From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Clark Subject: Re: panic in tg3 driver Date: Mon, 10 Jan 2011 15:04:34 -0500 Message-ID: <4D2B6652.7040607@earthlink.net> References: <4D2334B5.1060408@earthlink.net> <4D2A371A.40103@earthlink.net> <20110110192216.GA23741@mcarlson.broadcom.com> Reply-To: sclark46@earthlink.net Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Linux Kernel Network Developers , Michael Chan To: Matt Carlson Return-path: Received: from elasmtp-galgo.atl.sa.earthlink.net ([209.86.89.61]:44256 "EHLO elasmtp-galgo.atl.sa.earthlink.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754730Ab1AJVSP (ORCPT ); Mon, 10 Jan 2011 16:18:15 -0500 In-Reply-To: <20110110192216.GA23741@mcarlson.broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: On 01/10/2011 02:22 PM, Matt Carlson wrote: > On Sun, Jan 09, 2011 at 02:30:50PM -0800, Stephen Clark wrote: > >> 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@Z1010 ~]# modprobe tg3 >>> [root@Z1010 ~]# 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:[] 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: >>> [] ? tg3_tx+0x157/0x1a2 [tg3] >>> [] ? tg3_poll_work+0x2b/0x10b [tg3] >>> [] ? ssb_write32+0x11/0x14 [b44] >>> [] ? tg3_poll+0x34/0x9a [tg3] >>> [] ? net_rx_action+0x7e/0x11c >>> [] ? __do_softirq+0x85/0x10c >>> [] ? __do_softirq+0x0/0x10c >>> >>> [] ? _local_bh_enable_ip+0x68/0x87 >>> [] ? local_bh_enable_ip+0xd/0xf >>> [] ? __raw_spin_unlock_bh+0x1c/0x1e >>> [] ? _raw_spin_unlock_bh+0xd/0xf >>> [] ? spin_unlock_bh+0xd/0xf [tg3] >>> [] ? tg3_full_unlock+0x10/0x12 [tg3] >>> [] ? tg3_reset_task+0xd7/0xe3 [tg3] >>> [] ? process_one_work+0x10b/0x1bc >>> [] ? tg3_reset_task+0x0/0xe3 [tg3] >>> [] ? worker_thread+0x77/0xf9 >>> [] ? kthread+0x60/0x65 >>> [] ? worker_thread+0x0/0xf9 >>> [] ? kthread+0x0/0x65 >>> [] ? 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: [] 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: >>> [] panic+0x62/0x15d >>> [] oops_end+0x99/0xa8 >>> [] ? tg3_tx_recover+0x1e/0x53 [tg3] >>> [] 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@Z1010 ~]# 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@Z1010 ~]# cat /proc/interrupts |grep eth2 >> 10: 18388914 XT-PIC-XT-PIC uhci_hcd:usb2, eth0, eth2 >> [root@Z1010 ~]# 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." (Thomas Jefferson) >> > I think drivers/net/tg3.c:4365 is at the line that reads > "spin_lock(&tp->lock);" in tg3_tx_recover. Can you verify? > > tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2); in static void tg3_serdes_parallel_detect(struct tg3 *tp) The driver version is: #define DRV_MODULE_NAME "tg3" #define TG3_MAJ_NUM 3 #define TG3_MIN_NUM 115 -- "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." (Thomas Jefferson)