Date: Thu, 19 Nov 2015 21:42:00 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: sbruno@FreeBSD.org, current@FreeBSD.org Subject: This igb change makes my igb not working anymore - Re: regression in igb/clang? Message-ID: <20151119214200.000066be@Leidinger.net> In-Reply-To: <20151111114532.000011fd@Leidinger.net> References: <20151111114532.000011fd@Leidinger.net>
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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.
>
--
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