em(4): discard frame w/o packet header (82547L on Supermicro X7SPA-H) on stable/8

[Xin LI]

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On 2010/09/17 10:42, Jack Vogel wrote:
> Put DDB/KDB into the kernel and get me the stack trace when this
> problem happens. Tell me exactly what the hardware is (pciconf).

Will do (I do have kdb/ddb in kernel but textdump still do minidump for
some reason, I'm looking at the code to figure out why).

pciconf -lv:

Not sure if only em related is sufficient, the rest parts are below.

==========================

em0 at pci0:2:0:0:	class=0x020000 card=0x060a15d9 chip=0x10d38086 rev=0x00
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
    class      = network
    subclass   = ethernet
em1 at pci0:3:0:0:	class=0x020000 card=0x060a15d9 chip=0x10d38086 rev=0x00
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
    class      = network
    subclass   = ethernet

==========================

hostb0 at pci0:0:0:0:	class=0x060000 card=0x060a15d9 chip=0xa0008086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    class      = bridge
    subclass   = HOST-PCI
vgapci0 at pci0:0:2:0:	class=0x030000 card=0x060a15d9 chip=0xa0018086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    class      = display
    subclass   = VGA
vgapci1 at pci0:0:2:1:	class=0x038000 card=0x060a15d9 chip=0xa0028086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    class      = display
uhci0 at pci0:0:26:0:	class=0x0c0300 card=0x060a15d9 chip=0x29378086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
uhci1 at pci0:0:26:1:	class=0x0c0300 card=0x060a15d9 chip=0x29388086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
uhci2 at pci0:0:26:2:	class=0x0c0300 card=0x060a15d9 chip=0x29398086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
ehci0 at pci0:0:26:7:	class=0x0c0320 card=0x060a15d9 chip=0x293c8086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB2 Enhanced Host Controller'
    class      = serial bus
    subclass   = USB
pcib1 at pci0:0:28:0:	class=0x060400 card=0x060a15d9 chip=0x29408086
rev=0x02 hdr=0x01
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) PCIe Root Port 1'
    class      = bridge
    subclass   = PCI-PCI
pcib2 at pci0:0:28:4:	class=0x060400 card=0x060a15d9 chip=0x29488086
rev=0x02 hdr=0x01
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) PCIe Root Port 5'
    class      = bridge
    subclass   = PCI-PCI
pcib3 at pci0:0:28:5:	class=0x060400 card=0x060a15d9 chip=0x294a8086
rev=0x02 hdr=0x01
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) PCIe Root Port 6'
    class      = bridge
    subclass   = PCI-PCI
uhci3 at pci0:0:29:0:	class=0x0c0300 card=0x060a15d9 chip=0x29348086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
uhci4 at pci0:0:29:1:	class=0x0c0300 card=0x060a15d9 chip=0x29358086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
uhci5 at pci0:0:29:2:	class=0x0c0300 card=0x060a15d9 chip=0x29368086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
ehci1 at pci0:0:29:7:	class=0x0c0320 card=0x060a15d9 chip=0x293a8086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) USB2 Enhanced Host Controller'
    class      = serial bus
    subclass   = USB
pcib4 at pci0:0:30:0:	class=0x060401 card=0x060a15d9 chip=0x244e8086
rev=0x92 hdr=0x01
    vendor     = 'Intel Corporation'
    device     = '82801 Family (ICH2/3/4/5/6/7/8/9,63xxESB) Hub
Interface to PCI Bridge'
    class      = bridge
    subclass   = PCI-PCI
isab0 at pci0:0:31:0:	class=0x060100 card=0x060a15d9 chip=0x29168086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IR (ICH9R) LPC Interface Controller'
    class      = bridge
    subclass   = PCI-ISA
ahci0 at pci0:0:31:2:	class=0x010601 card=0x060a15d9 chip=0x29228086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801IB/IR/IH (ICH9 Family) 6 port SATA AHCI Controller'
    class      = mass storage
    subclass   = SATA
ichsmb0 at pci0:0:31:3:	class=0x0c0500 card=0x060a15d9 chip=0x29308086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel(R) ICH9 Family SMBus Controller working fine
with http://download.cnet.com/Chipset-Driver-Inte (8086)'
    class      = serial bus
    subclass   = SMBus

Cheers,
- -- 
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!	       Live free or die
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