Hi,
This oops comes shortly after booting machine and using wireless
network. Reproduced two times now.
Please let me know if you need more info.
Thanks,
Miklos
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
PGD 0
Oops: 0000 [#1] PREEMPT SMP
last sysfs file: /sys/class/rfkill/rfkill1/state
CPU 0
Modules linked in: nfs lockd nfs_acl sunrpc rfcomm sco bnep l2cap acpi_cpufreq mperf nf_conntrack_netbios_ns fuse iwl3945 iwlcore thinkpad_acpi nsc_ircc mac80211 backlight btusb led_class uinput ac irda battery crc_ccitt thermal cfg80211 bluetooth button processor e1000e rfkill kvm_intel kvm
Pid: 1493, comm: iwl3945 Not tainted 2.6.35-rc1-00194-gaef4b9a #76 2007FUG/2007FUG
RIP: 0010:[<ffffffffa022738f>] [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
RSP: 0018:ffff8800b4d71d10 EFLAGS: 00010287
RAX: ffff8800bea80c00 RBX: ffff8800b4171380 RCX: 0000000000000021
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800b4171380
RBP: ffff8800b4d71de0 R08: 000000000000030e R09: 00000000ffffffff
R10: 000000000ad21900 R11: 0000000000000292 R12: 0000000000000000
R13: ffff8800b60950f2 R14: 0000000000000000 R15: 0000000000000058
FS: 0000000000000000(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 0000000001612000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process iwl3945 (pid: 1493, threadinfo ffff8800b4d70000, task ffff8800b6790940)
Stack:
ffff880001a12f40 0000000000012f40 ffff8800b64f8800 ffffffff8161a378
<0> 0000000000000000 ffff8800b6095000 00578800b4d71e20 0000005800000021
<0> ffff8800b4d71fd8 00ff8800b4175128 ffff8800b4d71fd8 002188ffb6790940
Call Trace:
[<ffffffffa01f9bb5>] iwl_bg_start_internal_scan+0x34f/0x371 [iwlcore]
[<ffffffff8104e175>] worker_thread+0x1fc/0x2a3
[<ffffffffa01f9866>] ? iwl_bg_start_internal_scan+0x0/0x371 [iwlcore]
[<ffffffff81051d96>] ? autoremove_wake_function+0x0/0x34
[<ffffffff813f4590>] ? _raw_spin_unlock_irqrestore+0x27/0x29
[<ffffffff8104df79>] ? worker_thread+0x0/0x2a3
[<ffffffff810518db>] kthread+0x7a/0x82
[<ffffffff81002c94>] kernel_thread_helper+0x4/0x10
[<ffffffff81051861>] ? kthread+0x0/0x82
[<ffffffff81002c90>] ? kernel_thread_helper+0x0/0x10
Code: 48 b5 00 00 48 89 45 80 48 89 85 70 ff ff ff 41 8d 47 ff 66 89 85 66 ff ff ff e9 43 02 00 00 48 63 55 a8 4c 8b 64 d0 38 8b 55 a4 <41> 39 14 24 0f 85 2a 02 00 00 66 41 8b 54 24 06 48 89 df 41 88
RIP [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
RSP <ffff8800b4d71d10>
CR2: 0000000000000000
---[ end trace 63fe07b50f147114 ]---
On Thu 03-06-10 17:01:50, Miklos Szeredi wrote:
> Hi,
Hi,
>
> This oops comes shortly after booting machine and using wireless
> network. Reproduced two times now.
>
> Please let me know if you need more info.
>
> Thanks,
> Miklos
>
>
> BUG: unable to handle kernel NULL pointer dereference at (null)
> IP: [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
Sounds pretty much like https://patchwork.kernel.org/patch/103596/
I have similar problem but didn't get to testing the patch.
