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2387342621
We mark the vma as active while binding it in order to protect outselves from being shrunk under mempressure. This only works if we are strict in not attempting to shrink active objects. <6> [472.618968] Workqueue: events_unbound fence_work [i915] <4> [472.618970] Call Trace: <4> [472.618974] ? __schedule+0x2e5/0x810 <4> [472.618978] schedule+0x37/0xe0 <4> [472.618982] schedule_preempt_disabled+0xf/0x20 <4> [472.618984] __mutex_lock+0x281/0x9c0 <4> [472.618987] ? mark_held_locks+0x49/0x70 <4> [472.618989] ? _raw_spin_unlock_irqrestore+0x47/0x60 <4> [472.619038] ? i915_vma_unbind+0xae/0x110 [i915] <4> [472.619084] ? i915_vma_unbind+0xae/0x110 [i915] <4> [472.619122] i915_vma_unbind+0xae/0x110 [i915] <4> [472.619165] i915_gem_object_unbind+0x1dc/0x400 [i915] <4> [472.619208] i915_gem_shrink+0x328/0x660 [i915] <4> [472.619250] ? i915_gem_shrink_all+0x38/0x60 [i915] <4> [472.619282] i915_gem_shrink_all+0x38/0x60 [i915] <4> [472.619325] vm_alloc_page.constprop.25+0x1aa/0x240 [i915] <4> [472.619330] ? rcu_read_lock_sched_held+0x4d/0x80 <4> [472.619363] ? __alloc_pd+0xb/0x30 [i915] <4> [472.619366] ? module_assert_mutex_or_preempt+0xf/0x30 <4> [472.619368] ? __module_address+0x23/0xe0 <4> [472.619371] ? is_module_address+0x26/0x40 <4> [472.619374] ? static_obj+0x34/0x50 <4> [472.619376] ? lockdep_init_map+0x4d/0x1e0 <4> [472.619407] setup_page_dma+0xd/0x90 [i915] <4> [472.619437] alloc_pd+0x29/0x50 [i915] <4> [472.619470] __gen8_ppgtt_alloc+0x443/0x6b0 [i915] <4> [472.619503] gen8_ppgtt_alloc+0xd7/0x300 [i915] <4> [472.619535] ppgtt_bind_vma+0x2a/0xe0 [i915] <4> [472.619577] __vma_bind+0x26/0x40 [i915] <4> [472.619611] fence_work+0x1c/0x90 [i915] <4> [472.619617] process_one_work+0x26a/0x620 Fixes: |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.