Il problema sia e' evoluto scrivo quello che ho trovato nella speranza che possa tornar utile a qualcuno in futuro: premetto che sono risultati parziali ma magari qualcuno mi sa aiutare nel finire di risolvere il problema;
Il primo problema risolto e' l'uscita dell'errore:
Codice: Seleziona tutto
[drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!
Questo mi sa che, se ho reperito le giuste informazioni, e' un bug dei driver della scheda intel. La soluzione adottata e ben funzionante e' cambiare versione del kernel.
L'errore mi compariva sia col kernel di default della current ( 4.1.13 ) che con quello compilato da me ( 4.3.0 ).
Passando alla 4.2.6 , mantenendo il file di configurazione, l'errore magicamente sparice.
A seguito di cio' ho dovuto affrontare un bel:
Il problema e' stato risolto applicando ai sorgenti del kernel la seguente patch:
http://pastebin.com/wpmFi38k.
Seppur cio', continuavo comunque a trovarmi di fronte un:
Codice: Seleziona tutto
primus: fatal: Bumblebee daemon reported: error: [XORG] (EE) /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
Il problema l'ho risolto diabilitando i driver della scheda wireless. Lo so, in teoria non dovrebbe centrare nulla ma, spiegando come ci sono arrivato, magari prende piu' senso.
I driver per la mia scheda wireless ( Broadcom Corporation BCM43142 802.11b/g/n ) li ho presi direttamente dal sito della breadcom ( nome driver: wl) poiche' non riuscivo a trovare nulla che funzionasse gia' presente nel kernel (ho provato anche diverse distro e tutto avevano questo problema ); quindi ad ogni ricompilazione, ricompilo anche quelli e li reinstallo. Nei miei tentativi, una volta, per sbaglio, non ho ricompilato/reinstallato e ho rilanciato subito bumblebbe e magicamente questo funzionava. Reinstallando nella stessa sessione i driver ecco di nuovo il: failed to set DRM interface version 1.4: Permission denied .
E quindi ora son con questo dilemma driver nvidia o wifi ..
Alleggo un errore che compare sempre quando uso i driver wl per connettermi ad internet ( errore che non mi comporta problemi evidenti, ma che potrebbe centrare qualcosa ):
Codice: Seleziona tutto
[ 904.449653] r8169 0000:02:00.0 eth0: link down
[ 904.449679] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 907.850523] eth1: Broadcom BCM4365 802.11 Hybrid Wireless Controller 6.30.223.271 (r587334)
[ 930.014679] r8169 0000:02:00.0 eth0: link down
[ 930.014707] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 932.123607] ------------[ cut here ]------------
[ 932.123618] WARNING: CPU: 3 PID: 2193 at net/wireless/sme.c:981 cfg80211_connect+0x416/0x6a0 [cfg80211]()
[ 932.123619] Modules linked in: wl(PO) appletalk ax25 ipx p8023 p8022 psnap llc ipv6 cpufreq_ondemand ppdev parport_pc parport fuse btusb btrtl btbcm btintel uvcvideo videobuf2_vmalloc videobuf2_memops bluetoo
