Date: Thu, 18 Feb 2010 16:19:13 -0800 From: Pyun YongHyeon <pyunyh@gmail.com> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: Nick Rogers <ncrogers@gmail.com>, stable@freebsd.org Subject: Re: trap 12: page fault while in kernel mode on 8.0-RELEASE (possibly bge(4) related) Message-ID: <20100219001913.GE11675@michelle.cdnetworks.com> In-Reply-To: <20100218215039.GK55307@zxy.spb.ru> References: <147432021002141004o6c1412b7gd548b87709532ef9@mail.gmail.com> <20100216175719.GB1394@michelle.cdnetworks.com> <20100218143822.GA8380@zxy.spb.ru> <20100218193612.GB11675@michelle.cdnetworks.com> <20100218212428.GJ55307@zxy.spb.ru> <20100218213213.GD11675@michelle.cdnetworks.com> <20100218215039.GK55307@zxy.spb.ru>
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[-- Attachment #1 --]
On Fri, Feb 19, 2010 at 12:50:39AM +0300, Slawa Olhovchenkov wrote:
> On Thu, Feb 18, 2010 at 01:32:13PM -0800, Pyun YongHyeon wrote:
>
> > > > dmesg output(only bge(4) related one).
> > >
> > > dmesg from boot:
> > >
> > > bge0: <HP NC7782 Gigabit Server Adapter, ASIC rev. 0x002100> mem 0xfdf70000-0xfdf7ffff irq 25 at device 2.0 on pci2
> > > miibus0: <MII bus> on bge0
> > > brgphy0: <BCM5704 10/100/1000baseTX PHY> PHY 1 on miibus0
> > > brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> > > bge0: Ethernet address: 00:14:c2:3d:e5:52
> > > bge0: [ITHREAD]
> > > bge1: <HP NC7782 Gigabit Server Adapter, ASIC rev. 0x002100> mem 0xfdf60000-0xfdf6ffff irq 26 at device 2.1 on pci2
> > > miibus1: <MII bus> on bge1
> > > brgphy1: <BCM5704 10/100/1000baseTX PHY> PHY 1 on miibus1
> > > brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> > > bge1: Ethernet address: 00:14:c2:3d:e5:51
> > > bge1: [ITHREAD]
> > > bge1: link state changed to UP
> > > bge0: link state changed to UP
> > >
> > > Nothing in dmesg before trap.
> > >
> >
> > Is this PCI-X controller? It would be even better if you can post
>
> This integrated controller (HP DL360-G4)
>
> > bge(4) related dmesg output of verbosed boot and the output of
>
> Preloaded elf kernel "/boot/kernel/kernel" at 0xffffffff8088e000.
> Preloaded elf obj module "/boot/kernel/if_bge.ko" at 0xffffffff8088e1d0.
> Preloaded elf obj module "/boot/kernel/miibus.ko" at 0xffffffff8088e7f8.
> pci0:2:2:0: bad VPD cksum, remain 19
> bge0: <HP NC7782 Gigabit Server Adapter, ASIC rev. 0x002100> mem 0xfdf70000-0xfdf7ffff irq 25 at device 2.0 on pci2
> bge0: Reserved 0x10000 bytes for rid 0x10 type 3 at 0xfdf70000
> bge0: CHIP ID 0x00002100; ASIC REV 0x02; CHIP REV 0x21; PCI-X
> miibus0: <MII bus> on bge0
> brgphy0: <BCM5704 10/100/1000baseTX PHY> PHY 1 on miibus0
> brgphy0: OUI 0x000818, model 0x0019, rev. 0
> brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> bge0: bpf attached
> bge0: Ethernet address: 00:14:c2:3d:e5:52
> ioapic1: routing intpin 1 (PCI IRQ 25) to lapic 0 vector 50
> bge0: [MPSAFE]
> bge0: [ITHREAD]
> pci0:2:2:1: bad VPD cksum, remain 19
> bge1: <HP NC7782 Gigabit Server Adapter, ASIC rev. 0x002100> mem 0xfdf60000-0xfdf6ffff irq 26 at device 2.1 on pci2
> bge1: Reserved 0x10000 bytes for rid 0x10 type 3 at 0xfdf60000
> bge1: CHIP ID 0x00002100; ASIC REV 0x02; CHIP REV 0x21; PCI-X
> miibus1: <MII bus> on bge1
> brgphy1: <BCM5704 10/100/1000baseTX PHY> PHY 1 on miibus1
> brgphy1: OUI 0x000818, model 0x0019, rev. 0
> brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> bge1: bpf attached
> bge1: Ethernet address: 00:14:c2:3d:e5:51
> ioapic1: routing intpin 2 (PCI IRQ 26) to lapic 0 vector 51
> bge1: [MPSAFE]
> bge1: [ITHREAD]
> bge1: link UP
> bge1: link state changed to UP
>
>
> > "pciconf -lcv".