> PGD 0
> Oops: 0000 [#1] PREEMPT SMP
> last sysfs file: /sys/class/rfkill/rfkill1/state
> CPU 0
> Modules linked in: nfs lockd nfs_acl sunrpc rfcomm sco bnep l2cap acpi_cpufreq mperf nf_conntrack_netbios_ns fuse iwl3945 iwlcore thinkpad_acpi nsc_ircc mac80211 backlight btusb led_class uinput ac irda battery crc_ccitt thermal cfg80211 bluetooth button processor e1000e rfkill kvm_intel kvm
>
> Pid: 1493, comm: iwl3945 Not tainted 2.6.35-rc1-00194-gaef4b9a #76 2007FUG/2007FUG
> RIP: 0010:[<ffffffffa022738f>] [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
> RSP: 0018:ffff8800b4d71d10 EFLAGS: 00010287
> RAX: ffff8800bea80c00 RBX: ffff8800b4171380 RCX: 0000000000000021
> RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800b4171380
> RBP: ffff8800b4d71de0 R08: 000000000000030e R09: 00000000ffffffff
> R10: 000000000ad21900 R11: 0000000000000292 R12: 0000000000000000
> R13: ffff8800b60950f2 R14: 0000000000000000 R15: 0000000000000058
> FS: 0000000000000000(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000000000 CR3: 0000000001612000 CR4: 00000000000006f0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process iwl3945 (pid: 1493, threadinfo ffff8800b4d70000, task ffff8800b6790940)
> Stack:
> ffff880001a12f40 0000000000012f40 ffff8800b64f8800 ffffffff8161a378
> <0> 0000000000000000 ffff8800b6095000 00578800b4d71e20 0000005800000021
> <0> ffff8800b4d71fd8 00ff8800b4175128 ffff8800b4d71fd8 002188ffb6790940
> Call Trace:
> [<ffffffffa01f9bb5>] iwl_bg_start_internal_scan+0x34f/0x371 [iwlcore]
> [<ffffffff8104e175>] worker_thread+0x1fc/0x2a3
> [<ffffffffa01f9866>] ? iwl_bg_start_internal_scan+0x0/0x371 [iwlcore]
> [<ffffffff81051d96>] ? autoremove_wake_function+0x0/0x34
> [<ffffffff813f4590>] ? _raw_spin_unlock_irqrestore+0x27/0x29
> [<ffffffff8104df79>] ? worker_thread+0x0/0x2a3
> [<ffffffff810518db>] kthread+0x7a/0x82
> [<ffffffff81002c94>] kernel_thread_helper+0x4/0x10
> [<ffffffff81051861>] ? kthread+0x0/0x82
> [<ffffffff81002c90>] ? kernel_thread_helper+0x0/0x10
> Code: 48 b5 00 00 48 89 45 80 48 89 85 70 ff ff ff 41 8d 47 ff 66 89 85 66 ff ff ff e9 43 02 00 00 48 63 55 a8 4c 8b 64 d0 38 8b 55 a4 <41> 39 14 24 0f 85 2a 02 00 00 66 41 8b 54 24 06 48 89 df 41 88
> RIP [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
> RSP <ffff8800b4d71d10>
> CR2: 0000000000000000
> ---[ end trace 63fe07b50f147114 ]---
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
--
Michal Hocko
L3 team
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9
Czech Republic
On Thu, 3 Jun 2010, Michal Hocko wrote:
> On Thu 03-06-10 17:01:50, Miklos Szeredi wrote:
> > Hi,
>
> Hi,
>
> >
> > This oops comes shortly after booting machine and using wireless
> > network. Reproduced two times now.
> >
> > Please let me know if you need more info.
> >
> > Thanks,
> > Miklos
> >
> >
> > BUG: unable to handle kernel NULL pointer dereference at (null)
> > IP: [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
>
> Sounds pretty much like https://patchwork.kernel.org/patch/103596/
> I have similar problem but didn't get to testing the patch.
Yes, patch fixed it for me.