th rtsx_usb_sdmmc videobuf2_core rtl8192cu rtl_usb rtl8192c_common rtlwifi mac80211 rtsx_usb_ms cfg80211 memstick rtsx_usb v4l2_common videodev joydev asus_nb_wmi asus_wmi sparse_keymap rfkill mxm_wmi snd_hda_co
dec_realtek snd_hda_codec_generic nvidia(PO) snd_hda_intel intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel snd_hda_codec psmouse i2c_dev efivars
sdhci_acpi serio_raw thermal i2c_designware_platform tpm_crb tpm snd_hda_core snd_hwdep snd_pcm snd_timer r8169 sdhci mii int3400_thermal acpi_thermal_rel acpi_pad ac wmi int3402_thermal
[ 932.123654] dw_dmac dw_dmac_core battery 8250_dw mmc_core mei_me i2c_designware_core evdev snd shpchp processor_thermal_device int340x_thermal_zone intel_soc_dts_iosf iosf_mbi xhci_pci i2c_i801 xhci_hcd mei
soundcore lpc_ich processor loop
[ 932.123665] CPU: 3 PID: 2193 Comm: iwconfig Tainted: P O 4.2.6 #2
[ 932.123666] Hardware name: ASUSTeK COMPUTER INC. X555LB/X555LB, BIOS X555LB.502 07/09/2015
[ 932.123667] ffffffffc1105c32 ffff8802f780bb28 ffffffff81bb6e04 0000000000000007
[ 932.123670] 0000000000000000 ffff8802f780bb68 ffffffff81085e61 000000010c006a40
[ 932.123671] ffff88034f9b6800 ffff88034f9b69a8 ffff88031a23b000 ffff88031e016e00
[ 932.123673] Call Trace:
[ 932.123678] [<ffffffff81bb6e04>] dump_stack+0x45/0x57
[ 932.123681] [<ffffffff81085e61>] warn_slowpath_common+0x91/0xd0
[ 932.123683] [<ffffffff81085f5a>] warn_slowpath_null+0x1a/0x20
[ 932.123687] [<ffffffffc10e7f96>] cfg80211_connect+0x416/0x6a0 [cfg80211]
[ 932.123692] [<ffffffffc11022bc>] cfg80211_mgd_wext_connect+0x15c/0x1d0 [cfg80211]
[ 932.123696] [<ffffffffc1102414>] cfg80211_mgd_wext_siwfreq+0xe4/0x1e0 [cfg80211]
[ 932.123699] [<ffffffff811701e3>] ? __dec_zone_page_state+0x23/0x30
[ 932.123702] [<ffffffffc110213b>] cfg80211_wext_siwfreq+0x11b/0x140 [cfg80211]
[ 932.123705] [<ffffffff81bac532>] ioctl_standard_call+0x62/0xf0
[ 932.123708] [<ffffffff813b1dd8>] ? security_capable+0x48/0x60
[ 932.123710] [<ffffffff81bad1e0>] ? iw_handler_get_private+0x70/0x70
[ 932.123712] [<ffffffff81bac4d0>] ? ioctl_standard_iw_point+0x350/0x350
[ 932.123714] [<ffffffff81babc08>] wireless_process_ioctl+0x158/0x190
[ 932.123716] [<ffffffff81bac7a4>] wext_handle_ioctl+0x74/0xc0
[ 932.123719] [<ffffffff81aee734>] dev_ioctl+0x294/0x590
[ 932.123721] [<ffffffff8119a79e>] ? kmem_cache_alloc+0x1ce/0x200
[ 932.123724] [<ffffffff81ab8716>] sock_ioctl+0x126/0x290
[ 932.123727] [<ffffffff811c1a05>] do_vfs_ioctl+0x295/0x480
[ 932.123729] [<ffffffff811c1c7b>] SyS_ioctl+0x8b/0xa0
[ 932.123731] [<ffffffff81bbf91b>] entry_SYSCALL_64_fastpath+0x16/0x6e
[ 932.123733] ---[ end trace ee5af74677c872b6 ]---
[ 932.130033] ------------[ cut here ]------------
[ 932.130047] WARNING: CPU: 0 PID: 2194 at net/wireless/sme.c:981 cfg80211_connect+0x416/0x6a0 [cfg80211]()
