Date: Thu, 14 Jan 2010 16:53:16 -0800 From: Pyun YongHyeon <pyunyh@gmail.com> To: Floris Bos <info@je-eigen-domein.nl> Cc: freebsd-net@freebsd.org Subject: Re: kern/92090: [bge] bge: watchdog timeout -- resetting Message-ID: <20100115005316.GB1228@michelle.cdnetworks.com> In-Reply-To: <201001142148.56444.info@je-eigen-domein.nl> References: <201001140140.o0E1e5hr072464@freefall.freebsd.org> <201001142108.02941.info@je-eigen-domein.nl> <20100114201144.GA1228@michelle.cdnetworks.com> <201001142148.56444.info@je-eigen-domein.nl>
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[-- Attachment #1 --]
On Thu, Jan 14, 2010 at 09:48:56PM +0100, Floris Bos wrote:
> On Thursday 14 January 2010 09:11:44 pm Pyun YongHyeon wrote:
> > On Thu, Jan 14, 2010 at 09:08:02PM +0100, Floris Bos wrote:
> > > On Thursday 14 January 2010 06:56:03 pm Pyun YongHyeon wrote:
> > > > On Thu, Jan 14, 2010 at 04:33:19AM +0100, Floris Bos wrote:
> > > > > Hi,
> > > > >
> > > > > On Thursday 14 January 2010 03:54:52 am Pyun YongHyeon wrote:
> > > > > > > ==
> > > > > > > bge0: <HP NC107i PCIe Gigabit Server Adapter, ASIC rev. 0x5784100> mem 0xdf900000-0xdf90ffff irq 16 at device 0.0 on pci32
> > > > > > > ==
> > > > > > >
> > > > > > > After boot, the network works for about 5 seconds, barely enough time to get an IP by DHCP, and sent a ping or 2.
> > > > > > > Then network connectivity goes down, and after some time there is a "bge0: watchdog timeout -- resetting" message.
> > > > > > >
> > > > > > > Then network works again for 5 seconds, and goes down again. All the time, repeatedly.
> > > > > > >
> > > > > > > The system works fine under Ubuntu. So I assume the hardware is ok.
> > > > > > >
> > > > > >
> > > > > > I'm not sure but it looks like you have a BCM5784 controller. What is
> > > > > > the output of "devinfo -rv | grep phy"?
> > > > >
> > > > > ==
> > > > > ukphy0 pnpinfo oui=0x50ef model=0x3a rev=0x4 at phyno=1
> > > > > ukphy1 pnpinfo oui=0x50ef model=0x3a rev=0x4 at phyno=1
> > > > > ==
> > > >
> > > > Support for the PHY was added in r202269.
> > > > Please try again after applying the change. Or you can download
> > > > sys/dev/mii/miidevs and sys/dev/mii/brgphy.c from HEAD and rebuild
> > > > kernel.
> > >
> > > Fetched the latest source using CVS on another computer, and transferred it to the system concerned by USB stick.
> > > Rebuild the kernel, but the problem is still there.
> > >
> > Would you show me full dmesg output including "watchodg timeout"
> > messages?
>
> ===
> Copyright (c) 1992-2010 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> The Regents of the University of California. All rights reserved.
[...]
> bge0: <HP NC107i PCIe Gigabit Server Adapter, ASIC rev. 0x5784100> mem 0xdf900000-0xdf90ffff irq 16 at device 0.0 on pci32
> miibus0: <MII bus> on bge0
> brgphy0: <BCM5784 10/100/1000baseTX PHY> PHY 1 on miibus0
> brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> bge0: Ethernet address: f4:ce:46:0f:2a:2c
> bge0: [FILTER]
> pcib4: <ACPI PCI-PCI bridge> irq 16 at device 28.5 on pci0
> pci34: <ACPI PCI bus> on pcib4
> bge1: <HP NC107i PCIe Gigabit Server Adapter, ASIC rev. 0x5784100> mem 0xdfa00000-0xdfa0ffff irq 17 at device 0.0 on pci34
> miibus1: <MII bus> on bge1
> brgphy1: <BCM5784 10/100/1000baseTX PHY> PHY 1 on miibus1
> brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> bge1: Ethernet address: f4:ce:46:0f:2a:2d
> bge1: [FILTER]
[...]
Would you give attached patch try? I don't know whether it help
or not though. I couldn't find any related information for possible
clue of the issue in publicly available datasheet.
[-- Attachment #2 --]
Index: sys/dev/bge/if_bgereg.h
===================================================================
--- sys/dev/bge/if_bgereg.h (revision 202295)
+++ sys/dev/bge/if_bgereg.h (working copy)
@@ -2615,6 +2615,7 @@
#define BGE_FLAG_5755_PLUS 0x00010000
#define BGE_FLAG_40BIT_BUG 0x00020000
#define BGE_FLAG_4G_BNDRY_BUG 0x00040000
+#define BGE_FLAG_CLKREQ_BUG 0x00080000
#define BGE_FLAG_RX_ALIGNBUG 0x00100000
#define BGE_FLAG_NO_3LED 0x00200000
#define BGE_FLAG_ADC_BUG 0x00400000
Index: sys/dev/bge/if_bge.c
===================================================================
--- sys/dev/bge/if_bge.c (revision 202295)
+++ sys/dev/bge/if_bge.c (working copy)
@@ -898,9 +898,22 @@
{
struct bge_softc *sc;
struct mii_data *mii;
+ uint16_t link;
+
sc = device_get_softc(dev);
mii = device_get_softc(sc->bge_miibus);
+ if ((sc->bge_flags & BGE_FLAG_CLKREQ_BUG) != 0) {
+ link = pci_read_config(dev,
+ sc->bge_expcap + PCIR_EXPRESS_LINK_CTL, 2);
+ if (IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T ||
+ IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX)
+ link &= ~0x0100;
+ else
+ link |= 0x0100;
+ pci_write_config(dev,
+ sc->bge_expcap + PCIR_EXPRESS_LINK_CTL, link, 2);
+ }
BGE_CLRBIT(sc, BGE_MAC_MODE, BGE_MACMODE_PORTMODE);
if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T ||
IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_SX)
@@ -2520,6 +2533,7 @@
struct ifnet *ifp;
struct bge_softc *sc;
uint32_t hwcfg = 0, misccfg;
+ uint16_t link;
u_char eaddr[ETHER_ADDR_LEN];
int error, msicount, reg, rid, trys;
@@ -2672,6 +2686,18 @@
*/
sc->bge_flags |= BGE_FLAG_PCIE;
sc->bge_expcap = reg;
+ link = pci_read_config(dev, reg + PCIR_EXPRESS_LINK_CTL, 2);
+ /* Check for CLKREQ. */
+ if (link & 0x0100) {
+#if 1
+ device_printf(sc->bge_dev, "CLKREQ set!\n");
+#endif
+ if (sc->bge_asicrev == BGE_ASICREV_BCM5761 ||
+ sc->bge_asicrev == BGE_ASICREV_BCM5784 ||
+ sc->bge_chipid == BGE_CHIPID_BCM57780_A0 ||
+ sc->bge_chipid == BGE_CHIPID_BCM57780_A1)
+ sc->bge_flags |= BGE_FLAG_CLKREQ_BUG;
+ }
bge_set_max_readrq(sc);
} else {
/*
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