Folks,
Indeed, it looks like igb(4) issue. Replacing the card with the
desktop-grade em(4)-supported card has fixed the problem for us. The
system has been happily pushing 110mbps worth of RTP traffic and 2000
concurrent calls without any problems for two days now.
e...@pci0:7:0:0: class=0x020000 card=0xa01f8086 chip=0x10d38086 rev=0x00
hdr=0x00
vendor = 'Intel Corporation'
class = network
subclass = ethernet
em0: <Intel(R) PRO/1000 Network Connection 6.9.6> port 0xec00-0xec1f mem
0xfbee0000-0xfbefffff,0xfbe00000-0xfbe7ffff,0xfbedc000-0xfbedffff irq 24
at device 0.0 on pci7
em0: Using MSIX interrupts
em0: [ITHREAD]
em0: [ITHREAD]
em0: [ITHREAD]
em0: Ethernet address: 00:1b:21:50:02:49
I really think that this has to be addressed before 7.3 release is out.
FreeBSD used to be famous for its excellent network performance and it's
shame to see that deteriorating due to sub-standard quality drivers.
Especially when there is a multi-billion vendor supporting the driver in
question. No finger pointing, but it really looks like either somebody
is not doing his job or the said vendor doesn't care so much about
supporting FreeBSD. I am pretty sure the vendor in question has access
to numerous load-testing tools, that should have catched this issue.
This is the second time during the past 6 months I have issue with the
quality of the Intel-based drivers - the first one is filed as
kern/140326, which has stalled apparently despite me providing all
necessary debug information.
Regards,
--
Maksym Sobolyev
Sippy Software, Inc.
Internet Telephony (VoIP) Experts
T/F: +1-646-651-1110
Web: http://www.sippysoft.com
MSN: sa...@sippysoft.com
Skype: SippySoft
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