em broken on current amd64
Mark R V Murray
markm at FreeBSD.org
Tue Sep 8 18:02:49 UTC 2015
> On 8 Sep 2015, at 17:22, Sean Bruno <sbruno at freebsd.org> wrote:
>
>
>>>>
>>>> I’m also seeing breakage with the em0 device; this isn’t a kernel
>>>> hang, it is a failure to move data after about 10-15 minutes. The
>>>> symptom is that my WAN ethernet no longer moves traffic, no pings,
>>>> nothing. Booting looks normal:
>>>>
>>>> em0: <Intel(R) PRO/1000 Network Connection 7.4.2> port
>>>> 0x30c0-0x30df mem 0x50300000-0x5031ffff,0x50324000-0x50324fff irq
>>>> 20 at device 25.0 on pci0 em0: Using an MSI interrupt em0: Ethernet
>>>> address: 00:16:76:d3:e1:5b em0: netmap queues/slots: TX 1/1024, RX
>>>> 1/1024
>>>>
>>>> Fixing it is as easy as …
>>>>
>>>> # ifconfig em0 down ; service ipfw restart ; ifconfig em0 up
>>>>
>>>> :-)
>>>>
>>>> I’m running CURRENT, r287538. This last worked of me a month or so
>>>> ago at my previous build.
>>>>
>>>> M
>>>>
>>>
>>>
>>> Just so I'm clear, the original problem reported was a failure to
>>> attach (you were among several folks reporting breakage). Is that fixed
>>> ?
>>
>> I did not report the failure to attach, and I am not seeing it as I don’t
>> think I built a kernel that had that particular failure. I am having the
>> “failure after 10-15 minutes” problem; this is on an em0 device.
>>
>> M
>>
>
>
> Hrm, that's odd. That sounds like a hole where interrupts aren't being
> reset for "reasons" that I cannot fathom.
>
> What hardware (pciconf -lv) does your system actually have? The em(4)
> driver doesn't identify components which is frustrating.
pciconf -lv output below:
hostb0 at pci0:0:0:0: class=0x060000 card=0x514d8086 chip=0x29a08086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82P965/G965 Memory Controller Hub'
class = bridge
subclass = HOST-PCI
vgapci0 at pci0:0:2:0: class=0x030000 card=0x514d8086 chip=0x29a28086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82G965 Integrated Graphics Controller'
class = display
subclass = VGA
none0 at pci0:0:3:0: class=0x078000 card=0x514d8086 chip=0x29a48086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82P965/G965 HECI Controller'
class = simple comms
em0 at pci0:0:25:0: class=0x020000 card=0x00018086 chip=0x104b8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82566DC Gigabit Network Connection'
class = network
subclass = ethernet
uhci0 at pci0:0:26:0: class=0x0c0300 card=0x514d8086 chip=0x28348086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI Controller'
class = serial bus
subclass = USB
uhci1 at pci0:0:26:1: class=0x0c0300 card=0x514d8086 chip=0x28358086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI Controller'
class = serial bus
subclass = USB
ehci0 at pci0:0:26:7: class=0x0c0320 card=0x514d8086 chip=0x283a8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB2 EHCI Controller'
class = serial bus
subclass = USB
hdac0 at pci0:0:27:0: class=0x040300 card=0x21148086 chip=0x284b8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) HD Audio Controller'
class = multimedia
subclass = HDA
pcib1 at pci0:0:28:0: class=0x060400 card=0x283f8086 chip=0x283f8086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 1'
class = bridge
subclass = PCI-PCI
pcib2 at pci0:0:28:1: class=0x060400 card=0x28418086 chip=0x28418086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 2'
class = bridge
subclass = PCI-PCI
pcib3 at pci0:0:28:2: class=0x060400 card=0x28438086 chip=0x28438086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 3'
class = bridge
subclass = PCI-PCI
pcib4 at pci0:0:28:3: class=0x060400 card=0x28458086 chip=0x28458086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 4'
class = bridge
subclass = PCI-PCI
pcib5 at pci0:0:28:4: class=0x060400 card=0x28478086 chip=0x28478086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 5'
class = bridge
subclass = PCI-PCI
uhci2 at pci0:0:29:0: class=0x0c0300 card=0x514d8086 chip=0x28308086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI Controller'
class = serial bus
subclass = USB
uhci3 at pci0:0:29:1: class=0x0c0300 card=0x514d8086 chip=0x28318086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI Controller'
class = serial bus
subclass = USB
uhci4 at pci0:0:29:2: class=0x0c0300 card=0x514d8086 chip=0x28328086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI Controller'
class = serial bus
subclass = USB
ehci1 at pci0:0:29:7: class=0x0c0320 card=0x514d8086 chip=0x28368086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB2 EHCI Controller'
class = serial bus
subclass = USB
pcib6 at pci0:0:30:0: class=0x060401 card=0x514d8086 chip=0x244e8086 rev=0xf2 hdr=0x01
vendor = 'Intel Corporation'
device = '82801 PCI Bridge'
class = bridge
subclass = PCI-PCI
isab0 at pci0:0:31:0: class=0x060100 card=0x514d8086 chip=0x28108086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801HB/HR (ICH8/R) LPC Interface Controller'
class = bridge
subclass = PCI-ISA
atapci1 at pci0:0:31:2: class=0x01018f card=0x514d8086 chip=0x28208086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) 4 port SATA Controller [IDE mode]'
class = mass storage
subclass = ATA
ichsmb0 at pci0:0:31:3: class=0x0c0500 card=0x514d8086 chip=0x283e8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) SMBus Controller'
class = serial bus
subclass = SMBus
atapci2 at pci0:0:31:5: class=0x010185 card=0x514d8086 chip=0x28258086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801HR/HO/HH (ICH8R/DO/DH) 2 port SATA Controller [IDE mode]'
class = mass storage
subclass = ATA
atapci0 at pci0:2:0:0: class=0x01018f card=0x610111ab chip=0x610111ab rev=0xb1 hdr=0x00
vendor = 'Marvell Technology Group Ltd.'
device = '88SE6101/6102 single-port PATA133 interface'
class = mass storage
subclass = ATA
dc0 at pci0:6:0:0: class=0x020000 card=0xf0041385 chip=0x000211ad rev=0x20 hdr=0x00
vendor = 'Lite-On Communications Inc'
device = 'LNE100TX'
class = network
subclass = ethernet
sym0 at pci0:6:1:0: class=0x010000 card=0x80001092 chip=0x008f1000 rev=0x04 hdr=0x00
vendor = 'LSI Logic / Symbios Logic'
device = '53c875J'
class = mass storage
subclass = SCSI
none1 at pci0:6:3:0: class=0x0c0010 card=0x514d8086 chip=0x8023104c rev=0x00 hdr=0x00
vendor = 'Texas Instruments'
device = 'TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx]'
class = serial bus
subclass = FireWire
M
--
Mark R V Murray
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