** Description changed: Binary package hint: xserver-xorg-video-intel I just installed Maverick on a partition yesterday. Sometimes (i.e. 2 out of 5 or 6 times so far) when booting with an external monitor attached I get a "no screens" error in the log and get xorg in low- graphics mode. I haven't seen this so far when booting without an external monitor, but I haven't tried many times yet. I booted with kernel option drm.debug=0x04 so there should be verbose mode setting information in the dmesg output. + + When the problem occurs, dmesg says: + + [ 11.287021] BUG: unable to handle kernel NULL pointer dereference at (null) + [ 11.287368] IP: [<c05cb14a>] __mutex_lock_slowpath+0x9a/0x140 + [ 11.287647] *pde = 7ce57067 + [ 11.287790] Oops: 0002 [#1] SMP + [ 11.287957] last sysfs file: /sys/module/snd_rawmidi/initstate + [ 11.288226] Modules linked in: snd_rawmidi(+) i915(+) snd_seq_midi_event snd_seq drm_kms_helper iwlcore snd_timer mac80211 snd_seq_device drm snd yenta_socket pcmcia_rsrc intel_agp cfg80211 psmouse tpm_tis serio_raw pcmcia_core nvram i2c_algo_bit video tpm tpm_bios soundcore snd_page_alloc agpgart output lp parport usbhid hid firewire_ohci sdhci_pci firewire_core ahci sdhci led_class crc_itu_t e1000e libahci + [ 11.289012] + [ 11.289012] Pid: 370, comm: plymouthd Not tainted 2.6.35-7-generic #12-Ubuntu 7764CTO/7764CTO + [ 11.289012] EIP: 0060:[<c05cb14a>] EFLAGS: 00010246 CPU: 1 + [ 11.289012] EIP is at __mutex_lock_slowpath+0x9a/0x140 + [ 11.289012] EAX: 00000000 EBX: f40aaa90 ECX: f40aaa98 EDX: f6a77ec0 + [ 11.289012] ESI: f40aaa94 EDI: f40aaa90 EBP: f6a77ed8 ESP: f6a77eb4 + [ 11.289012] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 + [ 11.289012] Process plymouthd (pid: 370, ti=f6a76000 task=f70fe580 task.ti=f6a76000) + [ 11.289012] Stack: + [ 11.289012] f6a77ec4 f70fe580 f40aaa98 f40aaa98 00000000 f6a77ed8 f40aaa90 f45be700 + [ 11.289012] <0> f40aaa90 f6a77ee8 c05cb095 f45be700 f45be700 f6a77efc f8393dc3 f45be700 + [ 11.289012] <0> f45be760 f40aa800 f6a77f44 f838b337 00000001 f839be25 f839b220 f839d590 + [ 11.289012] Call Trace: + [ 11.289012] [<c05cb095>] ? mutex_lock+0x25/0x40 + [ 11.289012] [<f8393dc3>] ? drm_fb_release+0x23/0x70 [drm] + [ 11.289012] [<f838b337>] ? drm_release+0x3e7/0x4c0 [drm] + [ 11.289012] [<c021a13f>] ? __fput+0xdf/0x1f0 + [ 11.289012] [<c021a26d>] ? fput+0x1d/0x30 + [ 11.289012] [<c0216b5c>] ? filp_close+0x4c/0x80 + [ 11.289012] [<c0216c05>] ? sys_close+0x75/0xc0 + [ 11.289012] [<c05cc7dc>] ? syscall_call+0x7/0xb + [ 11.289012] Code: 83 79 18 63 7f b3 8d 76 00 8d 73 04 89 f0 e8 5e 11 00 00 8d 53 08 89 55 e4 8d 55 e8 8b 43 0c 89 53 0c 8b 4d e4 89 45 ec 89 4d e8 <89> 10 8b 45 e0 ba ff ff ff ff 89 45 f0 89 d0 87 03 83 f8 01 74 + [ 11.289012] EIP: [<c05cb14a>] __mutex_lock_slowpath+0x9a/0x140 SS:ESP 0068:f6a77eb4 + [ 11.289012] CR2: 0000000000000000 + [ 11.383770] ---[ end trace b880c9a6dbf71a43 ]--- + :0.log says: (EE) intel(0): [drm] failed to set drm interface version. (EE) intel(0): Failed to become DRM master. [...] DRM_IOCTL_I915_GEM_APERTURE failed: Bad file descriptor Assuming 131072kB available aperture size. May lead to reduced performance or incorrect