| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 2 Oct 2007 16:12:17 +0200
From: Mirko Parthey <mirko.parthey@...ormatik.tu-chemnitz.de>
To: netdev@...r.kernel.org
Subject: PROBLEM: system freezes on starting a sky2 + ne2k-pci bridge
On a machine running Debian testing, I get complete lockups
(Num lock LED not responding anymore)
when I try to use the network in the following configuration:
eth0: Marvell 8056 Gigabit LAN Controller, sky2 driver;
the driver reports: Yukon EC Ultra (0xb4) rev 2
eth1: Compex ReadyLink 2000 (BNC+TP), ne2k-pci driver
br0: bridge comprising eth0 and eth1
Kernel versions tried (all of them show this problem):
- linux-image-2.6.18-5-amd64 (Debian etch)
- linux-image-2.6.22-2-amd64 (Debian testing)
- plain kernel.org 2.6.23-rc8-git4 (with allmodconfig and ATKBD=y)
The 2.6.18 kernel sometimes prints
Losing some ticks ... checking if CPU frequency changed.
Your time source seems to be instable or some driver is hogging
interrupts.
rip __do_softirq + 0x53/0xd5
before freezing.
The lockups can be reproduced fairly reliably as follows:
- power cycle the machine (shutdown with ACPI power off suffices,
no need to use the switch on the power supply)
- switch to runlevel 1 (optional)
- eth0: has a gigabit link partner
- eth1: network cable disconnected
(the driver will complain: Tx timed out, cable problem?)
- run the Debian-specific command
$ ifup br0
to start the bridge and its member interfaces
br0 is configured in /etc/network/interfaces as follows:
iface br0 inet static
address 192.168.1.17
netmask 255.255.255.0
broadcast 192.168.1.255
gateway 192.168.1.99
bridge_ports eth0 eth1
bridge_stp off
bridge_fd 1
The lockup will occur while br0 is being brought up,
or soon afterwards. If the system doesn't freeze within a minute,
I can transfer hundreds of MB of data without problems. For further
attempts at reproducing the problem, I then need to power cycle.
The Debian command "ifup br0" essentially does the following:
brctl addbr br0
brctl addif br0 eth0
ifconfig eth0 0.0.0.0 up
# sleep 2
brctl addif br0 eth1
ifconfig eth1 0.0.0.0 up
# sleep 2
brctl setfd br0 1
brctl stp br0 off
ifconfig br0 0.0.0.0 up
# sleep 2
ifconfig br0 192.168.1.17 netmask 255.255.255.0 broadcast 192.168.1.255 up
# sleep 2
route add default gw 192.168.1.99 br0
After adding the sleep commands, I could reproduce the problem
with the above shell script (without using Debian-specific commands),
although less reliably than with "ifup br0".
Finally some environment information. Please let me know if you need further
information, or if I should do further experiments.
# lspci
00:00.0 Host bridge: Intel Corporation P965/G965 Memory Controller Hub (rev 02)
00:01.0 PCI bridge: Intel Corporation P965/G965 PCI Express Root Port (rev 02)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE Controller (rev 02)
01:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60 [Radeon X300 (PCIE)]
01:00.1 Display controller: ATI Technologies Inc RV370 [Radeon X300SE]
03:00.0 SATA controller: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02)
03:00.1 IDE interface: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02)
04:00.0 Ethernet controller: Marvell Technology Group Ltd. Unknown device 4364 (rev 12)
05:00.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 02)
05:00.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 02)
05:01.0 Ethernet controller: Compex ReadyLink 2000 (rev 0a)
# lspci -s 4:0 -vvv
04:00.0 Ethernet controller: Marvell Technology Group Ltd. Unknown device 4364 (rev 12)
Subsystem: Giga-byte Technology Unknown device e000
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: 32 bytes
Interrupt: pin A routed to IRQ 58
Region 0: Memory at ef000000 (64-bit, non-prefetchable) [size=16K]
Region 2: I/O ports at 8000 [size=256]
[virtual] Expansion ROM at 80000000 [disabled] [size=128K]
Capabilities: [48] 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] Vital Product Data
Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
Address: 00000000fee00000 Data: 403a
Capabilities: [e0] Express Legacy Endpoint IRQ 0
Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s unlimited, L1 unlimited
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
Device: MaxPayload 128 bytes, MaxReadReq 512 bytes
Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s L1, Port 0
Link: Latency L0s <256ns, L1 unlimited
Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x1
Capabilities: [100] Advanced Error Reporting
# lspci -s 5:1 -vvv
05:01.0 Ethernet controller: Compex ReadyLink 2000 (rev 0a)
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 177
Region 0: I/O ports at 9000 [size=32]
[virtual] Expansion ROM at f1108000 [disabled] [size=32K]
Regards,
Mirko
-
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
Powered by blists - more mailing lists