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Message-ID: <80769D7B14936844A23C0C43D9FBCF0F25AF9E9AA7@orsmsx501.amr.corp.intel.com> Date: Tue, 7 Sep 2010 09:03:20 -0700 From: "Duyck, Alexander H" <alexander.h.duyck@...el.com> To: Greg Trahair <Greg.Trahair@...tom.com> CC: Chris Leech <chris.leech@...il.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "e1000-devel@...ts.sourceforge.net" <e1000-devel@...ts.sourceforge.net>, "linux-net@...r.kernel.org" <linux-net@...r.kernel.org> Subject: RE: [BUG] __vlan_hwaccel_rx system call causes kernel panic It looks like the 2.1.9 driver did not have the fix. The patch that resolved this upstream is located at: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=31b24b955c3ebbb6f3008a6374e61cf7c05a193c Thanks, Alex >-----Original Message----- >From: Greg Trahair [mailto:Greg.Trahair@...tom.com] >Sent: Friday, September 03, 2010 3:47 PM >To: Duyck, Alexander H >Cc: Chris Leech; netdev@...r.kernel.org; e1000- >devel@...ts.sourceforge.net; linux-net@...r.kernel.org >Subject: Re: [BUG] __vlan_hwaccel_rx system call causes kernel panic > >Alex, > >The igb driver is 2.1.9, and I've compiled the 2.3.7 to test on >Monday. Can you confirm your fix was post 2.1.9 and I can get Citrix >to patch their kernel for their other customers. > >Thanks, >- Greg > >On 3 Sep 2010, at 18:14, "Duyck, Alexander H" ><alexander.h.duyck@...el.com> wrote: > >> Greg, >> >> What version of the igb driver are you using? The issue you are >describing sounds similar to an issue I fixed some time ago and my >concern is your driver may be out of date. You might try downloading >and installing the latest igb from e1000.sf.net and seeing if you >experience the same issue. >> >> Thanks, >> >> Alex >> >>> -----Original Message----- >>> From: netdev-owner@...r.kernel.org [mailto:netdev- >>> owner@...r.kernel.org] On Behalf Of Chris Leech >>> Sent: Thursday, September 02, 2010 4:29 PM >>> To: Greg Trahair; netdev@...r.kernel.org; e1000- >>> devel@...ts.sourceforge.net >>> Cc: linux-net@...r.kernel.org >>> Subject: [BUG] __vlan_hwaccel_rx system call causes kernel panic >>> >>> Greg, >>> >>> You'll probably get a better response for this sort of thing on >netdev >>> than linux-net. Also, because this involves an Intel network >driver, >>> e1000-devel might be able to help. >>> >>> - Chris >>> >>> Forwarded conversation >>> Subject: [BUG] __vlan_hwaccel_rx system call causes kernel panic >>> ------------------------ >>> >>> From: Greg Trahair <Greg.Trahair@...tom.com> >>> Date: Thu, Sep 2, 2010 at 1:17 AM >>> To: linux-net@...r.kernel.org >>> Cc: Sami Kerola <Sami.Kerola@...tom.com> >>> >>> >>> I have recently upgraded Citrix XenServer from 5.5 to 5.6 (from >>> 2.6.18-128.1.6.el5.xs5.5.0.505.1024xen to >>> 2.6.27.42-0.1.1.xs5.6.0.44.111158xen) and when the system either >>> brings up, or shuts down a vlan tagged interface, the below stack >>> trace appears and system halts. >>> >>> This problem is intermittent, it doesn't happen every time, but >it's >>> quite reliably reproducible by starting/stopping OS. >>> >>> >>> Shutting down interface eth4.443: BUG: unable to handle kernel >NULL >>> pointer dereference at 00000010 >>> IP: [<c0337695>] __vlan_hwaccel_rx+0x75/0x160 >>> Oops: 0000 [#1] SMP >>> last sysfs file: /sys/class/iscsi_session/session1/ifacename >>> Modules linked in: nfs nfs_acl lockd sunrpc 8021q bridge stp llc(N) >>> ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack xt_tcpudp >>> iptable_filter ip_tables x_tables binfmt_misc nls_utf8 isofs(N) >>> dm_mirror dm_log dm_mod sbs sbshc fan dock