rendering. get chip id failed: -1 [9] param: 4, val: 0 (EE) intel(0): failed to get resources: Bad file descriptor (EE) intel(0): Kernel modesetting setup failed (EE) Screen(s) found, but none have a usable configuration. Fatal server error: no screens found ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: xorg 1:7.5+6ubuntu2 ProcVersionSignature: Ubuntu 2.6.35-7.12-generic 2.6.35-rc4 Uname: Linux 2.6.35-7-generic i686 Architecture: i386 DRM.card0.LVDS.1: - status: connected - enabled: enabled - dpms: On - modes: 1400x1050 1280x1024 1024x768 800x600 640x480 - edid-base64: AP///////wAwrgVAAAAAAAAQAQOAGRJ46q9AlVZKjyUgUFQhCACBgAEBAQEBAQEBAQEBAQEBICF4yFAaCkAUdCUA9bgAAAAZAAAAEAAAAAAAAAAAAAAAAAAAAAAADwCQQzIAAAATAgAJ5QAAAAAA/gBIVjEyMVAwMS0xMDEKAHU= + status: connected + enabled: enabled + dpms: On + modes: 1400x1050 1280x1024 1024x768 800x600 640x480 + edid-base64: AP///////wAwrgVAAAAAAAAQAQOAGRJ46q9AlVZKjyUgUFQhCACBgAEBAQEBAQEBAQEBAQEBICF4yFAaCkAUdCUA9bgAAAAZAAAAEAAAAAAAAAAAAAAAAAAAAAAADwCQQzIAAAATAgAJ5QAAAAAA/gBIVjEyMVAwMS0xMDEKAHU= DRM.card0.VGA.1: - status: connected - enabled: enabled - dpms: On - modes: 1920x1200 1600x1200 1680x1050 1280x1024 1440x900 1280x960 1280x800 1024x768 800x600 800x600 640x480 - edid-base64: AP///////wBMLYYFNDJZTS4TAQMONCB4Ku6Ro1RMmSYPUFQjCACpQIGAgUCBAJUAswABAQEBKDyAoHCwI0AwIDYABkQhAAAaAAAA/QA4PB5REQAKICAgICAgAAAA/ABTeW5jTWFzdGVyCiAgAAAA/wBIOVhTQjA2MjMzCiAgAAU= + status: connected + enabled: enabled + dpms: On + modes: 1920x1200 1600x1200 1680x1050 1280x1024 1440x900 1280x960 1280x800 1024x768 800x600 800x600 640x480 + edid-base64: AP///////wBMLYYFNDJZTS4TAQMONCB4Ku6Ro1RMmSYPUFQjCACpQIGAgUCBAJUAswABAQEBKDyAoHCwI0AwIDYABkQhAAAaAAAA/QA4PB5REQAKICAgICAgAAAA/ABTeW5jTWFzdGVyCiAgAAAA/wBIOVhTQjA2MjMzCiAgAAU= Date: Tue Jul 13 19:35:12 2010 DkmsStatus: Error: [Errno 2] No such file or directory InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100630.2) MachineType: LENOVO 7764CTO PccardctlIdent: - Socket 0: - no product info available + Socket 0: + no product info available PccardctlStatus: - Socket 0: - no card + Socket 0: + no card ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-7-generic root=UUID=460f28a3-969c-409a-ab57-6070e2c7288e ro quiet splash drm.debug=0x04 ProcEnviron: - LANG=en_US.utf8 - SHELL=/bin/bash + LANG=en_US.utf8 + SHELL=/bin/bash SourcePackage: xorg Symptom: display XorgConf: - + dmi.bios.date: 11/27/2008 dmi.bios.vendor: LENOVO dmi.bios.version: 7SET36WW (1.22 ) dmi.board.name: 7764CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr7SET36WW(1.22):bd11/27/2008:svnLENOVO:pn7764CTO:pvrThinkPadX61Tablet:rvnLENOVO:rn7764CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 7764CTO dmi.product.version: ThinkPad X61 Tablet dmi.sys.vendor: LENOVO glxinfo: Error: [Errno 2] No such file or directory system: - distro: Ubuntu - codename: maverick - architecture: i686 - kernel: 2.6.35-7-generic + distro: Ubuntu + codename: maverick + architecture: i686 + kernel: 2.6.35-7-generic
-- [965gm] "No screens" on startup: "DRM_IOCTL_I915_GEM_APERTURE failed: Bad file descriptor" https://bugs.launchpad.net/bugs/605124 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
