igt@gem_pread@exhaustion - timeout - Received signal SIGQUIT
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1252/fi-snb-2520m/igt@gem_pread@exhaustion.html
Starting subtest: exhaustion
Received signal SIGQUIT.
Stack trace:
#0 [fatal_sig_handler+0x113]
#1 [killpg+0x40]
#2 [mmap64+0x26]
#3 [pthread_create+0x989]
#4 [test_exhaustion+0x232]
#5 [__igt_unique____real_main282+0x454]
#6 [main+0x3a]
#7 [__libc_start_main+0xf3]
#8 [_start+0x2e]
Showing all locks held in the system:
<4> [360.450057] 1 lock held by rcu_tasks_kthre/11:
<4> [360.450060] #0: ffffffff82736f90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0x3c0
<4> [360.450085] 1 lock held by systemd-journal/185:
<4> [360.450088] #0: ffff888107255be8 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x322/0x9a0
<4> [360.450104] 1 lock held by in:imklog/425:
<4> [360.450106] #0: ffff888100231e98 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.450121] 1 lock held by NetworkManager/482:
<4> [360.450124] #0: ffff888103bd6f18 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x59a/0x9a0
<4> [360.450138] 1 lock held by sshd/719:
<4> [360.450140] #0: ffff888113beb458 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.450156] 1 lock held by C1 CompilerThre/809:
<4> [360.450158] #0: ffff8881037f7598 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.450171] 1 lock held by Channel reader /931:
<4> [360.450174] #0: ffff8881037f7598 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.450188] 1 lock held by Ping thread for/949:
<4> [360.450190] #0: ffff8881037f7598 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.450203] 1 lock held by pool-1-thread-1/952:
<4> [360.450206] #0: ffff8881037f7598 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.450222] 1 lock held by tumblerd/922:
<4> [360.450224] #0: ffff8881037f25d8 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.450239] 4 locks held by dmesg/1172:
<4> [360.450242] 3 locks held by igt_runner/1205:
<4> [360.450244] #0: ffff888103404430 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x57/0xd0
<4> [360.450260] #1: ffffffff827379a0 (rcu_read_lock){....}-{1:2}, at: __handle_sysrq+0x0/0xa0
<4> [360.450274] #2: ffffffff827379a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0x17a
<4> [360.450292] 1 lock held by gem_pread/1352:
<4> [360.450295] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: vm_mmap_pgoff+0x6a/0x150
<4> [360.452037] 1 lock held by gem_pread/17484:
<4> [360.452041] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452055] 1 lock held by gem_pread/17485:
<4> [360.452057] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452070] 1 lock held by gem_pread/17486:
<4> [360.452072] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452085] 1 lock held by gem_pread/17487:
<4> [360.452087] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452100] 1 lock held by gem_pread/17488:
<4> [360.452102] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452115] 1 lock held by gem_pread/17489:
<4> [360.452118] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452131] 1 lock held by gem_pread/17490:
<4> [360.452133] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452146] 1 lock held by gem_pread/17491:
<4> [360.452148] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452161] 1 lock held by gem_pread/17492:
<4> [360.452163] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452176] 3 locks held by gem_pread/17493:
<4> [360.452178] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.452191] #1: ffff8880396548b8 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x59a/0x9a0
<4> [360.452203] #2: ffffffff8275e560 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.160+0x280/0xd10
<4> [360.452216] 1 lock held by gem_pread/17494:
<4> [360.452218] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452231] 1 lock held by gem_pread/17495:
<4> [360.452233] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452246] 1 lock held by gem_pread/17496:
<4> [360.452248] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452261] 1 lock held by gem_pread/17497:
<4> [360.452263] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452276] 1 lock held by gem_pread/17498:
<4> [360.452278] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452291] 3 locks held by gem_pread/17499:
<4> [360.452293] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x143/0x690
<4> [360.452305] #1: ffff8880396548b8 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x59a/0x9a0
<4> [360.452317] #2: ffffffff8275e560 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.160+0x280/0xd10
<4> [360.452329] 1 lock held by gem_pread/17500:
<4> [360.452331] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452344] 1 lock held by gem_pread/17501:
<4> [360.452346] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452402] 1 lock held by gem_pread/17502:
<4> [360.452405] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452418] 1 lock held by gem_pread/17503:
<4> [360.452420] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452433] 1 lock held by gem_pread/17504:
<4> [360.452435] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452448] 1 lock held by gem_pread/17505:
<4> [360.452450] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452463] 1 lock held by gem_pread/17506:
<4> [360.452465] #0: ffff888113bee718 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x425/0x690
<4> [360.452479] 1 lock held by gem_pread/17507: