poomit@poomit-Aspire-7741:~$ dmesg | grep intel
[1.212450] intel_idle: MWAIT substates: 0x1120
[1.212451] intel_idle: v0.4 model 0x25
[1.212452] intel_idle: lapic_timer_reliable_states 0x
[1.374066] ACPI: acpi_idle yielding to intel_idle
[ 21.635436] intel ips :00:1f.6: CPU TDP doesn't match expected value
(found 25, expected 29)
[ 21.635465] intel ips :00:1f.6: PCI INT C -> GSI 18 (level, low) -> IRQ
18
[ 21.635591] intel ips :00:1f.6: failed to get i915 symbols, graphics
turbo disabled
[ 21.642919] intel ips :00:1f.6: IPS driver initialized, MCP temp limit 90
[ 22.012289] hda-intel: Enable sync_write for AMD chipset
[ 37.839209] hda-intel: IRQ timing workaround is activated for card #1.
Suggest a bigger bdl_pos_adj.
[ 460.390934] hda-intel: IRQ timing workaround is activated for card #0.
Suggest a bigger bdl_pos_adj.
poomit@poomit-Aspire-7741:~$ modinfo intel_ips
filename:
/lib/modules/2.6.38-11-generic/kernel/drivers/platform/x86/intel_ips.ko
description:Intelligent Power Sharing Driver
author: Jesse Barnes
license:GPL
srcversion: 02AAC1023E865612266D5FA
alias: pci:v8086d3B32sv*sd*bc*sc*i*
depends:
vermagic: 2.6.38-11-generic SMP mod_unload modversions
poomit@poomit-Aspire-7741:~$ lscpu
Architecture: x86_64
CPU op-mode(s):32-bit, 64-bit
CPU(s):4
Thread(s) per core:2
Core(s) per socket:2
CPU socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family:6
Model: 37
Stepping: 5
CPU MHz: 1199.000
Virtualization:VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
Please let me know if you need any further details.
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https://bugs.launchpad.net/bugs/724569
Title:
Error during startup: intel ips :00:1f.6: failed to get i915
symbols, graphics turbo disabled
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