container battery ac >>> parport_pc lp parport nvram igb evdev(N) thermal button processor >>> thermal_sys bnx2 serio_raw zlib_inflate(N) rtc_cmos rtc_core >rtc_lib >>> 8250_pnp 8250 serial_core pcspkr ide_generic ide_disk mptsas >>> scsi_transport_sas mppVhba mptscsih mptbase mppUpper sg sd_mod >>> scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd usbcore fbcon(N) >font(N) >>> tileblit(N) bitblit(N) softcursor(N) [last unloaded: >>> scsi_transport_iscsi] >>> Supported: No >>> >>> Pid: 31322, comm: vconfig Tainted: G >>> (2.6.27.42-0.1.1.xs5.6.0.44.111158xen #1) >>> EIP: 0061:[<c0337695>] EFLAGS: 00010247 CPU: 0 >>> EIP is at __vlan_hwaccel_rx+0x75/0x160 >>> EAX: 00000000 EBX: eeb47c00 ECX: 0000013f EDX: 00000000 >>> ESI: 00000000 EDI: 0000013f EBP: eb9a7d6c ESP: eb9a7d5c >>> DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069 >>> Process vconfig (pid: 31322, ti=eb9a6000 task=eba3f030 >>> task.ti=eb9a6000) >>> Stack: 00000000 000000e6 eeb6a4c0 eeb47c00 eb9a7e48 f02ba946 >00000001 >>> 00000002 >>> c16bdb00 00000000 eac84900 00000002 00000942 00000000 >00000005 >>> 01025e93 >>> eb9a7db0 c01d002c eb0f4000 00000040 ee060dcc eced85c0 >eeb6a4c0 >>> ee060dc0 >>> Call Trace: >>> [<f02ba946>] ? igb_poll+0x8e6/0xc90 [igb] >>> [<c01d002c>] ? release_sysfs_dirent+0x1c/0xc0 >>> [<c0346ee5>] ? schedule_timeout+0x75/0xc0 >>> [<c025b715>] ? device_release+0x15/0x70 >>> [<c0346ce2>] ? wait_for_completion+0x12/0x20 >>> [<c02d44a5>] ? net_rx_action+0x165/0x250 >>> [<c012e322>] ? __do_softirq+0xb2/0x160 >>> [<c012e457>] ? do_softirq+0x87/0x90 >>> [<c012e77b>] ? irq_exit+0x3b/0x50 >>> [<c026d0ec>] ? evtchn_do_upcall+0x1dc/0x1f0 >>> [<c02c5620>] ? sock_ioctl+0x0/0x220 >>> [<c0105565>] ? hypervisor_callback+0x41/0x49 >>> [<c02c5620>] ? sock_ioctl+0x0/0x220 >>> [<f036fa79>] ? vlan_ioctl_handler+0xa9/0x390 [8021q] >>> [<c02c57d0>] ? sock_ioctl+0x1b0/0x220 >>> [<c02c5620>] ? sock_ioctl+0x0/0x220 >>> [<c0191458>] ? vfs_ioctl+0x28/0x80 >>> [<c0191507>] ? do_vfs_ioctl+0x57/0x290 >>> [<c02c74ff>] ? sys_socketcall+0x6f/0x290 >>> [<c0182bb9>] ? filp_close+0x49/0x70 >>> [<c01917a0>] ? sys_ioctl+0x60/0x70 >>> [<c01053ce>] ? syscall_call+0x7/0xb >>> ======================= >>> Code: 00 00 8d 74 26 00 0f b7 81 c6 00 00 00 a8 04 75 55 89 f9 8b >75 >>> f0 66 81 e1 ff 0f 89 c8 66 c1 e8 09 0f b7 c0 66 89 bb 88 00 00 00 ><8b> >>> 54 86 10 31 c0 85 d2 74 0a 89 c8 25 ff 01 00 00 8b 04 82 89 >>> EIP: [<c0337695>] __vlan_hwaccel_rx+0x75/0x160 SS:ESP 0069:eb9a7d5c >>> >>> -- >>> Greg Trahair | Lead System Engineer | TomTom >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux- >net" >>> in >>> the body of a message to majordomo@...r.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >>> ---------- >>> From: Greg Trahair <Greg.Trahair@...tom.com> >>> Date: Thu, Sep 2, 2010 at 2:43 AM >>> To: linux-net@...r.kernel.org >>> Cc: Sami Kerola <Sami.Kerola@...tom.com> >>> >>> >>> Oops, I forgot to include the hardware: >>> >>> 06:00.0 Ethernet controller: Intel Corporation 82576 Gigabit >Network >>> Connection (rev 01) >>> Subsystem: Intel Corporation Gigabit ET Quad Port Server >>> Adapter >>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >>> ParErr- Stepping- SERR- FastB2B- >>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >>TAbort- >>> <TAbort- <MAbort- >SERR- <PERR- >>> Latency: 0, Cache Line Size: 64 bytes >>> Interrupt: pin A routed to IRQ 47 >>> Region 0: Memory at ddfc0000 (32-bit, non-prefetchable) >>> [size=128K] >>> Region 1: Memory at de000000 (32-bit, non-prefetchable) >>> [size=4M] >>> Region 2: I/O ports at ecc0 [size=32] >>> Region 