Bug 611893
| Summary: | [PATCH] rmmod hangs when rmmod-ing i915 with modesetting enabled | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Lubomir Rintel <lkundrak> | ||||
| Component: | xorg-x11-drv-intel | Assignee: | Adam Jackson <ajax> | ||||
| Status: | CLOSED WORKSFORME | QA Contact: | Desktop QE <desktop-qa-list> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | low | ||||||
| Version: | 6.0 | CC: | syeghiay | ||||
| Target Milestone: | rc | Keywords: | EasyFix, Patch, Triaged | ||||
| Target Release: | --- | ||||||
| Hardware: | All | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2011-10-19 17:29:18 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Created attachment 429864 [details]
A proposed fix
This issue has been proposed when we are only considering blocker issues in the current Red Hat Enterprise Linux release. It has been denied for the current Red Hat Enterprise Linux release. ** If you would still like this issue considered for the current release, ask your support representative to file as a blocker on your behalf. Otherwise ask that it be considered for the next Red Hat Enterprise Linux release. ** This request was evaluated by Red Hat Product Management for inclusion in the current release of Red Hat Enterprise Linux. Because the affected component is not scheduled to be updated in the current release, Red Hat is unfortunately unable to address this request at this time. 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. If you would like it considered as an exception in the current release, please ask your support representative. This request was erroneously denied for the current release of Red Hat Enterprise Linux. The error has been fixed and this request has been re-proposed for the current release. This request was evaluated by Red Hat Product Management for inclusion in the current release of Red Hat Enterprise Linux. Because the affected component is not scheduled to be updated in the current release, Red Hat is unfortunately unable to address this request at this time. 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. If you would like it considered as an exception in the current release, please ask your support representative. This request was evaluated by Red Hat Product Management for inclusion in the current release of Red Hat Enterprise Linux. Because the affected component is not scheduled to be updated in the current release, Red Hat is unfortunately unable to address this request at this time. 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. If you would like it considered as an exception in the current release, please ask your support representative. This request was erroneously denied for the current release of Red Hat Enterprise Linux. The error has been fixed and this request has been re-proposed for the current release. Since RHEL 6.1 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. Since RHEL 6.2 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. I'm unable to reproduce this in current 6.2 kernels, closing. |
Version-Release number of selected component (if applicable): kernel-2.6.32-37.el6.i686 Steps to Reproduce: # modprobe i915 modeset=1 # echo 0 >/sys/devices/virtual/vtconsole/vtcon1/bind # rmmod i915 Actual results: hang Expected results: module unloaded Additional info: crash> bt -l PID: 1573 TASK: f5e75a90 CPU: 0 COMMAND: "rmmod" #0 [f2f0dd98] schedule at c0816a62 #1 [f2f0de18] __mutex_lock_slowpath at c0817cb5 #2 [f2f0de40] mutex_lock at c0817ba8 #3 [f2f0de4c] drm_gem_object_free_unlocked at f7f5d9c7 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/gpu/drm/drm_gem.c: 469 #4 [f2f0de5c] kref_put at c05dfe68 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/lib/kref.c: 68 #5 [f2f0de68] intel_fbdev_destroy at f98cc78c /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/include/drm/drmP.h: 1466 #6 [f2f0de74] intel_fbdev_fini at f98cc7c1 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/gpu/drm/i915/intel_fb.c: 260 #7 [f2f0de7c] intel_modeset_cleanup at f98bfa83 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/gpu/drm/i915/intel_display.c: 4934 #8 [f2f0de94] i915_driver_unload at f98a84ea /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/gpu/drm/i915/i915_dma.c: 1760 #9 [f2f0deb0] drm_put_dev at f7f60d51 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/gpu/drm/drm_stub.c: 530 #10 [f2f0ded8] pci_device_remove at c05f7794 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/pci/pci-driver.c: 372 #11 [f2f0dee0] __device_release_driver at c06a29fb /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/base/dd.c: 328 #12 [f2f0deec] driver_detach at c06a2ae2 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/base/dd.c: 387 #13 [f2f0defc] bus_remove_driver at c06a1aa7 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/base/bus.c: 733 #14 [f2f0df1c] pci_unregister_driver at c05f79d6 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/pci/pci-driver.c: 1021 #15 [f2f0df30] drm_exit at f7f5c256 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/drivers/gpu/drm/drm_drv.c: 296 #16 [f2f0df4c] sys_delete_module at c0488d26 /usr/src/debug/kernel-2.6.32/linux-2.6.32.i686/kernel/module.c: 870 #17 [f2f0dfb0] system_call at c04099d5 /usr/src/debug////////kernel-2.6.32/linux-2.6.32.i686/arch/x86/kernel/entry_32.S: 529 EAX: ffffffda EBX: bfa78e50 ECX: 00000880 EDX: 08049b35 DS: 007b ESI: bfa78e50 ES: 007b EDI: 00000880 SS: 007b ESP: bfa78e34 EBP: bfa78e98 GS: 0033 CS: 0073 EIP: 00c0f416 ERR: 00000081 EFLAGS: 00000246 crash>