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Message-ID: <20101022140136.141634lkqh3y9b7k@hayate.sektori.org> Date: Fri, 22 Oct 2010 14:01:36 +0300 From: "Jussi Kivilinna" <jussi.kivilinna@...et.fi> To: "Brandeburg, Jesse" <jesse.brandeburg@...el.com> Cc: "Nikola Ciprich" <extmaillist@...uxbox.cz>, "Tantilov, Emil S" <emil.s.tantilov@...el.com>, "linux-net maillist" <linux-net@...r.kernel.org>, "e1000-devel list" <e1000-devel@...ts.sourceforge.net>, "nikola.ciprich@...uxbox.cz" <nikola.ciprich@...uxbox.cz>, "Linux kernel list" <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org Subject: Re: [E1000-devel] 2.6.36-rc7-git2 - panic/GPF: e1000e/vlans? Hello! I seem to have same problem but with r8169 device: 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03) Subsystem: ASUSTeK Computer Inc. Device 83a3 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 40 Region 0: I/O ports at e800 [size=256] Region 2: Memory at f8fff000 (64-bit, prefetchable) [size=4K] Region 4: Memory at f8ff8000 (64-bit, prefetchable) [size=16K] Expansion ROM at febf0000 [disabled] [size=64K] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+ Address: 00000000fee0100c Data: 4161 Capabilities: [70] Express (v2) Endpoint, MSI 01 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 4096 bytes DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <512ns, L1 <64us ClockPM+ Suprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- Capabilities: [ac] MSI-X: Enable- Mask- TabSize=4 Vector table: BAR=4 offset=00000000 PBA: BAR=4 offset=00000800 Capabilities: [cc] Vital Product Data <?> Capabilities: [100] Advanced Error Reporting <?> Capabilities: [140] Virtual Channel <?> Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00 Kernel driver in use: r8169 Kernel modules: r8169 When I tried to boot, computer freezes at vlan_hwaccel_do_receive (gpf), with computer completely frozen and not responding to sysrq. With quick search I found this thread and figured problem must be in shared hardware vlan acceleration code. So I disabled vlan hwaccel in r8169 driver (CONFIG_R8169_VLAN=n) and got computer booting ok. Network is set up with two VLANs and two bridges: bridge name bridge id STP enabled interfaces br0 8000.xxxxxxxxxxxx no dummy0 dummy2 dummy4 dummy6 eth0.0000 wanbr0 8000.yyyyyyyyyyyy no dummy1 dummy3 eth0.0009 -Jussi Quoting "Brandeburg, Jesse" <jesse.brandeburg@...el.com>: > > Adding netdev... beware the top post ordering in the thread. > > On Thu, 21 Oct 2010, Nikola Ciprich wrote: > >> Ok, here're the steps to reproduce the problem: >> >> ip link set up dev eth0 >> vconfig add eth0 10 >> ip link set up dev eth0.10 >> brctl addbr brtest >> # to bylo ok, sundá to až: >> brctl add brtest eth0.10 >> >> last command causes panic in few seconds.. >> >> Interesting thing is that it're reproducible only for eth0, not for >> eth1 (both are onboard 80003ES2LAN) >> >> here's the lspci for those: >> 06:00.0 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit >> Ethernet Controller (Copper) (rev 01) >> Subsystem: Super Micro Computer Inc Unknown device 0000 >> Flags: bus master, fast devsel, latency 0, IRQ 65 >> Memory at d8300000 (32-bit, non-prefetchable) [size=128K] >> I/O ports at 3000 [size=32] >> Capabilities: [c8] Power Management version 2 >> Capabilities: [d0] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable+ >> Capabilities: [e0] Express Endpoint IRQ 0 >> Capabilities: [100] Advanced Error Reporting >> Capabilities: [140] Device Serial Number 5a-19-34-ff-ff-48-30-00 >> >> 06:00.1 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit >> Ethernet Controller (Copper) (rev 01) >> Subsystem: Super Micro Computer Inc Unknown device 0000 >> Flags: bus master, fast devsel, latency 0, IRQ 66 >> Memory at d8320000 (32-bit, non-prefetchable) [size=128K] >> I/O ports at 3020 [size=32] >> Capabilities: [c8] Power Management version 2 >> Capabilities: [d0] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable+ >> Capabilities: [e0] Express Endpoint IRQ 0 >> Capabilities: [100] Advanced Error Reporting >> Capabilities: [140] Device Serial Number 5a-19-34-ff-ff-48-30-00 >> >> last but not least, I've done bisect and it leads to: >> commit ae878ae280bea286ff2b1e1cb6e609dd8cb4501d >> Author: Maciej Żenczykowski <maze@...gle.com> >> Date: Sun Oct 3 14:49:00 2010 -0700 >> >> >> net: Fix IPv6 PMTU disc. w/ >> asymmetric routes >> >> doesn't seem to me to be related at all, but reverting really seems >> to fix the problem for me.. >> I hope it helps.. >> with best regards >> nik >> >> >> >> On Wed, Oct 20, 2010 at 06:36:59PM +0200, Nikola Ciprich wrote: >> > so unfortunately I have to take back what I just wrote :( >> > the problem still persists, it just seems to be more random >> > so I'll try to separate the exact command that causes the panic.. >> > n. >> > >> > On Wed, Oct 20, 2010 at 04:46:40PM +0200, Nikola Ciprich wrote: >> > > Hello Emil, >> > > >> > > I tried it now, I can still 100% reproduce with 2.6.36-rc7-git2, but >> > > with 2.6.36-rc8-git5 it works OK. So it certainly got fixed in >> the meantime! >> > > I'll therefore close the bug in BZ. >> > > >> > > have a nice day! >> > > >> > > best regards >> > > >> > > nik >> > > >> > > >> > > On Fri, Oct 15, 2010 at 10:58:15AM -0600, Tantilov, Emil S wrote: >> > > > >-----Original Message----- >> > > > >From: Nikola Ciprich [mailto:extmaillist@...uxbox.cz] >> > > > >Sent: Wednesday, October 13, 2010 10:23 PM >> > > > >To: Linux kernel list; linux-net maillist; e1000-devel list >> > > > >Cc: nikola.ciprich@...uxbox.cz >> > > > >Subject: [E1000-devel] 2.6.36-rc7-git2 - panic/GPF: e1000e/vlans? >> > > > > >> > > > >Hi, >> > > > >when I try to boot 2.6.36-rc7-git2 on one of my machines, it >> crashes while >> > > > >setting up the network. >> > > > >> > > > Thanks for letting us know! >> > > > >> > > > >The setup is quite complex, with bonding, lots of vlans and 3 intel >> > > > >adapters (system is quad x86_64) >> > > > >> > > > Could you provide more details about the exact setup and the >> sequence of >> > > > commands that lead to the crash? If you can narrow it down to >> the actual >> > > > command that caused the crash that would be very helpful. >> > > > >> > > > Also - are you testing from Linus or net-next tree? If you >> are not using >> > > > net-next, could you give it a try and see if you can >> reproduce it there? >> > > > >> > > > > >> > > > >snip of lspci: >> > > > >06:00.0 Ethernet controller: Intel Corporation 80003ES2LAN >> Gigabit Ethernet >> > > > >Controller (Copper) (rev 01) >> > > > >06:00.1 Ethernet controller: Intel Corporation 80003ES2LAN >> Gigabit Ethernet >> > > > >Controller (Copper) (rev 01) >> > > > >09:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network >> > > > >Connection >> > > > >> > > > Could you provide the output of lspci -vvv and a kernel config? > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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