Re: This igb change makes my igb not working anymore - Re: regression in igb/clang?

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On Thu, Nov 19, 2015 at 12:42 PM Alexander Leidinger <
Alexander_at_leidinger.net> wrote:

> On Wed, 11 Nov 2015 11:45:32 +0100
> Alexander Leidinger <Alexander_at_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_at_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_at_Leidinger.net: PGP 0xC773696B3BAC17DC
> http://www.FreeBSD.org    netchild_at_FreeBSD.org  : PGP 0xC773696B3BAC17DC
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