https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234766
free...@coombscloud.com changed:
What |Removed |Added
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CC| |free...@coombscloud.com
--- Comment #7 from free...@coombscloud.com ---
I'm seeing similar behavior on a different Intel chip:
$ freebsd-version -kr
12.0-RELEASE-p4
12.0-RELEASE-p4
$ pciconf -lv
...
em0@pci0:0:31:6: class=0x020000 card=0x86721043 chip=0x15b88086 rev=0x31
hdr=0x00
vendor = 'Intel Corporation'
device = 'Ethernet Connection (2) I219-V'
class = network
subclass = ethernet
I will suddenly get the following kernel messages (the avail and pidx values
differ at each failure):
kernel: em0: TX(0) desc avail = 42, pidx = 208
kernel: em0: link state changed to DOWN
Followed by a constant stream of the following messages:
kernel: em0: TX(0) desc avail = 1024, pidx = 0
This seems to be triggered by periods of high network activity. For example,
another computer has a backup task set to run once daily, which backs up a
SAMBA share hosted by this computer. This network failure often happens shortly
after that task begins.
I used 11.2-RELASE on this computer for some time and never encountered this
behavior with it.
I'll give net/intel-em-kmod a try.
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