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Date: Sun, 09 Jan 2011 17:30:50 -0500 From: Stephen Clark <sclark46@...thlink.net> To: Linux Kernel Network Developers <netdev@...r.kernel.org> CC: Michael Chan <mchan@...adcom.com>, Matt Carlson <mcarlson@...adcom.com> Subject: Re: panic in tg3 driver On 01/04/2011 09:54 AM, Stephen Clark wrote: > Hello, > > > The hardware is an Acrosser AR-M0898B micro box. > lspci > 00:00.0 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro > Host Bridge > 00:00.1 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro > Host Bridge > 00:00.2 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro > Host Bridge > 00:00.3 Host bridge: VIA Technologies, Inc. PT890 Host Bridge > 00:00.4 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro > Host Bridge > 00:00.7 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro > Host Bridge > 00:01.0 PCI bridge: VIA Technologies, Inc. VT8237/VX700 PCI Bridge > 00:0f.0 IDE interface: VIA Technologies, Inc. VT8251 Serial ATA > Controller (rev > 20) > 00:0f.1 IDE interface: VIA Technologies, Inc. > VT82C586A/B/VT82C686/A/B/VT823x/A/ > C PIPC Bus Master IDE (rev 07) > 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 > Controller > (rev 91) > 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 > Controller > (rev 91) > 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 > Controller > (rev 91) > 00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 > Controller > (rev 91) > 00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 90) > 00:11.0 ISA bridge: VIA Technologies, Inc. VT8251 PCI to ISA Bridge > 00:11.7 Host bridge: VIA Technologies, Inc. VT8251 Ultra VLINK Controller > 00:13.0 Host bridge: VIA Technologies, Inc. VT8251 Host Bridge > 00:13.1 PCI bridge: VIA Technologies, Inc. VT8251 PCI to PCI Bridge > 02:08.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T > (rev 02) > 02:09.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T > (rev 02) > 80:00.0 PCI bridge: VIA Technologies, Inc. VT8251 PCIE Root Port > 80:00.1 PCI bridge: VIA Technologies, Inc. VT8251 PCIE Root Port > 81:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M > Fast Ethernet > PCI Express (rev 02) > 82:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M > Fast Ethernet > PCI Express (rev 02) > > Kernel 2.6.36-2.el5.elrepo on an i686 > > When I try to ifconfig either of the BCM5906M ports the system panics. > > Ideas, fixes ? > > [root@...10 ~]# modprobe tg3 > [root@...10 ~]# ifconfig eth2 2.2.2.2/24 > ------------[ cut here ]------------ > kernel BUG at drivers/net/tg3.c:4365! > invalid opcode: 0000 [#1] PREEMPT SMP > last sysfs file: /sys/class/net/eth3/address > Modules linked in: tg3 xt_tcpudp ipt_LOG xt_limit xt_state > iptable_mangle af_ke] > > Pid: 20303, comm: kworker/0:2 Not tainted 2.6.36-2.el5.elrepo #1 > CN700-8251/ > EIP: 0060:[<e1c62f19>] EFLAGS: 00010202 CPU: 0 > EIP is at tg3_tx_recover+0x1e/0x53 [tg3] > EAX: deece4c0 EBX: dfa9c000 ECX: deece4c0 EDX: ffffffff > ESI: deece4c0 EDI: deece500 EBP: c1801f38 ESP: c1801f30 > DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > Process kworker/0:2 (pid: 20303, ti=c1801000 task=df0105d0 > task.ti=dee62000) > Stack: > dfa9c000 00000000 c1801f6c e1c630be c1801f6c deece4c0 00000840 00000000 > <0> df251cc0 00000005 00000000 df979800 deece500 deece4c0 00000040 > c1801f94 > <0> e1c661e5 00000000 00000040 c1801f88 e09df1d2 00000000 deece500 > dfab4000 > Call Trace: > [<e1c630be>] ? tg3_tx+0x157/0x1a2 [tg3] > [<e1c661e5>] ? tg3_poll_work+0x2b/0x10b [tg3] > [<e09df1d2>] ? ssb_write32+0x11/0x14 [b44] > [<e1c662f9>] ? tg3_poll+0x34/0x9a [tg3] > [<c0674058>] ? net_rx_action+0x7e/0x11c > [<c04409c9>] ? __do_softirq+0x85/0x10c > [<c0440944>] ? __do_softirq+0x0/0x10c > <IRQ> > [<c04404ef>] ? _local_bh_enable_ip+0x68/0x87 > [<c044051b>] ? local_bh_enable_ip+0xd/0xf > [<c046593b>] ? __raw_spin_unlock_bh+0x1c/0x1e > [<c06fa4f2>] ? _raw_spin_unlock_bh+0xd/0xf > [<e1c6281f>] ? spin_unlock_bh+0xd/0xf [tg3] > [<e1c62cbe>] ? tg3_full_unlock+0x10/0x12 [tg3] > [<e1c664c7>] ? tg3_reset_task+0xd7/0xe3 [tg3] > [<c044ec37>] ? process_one_work+0x10b/0x1bc > [<e1c663f0>] ? tg3_reset_task+0x0/0xe3 [tg3] > [<c044fd41>] ? worker_thread+0x77/0xf9 > [<c0453048>] ? kthread+0x60/0x65 > [<c044fcca>] ? worker_thread+0x0/0xf9 > [<c0452fe8>] ? kthread+0x0/0x65 > [<c040337e>] ? kernel_thread_helper+0x6/0x10 > Code: f0 e8 88 ff ff ff 8d 65 f8 5b 5e 5d c3 55 89 e5 56 53 0f 1f 44 > 00 00 f6 8 > EIP: [<e1c62f19>] tg3_tx_recover+0x1e/0x53 [tg3] SS:ESP 0068:c1801f30 > ---[ end trace 82381e9b93e397ad ]--- > Kernel panic - not syncing: Fatal exception in interrupt > Pid: 20303, comm: kworker/0:2 Tainted: G D > 2.6.36-2.el5.elrepo #1 > Call Trace: > [<c043b3cd>] panic+0x62/0x15d > [<c06fb7d1>] oops_end+0x99/0xa8 > [<e1c62f19>] ? tg3_tx_recover+0x1e/0x53 [tg3] > [<c0405a62>] die+0x58/0x5e > > Thanks, > Steve > Additonal info I compiled the latest kernel 2.6.37-rc8+ and still have the problem. Also boot with noapic I see this in the dmesg log and interrupts are increasing like crazy: tg3.c:v3.115 (October 14, 2010) tg3 0000:81:00.0: PCI INT A -> Link[LNKA] -> GSI 10 (level, low) -> IRQ 10 tg3 0000:81:00.0: setting latency timer to 64 tg3 0000:81:00.0: PCI: Disallowing DAC for device tg3 0000:81:00.0: eth2: Tigon3 [partno(BCM95906) rev c002] (PCI Express) MAC add ress 00:02:b6:36:d1:39 tg3 0000:81:00.0: eth2: attached PHY is 5906 (10/100Base-TX Ethernet) (WireSpeed [0]) tg3 0000:81:00.0: eth2: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1] tg3 0000:81:00.0: eth2: dma_rwctrl[76180000] dma_mask[32-bit] tg3 0000:82:00.0: PCI INT A -> Link[LNKA] -> GSI 10 (level, low) -> IRQ 10 tg3 0000:82:00.0: setting latency timer to 64 tg3 0000:82:00.0: PCI: Disallowing DAC for device tg3 0000:82:00.0: eth3: Tigon3 [partno(BCM95906) rev c002] (PCI Express) MAC add ress 00:02:b6:36:d1:3a tg3 0000:82:00.0: eth3: attached PHY is 5906 (10/100Base-TX Ethernet) (WireSpeed [0]) tg3 0000:82:00.0: eth3: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1] tg3 0000:82:00.0: eth3: dma_rwctrl[76180000] dma_mask[32-bit] tg3 0000:81:00.0: irq 40 for MSI/MSI-X tg3 0000:81:00.0: eth2: No interrupt was generated using MSI. Switching to INTx mode. Please report this failure to the PCI maintainer and include system chipse t information ADDRCONF(NETDEV_UP): eth2: link is not ready [root@...10 ~]# cat /proc/interrupts CPU0 0: 162 XT-PIC-XT-PIC timer 1: 2 XT-PIC-XT-PIC i8042 2: 0 XT-PIC-XT-PIC cascade 3: 1 XT-PIC-XT-PIC 4: 4863 XT-PIC-XT-PIC serial 6: 2 XT-PIC-XT-PIC floppy 7: 5 XT-PIC-XT-PIC ehci_hcd:usb1, uhci_hcd:usb3 8: 0 XT-PIC-XT-PIC rtc0 9: 0 XT-PIC-XT-PIC acpi 10: 2334234 XT-PIC-XT-PIC uhci_hcd:usb2, eth0, eth2 [root@...10 ~]# cat /proc/interrupts |grep eth2 10: 18388914 XT-PIC-XT-PIC uhci_hcd:usb2, eth0, eth2 [root@...10 ~]# cat /proc/interrupts |grep eth2 10: 18901627 XT-PIC-XT-PIC uhci_hcd:usb2, eth0, eth2 -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." 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