Thanks,
Miklos
>
> > PGD 0
> > Oops: 0000 [#1] PREEMPT SMP
> > last sysfs file: /sys/class/rfkill/rfkill1/state
> > CPU 0
> > Modules linked in: nfs lockd nfs_acl sunrpc rfcomm sco bnep l2cap acpi_cpufreq mperf nf_conntrack_netbios_ns fuse iwl3945 iwlcore thinkpad_acpi nsc_ircc mac80211 backlight btusb led_class uinput ac irda battery crc_ccitt thermal cfg80211 bluetooth button processor e1000e rfkill kvm_intel kvm
> >
> > Pid: 1493, comm: iwl3945 Not tainted 2.6.35-rc1-00194-gaef4b9a #76 2007FUG/2007FUG
> > RIP: 0010:[<ffffffffa022738f>] [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
> > RSP: 0018:ffff8800b4d71d10 EFLAGS: 00010287
> > RAX: ffff8800bea80c00 RBX: ffff8800b4171380 RCX: 0000000000000021
> > RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800b4171380
> > RBP: ffff8800b4d71de0 R08: 000000000000030e R09: 00000000ffffffff
> > R10: 000000000ad21900 R11: 0000000000000292 R12: 0000000000000000
> > R13: ffff8800b60950f2 R14: 0000000000000000 R15: 0000000000000058
> > FS: 0000000000000000(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000
> > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > CR2: 0000000000000000 CR3: 0000000001612000 CR4: 00000000000006f0
> > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> > Process iwl3945 (pid: 1493, threadinfo ffff8800b4d70000, task ffff8800b6790940)
> > Stack:
> > ffff880001a12f40 0000000000012f40 ffff8800b64f8800 ffffffff8161a378
> > <0> 0000000000000000 ffff8800b6095000 00578800b4d71e20 0000005800000021
> > <0> ffff8800b4d71fd8 00ff8800b4175128 ffff8800b4d71fd8 002188ffb6790940
> > Call Trace:
> > [<ffffffffa01f9bb5>] iwl_bg_start_internal_scan+0x34f/0x371 [iwlcore]
> > [<ffffffff8104e175>] worker_thread+0x1fc/0x2a3
> > [<ffffffffa01f9866>] ? iwl_bg_start_internal_scan+0x0/0x371 [iwlcore]
> > [<ffffffff81051d96>] ? autoremove_wake_function+0x0/0x34
> > [<ffffffff813f4590>] ? _raw_spin_unlock_irqrestore+0x27/0x29
> > [<ffffffff8104df79>] ? worker_thread+0x0/0x2a3
> > [<ffffffff810518db>] kthread+0x7a/0x82
> > [<ffffffff81002c94>] kernel_thread_helper+0x4/0x10
> > [<ffffffff81051861>] ? kthread+0x0/0x82
> > [<ffffffff81002c90>] ? kernel_thread_helper+0x0/0x10
> > Code: 48 b5 00 00 48 89 45 80 48 89 85 70 ff ff ff 41 8d 47 ff 66 89 85 66 ff ff ff e9 43 02 00 00 48 63 55 a8 4c 8b 64 d0 38 8b 55 a4 <41> 39 14 24 0f 85 2a 02 00 00 66 41 8b 54 24 06 48 89 df 41 88
> > RIP [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
> > RSP <ffff8800b4d71d10>
> > CR2: 0000000000000000
> > ---[ end trace 63fe07b50f147114 ]---
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to [email protected]
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
>
> --
> Michal Hocko
> L3 team
> SUSE LINUX s.r.o.
> Lihovarska 1060/12
> 190 00 Praha 9
> Czech Republic
>
The patch in [1] applies against 2.6.35-rc1 and works fine since...
$ uptime
17:54:38 up 2:32, 1 user, load average: 0.23, 0.26, 0.18
$ cat /proc/version
Linux version 2.6.35-rc1-iniza-686-kms (Debian 2.6.35~rc1-4~git1.sd.1)
([email protected]) (gcc version 4.4.4 (Debian 4.4.4-4) ) #1 SMP
PREEMPT Thu Jun 3 14:58:19 CEST 2010
Hope this information helps you.
- Sedat -
[1] https://patchwork.kernel.org/patch/104010/
On Thu, Jun 3, 2010 at 5:17 PM, Michal Hocko <[email protected]> wrote:
> On Thu 03-06-10 17:01:50, Miklos Szeredi wrote:
>> Hi,
>
> Hi,
>
>>
>> This oops comes shortly after booting machine and using wireless
>> network. Reproduced two times now.
