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Message-ID: <20210118153141.GB13235@xsang-OptiPlex-9020>
Date: Mon, 18 Jan 2021 23:31:41 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Thomas Zimmermann <tzimmermann@...e.de>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>,
Christian König <christian.koenig@....com>,
Sam Ravnborg <sam@...nborg.org>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
lkp@...el.com
Subject: [drm/vram] 1086db71a1:
WARNING:at_kernel/rcu/rcutorture.c:#rcutorture_oom_notify[rcutorture]
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 1086db71a1dbbfb32ffb42cf0d540b69956f951e ("drm/vram-helper: Remove invariant parameters from internal kmap function")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: rcutorture
version:
with following parameters:
runtime: 300s
test: cpuhotplug
torture_type: rcu
test-description: rcutorture is rcutorture kernel module load/unload test.
test-url: https://www.kernel.org/doc/Documentation/RCU/torture.txt
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-------------------------------------------------------------------------------+------------+------------+
| | 3fb91f56ae | 1086db71a1 |
+-------------------------------------------------------------------------------+------------+------------+
| boot_successes | 4 | 1 |
| boot_failures | 4 | 7 |
| WARNING:at_kernel/rcu/rcutorture.c:#rcutorture_oom_notify[rcutorture] | 0 | 5 |
| RIP:rcutorture_oom_notify[rcutorture] | 0 | 5 |
| page_allocation_failure:order:#,mode:#(GFP_NOWAIT),nodemask=(null) | 0 | 3 |
| RIP:lock_is_held_type | 0 | 1 |
| Mem-Info | 0 | 5 |
| RIP:lock_acquire | 0 | 1 |
| page_allocation_failure:order:#,mode:#(GFP_KERNEL|__GFP_COMP),nodemask=(null) | 0 | 4 |
| BUG:kernel_hang_in_boot_stage | 0 | 1 |
| calltrace:asm_call_irq_on_stack | 0 | 1 |
| RIP:__rb_reserve_next | 0 | 1 |
| RIP:rcu_read_delay[rcutorture] | 0 | 1 |
| RIP:check_memory_region | 0 | 1 |
| RIP:shrink_lruvec | 0 | 1 |
+-------------------------------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 536.837833] ------------[ cut here ]------------
[ 536.845200] rcutorture_oom_notify invoked upon OOM during forward-progress testing.
[ 536.853581] WARNING: CPU: 1 PID: 311 at kernel/rcu/rcutorture.c:2078 rcutorture_oom_notify+0x51/0x190 [rcutorture]
[ 536.862202] Modules linked in: rcutorture torture
[ 536.869620] CPU: 1 PID: 311 Comm: kworker/1:3 Not tainted 5.10.0-rc2-g1086db71a1db #1
[ 536.877792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 536.885805] Workqueue: events drm_fb_helper_dirty_work
[ 536.893342] RIP: 0010:rcutorture_oom_notify+0x51/0x190 [rcutorture]
[ 536.901285] Code: c7 c7 80 b0 01 a0 e8 fe 1b 6e e6 b8 01 00 00 00 5b 5d 41 5c c3 90 48 c7 c6 00 65 01 a0 48 c7 c7 40 46 01 a0 e8 bf 09 32 e6 90 <0f> 0b 90 90 48 89 ef e8 03 c6 ff ff 48 c7 c0 40 fa 00 88 ba ff ff
[ 536.918949] RSP: 0018:ffff88815a9373b0 EFLAGS: 00010286
[ 536.927058] RAX: 0000000000000000 RBX: ffff88815a9374b8 RCX: 0000000000000000
[ 536.935399] RDX: 0000000000000004 RSI: 0000000000000008 RDI: ffffed102b526e6c
[ 536.943974] RBP: ffff8881a5844000 R08: 0000000000000001 R09: ffffed103cf3ec55
[ 536.952203] R10: ffff8881e79f62a7 R11: ffffed103cf3ec54 R12: 0000000000000000
[ 536.960501] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa001b040
[ 536.968997] FS: 0000000000000000(0000) GS:ffff8881e7800000(0000) knlGS:0000000000000000
[ 536.981672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 536.990075] CR2: 00007f35df925000 CR3: 000000015a30f000 CR4: 00000000000406a0
