* Can I make ipv6 module inactive at my pentaval driver?
@ 2006-06-21 5:41 SangOg Na
0 siblings, 0 replies; only message in thread
From: SangOg Na @ 2006-06-21 5:41 UTC (permalink / raw)
To: netdev
[-- Attachment #1: Type: text/plain, Size: 1255 bytes --]
Hi!
I'm working for pentamedia in Korea.
My company makes one-way satellite receiver card whose name is pentavalue.
Pentavalue cards receive DVB-S packets and extract IP packets and
push them into TCP/IP stack.
pentavalue driver works in linux kernel 2.4.20.
I'm porting pentavalue driver to 2.6.17 kernel, but reference count problem
occurs.
There is no code updating reference count in driver source.
I insert debug code in kernel source at dev_put and dev_hold
in include/linux/netdevice.h file.
static inline void dev_put(struct net_device *dev)
{
atomic_dec(&dev->refcnt);
+ if (*(dev)->name=='p') {
+ printk("-%s- %d\n",dev->name,atomic_read(&dev->refcnt));
+ dump_stack();
+ }
}
static inline void dev_hold(struct net_device *dev)
{
atomic_inc(&dev->refcnt);
+ if (*(dev)->name=='p') {
+ printk("+%s+ %d\n",dev->name,atomic_read(&dev->refcnt));
+ dump_stack();
+ }
}
I found ipv6 module notifier increase refcnt and not decrease refcnt.
refcnt increases by 3 when the device opens and closes using ifconfig.
I modified driver source for enabling rmmod by setting refcnt to 4 before
cleanup module.
I will attach command log file.
[-- Attachment #2: pentaval.log --]
[-- Type: application/octet-stream, Size: 15883 bytes --]
# modprobe pentaval
# dmesg -c
PentaVal_init_one: [bus:0x0,device:0x8,function:0x0]
PentaVal_init_one: [vender/device/subvendor/subdevice:0x109e,0x036e,0x15c8,0x0133]
PentaVal_init_board: MMIO region size:start 0xF7FFF000-> 0xF7FFFFFF,len:0x1000
ACPI: PCI Interrupt 0000:00:08.0[A] -> GSI 16 (level, low) -> IRQ 20
PentaVal_init_board: Physical MMIO region start 0xF7FFF000
PentaVal_init_board: Virtual MMIO region start 0xDE87E000
PentaVal_init_one: PCI FN0 Physical start:0xF7FFF000
PentaVal_init_one: PCI FN0 Virtual start:0xDE87E000
PentaVal_init_one: [bus:0x0,device:0x8,function:0x1]
PentaVal_init_one: [vender/device/subvendor/subdevice:0x109e,0x0878,0x15c8,0x0133]
PentaVal_init_board: MMIO region size:start 0xF7FFE000-> 0xF7FFEFFF,len:0x1000
ACPI: PCI Interrupt 0000:00:08.1[A] -> GSI 16 (level, low) -> IRQ 20
PentaVal_init_board: Physical MMIO region start 0xF7FFE000
PentaVal_init_board: Virtual MMIO region start 0xDEC24000
PentaVal_init_one: PCI FN1 Physical start:0xF7FFE000
PentaVal_init_one: PCI FN1 Virtual start:0xDEC24000
+pentaval0+ 1
<c035d577> alloc_divert_blk+0x6b/0x6f <c035560f> register_netdevice+0x67/0x2b5
<c03558b8> register_netdev+0x5b/0x68 <ded805d8> PentaVal_init_one+0x26d/0x30f [pentaval]
<c01cca22> pci_call_probe+0xf/0x12 <c01cca58> __pci_device_probe+0x33/0x47
<c01cca8b> pci_device_probe+0x1f/0x34 <c021ce2e> driver_probe_device+0x43/0x9c
<c021cee7> __driver_attach+0x0/0x5c <c021cf1e> __driver_attach+0x37/0x5c
<c021c57d> bus_for_each_dev+0x46/0x6c <c01c5225> kobject_add+0x94/0xb3
<c021cf57> driver_attach+0x14/0x18 <c021cee7> __driver_attach+0x0/0x5c
<c021c992> bus_add_driver+0x54/0x84 <c021d33d> driver_register+0x7b/0x80
<c01ccc46> __pci_register_driver+0x3e/0x4f <c011d80d> blocking_notifier_call_chain+0x20/0x37
<de82c00f> PentaVal_init_module+0xf/0x12 [pentaval] <c0127ca4> sys_init_module+0x89/0x13d
<c0102487> syscall_call+0x7/0xb
+pentaval0+ 2
<c0355830> register_netdevice+0x288/0x2b5 <c03558b8> register_netdev+0x5b/0x68
<ded805d8> PentaVal_init_one+0x26d/0x30f [pentaval] <c01cca22> pci_call_probe+0xf/0x12
<c01cca58> __pci_device_probe+0x33/0x47 <c01cca8b> pci_device_probe+0x1f/0x34
<c021ce2e> driver_probe_device+0x43/0x9c <c021cee7> __driver_attach+0x0/0x5c
<c021cf1e> __driver_attach+0x37/0x5c <c021c57d> bus_for_each_dev+0x46/0x6c
<c01c5225> kobject_add+0x94/0xb3 <c021cf57> driver_attach+0x14/0x18
<c021cee7> __driver_attach+0x0/0x5c <c021c992> bus_add_driver+0x54/0x84
<c021d33d> driver_register+0x7b/0x80 <c01ccc46> __pci_register_driver+0x3e/0x4f
<c011d80d> blocking_notifier_call_chain+0x20/0x37 <de82c00f> PentaVal_init_module+0xf/0x12 [pentaval]
<c0127ca4> sys_init_module+0x89/0x13d <c0102487> syscall_call+0x7/0xb
-> www.pentamedia.com/english/products/penta-value.htm
Pentamedia Satellite Data Broadcast Receiver PCI Pent@VALUE(#1)
pentaval0: at 0xf7fff000 0xf7ffe000 IRQ 20
pentaval0: vendor 0x109e device 0x878
pentaval0: subsystem 0x15c8 subsystem vendor 0x133
pentaval0: ver 2.1.10 release date 2002/11/11
# ifconfig pentaval0 up
# dmesg -c
#nso:2
PentaVal_open: pentaval0: Starting up Pent@VALUE card (card idx = 0)
#nso:2
+pentaval0+ 3
<c0361b8e> qdisc_alloc+0xa8/0xc2 <ded82e13> HWP_SetMultiCast+0xe5/0xf3 [pentaval]
<ded81046> PentaVal_set_rx_mode+0x0/0xa1 [pentaval] <c0361bb8> qdisc_create_dflt+0x10/0x3e
<c0361df9> dev_activate+0x26/0xd1 <c0353cf6> dev_open+0x4e/0x65
<c0354f18> dev_change_flags+0x49/0xeb <c038b083> devinet_ioctl+0x24b/0x4bc
<c038c9ce> inet_ioctl+0x44/0x63 <c034c6cf> sock_ioctl+0x1aa/0x1c7
<c015011e> do_ioctl+0x26/0x4f <c0150375> vfs_ioctl+0x16c/0x179
<c01503ad> sys_ioctl+0x2b/0x46 <c0102487> syscall_call+0x7/0xb
+pentaval0+ 4
<c0358e10> neigh_parms_alloc+0xa5/0xd7 <ded50ffc> ipv6_add_dev+0x92/0x1d1 [ipv6]
<ded5117b> ipv6_find_idev+0x40/0x5b [ipv6] <ded5292e> addrconf_add_dev+0x36/0x52 [ipv6]
<ded533b2> addrconf_dev_config+0x5d/0x9a [ipv6] <c035ba9a> rtmsg_ifinfo+0x69/0x71
<ded535e0> addrconf_notify+0xc5/0x19b [ipv6] <c011d6e2> notifier_call_chain+0x1c/0x33
<c011d855> raw_notifier_call_chain+0x11/0x15 <c0353d03> dev_open+0x5b/0x65
<c0354f18> dev_change_flags+0x49/0xeb <c038b083> devinet_ioctl+0x24b/0x4bc
<c038c9ce> inet_ioctl+0x44/0x63 <c034c6cf> sock_ioctl+0x1aa/0x1c7
<c015011e> do_ioctl+0x26/0x4f <c0150375> vfs_ioctl+0x16c/0x179
<c01503ad> sys_ioctl+0x2b/0x46 <c0102487> syscall_call+0x7/0xb
+pentaval0+ 5
<ded51037> ipv6_add_dev+0xcd/0x1d1 [ipv6] <ded5117b> ipv6_find_idev+0x40/0x5b [ipv6]
<ded5292e> addrconf_add_dev+0x36/0x52 [ipv6] <ded533b2> addrconf_dev_config+0x5d/0x9a [ipv6]
<c035ba9a> rtmsg_ifinfo+0x69/0x71 <ded535e0> addrconf_notify+0xc5/0x19b [ipv6]
<c011d6e2> notifier_call_chain+0x1c/0x33 <c011d855> raw_notifier_call_chain+0x11/0x15
<c0353d03> dev_open+0x5b/0x65 <c0354f18> dev_change_flags+0x49/0xeb
<c038b083> devinet_ioctl+0x24b/0x4bc <c038c9ce> inet_ioctl+0x44/0x63
<c034c6cf> sock_ioctl+0x1aa/0x1c7 <c015011e> do_ioctl+0x26/0x4f
<c0150375> vfs_ioctl+0x16c/0x179 <c01503ad> sys_ioctl+0x2b/0x46
<c0102487> syscall_call+0x7/0xb
+pentaval0+ 6
<c03537d0> dev_get_by_index+0x36/0x3a <ded56fc6> ip6_route_add+0x73/0x635 [ipv6]
<c0118a66> register_proc_table+0xcb/0xdf <ded5286f> addrconf_add_mroute+0x66/0x6b [ipv6]
<ded5293d> addrconf_add_dev+0x45/0x52 [ipv6] <ded533b2> addrconf_dev_config+0x5d/0x9a [ipv6]
<c035ba9a> rtmsg_ifinfo+0x69/0x71 <ded535e0> addrconf_notify+0xc5/0x19b [ipv6]
<c011d6e2> notifier_call_chain+0x1c/0x33 <c011d855> raw_notifier_call_chain+0x11/0x15
<c0353d03> dev_open+0x5b/0x65 <c0354f18> dev_change_flags+0x49/0xeb
<c038b083> devinet_ioctl+0x24b/0x4bc <c038c9ce> inet_ioctl+0x44/0x63
<c034c6cf> sock_ioctl+0x1aa/0x1c7 <c015011e> do_ioctl+0x26/0x4f
<c0150375> vfs_ioctl+0x16c/0x179 <c01503ad> sys_ioctl+0x2b/0x46
<c0102487> syscall_call+0x7/0xb
+pentaval0+ 7
<c03537d0> dev_get_by_index+0x36/0x3a <ded56fc6> ip6_route_add+0x73/0x635 [ipv6]
<ded52801> addrconf_prefix_route+0x7d/0x85 [ipv6] <ded528f4> addrconf_add_lroute+0x34/0x38 [ipv6]
<ded52943> addrconf_add_dev+0x4b/0x52 [ipv6] <ded533b2> addrconf_dev_config+0x5d/0x9a [ipv6]
<c035ba9a> rtmsg_ifinfo+0x69/0x71 <ded535e0> addrconf_notify+0xc5/0x19b [ipv6]
<c011d6e2> notifier_call_chain+0x1c/0x33 <c011d855> raw_notifier_call_chain+0x11/0x15
<c0353d03> dev_open+0x5b/0x65 <c0354f18> dev_change_flags+0x49/0xeb
<c038b083> devinet_ioctl+0x24b/0x4bc <c038c9ce> inet_ioctl+0x44/0x63
<c034c6cf> sock_ioctl+0x1aa/0x1c7 <c015011e> do_ioctl+0x26/0x4f
<c0150375> vfs_ioctl+0x16c/0x179 <c01503ad> sys_ioctl+0x2b/0x46
<c0102487> syscall_call+0x7/0xb
+pentaval0+ 8
<c03537d0> dev_get_by_index+0x36/0x3a <ded56fc6> ip6_route_add+0x73/0x635 [ipv6]
<ded52801> addrconf_prefix_route+0x7d/0x85 [ipv6] <ded53a79> addrconf_dad_start+0x36/0xb9 [ipv6]
<ded5333d> addrconf_add_linklocal+0x2b/0x43 [ipv6] <ded533e5> addrconf_dev_config+0x90/0x9a [ipv6]
<ded535e0> addrconf_notify+0xc5/0x19b [ipv6] <c011d6e2> notifier_call_chain+0x1c/0x33
<c011d855> raw_notifier_call_chain+0x11/0x15 <c0353d03> dev_open+0x5b/0x65
<c0354f18> dev_change_flags+0x49/0xeb <c038b083> devinet_ioctl+0x24b/0x4bc
<c038c9ce> inet_ioctl+0x44/0x63 <c034c6cf> sock_ioctl+0x1aa/0x1c7
<c015011e> do_ioctl+0x26/0x4f <c0150375> vfs_ioctl+0x16c/0x179
<c01503ad> sys_ioctl+0x2b/0x46 <c0102487> syscall_call+0x7/0xb
-pentaval0- 7
<c0357527> dst_destroy+0x88/0xc1 <ded5915f> fib6_add+0xa3/0xb7 [ipv6]
<ded5675c> ip6_ins_rt+0x29/0x37 [ipv6] <ded52801> addrconf_prefix_route+0x7d/0x85 [ipv6]
<ded53a79> addrconf_dad_start+0x36/0xb9 [ipv6] <ded5333d> addrconf_add_linklocal+0x2b/0x43 [ipv6]
<ded533e5> addrconf_dev_config+0x90/0x9a [ipv6] <ded535e0> addrconf_notify+0xc5/0x19b [ipv6]
<c011d6e2> notifier_call_chain+0x1c/0x33 <c011d855> raw_notifier_call_chain+0x11/0x15
<c0353d03> dev_open+0x5b/0x65 <c0354f18> dev_change_flags+0x49/0xeb
<c038b083> devinet_ioctl+0x24b/0x4bc <c038c9ce> inet_ioctl+0x44/0x63
<c034c6cf> sock_ioctl+0x1aa/0x1c7 <c015011e> do_ioctl+0x26/0x4f
<c0150375> vfs_ioctl+0x16c/0x179 <c01503ad> sys_ioctl+0x2b/0x46
<c0102487> syscall_call+0x7/0xb
+pentaval0+ 8
<ded56d65> ndisc_dst_alloc+0x70/0x121 [ipv6] <ded5b998> ndisc_send_rs+0x5e/0x363 [ipv6]
<ded4e7f3> ip6_output+0x0/0x40 [ipv6] <ded5996a> fib6_prune_clones+0x14/0x18 [ipv6]
<ded59943> fib6_prune_clone+0x0/0x13 [ipv6] <ded53c38> addrconf_dad_completed+0x69/0xa5 [ipv6]
<ded5333d> addrconf_add_linklocal+0x2b/0x43 [ipv6] <ded533e5> addrconf_dev_config+0x90/0x9a [ipv6]
<ded535e0> addrconf_notify+0xc5/0x19b [ipv6] <c011d6e2> notifier_call_chain+0x1c/0x33
<c011d855> raw_notifier_call_chain+0x11/0x15 <c0353d03> dev_open+0x5b/0x65
<c0354f18> dev_change_flags+0x49/0xeb <c038b083> devinet_ioctl+0x24b/0x4bc
<c038c9ce> inet_ioctl+0x44/0x63 <c034c6cf> sock_ioctl+0x1aa/0x1c7
<c015011e> do_ioctl+0x26/0x4f <c0150375> vfs_ioctl+0x16c/0x179
<c01503ad> sys_ioctl+0x2b/0x46 <c0102487> syscall_call+0x7/0xb
+pentaval0+ 9
<c0357c63> neigh_create+0x67/0x1a6 <c0357b13> neigh_lookup+0x1a/0x87
<c0357b79> neigh_lookup+0x80/0x87 <ded56d93> ndisc_dst_alloc+0x9e/0x121 [ipv6]
<ded5b998> ndisc_send_rs+0x5e/0x363 [ipv6] <ded4e7f3> ip6_output+0x0/0x40 [ipv6]
<ded5996a> fib6_prune_clones+0x14/0x18 [ipv6] <ded59943> fib6_prune_clone+0x0/0x13 [ipv6]
<ded53c38> addrconf_dad_completed+0x69/0xa5 [ipv6] <ded5333d> addrconf_add_linklocal+0x2b/0x43 [ipv6]
<ded533e5> addrconf_dev_config+0x90/0x9a [ipv6] <ded535e0> addrconf_notify+0xc5/0x19b [ipv6]
<c011d6e2> notifier_call_chain+0x1c/0x33 <c011d855> raw_notifier_call_chain+0x11/0x15
<c0353d03> dev_open+0x5b/0x65 <c0354f18> dev_change_flags+0x49/0xeb
<c038b083> devinet_ioctl+0x24b/0x4bc <c038c9ce> inet_ioctl+0x44/0x63
<c034c6cf> sock_ioctl+0x1aa/0x1c7 <c015011e> do_ioctl+0x26/0x4f
<c0150375> vfs_ioctl+0x16c/0x179 <c01503ad> sys_ioctl+0x2b/0x46
<c0102487> syscall_call+0x7/0xb
+pentaval0+ 10
<ded56d65> ndisc_dst_alloc+0x70/0x121 [ipv6] <ded5b998> ndisc_send_rs+0x5e/0x363 [ipv6]
<ded4e7f3> ip6_output+0x0/0x40 [ipv6] <ded53962> addrconf_rs_timer+0x0/0xa7 [ipv6]
<ded539df> addrconf_rs_timer+0x7d/0xa7 [ipv6] <c011ac27> run_timer_softirq+0x114/0x157
<c0117bb0> __do_softirq+0x34/0x7d <c0117c1b> do_softirq+0x22/0x26
<c0104996> do_IRQ+0x1e/0x24 <c01033fa> common_interrupt+0x1a/0x20
<c0100bcd> mwait_idle+0x1a/0x2a <c0100b25> cpu_idle+0x42/0x57
<c0520612> start_kernel+0x17b/0x17d
+pentaval0+ 11
<ded56d65> ndisc_dst_alloc+0x70/0x121 [ipv6] <ded5b998> ndisc_send_rs+0x5e/0x363 [ipv6]
<ded4e7f3> ip6_output+0x0/0x40 [ipv6] <c034fb22> kfree_skbmem+0x69/0x6d
<ded53962> addrconf_rs_timer+0x0/0xa7 [ipv6] <ded539df> addrconf_rs_timer+0x7d/0xa7 [ipv6]
<c011ac27> run_timer_softirq+0x114/0x157 <c0117bb0> __do_softirq+0x34/0x7d
<c0117c1b> do_softirq+0x22/0x26 <c0104996> do_IRQ+0x1e/0x24
<c01033fa> common_interrupt+0x1a/0x20 <c0100bcd> mwait_idle+0x1a/0x2a
