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Description of problem: vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem ------------[ cut here ]------------ WARNING: at drivers/gpu/drm/i915/i915_irq.c:649 ironlake_irq_handler+0xbf0/0xc00 [i915]() (Not tainted) Hardware name: SandyBridge Platform Missed a PM interrupt Modules linked in: i915(+) snd_pcm snd_seq iwlcore drm_kms_helper firewire_ohci snd_timer snd_seq_device snd_hwdep mac80211 video i2c_algo_bit drm sd_mod sr_mod firewire_core ext4 snd iTCO_wdt i2c_i801 cfg80211 acpi_cpufreq cpufreq_ondemand ata_generic output i2c_core ahci crc_t10dif cdrom crc_itu_t jbd2 mbcache e1000e snd_page_alloc soundcore shpchp iTCO_vendor_support sg microcode rfkill ecb arc4 ipv6 mperf freq_table sunrpc dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod Pid: 285, comm: insmod Not tainted 2.6.32-196.el6.x86_64 #1 Call Trace: <IRQ> [<ffffffff81069b17>] ? warn_slowpath_common+0x87/0xc0 [<ffffffff81069c06>] ? warn_slowpath_fmt+0x46/0x50 [<ffffffffa0339690>] ? ironlake_irq_handler+0xbf0/0xc00 [i915] [<ffffffff81058ebf>] ? scheduler_tick+0xdf/0x290 [<ffffffff810d9410>] ? handle_IRQ_event+0x60/0x170 [<ffffffff8107215a>] ? __do_softirq+0x11a/0x1d0 [<ffffffff810dbb4e>] ? handle_edge_irq+0xde/0x180 [<ffffffff8100dec9>] ? handle_irq+0x49/0xa0 [<ffffffff814f418c>] ? do_IRQ+0x6c/0xf0 [<ffffffff8100ba13>] ? ret_from_intr+0x0/0x11 <EOI> [<ffffffff814ee807>] ? _spin_unlock_irqrestore+0x17/0x20 [<ffffffff810da8e4>] ? enable_irq+0x64/0xa0 [<ffffffff810dac64>] ? request_threaded_irq+0x1d4/0x2f0 [<ffffffffa0338aa0>] ? ironlake_irq_handler+0x0/0xc00 [i915] [<ffffffffa0338aa0>] ? ironlake_irq_handler+0x0/0xc00 [i915] [<ffffffffa0267cf6>] ? drm_irq_install+0x136/0x1e0 [drm] [<ffffffffa0331907>] ? i915_driver_load+0xe07/0x1360 [i915] [<ffffffff8134356e>] ? device_register+0x1e/0x30 [<ffffffffa026da26>] ? drm_sysfs_device_add+0x86/0xb0 [drm] [<ffffffffa026a643>] ? drm_get_minor+0x1d3/0x310 [drm] [<ffffffffa026cdef>] ? drm_get_pci_dev+0x19f/0x300 [drm] [<ffffffffa038aa1e>] ? i915_pci_probe+0x20/0x1b0 [i915] [<ffffffff812892a7>] ? local_pci_probe+0x17/0x20 [<ffffffff8128a491>] ? pci_device_probe+0x101/0x120 [<ffffffff81346102>] ? driver_sysfs_add+0x62/0x90 [<ffffffff813462a0>] ? driver_probe_device+0xa0/0x2a0 [<ffffffff8134654b>] ? __driver_attach+0xab/0xb0 [<ffffffff813464a0>] ? __driver_attach+0x0/0xb0 [<ffffffff81345504>] ? bus_for_each_dev+0x64/0x90 [<ffffffff8134603e>] ? driver_attach+0x1e/0x20 [<ffffffff81345940>] ? bus_add_driver+0x200/0x300 [<ffffffff81346876>] ? driver_register+0x76/0x140 [<ffffffff810e2bdc>] ? tracepoint_update_probe_range+0xfc/0x130 [<ffffffff8128a6f6>] ? __pci_register_driver+0x56/0xd0 [<ffffffff814f19c5>] ? notifier_call_chain+0x55/0x80 [<ffffffffa03b6000>] ? i915_init+0x0/0x8d [i915] [<ffffffffa026d06a>] ? drm_pci_init+0x11a/0x130 [drm] [<ffffffffa03b6000>] ? i915_init+0x0/0x8d [i915] [<ffffffffa03b608b>] ? i915_init+0x8b/0x8d [i915] [<ffffffff8100204c>] ? do_one_initcall+0x3c/0x1d0 [<ffffffff810af5a1>] ? sys_init_module+0xe1/0x250 [<ffffffff8100b0b2>] ? system_call_fastpath+0x16/0x1b ---[ end trace c662cda138f61977 ]--- firewire_core: created device fw0: GUID 354fc00035e71a01, S400 fbcon: inteldrmfb (fb0) is primary device Console: switching to colour frame buffer device 128x48 fb0: inteldrmfb frame buffer device drm: registered panic notifier Slow work thread pool: Starting up Slow work thread pool: Ready Version-Release number of selected component (if applicable): RHEL6.2-20110822.5+kernel-2.6.32-196.el6+kexec-tools-2.6.32-199.el6 How reproducible: intel-sugarbay-do-01.lab.bos.redhat.com Steps to Reproduce: 1.Setup Kdump 2.Crash system as CrasherOops 3. Actual results: WARNING in second kernel Expected results: No such WARNING Additional info: https://beaker.engineering.redhat.com/recipes/268157
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Since RHEL 6.3 External Beta has begun, and this bug remains unresolved, it has been rejected as it is not proposed as exception or blocker. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux.
The conditions leading to this error message are significantly different between 6.2 and 6.4. Please reopen if you can reproduce this with a 6.4 snapshot.