[ 932.130050] Modules linked in: wl(PO) appletalk ax25 ipx p8023 p8022 psnap llc ipv6 cpufreq_ondemand ppdev parport_pc parport fuse btusb btrtl btbcm btintel uvcvideo videobuf2_vmalloc videobuf2_memops bluetooth rtsx_usb_sdmmc videobuf2_core rtl8192cu rtl_usb rtl8192c_common rtlwifi mac80211 rtsx_usb_ms cfg80211 memstick rtsx_usb v4l2_common videodev joydev asus_nb_wmi asus_wmi sparse_keymap rfkill mxm_wmi snd_hda_codec_realtek snd_hda_codec_generic nvidia(PO) snd_hda_intel intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel snd_hda_codec psmouse i2c_dev efivars sdhci_acpi serio_raw thermal i2c_designware_platform tpm_crb tpm snd_hda_core snd_hwdep snd_pcm snd_timer r8169 sdhci mii int3400_thermal acpi_thermal_rel acpi_pad ac wmi int3402_thermal
[ 932.130102] dw_dmac dw_dmac_core battery 8250_dw mmc_core mei_me i2c_designware_core evdev snd shpchp processor_thermal_device int340x_thermal_zone intel_soc_dts_iosf iosf_mbi xhci_pci i2c_i801 xhci_hcd mei soundcore lpc_ich processor loop
[ 932.130121] CPU: 0 PID: 2194 Comm: iwconfig Tainted: P W O 4.2.6 #2
[ 932.130123] Hardware name: ASUSTeK COMPUTER INC. X555LB/X555LB, BIOS X555LB.502 07/09/2015
[ 932.130125] ffffffffc1105c32 ffff8802f7807b48 ffffffff81bb6e04 0000000000000007
[ 932.130128] 0000000000000000 ffff8802f7807b88 ffffffff81085e61 00007f3300000141
[ 932.130142] ffff88034f9b6800 ffff88034f9b69a8 ffff88031a23b000 ffff88034fd2ac00
[ 932.130166] Call Trace:
[ 932.130173] [<ffffffff81bb6e04>] dump_stack+0x45/0x57
[ 932.130176] [<ffffffff81085e61>] warn_slowpath_common+0x91/0xd0
[ 932.130179] [<ffffffff81085f5a>] warn_slowpath_null+0x1a/0x20
[ 932.130184] [<ffffffffc10e7f96>] cfg80211_connect+0x416/0x6a0 [cfg80211]
[ 932.130192] [<ffffffffc11022bc>] cfg80211_mgd_wext_connect+0x15c/0x1d0 [cfg80211]
[ 932.130198] [<ffffffffc1102a54>] cfg80211_mgd_wext_siwap+0x174/0x1d0 [cfg80211]
[ 932.130204] [<ffffffffc1100ffa>] cfg80211_wext_siwap+0xfa/0x180 [cfg80211]
[ 932.130207] [<ffffffff81bac532>] ioctl_standard_call+0x62/0xf0
[ 932.130210] [<ffffffff813b1dd8>] ? security_capable+0x48/0x60
[ 932.130213] [<ffffffff81bad1e0>] ? iw_handler_get_private+0x70/0x70
[ 932.130215] [<ffffffff81bac4d0>] ? ioctl_standard_iw_point+0x350/0x350
[ 932.130217] [<ffffffff81babc08>] wireless_process_ioctl+0x158/0x190
[ 932.130219] [<ffffffff81bac7a4>] wext_handle_ioctl+0x74/0xc0
[ 932.130222] [<ffffffff81aee734>] dev_ioctl+0x294/0x590
[ 932.130225] [<ffffffff81ab8716>] sock_ioctl+0x126/0x290
[ 932.130228] [<ffffffff811c1a05>] do_vfs_ioctl+0x295/0x480
[ 932.130230] [<ffffffff811c1c7b>] SyS_ioctl+0x8b/0xa0
[ 932.130233] [<ffffffff81bbf91b>] entry_SYSCALL_64_fastpath+0x16/0x6e
[ 932.130234] ---[ end trace ee5af74677c872b7 ]---
[ 933.964368] ------------[ cut here ]------------
[ 933.964379] WARNING: CPU: 0 PID: 2191 at net/wireless/sme.c:981 cfg80211_connect+0x416/0x6a0 [cfg80211]()
