On Tue, May 08, 2018 at 01:39:45AM +0000, Matt Macy wrote:
> Author: mmacy
> Date: Tue May 8 01:39:45 2018
> New Revision: 333345
> URL: https://svnweb.freebsd.org/changeset/base/333345
>
> Log:
> Sleep rather than spin in e1000 when doing long running config operations.
>
> With r333218 it is now possible for drivers to use an sx lock and thus
> sleep while
> waiting on long running operations rather than DELAY().
>
> Reported by: gallatin
> Reviewed by: sbruno
> Approved by: sbruno
> MFC after: 1 month
> Sponsored by: Limelight Networks
> Differential Revision: https://reviews.freebsd.org/D14984
This commit causes igb to fail to attach to one of the ports on an I210:
igb0@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
igb1@pci0:6:0:0: class=0x020000 card=0x153315d9 chip=0x15338086 rev=0x03
hdr=0x00
vendor = 'Intel Corporation'
device = 'I210 Gigabit Network Connection'
class = network
subclass = ethernet
In the dmesg I see:
igb0: <Intel(R) PRO/1000 PCI-Express Network Driver> port 0xd000-0xd01f mem
0xf8300000-0xf837ffff,0xf8380000-0xf8383fff irq 18 at device 0.0 numa-domain 0
on pci6
igb0: attach_pre capping queues at 4
igb0: Setup of Shared code failed, error -2
igb0: IFDI_ATTACH_PRE failed 6
device_attach: igb0 attach returned 6
pcib7: <ACPI PCI-PCI bridge> irq 19 at device 28.3 numa-domain 0 on pci1
pci7: <ACPI PCI bus> numa-domain 0 on pcib7
igb0: <Intel(R) PRO/1000 PCI-Express Network Driver> port 0xc000-0xc01f mem
0xf8200000-0xf827ffff,0xf8280000-0xf8283fff irq 19 at device 0.0 numa-domain 0
on pci7
igb0: attach_pre capping queues at 4
igb0: using 1024 tx descriptors and 1024 rx descriptors
igb0: msix_init qsets capped at 4
igb0: pxm cpus: 8 queue msgs: 4 admincnt: 1
igb0: using 4 rx queues 4 tx queues
igb0: Using MSIX interrupts with 5 vectors
igb0: allocated for 4 tx_queues
igb0: allocated for 4 rx_queues
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