[Bug 100788] New: [drm][i915] i915_gem_object_get_pages crashes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100788

            Bug ID: 100788
           Summary: [drm][i915] i915_gem_object_get_pages crashes
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: aappddeevv at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Off of drm-tip: 695eaa3b60a0a9a2baf41241e60b589efb6479ee.

Running skylake, xps9350, tb16 dock, 2 monitors + lcd.

Crashes my session but recovers to the gdm login screen:




 25 12:42:48 mycomputer kernel: active_anon:2856284 inactive_anon:961957
isolated_anon:0
                                 active_file:15809 inactive_file:12882
isolated_file:0
                                 unevictable:709 dirty:36 writeback:0
unstable:0
                                 slab_reclaimable:46395
slab_unreclaimable:36693
                                 mapped:1213292 shmem:1318353 pagetables:44435
bounce:0
                                 free:34728 free_pcp:218 free_cma:0
Apr 25 12:42:48 mycomputer kernel: Mem-Info:
Apr 25 12:42:48 mycomputer kernel: R13: 00000000000057f8 R14: 000000000246cd30
R15: 0000000000819a00
Apr 25 12:42:48 mycomputer kernel: R10: 0000000000000648 R11: 0000000000000246
R12: 0000000000000000
Apr 25 12:42:48 mycomputer kernel: RBP: 000000000240265a R08: 0000000000000000
R09: 0000000000000000
Apr 25 12:42:48 mycomputer kernel: RDX: 00007ffc1e061f70 RSI: 00000000c0406469
RDI: 0000000000000009
Apr 25 12:42:48 mycomputer kernel: RAX: ffffffffffffffda RBX: 0000000002061598
RCX: 00007f710fb06787
Apr 25 12:42:48 mycomputer kernel: RSP: 002b:00007ffc1e061f28 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
Apr 25 12:42:48 mycomputer kernel: RIP: 0033:0x7f710fb06787
Apr 25 12:42:48 mycomputer kernel:  entry_SYSCALL_64_fastpath+0x1a/0xa9
Apr 25 12:42:48 mycomputer kernel:  SyS_ioctl+0x79/0x90
Apr 25 12:42:48 mycomputer kernel:  do_vfs_ioctl+0xa3/0x5f0
Apr 25 12:42:48 mycomputer kernel:  ? i915_gem_execbuffer+0x310/0x310 [i915]
Apr 25 12:42:48 mycomputer kernel:  drm_ioctl+0x218/0x4b0 [drm]
Apr 25 12:42:48 mycomputer kernel:  i915_gem_execbuffer2+0xba/0x210 [i915]
Apr 25 12:42:48 mycomputer kernel:  ? i915_gem_pwrite_ioctl+0xf8/0x720 [i915]
Apr 25 12:42:48 mycomputer kernel:  ? refcount_dec_and_test+0x11/0x20
Apr 25 12:42:48 mycomputer kernel:  ? mutex_lock+0x12/0x40
Apr 25 12:42:48 mycomputer kernel:  ?
i915_gem_object_wait_reservation+0x284/0x2f0 [i915]
Apr 25 12:42:48 mycomputer kernel:  i915_gem_do_execbuffer.isra.36+0x5ca/0x1960
[i915]
Apr 25 12:42:48 mycomputer kernel: 
i915_gem_execbuffer_reserve.isra.30+0x476/0x4b0 [i915]
Apr 25 12:42:48 mycomputer kernel: 
i915_gem_execbuffer_reserve_vma.isra.29+0x14d/0x1b0 [i915]
Apr 25 12:42:48 mycomputer kernel:  __i915_vma_do_pin+0x1ec/0x460 [i915]
Apr 25 12:42:48 mycomputer kernel:  __i915_gem_object_get_pages+0x5c/0x70
[i915]
Apr 25 12:42:48 mycomputer kernel:  ____i915_gem_object_get_pages+0x20/0x60
[i915]
Apr 25 12:42:48 mycomputer kernel:  i915_gem_object_get_pages_gtt+0x21d/0x660
[i915]
Apr 25 12:42:48 mycomputer kernel:  shmem_read_mapping_page_gfp+0x44/0x80
Apr 25 12:42:48 mycomputer kernel:  shmem_getpage_gfp+0x1b0/0xdb0
Apr 25 12:42:48 mycomputer kernel:  shmem_alloc_and_acct_page+0x72/0x1b0
Apr 25 12:42:48 mycomputer kernel:  ? __vm_enough_memory+0x65/0x1b0
Apr 25 12:42:48 mycomputer kernel:  ? __radix_tree_insert+0x45/0x220
Apr 25 12:42:48 mycomputer kernel:  shmem_alloc_page+0x70/0xc0
Apr 25 12:42:48 mycomputer kernel:  alloc_pages_vma+0xab/0x290
Apr 25 12:42:48 mycomputer kernel:  __alloc_pages_nodemask+0x25d/0x290
Apr 25 12:42:48 mycomputer kernel:  ? free_hot_cold_page_list+0x3f/0xa0
Apr 25 12:42:48 mycomputer kernel:  __alloc_pages_slowpath+0xe65/0xe90
Apr 25 12:42:48 mycomputer kernel:  warn_alloc+0x114/0x1c0
Apr 25 12:42:48 mycomputer kernel:  dump_stack+0x63/0x86
Apr 25 12:42:48 mycomputer kernel: Call Trace:
Apr 25 12:42:48 mycomputer kernel: Hardware name: Dell Inc. XPS 13 9350/0H67KH,
BIOS 1.4.14 02/08/2017
Apr 25 12:42:48 mycomputer kernel: CPU: 0 PID: 24396 Comm: Xwayland Tainted: G 
   U     OE   4.11.0-rc8+ #1
Apr 25 12:42:48 mycomputer kernel: Xwayland cpuset=/ mems_allowed=0
Apr 25 12:42:48 mycomputer kernel: Xwayland: page allocation failure: order:0,
mode:0x14210d2(GFP_HIGHUSER|__GFP_NORETRY|__GFP_RECLAIMABLE), nodemask=(null)

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