[ 933.964380] Modules linked in: wl(PO) appletalk ax25 ipx p8023 p8022 psnap llc ipv6 cpufreq_ondemand ppdev parport_pc parport fuse btusb btrtl btbcm btintel uvcvideo videobuf2_vmalloc videobuf2_memops bluetooth rtsx_usb_sdmmc videobuf2_core rtl8192cu rtl_usb rtl8192c_common rtlwifi mac80211 rtsx_usb_ms cfg80211 memstick rtsx_usb v4l2_common videodev joydev asus_nb_wmi asus_wmi sparse_keymap rfkill mxm_wmi snd_hda_codec_realtek snd_hda_codec_generic nvidia(PO) snd_hda_intel intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel snd_hda_codec psmouse i2c_dev efivars sdhci_acpi serio_raw thermal i2c_designware_platform tpm_crb tpm snd_hda_core snd_hwdep snd_pcm snd_timer r8169 sdhci mii int3400_thermal acpi_thermal_rel acpi_pad ac wmi int3402_thermal
[ 933.964420] dw_dmac dw_dmac_core battery 8250_dw mmc_core mei_me i2c_designware_core evdev snd shpchp processor_thermal_device int340x_thermal_zone intel_soc_dts_iosf iosf_mbi xhci_pci i2c_i801 xhci_hcd mei soundcore lpc_ich processor loop
[ 933.964435] CPU: 0 PID: 2191 Comm: wpa_supplicant Tainted: P W O 4.2.6 #2
[ 933.964436] Hardware name: ASUSTeK COMPUTER INC. X555LB/X555LB, BIOS X555LB.502 07/09/2015
[ 933.964438] ffffffffc1105c32 ffff880343a93af8 ffffffff81bb6e04 0000000000000007
[ 933.964440] 0000000000000000 ffff880343a93b38 ffffffff81085e61 ffff88035ec178c0
[ 933.964443] ffff88034f9b6800 ffff88034f9b69a8 ffff88031a23b000 ffff88034fd2ae00
[ 933.964445] Call Trace:
[ 933.964450] [<ffffffff81bb6e04>] dump_stack+0x45/0x57
[ 933.964453] [<ffffffff81085e61>] warn_slowpath_common+0x91/0xd0
[ 933.964455] [<ffffffff81085f5a>] warn_slowpath_null+0x1a/0x20
[ 933.964461] [<ffffffffc10e7f96>] cfg80211_connect+0x416/0x6a0 [cfg80211]
[ 933.964468] [<ffffffffc11022bc>] cfg80211_mgd_wext_connect+0x15c/0x1d0 [cfg80211]
[ 933.964474] [<ffffffffc11026dc>] cfg80211_mgd_wext_siwessid+0x10c/0x190 [cfg80211]
[ 933.964477] [<ffffffff81bac28e>] ? ioctl_standard_iw_point+0x10e/0x350
[ 933.964484] [<ffffffffc10ffc00>] ? cfg80211_wext_giwessid+0x50/0x50 [cfg80211]
[ 933.964490] [<ffffffffc10ffc22>] cfg80211_wext_siwessid+0x22/0x40 [cfg80211]
[ 933.964492] [<ffffffff81bac2bc>] ioctl_standard_iw_point+0x13c/0x350
[ 933.964498] [<ffffffffc1100ffa>] ? cfg80211_wext_siwap+0xfa/0x180 [cfg80211]
[ 933.964500] [<ffffffff81bac56f>] ioctl_standard_call+0x9f/0xf0
[ 933.964504] [<ffffffff813b1dd8>] ? security_capable+0x48/0x60
[ 933.964506] [<ffffffff81bad1e0>] ? iw_handler_get_private+0x70/0x70
[ 933.964508] [<ffffffff81bac4d0>] ? ioctl_standard_iw_point+0x350/0x350
[ 933.964510] [<ffffffff81babc08>] wireless_process_ioctl+0x158/0x190
[ 933.964512] [<ffffffff81bac7a4>] wext_handle_ioctl+0x74/0xc0
[ 933.964515] [<ffffffff81aee734>] dev_ioctl+0x294/0x590
[ 933.964518] [<ffffffff81abaad6>] ? sock_sendmsg+0x46/0x50
[ 933.964520] [<ffffffff81ab8716>] sock_ioctl+0x126/0x290
[ 933.964523] [<ffffffff811c1a05>] do_vfs_ioctl+0x295/0x480
[ 933.964525] [<ffffffff811aeed7>] ? vfs_write+0x157/0x1a0
[ 933.964528] [<ffffffff811c1c7b>] SyS_ioctl+0x8b/0xa0
[ 933.964530] [<ffffffff81bbf91b>] entry_SYSCALL_64_fastpath+0x16/0x6e
[ 933.964532] ---[ end trace ee5af74677c872b8 ]---