Red Hat Bugzilla – Bug 530375
Kernel Oops (Failure in the tiling code)
Last modified: 2018-04-11 04:27:41 EDT
Description of problem: During the hotplug of a vga monitor and enabling of it a kernel oops is produced in the logs. Version-Release number of selected component (if applicable): xorg-x11-drv-intel-2.7.0-7.fc11.i586 How reproducible: Every time Steps to Reproduce: 1. Attach external monitor 2. Set external monitor to display 3. Kernel oops Actual results: Kernel oops Expected results: No kernel oops Additional info: The action does work, it's just the kernel oops that's not very comforting.
Created attachment 365745 [details] md5sum of the sosreport already attached
Kernel oops as submitted to kerneloops.org http://www.kerneloops.org/submitresult.php?number=833000
Created attachment 366219 [details] dmesg_now from sosreport (attachment 365744 [details])
Created attachment 366220 [details] lspci from sosreport (attachment 365744 [details])
Created attachment 366221 [details] Xorg.0.log from sosreport (attachment 365744 [details])
[drm] DAC-6: set mode 23 [drm:i915_gem_object_unbind] *ERROR* Attempting to unbind pinned buffer ------------[ cut here ]------------ WARNING: at drivers/gpu/drm/i915/i915_gem_tiling.c:473 i915_gem_set_tiling+0x4a0/0x4f2 [i915]() (Not tainted) Hardware name: 1951W7V failed to unbind object for tiling switchModules linked in: ppp_deflate zlib_deflate ppp_async crc_ccitt ppp_generic slhc option usbserial fuse usb_storage rfcomm sco bridge stp llc bnep l2cap sunrpc ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 cpufreq_ondemand acpi_cpufreq dm_multipath uinput snd_hda_codec_analog snd_hda_intel arc4 snd_hda_codec ecb snd_hwdep iwl3945 snd_pcm snd_timer snd mac80211 e1000e iTCO_wdt thinkpad_acpi yenta_socket iTCO_vendor_support soundcore btusb hwmon i2c_i801 pcspkr rsrc_nonstatic lib80211 snd_page_alloc bluetooth cfg80211 joydev ata_generic pata_acpi xts gf128mul aes_i586 aes_generic dm_crypt i915 drm i2c_algo_bit i2c_core video output [last unloaded: microcode] Pid: 1989, comm: Xorg Not tainted 2.6.29.6-217.2.3.fc11.i686.PAE #1 Call Trace: [<c0435266>] warn_slowpath+0x7c/0xa4 [<c0562f99>] ? idr_remove+0x11a/0x128 [<c0562f99>] ? idr_remove+0x11a/0x128 [<c0714f0d>] ? printk+0x14/0x17 [<f8216215>] ? i915_gem_object_unbind+0x43/0x1f3 [i915] [<f81bb551>] ? drm_gem_object_reference+0xd/0xf [drm] [<f821a4e4>] i915_gem_set_tiling+0x4a0/0x4f2 [i915] [<f81ba74b>] drm_ioctl+0x202/0x292 [drm] [<f821a044>] ? i915_gem_set_tiling+0x0/0x4f2 [i915] [<c04fb6f1>] ? ext4_file_write+0xb8/0x12f [<c04a8361>] ? do_sync_write+0xb0/0xeb [<c04b26be>] vfs_ioctl+0x5c/0x76 [<c04b2f72>] do_vfs_ioctl+0x480/0x4ba [<c04a80b8>] ? fsnotify_modify+0x54/0x5f [<c04a82b1>] ? do_sync_write+0x0/0xeb [<c04a8c11>] ? vfs_write+0xb5/0xf4 [<c046bd4f>] ? audit_syscall_entry+0x163/0x185 [<c04b2ff2>] sys_ioctl+0x46/0x66 [<c040945f>] sysenter_do_call+0x12/0x34 ---[ end trace 6895ad0477d4c817 ]---
*** This bug has been marked as a duplicate of bug 489907 ***