[Bug 200420] [igb] igb0: Watchdog timeout -- resetting

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200420

arcadiy at ivanovy.net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |arcadiy at ivanovy.net

--- Comment #1 from arcadiy at ivanovy.net ---
I can report the same for 10.3-RELEASE-p4 and stock kernel.

# cat /boot/loader.conf:
kern.geom.label.gptid.enable="0"
kern.ipc.nmbclusters="1000000"
hw.pci.enable_msi="1"
hw.pci.enable_msix="0"
zfs_load="YES"
aesni_load="YES"
ichsmb_load="YES"
ipmi_load="YES"
beastie_disable="YES"
autoboot_delay="3"

# pciconf -lcv
igb0 at pci0:2:0:0:        class=0x020000 card=0x153315d9 chip=0x15338086 rev=0x03
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'I210 Gigabit Network Connection'
    class      = network
    subclass   = ethernet
    cap 01[40] = powerspec 3  supports D0 D3  current D0
    cap 05[50] = MSI supports 1 message, 64 bit, vector masks enabled with 1
message
    cap 11[70] = MSI-X supports 5 messages
                 Table in map 0x1c[0x0], PBA in map 0x1c[0x2000]
    cap 10[a0] = PCI-Express 2 endpoint max data 128(512) FLR RO NS link x1(x1)
                 speed 2.5(2.5) ASPM L1(L0s/L1)
    ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
    ecap 0003[140] = Serial 1 002590ffffxxxxx2
    ecap 0017[1a0] = TPH Requester 1

igb1 at pci0:5:0:0:        class=0x020000 card=0x153315d9 chip=0x15338086 rev=0x03
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'I210 Gigabit Network Connection'
    class      = network
    subclass   = ethernet
    cap 01[40] = powerspec 3  supports D0 D3  current D0
    cap 05[50] = MSI supports 1 message, 64 bit, vector masks enabled with 1
message
    cap 11[70] = MSI-X supports 5 messages
                 Table in map 0x1c[0x0], PBA in map 0x1c[0x2000]
    cap 10[a0] = PCI-Express 2 endpoint max data 128(512) FLR RO NS link x1(x1)
                 speed 2.5(2.5) ASPM disabled(L0s/L1)
    ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
    ecap 0003[140] = Serial 1 002590ffffxxxxx3
    ecap 0017[1a0] = TPH Requester 1

This configuration is fairly stable (1h so far, no watchdog timeouts on igb1).

Disabling MSI altogether causes igb1 that doesn't pass any traffic and doesn't
even come up.

Disabling MSI-X seems to help.

This is a SuperMicro X11SBA-F board
(http://www.supermicro.com/products/motherboard/X11/X11SBA-F.cfm) with BIOS
1.0b (latest).

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