Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 24 Dec 2015 08:46:37 -0800
From:      Sean Bruno <sbruno@freebsd.org>
To:        Alan Somers <asomers@freebsd.org>
Cc:        Eric Joyner <erj@freebsd.org>, "current@freebsd.org" <current@freebsd.org>
Subject:   Re: This igb change makes my igb not working anymore - Re: regression in igb/clang?
Message-ID:  <567C216D.3040707@freebsd.org>
In-Reply-To: <CAOtMX2ijMcwi7bDP%2B5ZV1vhEpm%2BmB%2B0ixX21U1w4eszVtLPHxA@mail.gmail.com>
References:  <20151111114532.000011fd@Leidinger.net> <20151119214200.000066be@Leidinger.net> <CA%2Bb0zg-wUhkpDthyVsks0tJWSGBCax1u3XM0gqjSj7aKr%2Bfykw@mail.gmail.com> <151238e6bb8.27da.fa4b1493b064008fe79f0f905b8e5741@Leidinger.net> <CAOtMX2ijMcwi7bDP%2B5ZV1vhEpm%2BmB%2B0ixX21U1w4eszVtLPHxA@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
<top posting for maximal annoyance>

Please create/update/point-me-at a bugzilla issue with all this information.

sean

On 12/22/15 08:37, Alan Somers wrote:
> I'm experiencing the same problem, and I can confirm that Alexander's
> workaround fixes it.  Here is some more information:
> 
> * I see the exact same problem on two different systems, both with
> S5520HC motherboards.
> * Both systems have two igb ports, and igb1 works on both.  Only igb0 is broken.
> * Disabling tso, lro, rxcsum, and txcsum has no effect.
> * tcpdump reveals that igb0 transmits successfully, but fails to receive
> * Curiously, "netstat -I igb0" shows nonzero values for Ipkts, even
> though "tcpdump  -i igb0" shows no inbound packets at all.
> * I can't really tell if IPv4 or IPv6 are working, because even ARP
> doesn't work.
> * SVN revisions 291495 and 292570 are both bad.  I don't know any
> recent good revision.
> 
> -Alan
> 
> On Thu, Nov 19, 2015 at 11:21 PM, Alexander Leidinger
> <Alexander@leidinger.net> wrote:
>> Dual stack.
>> Ping was on ipv4, no answer. Without the line I get the answer.
>> I have not tried a ping6.
>> --
>> Send from a mobile device, please forgive brevity and misspelling.
>>
>>
>> Gesendet mit AquaMail für Android
>> http://www.aqua-mail.com
>>
>>
>> Am 20. November 2015 02:07:11 schrieb Eric Joyner <ricera10@gmail.com>:
>>
>>> Are you using IPv6?
>>>
>>> On Thu, Nov 19, 2015 at 12:42 PM Alexander Leidinger <
>>> Alexander@leidinger.net> wrote:
>>>
>>>> On Wed, 11 Nov 2015 11:45:32 +0100
>>>> Alexander Leidinger <Alexander@Leidinger.net> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I' updated a system with -current as of r287323 (end August) to
>>>>> r290633 (yesterday).
>>>>>
>>>>> Result: no network connection (not even ping) on igb.
>>>>> Ping internally (local addresses) works, anything outgoing/incoming
>>>>> doesn't.
>>>>
>>>> And this is the function which causes it:
>>>> e1000_rx_fifo_flush_82575(&adapter->hw);
>>>>
>>>> If I comment it out in if_igb.c, the network card works again.
>>>>
>>>> Full quote below for the PCI ID of my card in case it helps for fixing
>>>> the issue.
>>>>
>>>> Bye,
>>>> Alexander.
>>>>
>>>>> I disabled HW support (tso4, lro, rxcsum, txcsum): doesn't help.
>>>>>
>>>>> Did I miss some known defect/workaround?
>>>>>
>>>>> Anything I should test/provide besides what is below?
>>>>>
>>>>> The igb device is a:
>>>>> ---snip---
>>>>> igb0@pci0:1:0:0: class=0x020000 card=0x34e28086 chip=0x10a78086
>>>>> rev=0x02 hdr=0x00 ---snip---
>>>>>
>>>>> My src.conf:
>>>>> ---snip---
>>>>> WITH_IDEA=yes
>>>>> WITHOUT_PROFILE=yes
>>>>> CFLAGS+=-DFTP_COMBINE_CWDS
>>>>> MALLOC_PRODUCTION=yes
>>>>> LOADER_FIREWIRE_SUPPORT=yes
>>>>> #WITH_FAST_DEPEND=yes
>>>>> ---snip---
>>>>>
>>>>> My buildworld related config in make.conf:
>>>>> ---snip---
>>>>> CFLAGS+= -O2 -pipe
>>>>> COPTFLAGS= -O2 -pipe
>>>>> #CPUTYPE?=core2
>>>>> #WITH_CCACHE_BUILD=yes
>>>>> #.if (!empty(.CURDIR:M/usr/src*)
>>>>> || !empty(.CURDIR:M/usr/obj*)|| !empty(.CURDIR:M/space/system/usr_obj*))
>>>>> #.if !defined(NOCCACHE) && exists(/usr/local/libexec/ccache/world/cc)
>>>>> #CC:=${CC:C,^cc,/usr/local/libexec/ccache/world/cc,1}
>>>>> #CXX:=${CXX:C,^c\+\+,/usr/local/libexec/ccache/world/c++,1} #.endif
>>>>> #.endif
>>>>> ---snip---
>>>>>
>>>>> The commented out parts were active initially, but then I commented
>>>>> them out, cleaned out /usr/obj (rm -r) and rebuild/reinstall to make
>>>>> sure it's not due to them (CPUTYPE commented out due to the fact that
>>>>> there's a new compiler, and I use zsh and there was a commit talking
>>>>> about zsh and CPUTYPE workaround).
>>>>>
>>>>> Bye,
>>>>> Alexander.
>>>>>
>>>>
>>>>
>>>> --
>>>> http://www.Leidinger.net Alexander@Leidinger.net: PGP 0xC773696B3BAC17DC
>>>> http://www.FreeBSD.org    netchild@FreeBSD.org  : PGP 0xC773696B3BAC17DC
>>>> _______________________________________________
>>>> freebsd-current@freebsd.org mailing list
>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-current
>>>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
>>>>
>>
>>
>> _______________________________________________
>> freebsd-current@freebsd.org mailing list
>> https://lists.freebsd.org/mailman/listinfo/freebsd-current
>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
> 



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?567C216D.3040707>