>
[...]
> bge0@pci0:2:2:0: class=0x020000 card=0x00d00e11 chip=0x164814e4 rev=0x10 hdr=0x00
> vendor = 'Broadcom Corporation'
> device = 'NetXtreme Dual Gigabit Adapter (BCM5704)'
> class = network
> subclass = ethernet
> cap 07[40] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split transaction
> cap 01[48] = powerspec 2 supports D0 D3 current D0
> cap 03[50] = VPD
> cap 05[58] = MSI supports 8 messages, 64 bit
> bge1@pci0:2:2:1: class=0x020000 card=0x00d00e11 chip=0x164814e4 rev=0x10 hdr=0x00
> vendor = 'Broadcom Corporation'
> device = 'NetXtreme Dual Gigabit Adapter (BCM5704)'
> class = network
> subclass = ethernet
> cap 07[40] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split transaction
> cap 01[48] = powerspec 2 supports D0 D3 current D0
> cap 03[50] = VPD
> cap 05[58] = MSI supports 8 messages, 64 bit
I'm still not sure whether the panic is related with bge(4) but
there are a couple of missing workaround for PCIX BCM5704 silicon
bug in bge(4). Did you also see the panic before updating to
stable/8?
Anyway, try attached patch and let me know how it works.
[-- Attachment #2 --]
Index: sys/dev/bge/if_bge.c
===================================================================
--- sys/dev/bge/if_bge.c (revision 204011)
+++ sys/dev/bge/if_bge.c (working copy)
@@ -1342,6 +1342,7 @@
bge_chipinit(struct bge_softc *sc)
{
uint32_t dma_rw_ctl;
+ uint16_t val;
int i;
/* Set endianness before we access any non-PCI registers. */
@@ -1362,6 +1363,17 @@
i < BGE_STATUS_BLOCK_END + 1; i += sizeof(uint32_t))
BGE_MEMWIN_WRITE(sc, i, 0);
+ if (sc->bge_chiprev == BGE_CHIPREV_5704_BX) {
+ /*
+ * Fix data corruption casued by non-qword write with WB.
+ * Fix master abort in PCI mode.
+ * Fix PCI latency timer.
+ */
+ val = pci_read_config(sc->bge_dev, BGE_PCI_MSI_DATA + 2, 2);
+ val |= (1 << 10) | (1 << 12) | (1 << 13);
+ pci_write_config(sc->bge_dev, BGE_PCI_MSI_DATA + 2, val, 2);
+ }
+
/*
* Set up the PCI DMA control register.
*/
@@ -3157,6 +3169,26 @@
pci_write_config(dev, BGE_PCI_CMD, command, 4);
write_op(sc, BGE_MISC_CFG, BGE_32BITTIME_66MHZ);
+ /*
+ * Disable PCIX relaxed ordering to ensure status block update
+ * comes first than packet buffer DMA. Otherwise driver may
+ * read stale status block.
+ */
+ if (sc->bge_flags & BGE_FLAG_PCIX) {
+ devctl = pci_read_config(dev,
+ sc->bge_pcixcap + PCIXR_COMMAND, 2);
+ devctl &= ~PCIXM_COMMAND_ERO;
+ if (sc->bge_asicrev == BGE_ASICREV_BCM5703) {
+ devctl &= ~PCIXM_COMMAND_MAX_READ;
+ devctl |= PCIXM_COMMAND_MAX_READ_2048;
+ } else if (sc->bge_asicrev == BGE_ASICREV_BCM5704) {
+ devctl &= ~(PCIXM_COMMAND_MAX_SPLITS |
+ PCIXM_COMMAND_MAX_READ);
+ devctl |= PCIXM_COMMAND_MAX_READ_2048;
+ }
+ pci_write_config(dev, sc->bge_pcixcap + PCIXR_COMMAND,
+ devctl, 2);
+ }
/* Re-enable MSI, if neccesary, and enable the memory arbiter. */
if (BGE_IS_5714_FAMILY(sc)) {
/* This chip disables MSI on reset. */
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