3: Memory at ddfb8000 (32-bit, non-prefetchable) >>> [size=16K] >>> Capabilities: [40] Power Management version 3 >>> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA >>> PME(D0+,D1-,D2-,D3hot+,D3cold+) >>> Status: D0 PME-Enable- DSel=0 DScale=1 PME- >>> Capabilities: [50] Message Signalled Interrupts: 64bit+ >>> Queue=0/0 Enable- >>> Address: 0000000000000000 Data: 0000 >>> Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10 >>> Vector table: BAR=3 offset=00000000 >>> PBA: BAR=3 offset=00002000 >>> Capabilities: [a0] Express Endpoint IRQ 0 >>> Device: Supported: MaxPayload 512 bytes, PhantFunc >0, >>> ExtTag- >>> Device: Latency L0s <512ns, L1 <64us >>> Device: AtnBtn- AtnInd- PwrInd- >>> Device: Errors: Correctable- Non-Fatal+ Fatal+ >>> Unsupported+ >>> Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ >>> Device: MaxPayload 256 bytes, MaxReadReq 512 bytes >>> Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s >L1, >>> Port 2 >>> Link: Latency L0s <4us, L1 <64us >>> Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch- >>> Link: Speed 2.5Gb/s, Width x4 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [140] Device Serial Number c0-57-55-ff-ff-21- >1b- >>> 00 >>> Capabilities: [150] Unknown (14) >>> Capabilities: [160] Unknown (16) >>> >>> 06:00.1 Ethernet controller: Intel Corporation 82576 Gigabit >Network >>> Connection (rev 01) >>> Subsystem: Intel Corporation Gigabit ET Quad Port Server >>> Adapter >>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >>> ParErr- Stepping- SERR- FastB2B- >>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >>TAbort- >>> <TAbort- <MAbort- >SERR- <PERR- >>> Latency: 0, Cache Line Size: 64 bytes >>> Interrupt: pin B routed to IRQ 46 >>> Region 0: Memory at ddfe0000 (32-bit, non-prefetchable) >>> [size=128K] >>> Region 1: Memory at de400000 (32-bit, non-prefetchable) >>> [size=4M] >>> Region 2: I/O ports at ece0 [size=32] >>> Region 3: Memory at ddfbc000 (32-bit, non-prefetchable) >>> [size=16K] >>> Capabilities: [40] Power Management version 3 >>> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA >>> PME(D0+,D1-,D2-,D3hot+,D3cold+) >>> Status: D0 PME-Enable- DSel=0 DScale=1 PME- >>> Capabilities: [50] Message Signalled Interrupts: 64bit+ >>> Queue=0/0 Enable- >>> Address: 0000000000000000 Data: 0000 >>> Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10 >>> Vector table: BAR=3 offset=00000000 >>> PBA: BAR=3 offset=00002000 >>> Capabilities: [a0] Express Endpoint IRQ 0 >>> Device: Supported: MaxPayload 512 bytes, PhantFunc >0, >>> ExtTag- >>> Device: Latency L0s <512ns, L1 <64us >>> Device: AtnBtn- AtnInd- PwrInd- >>> Device: Errors: Correctable- Non-Fatal+ Fatal+ >>> Unsupported+ >>> Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ >>> Device: MaxPayload 256 bytes, MaxReadReq 512 bytes >>> Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s >L1, >>> Port 2 >>> Link: Latency L0s <4us, L1 <64us >>> Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch- >>> Link: Speed 2.5Gb/s, Width x4 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [140] Device Serial Number c0-57-55-ff-ff-21- >1b- >>> 00 >>> Capabilities: [150] Unknown (14) >>> Capabilities: [160] Unknown (16) >>> >>> 07:00.0 Ethernet controller: Intel Corporation 82576 Gigabit >Network >>> Connection (rev 01) >>> Subsystem: Intel Corporation Gigabit ET Quad Port Server >>> Adapter >>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >>> ParErr- Stepping- SERR- FastB2B- >>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >>TAbort- >>> <TAbort- <MAbort- >SERR- <PERR- >>> Latency: 