<c0100b25> cpu_idle+0x42/0x57 <c0520612> start_kernel+0x17b/0x17d
pentaval0: no IPv6 routers present
# ifconfig pentaval0 down
# dmesg -c
=nso:11
PentaVal_close: pentaval0: Shutting down Pent@VALUE card (card idx =0)
=nso:11
-pentaval0- 10
<c0357527> dst_destroy+0x88/0xc1 <ded59686> fib6_del_route+0x134/0x14d [ipv6]
<ded596f9> fib6_del+0x5a/0xb3 [ipv6] <ded598ca> fib6_clean_node+0x29/0x6b [ipv6]
<ded597d7> fib6_walk_continue+0x85/0xe6 [ipv6] <ded59877> fib6_walk+0x3f/0x69 [ipv6]
<ded5993f> fib6_clean_tree+0x33/0x37 [ipv6] <ded598a1> fib6_clean_node+0x0/0x6b [ipv6]
<ded5993f> fib6_clean_tree+0x33/0x37 [ipv6] <ded57e7b> fib6_ifdown+0x0/0x1f [ipv6]
<ded57ebe> rt6_ifdown+0x24/0x2c [ipv6] <ded57e7b> fib6_ifdown+0x0/0x1f [ipv6]
<ded53707> addrconf_ifdown+0x51/0x2ac [ipv6] <ded53667> addrconf_notify+0x14c/0x19b [ipv6]
<c011d6e2> notifier_call_chain+0x1c/0x33 <c011d855> raw_notifier_call_chain+0x11/0x15
<c0353d68> dev_close+0x5b/0x62 <c0354f18> dev_change_flags+0x49/0xeb
<c038b083> devinet_ioctl+0x24b/0x4bc <c038c9ce> inet_ioctl+0x44/0x63
<c034c6cf> sock_ioctl+0x1aa/0x1c7 <c015011e> do_ioctl+0x26/0x4f
<c0150375> vfs_ioctl+0x16c/0x179 <c01503ad> sys_ioctl+0x2b/0x46
<c0102487> syscall_call+0x7/0xb
-pentaval0- 9
<c0357527> dst_destroy+0x88/0xc1 <ded59686> fib6_del_route+0x134/0x14d [ipv6]
<ded596f9> fib6_del+0x5a/0xb3 [ipv6] <ded598ca> fib6_clean_node+0x29/0x6b [ipv6]
<ded597d7> fib6_walk_continue+0x85/0xe6 [ipv6] <ded59877> fib6_walk+0x3f/0x69 [ipv6]
<ded5993f> fib6_clean_tree+0x33/0x37 [ipv6] <ded598a1> fib6_clean_node+0x0/0x6b [ipv6]
<ded5993f> fib6_clean_tree+0x33/0x37 [ipv6] <ded57e7b> fib6_ifdown+0x0/0x1f [ipv6]
<ded57ebe> rt6_ifdown+0x24/0x2c [ipv6] <ded57e7b> fib6_ifdown+0x0/0x1f [ipv6]
<ded53707> addrconf_ifdown+0x51/0x2ac [ipv6] <ded53667> addrconf_notify+0x14c/0x19b [ipv6]
<c011d6e2> notifier_call_chain+0x1c/0x33 <c011d855> raw_notifier_call_chain+0x11/0x15
<c0353d68> dev_close+0x5b/0x62 <c0354f18> dev_change_flags+0x49/0xeb
<c038b083> devinet_ioctl+0x24b/0x4bc <c038c9ce> inet_ioctl+0x44/0x63
<c034c6cf> sock_ioctl+0x1aa/0x1c7 <c015011e> do_ioctl+0x26/0x4f
<c0150375> vfs_ioctl+0x16c/0x179 <c01503ad> sys_ioctl+0x2b/0x46
<c0102487> syscall_call+0x7/0xb
# rmmod pentaval
# dmesg -c
nso:9
mtu:1500
-pentaval0- 3
<c0358ed3> neigh_parms_release+0x76/0xa5 <ded53938> addrconf_ifdown+0x282/0x2ac [ipv6]
<ded53667> addrconf_notify+0x14c/0x19b [ipv6] <c011d6e2> notifier_call_chain+0x1c/0x33
