Re: Problem with touchpad

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On 08/06/2013 09:41 PM, Ahmed wrote:
On 08/06/2013 01:35 PM, Rob Kampen wrote:
On 08/06/2013 05:20 PM, Ahmed wrote:
Hi there,

      i recently installed centos 6 64bit version on my HPProBook4530s
Laptop. After running full system update and system restarted, my touch
pad is not responding any more. How can i fix this problem?
Implication is that it was working before the update?
If so, reboot and load the prior kernel (select from grub menu)
Then can use lsmod to show what drivers are loaded, although if it is
a precomipled driver it does not show.
A reboot into the new kernel and a compare of the lsmod results should
show the missing driver.
If it is pre-compiled into the kernel, one will need to examine the
kernel source docs to see what they changed - this will need help from
someone else as I've only done this twice and it takes some steps that
I do not recall.
HTH
Kind Regards
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Thanks for reply.
1- yeah touch pad was working before i applied system updates.

My old config was as follows

  >uname -a

Linux localhost.localdomain 2.6.32-71.el6.x86_64 #1 SMP Fri May 20
03:51:51 BST 2011 x86_64 x86_64 x86_64 GNU/Linux
-------------------------------------------------------------------
  >lsmod

Module                  Size  Used by

fuse                   66138  0
drm_kms_helper         32113  0
drm                   200778  1 drm_kms_helper
i2c_algo_bit            5664  0
sco                    18099  2
bridge                 74113  0
bnep                   16528  2
l2cap                  56128  3 bnep
autofs4                27683  3
sunrpc                241630  1
fcoe                   21769  0
libfcoe                16181  1 fcoe
libfc                  93401  2 fcoe,libfcoe
scsi_transport_fc      50893  2 fcoe,libfc
scsi_tgt               12107  1 scsi_transport_fc
8021q                  24221  0
garp                    7310  1 8021q
stp                     2107  2 bridge,garp
llc                     5608  3 bridge,garp,stp
cpufreq_ondemand       10382  4
acpi_cpufreq            8593  0
freq_table              4847  2 cpufreq_ondemand,acpi_cpufreq
ipt_REJECT              2349  2
nf_conntrack_ipv4       9440  2
nf_defrag_ipv4          1449  1 nf_conntrack_ipv4
iptable_filter          2759  1
ip_tables              17733  1 iptable_filter
ip6t_REJECT             4562  2
nf_conntrack_ipv6      19655  2
xt_state                1458  4
nf_conntrack           79643  3 nf_conntrack_ipv4,nf_conntrack_ipv6,xt_state
ip6table_filter         2855  1
ip6_tables             19392  1 ip6table_filter
ipv6                  321209  44 ip6t_REJECT,nf_conntrack_ipv6
dm_mirror              14003  0
dm_region_hash         12200  1 dm_mirror
dm_log                 10088  2 dm_mirror,dm_region_hash
uinput                  8182  0
hp_accel               12136  0
lis3lv02d               7636  1 hp_accel
input_polldev           3106  1 lis3lv02d
wmi                     6221  0
btusb                  17047  0
bluetooth              99482  6 sco,bnep,l2cap,btusb
uvcvideo               61644  0
videodev               38980  1 uvcvideo
v4l2_compat_ioctl32     7145  1 videodev
i2c_core               31274  4 drm_kms_helper,drm,i2c_algo_bit,videodev
sg                     30186  0
microcode             112877  0
serio_raw               4816  0
r8169                  39870  0
mii                     5205  1 r8169
iTCO_wdt               11708  0
iTCO_vendor_support     3022  1 iTCO_wdt
arc4                    1441  2
ecb                     2175  2
ath9k                 289429  0
mac80211              146065  1 ath9k
ath                     9659  1 ath9k
cfg80211              138993  3 ath9k,mac80211,ath
rfkill                 19617  3 bluetooth,cfg80211
snd_hda_codec_idt      62684  0
snd_hda_intel          25194  3
snd_hda_codec          82097  2 snd_hda_codec_idt,snd_hda_intel
snd_hwdep               6746  1 snd_hda_codec
snd_seq                56557  0
snd_seq_device          6626  1 snd_seq
snd_pcm                84700  2 snd_hda_intel,snd_hda_codec
snd_timer              23087  2 snd_seq,snd_pcm
snd                    70021  14
snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
soundcore               8052  1 snd
snd_page_alloc          8628  2 snd_hda_intel,snd_pcm
ext4                  353979  3
mbcache                 7918  1 ext4
jbd2                   89033  1 ext4
cryptd                  7940  0
aes_x86_64              7880  2
aes_generic            27575  1 aes_x86_64
xts                     2591  1
gf128mul                8535  1 xts
dm_crypt               12860  1
sr_mod                 16162  0
cdrom                  39769  1 sr_mod
sd_mod                 37221  3
crc_t10dif              1507  1 sd_mod
ahci                   39105  2
sdhci_pci               7323  0
sdhci                  20561  1 sdhci_pci
mmc_core               72893  1 sdhci
video                  20966  0
output                  2471  1 video
dm_mod                 76856  14 dm_mirror,dm_log,dm_crypt
--------------------------------------------------------------------------------------