[ 536.998487] Call Trace:
[ 537.006021] notifier_call_chain+0x9e/0x180
[ 537.014046] blocking_notifier_call_chain+0x62/0x90
[ 537.022100] out_of_memory+0x810/0x12b0
[ 537.029995] ? get_page_from_freelist+0x143/0xd60
[ 537.038323] ? oom_killer_disable+0x1e0/0x1e0
[ 537.046549] __alloc_pages_slowpath+0x134b/0x20d0
[ 537.054713] ? warn_alloc+0x100/0x100
[ 537.062516] ? get_page_from_freelist+0x143/0xd60
[ 537.070259] __alloc_pages_nodemask+0x4d3/0x730
[ 537.077952] ? __alloc_pages_slowpath+0x20d0/0x20d0
[ 537.086144] ? alloc_pages_current+0x132/0x210
[ 537.093491] __get_free_pages+0x11/0xa0
[ 537.100618] kasan_populate_vmalloc_pte+0x21/0x110
[ 537.108348] apply_to_p4d_range+0x55b/0xe50
[ 537.115882] ? memset+0x40/0x40
[ 537.123158] ? memset+0x40/0x40
[ 537.130496] __apply_to_page_range+0x1e4/0x2b0
[ 537.137620] ? apply_to_p4d_range+0xe50/0xe50
[ 537.144660] alloc_vmap_area+0x78d/0x2250
[ 537.151746] ? rcu_read_lock_sched_held+0x81/0xb0
[ 537.158683] ? rcu_read_lock_bh_held+0xa0/0xa0
[ 537.165480] ? free_vmap_area+0x1a30/0x1a30
[ 537.172424] ? kasan_unpoison_shadow+0x33/0x40
[ 537.179301] ? __kasan_kmalloc+0xc2/0xd0
[ 537.186045] __get_vm_area_node+0xda/0x300
[ 537.192567] get_vm_area_caller+0x65/0xa0
[ 537.199066] ? ttm_bo_kmap+0x77b/0xa20
[ 537.205533] __ioremap_caller+0x1cb/0x4a0
[ 537.212401] ? ttm_bo_kmap+0x77b/0xa20
[ 537.218796] ? iounmap+0x1b0/0x1b0
[ 537.227853] ? drm_gem_vram_vmap+0x40/0x600
[ 537.234135] ? mutex_lock_interruptible_nested+0x20/0x20
[ 537.240638] ttm_bo_kmap+0x77b/0xa20
[ 537.246662] ? drm_gem_vram_pin_locked+0x349/0x720
[ 537.252841] ? ttm_transfered_destroy+0x50/0x50
[ 537.259153] drm_gem_vram_vmap+0x410/0x600
[ 537.265280] drm_gem_vram_object_vmap+0xa/0x20
[ 537.271219] drm_gem_vmap+0x62/0x90
[ 537.276578] drm_client_buffer_vmap+0x5d/0xb0
[ 537.282134] drm_fb_helper_dirty_work+0x1fa/0x7d0
[ 537.287623] ? rcu_read_unlock+0x40/0x40
[ 537.292834] ? drm_fb_helper_restore_work_fn+0x100/0x100
[ 537.298178] ? rcu_read_lock_bh_held+0xa0/0xa0
[ 537.303341] process_one_work+0x813/0x1440
[ 537.308545] ? pwq_dec_nr_in_flight+0x290/0x290
[ 537.313590] worker_thread+0x91/0xcb0
[ 537.318349] ? __kthread_parkme+0xcb/0x1b0
[ 537.323356] ? process_one_work+0x1440/0x1440
[ 537.328590] ? process_one_work+0x1440/0x1440
[ 537.333449] kthread+0x32a/0x430
[ 537.337995] ? _raw_spin_unlock_irq+0x24/0x30
[ 537.342910] ? kthread_bind+0x40/0x40
[ 537.347515] ret_from_fork+0x22/0x30
[ 537.352326] CPU: 1 PID: 311 Comm: kworker/1:3 Not tainted 5.10.0-rc2-g1086db71a1db #1
[ 537.357787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 537.363226] Workqueue: events drm_fb_helper_dirty_work
[ 537.368318] Call Trace:
[ 537.372805] dump_stack+0x9a/0xcc
[ 537.380306] ? rcutorture_oom_notify+0x51/0x190 [rcutorture]
[ 537.385404] __warn.cold+0x29/0x51
[ 537.390294] ? rcutorture_oom_notify+0x51/0x190 [rcutorture]
[ 537.395721] report_bug+0x1e5/0x270
[ 537.400673] ? wake_up_klogd+0x40/0x50
[ 537.405715] handle_bug+0x42/0x80
[ 537.410559] exc_invalid_op+0x14/0x40
[ 537.415289] asm_exc_invalid_op+0x12/0x20
[ 537.420325] RIP: 0010:rcutorture_oom_notify+0x51/0x190 [rcutorture]
[ 537.425795] Code: c7 c7 80 b0 01 a0 e8 fe 1b 6e e6 b8 01 00 00 00 5b 5d 41 5c c3 90 48 c7 c6 00 65 01 a0 48 c7 c7 40 46 01 a0 e8 bf 09 32 e6 90 <0f> 0b 90 90 48 89 ef e8 03 c6 ff ff 48 c7 c0 40 fa 00 88 ba ff ff
[ 537.440945] RSP: 0018:ffff88815a9373b0 EFLAGS: 00010286
[ 537.446537] RAX: 0000000000000000 RBX: ffff88815a9374b8 RCX: 0000000000000000
[ 537.452630] RDX: 0000000000000004 RSI: 0000000000000008 RDI: ffffed102b526e6c
