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Date: Fri, 8 Jun 2012 09:24:11 +0800 From: Ethan Zhao <ethan.kernel@...il.com> To: Matt Carlson <mcarlson@...adcom.com> Cc: Eric Dumazet <eric.dumazet@...il.com>, Christian Kujau <lists@...dbynature.de>, LKML <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org> Subject: Re: tg3: transmit timed out, resetting Matt, I notice there are some AER errors ( UnsupReq+,RxErr+) with the tg3 from Christian' lspci output, do you know why and how to clear them ? UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol- CESta: RxErr+ BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ Thanks, Ethan On Fri, Jun 8, 2012 at 6:56 AM, Matt Carlson <mcarlson@...adcom.com> wrote: > On Wed, Jun 06, 2012 at 12:52:32PM +0800, ethan zhao wrote: >> Eric, >> That is ask for confirmation from Matt Carlson of Broadcom. >> >> Ethan >> >> On Wed, Jun 6, 2012 at 12:12 PM, Eric Dumazet <eric.dumazet@...il.com> wrote: >> > On Wed, 2012-06-06 at 10:29 +0800, ethan zhao wrote: >> >> So no way to fix it via firmware update or Linux driver ? :< >> > >> > Yes, but you need to cooperate, or else it might take more time than >> > necessary. >> > >> > Asking questions like that on lkml is not going to help very much. >> > >> > So, once again, we kindly ask you try a recent kernel and post >> > register dump and some additional information when transmit timeouts >> > happen. >> > >> > The 'latest kernel' is either linux-3.5.rc1, or one of David Miller >> > tree : >> > >> > http://git.kernel.org/?p=linux/kernel/git/davem/net-next.git;a=summary >> > >> > or >> > >> > http://git.kernel.org/?p=linux/kernel/git/davem/net.git;a=summary >> > >> > Thanks > > Does the following patch fix your problem? > > > [PATCH] tg3: Apply short DMA frag workaround to 5906 > > 5906 devices also need the short DMA fragment workaround. This patch > makes the necessary change. > > Signed-off-by: Matt Carlson <mcarlson@...adcom.com> > --- > drivers/net/ethernet/broadcom/tg3.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c > index d55df32..2db4d70 100644 > --- a/drivers/net/ethernet/broadcom/tg3.c > +++ b/drivers/net/ethernet/broadcom/tg3.c > @@ -14275,7 +14275,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) > } > } > > - if (tg3_flag(tp, 5755_PLUS)) > + if (tg3_flag(tp, 5755_PLUS) || > + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) > tg3_flag_set(tp, SHORT_DMA_BUG); > > if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) > -- > 1.7.3.4 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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