<c011d855> raw_notifier_call_chain+0x11/0x15 <c0355cc8> unregister_netdevice+0x151/0x1e1
<c0355d68> unregister_netdev+0x10/0x18 <ded8072f> PentaVal_remove_one+0xb5/0x11d [pentaval]
<c01ccab9> pci_device_remove+0x19/0x2c <c021cfb3> __device_release_driver+0x58/0x85
<c021d04f> driver_detach+0x49/0x76 <c021c9ee> bus_remove_driver+0x2c/0x4d
<c021d34d> driver_unregister+0xb/0x15 <c01ccc65> pci_unregister_driver+0xe/0x19
<ded84c0a> PentaVal_cleanup_module+0xa/0xc [pentaval] <c01266c7> sys_delete_module+0x10d/0x132
<c01375e5> do_munmap+0xdf/0xeb <c0137622> sys_munmap+0x31/0x4b
<c0102487> syscall_call+0x7/0xb
-pentaval0- 2
<c0355d07> unregister_netdevice+0x190/0x1e1 <c0355d68> unregister_netdev+0x10/0x18
<ded8072f> PentaVal_remove_one+0xb5/0x11d [pentaval] <c01ccab9> pci_device_remove+0x19/0x2c
<c021cfb3> __device_release_driver+0x58/0x85 <c021d04f> driver_detach+0x49/0x76
<c021c9ee> bus_remove_driver+0x2c/0x4d <c021d34d> driver_unregister+0xb/0x15
<c01ccc65> pci_unregister_driver+0xe/0x19 <ded84c0a> PentaVal_cleanup_module+0xa/0xc [pentaval]
<c01266c7> sys_delete_module+0x10d/0x132 <c01375e5> do_munmap+0xdf/0xeb
<c0137622> sys_munmap+0x31/0x4b <c0102487> syscall_call+0x7/0xb
-pentaval0- 1
<c0361c6f> __qdisc_destroy+0x76/0x84 <c01205fe> rcu_do_batch+0x1a/0x71
<c01207a4> rcu_process_callbacks+0xf/0x22 <c0117dc3> tasklet_action+0x3a/0x59
<c0117bb0> __do_softirq+0x34/0x7d <c0117c1b> do_softirq+0x22/0x26
<c0104996> do_IRQ+0x1e/0x24 <c01033fa> common_interrupt+0x1a/0x20
<c0100bcd> mwait_idle+0x1a/0x2a <c0100b25> cpu_idle+0x42/0x57
<c0520612> start_kernel+0x17b/0x17d
-pentaval0- 0
<c0355d52> unregister_netdevice+0x1db/0x1e1 <c0355d68> unregister_netdev+0x10/0x18
<ded8072f> PentaVal_remove_one+0xb5/0x11d [pentaval] <c01ccab9> pci_device_remove+0x19/0x2c
<c021cfb3> __device_release_driver+0x58/0x85 <c021d04f> driver_detach+0x49/0x76
<c021c9ee> bus_remove_driver+0x2c/0x4d <c021d34d> driver_unregister+0xb/0x15
<c01ccc65> pci_unregister_driver+0xe/0x19 <ded84c0a> PentaVal_cleanup_module+0xa/0xc [pentaval]
<c01266c7> sys_delete_module+0x10d/0x132 <c01375e5> do_munmap+0xdf/0xeb
<c0137622> sys_munmap+0x31/0x4b <c0102487> syscall_call+0x7/0xb
ACPI: PCI interrupt for device 0000:00:08.1 disabled
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2006-06-21 5:41 Can I make ipv6 module inactive at my pentaval driver? SangOg Na
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