I've been googling/reading lots of information, found similar problems,
then discovered kernel OOPS with intel_ips module:
1.
[ 5.985278] Pid: 408, comm: modprobe Not tainted 2.6.35-22-generic
#35-Ubuntu K52F/K52F
2.
[ 5.985370] EIP: 0060:[<f81da452>] EFLAGS: 00010286 CPU: 1
3.
[ 5.985433] EIP is at ips_detect_cpu+0x62/0x180 [intel_ips]
4.
[ 5.985498] EAX: 00c800c8 EBX: 00000000 ECX: 00c800c8 EDX: 00000000
5.
[ 5.985562] ESI: f5bbfe04 EDI: f69ae500 EBP: f5bbfe14 ESP: f5bbfde4
6.
[ 5.985626] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
7.
[ 5.985688] Process modprobe (pid: 408, ti=f5bbe000 task=f5ac7230
task.ti=f5bbe000)
8.
[ 5.985778] Stack:
9.
[ 5.986569] f81dbefc f81dbe9e f70b6c00 f5bbfe14 c020c441 f5bbfe08
c05c79e9 f81daeef
10.
[ 5.986810] <0> 00000000 f69ae500 f7168000 fffffff4 f5bbfe4c f81daf2a
c027165d f5bbfe4c
11.
[ 5.987123] <0> c0270c07 f5bbfe4c c027100a f5bbfe38 f7168000 f7168060
c036bb3e f7168000
12.
[ 5.987485] Call Trace:
13.
[ 5.987548] [<c020c441>] ? kmem_cache_alloc_notrace+0x91/0xb0
14.
[ 5.987617] [<c05c79e9>] ? mutex_lock+0x19/0x40
15.
[ 5.987677] [<f81daeef>] ? ips_probe+0x1f/0x690 [intel_ips]
16.
[ 5.987744] [<f81daf2a>] ? ips_probe+0x5a/0x690 [intel_ips]
17.
[ 5.987809] [<c027165d>] ? sysfs_add_one+0x1d/0x110
18.
[ 5.987872] [<c0270c07>] ? sysfs_new_dirent+0x67/0x100
19.
[ 5.987934] [<c027100a>] ? sysfs_addrm_finish+0x1a/0xb0
20.
[ 5.988001] [<c036bb3e>] ? pci_match_device+0xbe/0xd0
21.
[ 5.988062] [<c036b9d3>] ? local_pci_probe+0x13/0x20
22.
[ 5.988125] [<c036c988>] ? pci_device_probe+0x68/0x90
23.
[ 5.988188] [<c0400540>] ? really_probe+0x50/0x150
24.
[ 5.988253] [<c0407bb7>] ? pm_runtime_barrier+0x57/0xb0
25.
[ 5.988316] [<c040067c>] ? driver_probe_device+0x3c/0x60
26.
[ 5.988379] [<c0400721>] ? __driver_attach+0x81/0x90
27.
[ 5.988441] [<c03ffb43>] ? bus_for_each_dev+0x53/0x80
28.
[ 5.988504] [<c040040e>] ? driver_attach+0x1e/0x20
29.
[ 5.988565] [<c04006a0>] ? __driver_attach+0x0/0x90
30.
[ 5.988625] [<c03ffdd5>] ? bus_add_driver+0xd5/0x280
31.
[ 5.988686] [<c036c8c0>] ? pci_device_remove+0x0/0x40
32.
[ 5.988751] [<c0400a1a>] ? driver_register+0x6a/0x130
33.
[ 5.988812] [<c036cbc5>] ? __pci_register_driver+0x45/0xb0
34.
[ 5.988878] [<f81df017>] ? ips_init+0x17/0x19 [intel_ips]
35.
[ 5.988942] [<c0101132>] ? do_one_initcall+0x32/0x1a0
36.
[ 5.989006] [<f81df000>] ? ips_init+0x0/0x19 [intel_ips]
37.
[ 5.989074] [<c0180c2b>] ? sys_init_module+0x9b/0x1e0
38.
[ 5.989140] [<c0218fa2>] ? sys_write+0x42/0x70
39.
[ 5.989201] [<c05c9114>] ? syscall_call+0x7/0xb
40.
[ 5.989262] Code: 1e f5 c7 90 ba f5 bd 1d f8 b8 0c 52 81 c0 e8 a6 f6
17 c8 bb 80 c4 1d f8 85 c0 74 35 b8 ac 01 00 00 89 f2 e8 b1 1e f5 c7 90 89 c1
<8b> 53 08 c1 e1 12 c1 e
41.
9 15 69 c1 e8 03 00 00 39 c2 75 75 89 d8
42.
[ 5.991035] EIP: [<f81da452>] ips_detect_cpu+0x62/0x180 [intel_ips]
SS:ESP 0068:f5bbfde4
43.
[ 5.991180] CR2: 0000000000000008
44.
[ 5.991307] ---[ end trace 4126c52517df4ed9 ]---
Then i added blacklist intel_ips to the local modprobe config and problem has
been solved.
Actually, it's a workaround rather then solution.
Shall i post here harware info, logs, etc?
--
X doesn't work with i915 driver
https://bugs.launchpad.net/bugs/665097
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