[ 537.458738] RBP: ffff8881a5844000 R08: 0000000000000001 R09: ffffed103cf3ec55
[ 537.464839] R10: ffff8881e79f62a7 R11: ffffed103cf3ec54 R12: 0000000000000000
[ 537.471021] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa001b040
[ 537.477225] notifier_call_chain+0x9e/0x180
[ 537.482807] blocking_notifier_call_chain+0x62/0x90
[ 537.488665] out_of_memory+0x810/0x12b0
[ 537.494265] ? get_page_from_freelist+0x143/0xd60
[ 537.500060] ? oom_killer_disable+0x1e0/0x1e0
[ 537.505834] __alloc_pages_slowpath+0x134b/0x20d0
[ 537.512156] ? warn_alloc+0x100/0x100
[ 537.518004] ? get_page_from_freelist+0x143/0xd60
[ 537.524108] __alloc_pages_nodemask+0x4d3/0x730
[ 537.529933] ? __alloc_pages_slowpath+0x20d0/0x20d0
[ 537.536015] ? alloc_pages_current+0x132/0x210
[ 537.541870] __get_free_pages+0x11/0xa0
[ 537.547568] kasan_populate_vmalloc_pte+0x21/0x110
[ 537.553491] apply_to_p4d_range+0x55b/0xe50
[ 537.559538] ? memset+0x40/0x40
[ 537.565239] ? memset+0x40/0x40
[ 537.570726] __apply_to_page_range+0x1e4/0x2b0
[ 537.577014] ? apply_to_p4d_range+0xe50/0xe50
[ 537.582708] alloc_vmap_area+0x78d/0x2250
[ 537.588367] ? rcu_read_lock_sched_held+0x81/0xb0
[ 537.594138] ? rcu_read_lock_bh_held+0xa0/0xa0
[ 537.599995] ? free_vmap_area+0x1a30/0x1a30
[ 537.606006] ? kasan_unpoison_shadow+0x33/0x40
[ 537.612300] ? __kasan_kmalloc+0xc2/0xd0
[ 537.618154] __get_vm_area_node+0xda/0x300
[ 537.624740] get_vm_area_caller+0x65/0xa0
[ 537.630422] ? ttm_bo_kmap+0x77b/0xa20
[ 537.636083] __ioremap_caller+0x1cb/0x4a0
[ 537.641792] ? ttm_bo_kmap+0x77b/0xa20
[ 537.647227] ? iounmap+0x1b0/0x1b0
[ 537.655368] ? drm_gem_vram_vmap+0x40/0x600
[ 537.660929] ? mutex_lock_interruptible_nested+0x20/0x20
[ 537.666909] ttm_bo_kmap+0x77b/0xa20
[ 537.672514] ? drm_gem_vram_pin_locked+0x349/0x720
[ 537.678247] ? ttm_transfered_destroy+0x50/0x50
[ 537.683795] drm_gem_vram_vmap+0x410/0x600
[ 537.689216] drm_gem_vram_object_vmap+0xa/0x20
[ 537.694737] drm_gem_vmap+0x62/0x90
[ 537.700081] drm_client_buffer_vmap+0x5d/0xb0
[ 537.705385] drm_fb_helper_dirty_work+0x1fa/0x7d0
[ 537.710782] ? rcu_read_unlock+0x40/0x40
[ 537.715638] ? drm_fb_helper_restore_work_fn+0x100/0x100
[ 537.720763] ? rcu_read_lock_bh_held+0xa0/0xa0
[ 537.725764] process_one_work+0x813/0x1440
[ 537.730637] ? pwq_dec_nr_in_flight+0x290/0x290
[ 537.735624] worker_thread+0x91/0xcb0
[ 537.740403] ? __kthread_parkme+0xcb/0x1b0
[ 537.745468] ? process_one_work+0x1440/0x1440
[ 537.750474] ? process_one_work+0x1440/0x1440
[ 537.755137] kthread+0x32a/0x430
[ 537.759717] ? _raw_spin_unlock_irq+0x24/0x30
[ 537.764662] ? kthread_bind+0x40/0x40
[ 537.769740] ret_from_fork+0x22/0x30
[ 537.774508] irq event stamp: 1691985
[ 537.779330] hardirqs last enabled at (1691995): [<ffffffff8128d172>] console_unlock+0x672/0x950
[ 537.785674] hardirqs last disabled at (1692004): [<ffffffff8128d168>] console_unlock+0x668/0x950
[ 537.791796] softirqs last enabled at (1691678): [<ffffffff86a004f1>] __do_softirq+0x4f1/0x998
[ 537.797464] softirqs last disabled at (1691667): [<ffffffff86800e22>] asm_call_irq_on_stack+0x12/0x20
[ 537.803179] ---[ end trace 1a7a925fff207a99 ]---
To reproduce:
# build kernel
cd linux
cp config-5.10.0-rc2-g1086db71a1db .config
make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
Thanks,
Oliver Sang
View attachment "config-5.10.0-rc2-g1086db71a1db" of type "text/plain" (132864 bytes)
View attachment "job-script" of type "text/plain" (4316 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (68520 bytes)
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