gigabit Network Connection'
     class      = network
     subclass   = ethernet
     cap 01[c8] = powerspec 2  supports D0 D3  current D0
     cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message
     cap 13[e0] = PCI Advanced Features: FLR TP
ehci0 at pci0:0:26:0:      class=0x0c0320 card=0x3397103c chip=0x1e2d8086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point USB Enhanced Host Controller'
     class      = serial bus
     subclass   = USB
     cap 01[50] = powerspec 2  supports D0 D3  current D0
     cap 0a[58] = EHCI Debug Port at offset 0xa0 in map 0x14
     cap 13[98] = PCI Advanced Features: FLR TP
hdac0 at pci0:0:27:0:      class=0x040300 card=0x3397103c chip=0x1e208086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point High Definition Audio Controller'
     class      = multimedia
     subclass   = HDA
     cap 01[50] = powerspec 2  supports D0 D3  current D0
     cap 05[60] = MSI supports 1 message, 64 bit enabled with 1 message
     cap 10[70] = PCI-Express 1 root endpoint max data 128(128) link x0(x0)
ecap 0002[100] = VC 1 max VC1
ecap 0005[130] = unknown 1
ehci1 at pci0:0:29:0:      class=0x0c0320 card=0x3397103c chip=0x1e268086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point USB Enhanced Host Controller'
     class      = serial bus
     subclass   = USB
     cap 01[50] = powerspec 2  supports D0 D3  current D0
     cap 0a[58] = EHCI Debug Port at offset 0xa0 in map 0x14
     cap 13[98] = PCI Advanced Features: FLR TP
pcib1 at pci0:0:30:0:      class=0x060401 card=0x3397103c chip=0x244e8086 
rev=0xa4 hdr=0x01
     vendor     = 'Intel Corporation'
     device     = '82801 PCI Bridge'
     class      = bridge
     subclass   = PCI-PCI
     cap 0d[50] = PCI Bridge card=0x3397103c
isab0 at pci0:0:31:0:      class=0x060100 card=0x3397103c chip=0x1e478086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point LPC Controller'
     class      = bridge
     subclass   = PCI-ISA
     cap 09[e0] = vendor (length 12) Intel cap 1 version 0
                  features: AMT, 4 PCI-e x1 slots
ahci0 at pci0:0:31:2:      class=0x010601 card=0x3397103c chip=0x1e028086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point 6 port SATA AHCI Controller'
     class      = mass storage
     subclass   = SATA
     cap 05[80] = MSI supports 1 message enabled with 1 message
     cap 01[70] = powerspec 3  supports D0 D3  current D0
     cap 12[a8] = SATA Index-Data Pair
     cap 13[b0] = PCI Advanced Features: FLR TP
none2 at pci0:0:31:3:      class=0x0c0500 card=0x3397103c chip=0x1e228086 
rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Panther Point SMBus Controller'
     class      = serial bus
     subclass   = SMBus


Dne 11.6.2013 15:27, Konstantin Belousov napsal(a):
> Could you show the output of pciconf -lvc ?