Here is original report. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/670955 I hope attached file has enough information. It has a trace.
Created attachment 36482 [details] dmesg containing trace
(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Fri, 5 Nov 2010 23:14:21 GMT bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=22142 > > Summary: skge module doesn't work in 2.6.37-rc1 > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.37-rc1 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Network > AssignedTo: drivers_network@kernel-bugs.osdl.org > ReportedBy: jtmettala@gmail.com > Regression: Yes > > > Here is original report. > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/670955 > > I hope attached file has enough information. It has a trace. > skge_devinit() did a nearly-NULL deref. [ 8.521324] Intel ICH 0000:00:1f.5: PCI INT B -> GSI 17 (level, low) -> IRQ 17 [ 8.521384] Intel ICH 0000:00:1f.5: setting latency timer to 64 [ 8.683032] skge 0000:02:05.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 [ 8.683091] skge: 1.13 addr 0xfbffc000 irq 22 chip Yukon-Lite rev 7 [ 8.696044] BUG: unable to handle kernel NULL pointer dereference at 00000008 [ 8.696162] IP: [<f800a215>] skge_devinit+0x1a5/0x210 [skge] [ 8.696246] *pde = 00000000 [ 8.696320] Oops: 0002 [#1] SMP [ 8.696425] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/input/input4/mouse1/uevent [ 8.696478] Modules linked in: skge(+) i2c_algo_bit joydev snd_mpu401 snd_mpu401_uart snd_seq_midi snd_intel8x0(+) usbhid hid snd_ac97_codec snd_rawmidi snd_seq_midi_event snd_seq ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc snd ppdev firewire_sbp2 shpchp parport_pc asus_atk0110 firewire_core floppy crc_itu_t ns558 soundcore gameport psmouse serio_raw lp parport [ 8.697688] [ 8.697730] Pid: 329, comm: modprobe Not tainted 2.6.37-2-generic #9-Ubuntu P5P800/To Be Filled By O.E.M. [ 8.697783] EIP: 0060:[<f800a215>] EFLAGS: 00010246 CPU: 0 [ 8.697829] EIP is at skge_devinit+0x1a5/0x210 [skge] [ 8.697872] EAX: 00000000 EBX: f5fbb000 ECX: 00000000 EDX: 00000000 [ 8.697916] ESI: f5fbb440 EDI: f5f68300 EBP: f5ff5dfc ESP: f5ff5de4 [ 8.697960] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 8.698004] Process modprobe (pid: 329, ti=f5ff4000 task=f5880000 task.ti=f5ff4000) [ 8.698054] Stack: [ 8.698093] 00000040 f5f68300 00000000 f6581000 00000000 f5f68300 f5ff5e3c f800f789 [ 8.698400] f800fdd4 f800febd fbffc000 00000000 00000016 f8010131 00000007 c0423af5 [ 8.698706] 00000292 00000001 f5f68344 f6581000 f5ff5e5c f6581060 f5ff5e54 c0388937 [ 8.699012] Call Trace: [ 8.699059] [<f800f789>] ? skge_probe+0x284/0x41b [skge] [ 8.699108] [<c0423af5>] ? pm_runtime_enable+0x45/0x70 [ 8.699155] [<c0388937>] ? local_pci_probe+0x47/0xb0 [ 8.699201] [<c0389e18>] ? pci_device_probe+0x68/0x90 [ 8.699247] [<c041cb6d>] ? really_probe+0x4d/0x150 [ 8.699292] [<c0424fab>] ? pm_runtime_barrier+0x4b/0xb0 [ 8.699337] [<c041ce0c>] ? driver_probe_device+0x3c/0x60 [ 8.699383] [<c041ceb1>] ? __driver_attach+0x81/0x90 [ 8.699428] [<c041ce30>] ? __driver_attach+0x0/0x90 [ 8.699473] [<c041be98>] ? bus_for_each_dev+0x48/0x70 [ 8.699518] [<c041ca1e>] ? driver_attach+0x1e/0x20 [ 8.699562] [<c041ce30>] ? __driver_attach+0x0/0x90 [ 8.699606] [<c041c5d1>] ? bus_add_driver+0xc1/0x2c0 [ 8.699652] [<c03897c0>] ? pci_device_remove+0x0/0xf0 [ 8.699697] [<c041d0f6>] ? driver_register+0x66/0x110 [ 8.699742] [<c04fd807>] ? dmi_matches+0x47/0xb0 [ 8.699787] [<c0388ed5>] ? __pci_register_driver+0x45/0xb0 [ 8.699834] [<f802102f>] ? skge_init_module+0x2f/0x31 [skge] [ 8.699880] [<c0101255>] ? do_one_initcall+0x35/0x170 [ 8.699927] [<f8021000>] ? skge_init_module+0x0/0x31 [skge] [ 8.699973] [<c018807b>] ? sys_init_module+0x9b/0x1e0 [ 8.700012] [<c02252a2>] ? sys_write+0x42/0x70 [ 8.700012] [<c010309f>] ? sysenter_do_call+0x12/0x28 [ 8.700012] Code: 40 04 66 89 42 04 0f b6 8b 21 01 00 00 8d 83 00 01 00 00 8b 93 78 01 00 00 e8 c8 a9 36 c8 89 d8 e8 b1 57 52 c8 8b 83 00 02 00 00 <f0> 80 48 08 01 83 c4 0c 89 d8 5b 5e 5f 5d c3 8d 74 26 00 31 d2 [ 8.700012] EIP: [<f800a215>] skge_devinit+0x1a5/0x210 [skge] SS:ESP 0068:f5ff5de4 [ 8.700012] CR2: 0000000000000008 [ 8.702518] ---[ end trace 997185377b275fcf ]---
From: Andrew Morton <akpm@linux-foundation.org> Date: Mon, 8 Nov 2010 15:43:06 -0800 > skge_devinit() did a nearly-NULL deref. Fixed in net-2.6: -------------------- skge: Remove tx queue stopping in skge_devinit() After e6484930d7c73d324bccda7d43d131088da697b9: net: allocate tx queues in register_netdevice It causes an Oops at skge_probe() time. Signed-off-by: Guillaume Chazarain <guichaz@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/net/skge.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/net/skge.c b/drivers/net/skge.c index bfec2e0..220e039 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -3858,7 +3858,6 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port, /* device is off until link detection */ netif_carrier_off(dev); - netif_stop_queue(dev); return dev; }
This probably needs to go to stable 2.6.36...
Fixed by commit 63f4e1903ae41b4e457dd4490afe0f59e7641ad6 .