My new configs after i applied system updates

  >uname -a

Linux localhost.localdomain 2.6.32-358.14.1.el6.x86_64 #1 SMP Tue Jul 16
23:51:20 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

  >lsmod
---------------lsmod output after kernel updated ----------------------
Module                  Size  Used by
fuse                   69253  0
sco                    18005  2
bridge                 79078  0
bnep                   16690  2
l2cap                  55682  3 bnep
autofs4                26513  3
sunrpc                261235  1
bnx2fc                 88200  0
cnic                   55511  1 bnx2fc
uio                    10462  1 cnic
fcoe                   22398  0
libfcoe                40649  2 bnx2fc,fcoe
libfc                 108313  3 bnx2fc,fcoe,libfcoe
scsi_transport_fc      55299  3 bnx2fc,fcoe,libfc
scsi_tgt               12077  1 scsi_transport_fc
8021q                  25317  0
garp                    7152  1 8021q
stp                     2218  2 bridge,garp
llc                     5546  3 bridge,garp,stp
cpufreq_ondemand       10544  4
acpi_cpufreq            7763  0
freq_table              4936  2 cpufreq_ondemand,acpi_cpufreq
mperf                   1557  1 acpi_cpufreq
ipt_REJECT              2351  2
nf_conntrack_ipv4       9506  2
nf_defrag_ipv4          1483  1 nf_conntrack_ipv4
iptable_filter          2793  1
ip_tables              17831  1 iptable_filter
ip6t_REJECT             4628  2
nf_conntrack_ipv6       8748  2
nf_defrag_ipv6         11182  1 nf_conntrack_ipv6
xt_state                1492  4
nf_conntrack           79645  3 nf_conntrack_ipv4,nf_conntrack_ipv6,xt_state
ip6table_filter         2889  1
ip6_tables             19458  1 ip6table_filter
ipv6                  321454  46
cnic,ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6
uinput                  7992  0
hp_accel               12170  0
lis3lv02d               7670  1 hp_accel
input_polldev           3044  1 lis3lv02d
btusb                  16851  0
bluetooth              99239  6 sco,bnep,l2cap,btusb
uvcvideo               62688  0
videodev               75708  1 uvcvideo
v4l2_compat_ioctl32     7110  1 videodev
sg                     29350  0
microcode             112653  0
serio_raw               4594  0
iTCO_wdt               14990  0
iTCO_vendor_support     3088  1 iTCO_wdt
xhci_hcd              142149  0
r8169                  60023  0
mii                     5376  1 r8169
arc4                    1475  2
ath9k                  94823  0
mac80211              457614  1 ath9k
ath9k_common            3419  1 ath9k
ath9k_hw              374172  2 ath9k,ath9k_common
ath                    17790  3 ath9k,ath9k_common,ath9k_hw
cfg80211              193215  3 ath9k,mac80211,ath
rfkill                 19255  3 bluetooth,cfg80211
snd_hda_codec_hdmi     26157  1
snd_hda_codec_idt      63594  1
snd_hda_intel          27823  3
snd_hda_codec         121518  3
snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
snd_hwdep               6652  1 snd_hda_codec
snd_seq                55759  0
snd_seq_device          6500  1 snd_seq
snd_pcm                86635  3
snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_timer              22411  2 snd_seq,snd_pcm
snd                    69907  15
snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
soundcore               7958  1 snd
snd_page_alloc          8470  2 snd_hda_intel,snd_pcm
ext4                  363408  3
mbcache                 8193  1 ext4
jbd2                   90230  1 ext4
cryptd                  8006  0
aes_x86_64              7961  2
aes_generic            27609  1 aes_x86_64
xts                     2657  1
gf128mul                7961  1 xts
dm_crypt               12894  1
sd_mod                 38976  3
crc_t10dif              1541  1 sd_mod
sr_mod                 15177  0
cdrom                  39085  1 sr_mod
ahci                   41127  2
sdhci_pci               8127  0
sdhci                  24805  1 sdhci_pci
mmc_core               76925  1 sdhci
wmi                     6287  0
i915                  537570  2
drm_kms_helper         40087  1 i915
drm                   265638  3 i915,drm_kms_helper
i2c_algo_bit            5935  1 i915
i2c_core               31084  5
videodev,i915,drm_kms_helper,drm,i2c_algo_bit
video                  20674  1 i915
output                  2409  1 video
dm_mirror              14133  0
dm_region_hash         12085  1 dm_mirror
dm_log                  9930  2 dm_mirror,dm_region_hash
dm_mod                 82839  14 dm_crypt,dm_mirror,dm_log
---------------------------------------------------------------------------------
Hi, nothing leaps out at me - although I do note i915 is included in the later kernel modules - this chip is involved in the graphics and thus the X.org / X11 part of your setup - thus you may want to look through dmesg output and determine what kind of touchpad your laptop has. For synaptics this page may help http://www.thinkwiki.org/wiki/Synaptics_TouchPad_driver_for_X You will see that X.org is intimately involved with this and may well be the issue you have. Are you using default graphics card drivers? - sometimes changes to the kernel make X miss-behave. Try to use kmod aware drivers from elrepo - it makes life so much easier. http://elrepo.org/tiki/About
Check out your  /etc/X11/xorg.conf
HTH
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