Date: Sat, 17 Sep 2011 13:05:08 -0700 From: YongHyeon PYUN <pyunyh@gmail.com> To: Eugene Grosbein <egrosbein@rdtc.ru> Cc: stable@freebsd.org, John Baldwin <jhb@freebsd.org>, yongari@freebsd.org Subject: Re: busdma MFC broke ipfw fwd for RELENG_6 Message-ID: <20110917200508.GA13993@michelle.cdnetworks.com> In-Reply-To: <4E74A8C6.2070608@rdtc.ru> References: <4E722B70.9010201@rdtc.ru> <201109151314.50549.jhb@freebsd.org> <4E7238C3.1060008@rdtc.ru> <20110915181524.GA6557@michelle.cdnetworks.com> <4E724BCD.4040607@rdtc.ru> <20110915191944.GB6557@michelle.cdnetworks.com> <4E72D465.8050900@rdtc.ru> <20110916191355.GA9916@michelle.cdnetworks.com> <4E74A8C6.2070608@rdtc.ru>
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On Sat, Sep 17, 2011 at 09:03:50PM +0700, Eugene Grosbein wrote: > 17.09.2011 02:13, YongHyeon PYUN пишет: > > On Fri, Sep 16, 2011 at 11:45:25AM +0700, Eugene Grosbein wrote: > >> 16.09.2011 02:19, YongHyeon PYUN пишет: > >>> On Fri, Sep 16, 2011 at 02:02:37AM +0700, Eugene Grosbein wrote: > >>>> 16.09.2011 01:15, YongHyeon PYUN пишет: > >>>> > >>>>> I remember re(4) in 6.x also have a couple of bus_dma(9) bugs. How > >>>>> about applying the following revision? > >>>>> http://svnweb.freebsd.org/base?view=revision&revision=175337 > >>>>> Not sure whether it shall apply cleanly. > >>>> > >>>> It does not and there is too much differences in the code for my skills to apply manually :-) > >>>> > >>>>> Alternatively try replacing BUS_DMA_ALLOCNOW to 0 in > >>>>> bus_dma_tag_create(9). > >>>> > >>>> I'm not sure I undersdand this right... Do you mean this change? > >>> > >>> No, change BUS_DMA_ALLOCNOW used in re(4). > >> > >> With clean RELENG_6 sources and the only following patch, > >> the problem still persists. > >> > > > > :-( > > I have back-ported re(4)/rl(4) for latest 6.x. > > http://people.freebsd.org/~yongari/re/6.x/README.txt > > Just compile tested and not sure whether it fixes the issue. > > I confirm that the problem disappears using this driver with clean RELENG_6 sources > and RealTek 8169/8169S/8169SB(L)/8110S/8110SB(L) Gigabit Ethernet: > > re0@pci1:11:0: class=0x020000 card=0x816910ec chip=0x816910ec rev=0x10 hdr=0x00 > vendor = 'Realtek Semiconductor' > device = 'RTL8110SB Single-Chip Gigabit LOM Ethernet Controller' > class = network > subclass = ethernet > cap 01[dc] = powerspec 2 supports D0 D1 D2 D3 current D0 > > Also, this machine uses RT8139 (rl0) for its LAN and it works too. Glad to hear that. Unfortunately I have no plan or time to merge all changes made in re(4)/rl(4) to stable/6 so you may have to stick to this unofficial driver. As you already know, I overhauled these drivers long time ago and there were too many changes. > > Eugene Grosbein
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