>>
>> Please let me know if you need more info.
>>
>> Thanks,
>> Miklos
>>
>>
>> BUG: unable to handle kernel NULL pointer dereference at (null)
>> IP: [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
>
> Sounds pretty much like https://patchwork.kernel.org/patch/103596/
> I have similar problem but didn't get to testing the patch.
>
>> PGD 0
>> Oops: 0000 [#1] PREEMPT SMP
>> last sysfs file: /sys/class/rfkill/rfkill1/state
>> CPU 0
>> Modules linked in: nfs lockd nfs_acl sunrpc rfcomm sco bnep l2cap acpi_cpufreq mperf nf_conntrack_netbios_ns fuse iwl3945 iwlcore thinkpad_acpi nsc_ircc mac80211 backlight btusb led_class uinput ac irda battery crc_ccitt thermal cfg80211 bluetooth button processor e1000e rfkill kvm_intel kvm
>>
>> Pid: 1493, comm: iwl3945 Not tainted 2.6.35-rc1-00194-gaef4b9a #76 2007FUG/2007FUG
>> RIP: 0010:[<ffffffffa022738f>] [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
>> RSP: 0018:ffff8800b4d71d10 EFLAGS: 00010287
>> RAX: ffff8800bea80c00 RBX: ffff8800b4171380 RCX: 0000000000000021
>> RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800b4171380
>> RBP: ffff8800b4d71de0 R08: 000000000000030e R09: 00000000ffffffff
>> R10: 000000000ad21900 R11: 0000000000000292 R12: 0000000000000000
>> R13: ffff8800b60950f2 R14: 0000000000000000 R15: 0000000000000058
>> FS: 0000000000000000(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000
>> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>> CR2: 0000000000000000 CR3: 0000000001612000 CR4: 00000000000006f0
>> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>> Process iwl3945 (pid: 1493, threadinfo ffff8800b4d70000, task ffff8800b6790940)
>> Stack:
>> ffff880001a12f40 0000000000012f40 ffff8800b64f8800 ffffffff8161a378
>> <0> 0000000000000000 ffff8800b6095000 00578800b4d71e20 0000005800000021
>> <0> ffff8800b4d71fd8 00ff8800b4175128 ffff8800b4d71fd8 002188ffb6790940
>> Call Trace:
>> [<ffffffffa01f9bb5>] iwl_bg_start_internal_scan+0x34f/0x371 [iwlcore]
>> [<ffffffff8104e175>] worker_thread+0x1fc/0x2a3
>> [<ffffffffa01f9866>] ? iwl_bg_start_internal_scan+0x0/0x371 [iwlcore]
>> [<ffffffff81051d96>] ? autoremove_wake_function+0x0/0x34
>> [<ffffffff813f4590>] ? _raw_spin_unlock_irqrestore+0x27/0x29
>> [<ffffffff8104df79>] ? worker_thread+0x0/0x2a3
>> [<ffffffff810518db>] kthread+0x7a/0x82
>> [<ffffffff81002c94>] kernel_thread_helper+0x4/0x10
>> [<ffffffff81051861>] ? kthread+0x0/0x82
>> [<ffffffff81002c90>] ? kernel_thread_helper+0x0/0x10
>> Code: 48 b5 00 00 48 89 45 80 48 89 85 70 ff ff ff 41 8d 47 ff 66 89 85 66 ff ff ff e9 43 02 00 00 48 63 55 a8 4c 8b 64 d0 38 8b 55 a4 <41> 39 14 24 0f 85 2a 02 00 00 66 41 8b 54 24 06 48 89 df 41 88
>> RIP [<ffffffffa022738f>] iwl3945_request_scan+0x961/0xd68 [iwl3945]
>> RSP <ffff8800b4d71d10>
>> CR2: 0000000000000000
>> ---[ end trace 63fe07b50f147114 ]---
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>> the body of a message to [email protected]
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>> Please read the FAQ at http://www.tux.org/lkml/
>
> --
> Michal Hocko
> L3 team
> SUSE LINUX s.r.o.
> Lihovarska 1060/12
> 190 00 Praha 9
> Czech Republic
> --
> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>