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>
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<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" >
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