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 >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos 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 ---------------------------------------------------------------------------------