0, Cache Line Size: 64 bytes >>> Interrupt: pin A routed to IRQ 38 >>> Region 0: Memory at dd3c0000 (32-bit, non-prefetchable) >>> [size=128K] >>> Region 1: Memory at dd400000 (32-bit, non-prefetchable) >>> [size=4M] >>> Region 2: I/O ports at dcc0 [size=32] >>> Region 3: Memory at dd3b8000 (32-bit, non-prefetchable) >>> [size=16K] >>> Capabilities: [40] Power Management version 3 >>> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA >>> PME(D0+,D1-,D2-,D3hot+,D3cold-) >>> Status: D0 PME-Enable- DSel=0 DScale=1 PME- >>> Capabilities: [50] Message Signalled Interrupts: 64bit+ >>> Queue=0/0 Enable- >>> Address: 0000000000000000 Data: 0000 >>> Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10 >>> Vector table: BAR=3 offset=00000000 >>> PBA: BAR=3 offset=00002000 >>> Capabilities: [a0] Express Endpoint IRQ 0 >>> Device: Supported: MaxPayload 512 bytes, PhantFunc >0, >>> ExtTag- >>> Device: Latency L0s <512ns, L1 <64us >>> Device: AtnBtn- AtnInd- PwrInd- >>> Device: Errors: Correctable- Non-Fatal+ Fatal+ >>> Unsupported+ >>> Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ >>> Device: MaxPayload 256 bytes, MaxReadReq 512 bytes >>> Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s >L1, >>> Port 4 >>> Link: Latency L0s <4us, L1 <64us >>> Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch- >>> Link: Speed 2.5Gb/s, Width x4 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [140] Device Serial Number c4-57-55-ff-ff-21- >1b- >>> 00 >>> Capabilities: [150] Unknown (14) >>> Capabilities: [160] Unknown (16) >>> >>> 07:00.1 Ethernet controller: Intel Corporation 82576 Gigabit >Network >>> Connection (rev 01) >>> Subsystem: Intel Corporation Gigabit ET Quad Port Server >>> Adapter >>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >>> ParErr- Stepping- SERR- FastB2B- >>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >>TAbort- >>> <TAbort- <MAbort- >SERR- <PERR- >>> Latency: 0, Cache Line Size: 64 bytes >>> Interrupt: pin B routed to IRQ 45 >>> Region 0: Memory at dd3e0000 (32-bit, non-prefetchable) >>> [size=128K] >>> Region 1: Memory at dd800000 (32-bit, non-prefetchable) >>> [size=4M] >>> Region 2: I/O ports at dce0 [size=32] >>> Region 3: Memory at dd3bc000 (32-bit, non-prefetchable) >>> [size=16K] >>> Capabilities: [40] Power Management version 3 >>> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA >>> PME(D0+,D1-,D2-,D3hot+,D3cold-) >>> Status: D0 PME-Enable- DSel=0 DScale=1 PME- >>> Capabilities: [50] Message Signalled Interrupts: 64bit+ >>> Queue=0/0 Enable- >>> Address: 0000000000000000 Data: 0000 >>> Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10 >>> Vector table: BAR=3 offset=00000000 >>> PBA: BAR=3 offset=00002000 >>> Capabilities: [a0] Express Endpoint IRQ 0 >>> Device: Supported: MaxPayload 512 bytes, PhantFunc >0, >>> ExtTag- >>> Device: Latency L0s <512ns, L1 <64us >>> Device: AtnBtn- AtnInd- PwrInd- >>> Device: Errors: Correctable- Non-Fatal+ Fatal+ >>> Unsupported+ >>> Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ >>> Device: MaxPayload 256 bytes, MaxReadReq 512 bytes >>> Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s >L1, >>> Port 4 >>> Link: Latency L0s <4us, L1 <64us >>> Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch- >>> Link: Speed 2.5Gb/s, Width x4 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [140] Device Serial Number c4-57-55-ff-ff-21- >1b- >>> 00 >>> Capabilities: [150] Unknown (14) >>> Capabilities: [160] Unknown (16) >>> -- >>> 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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