[Bug 219428] em network driver broken in current

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219428

patpro <freebsdbug at patpro.net> changed:

           What    |Removed                     |Added
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                 CC|                            |freebsdbug at patpro.net

--- Comment #17 from patpro <freebsdbug at patpro.net> ---
Hi,
I'm experiencing this bug on:

FreeBSD 12.0-RELEASE-p3 GENERIC amd64
CPU: Intel(R) Core(TM) i3-3220T CPU @ 2.80GHz (2793.72-MHz K8-class CPU)
em0: <Intel(R) PRO/1000 Network Connection> port 0xf080-0xf09f mem
0xf7e00000-0xf7e1ffff,0xf7e39000-0xf7e39fff irq 20 at device 25.0 on pci0
em1: <Intel(R) PRO/1000 Network Connection> port 0xe000-0xe01f mem
0xf7c00000-0xf7c1ffff,0xf7c20000-0xf7c23fff irq 18 at device 0.0 on pci3

em1: attach_pre capping queues at 2
Current cap: 0x460b
em1: using 1024 tx descriptors and 1024 rx descriptors
em1: msix_init qsets capped at 2
em1: pxm cpus: 2 queue msgs: 4 admincnt: 1
em1: using 2 rx queues 2 tx queues 
em1: Using MSIX interrupts with 3 vectors
em1: allocated for 2 tx_queues
em1: allocated for 2 rx_queues
em1: Ethernet address: 70:54:d2:45:71:41
em1: netmap queues/slots: TX 2/1024, RX 2/1024

em1: TX(1) desc avail = 41, pidx = 179
em1: link state changed to DOWN
em1: TX(1) desc avail = 1024, pidx = 0
em1: TX(1) desc avail = 1024, pidx = 0
em1: TX(1) desc avail = 1024, pidx = 0
...

It's only fixed by a reboot.

How can I know if the fixes mentioned here are present in 12.0-RELEASE-p3 or if
I'll have to wait for p4 or more ?

thanks

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