** Description changed:
+ [Impact]
+ Systems with video cards using amdgpu driver may fail to resume due to
resource leakage.
+
+ [Fix]
+ 73469585510d drm/amdgpu: fix&cleanups for wb_clear
+
+ [Test Case]
+ Verified with fwts for a thounsand runs.
+
+ [Regression Risk]
+ Low. This patch has been included in stable kernel v4.16.y and on, and
+ it's mostly a trivial bug fix.
+
+ ==== Original Bug Report ====
[Summary]
When do the S3 stress test with AMD RX550 installed, the system hung after
resume from S3 at 112nd S3.
The kernel message:
[ 8120.977916] amdgpu 0000:01:00.0: (-22) failed to allocate wb slot
[ 8120.977941] [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed
testing IB on ring 11 (-22).
[ 8120.979662] [drm] ib test on ring 12 succeeded
[ 8120.981952] [drm] ib test on ring 13 succeeded
[ 8120.984578] [drm] ib test on ring 14 succeeded
[ 8120.984813] [drm] ib test on ring 15 succeeded
[ 8120.984825] [drm:amdgpu_device_resume [amdgpu]] *ERROR* ib ring test
failed (-22).
[ 8120.997655] [drm] Type 1 DP-HDMI passive dongle 165Mhz:
[ 8121.022465] [drm] 92GH: [Block 0]
[ 8121.022465] [drm] 92GH: [Block 1]
[ 8121.022467] [drm] dc_link_detect: manufacturer_id = B838, product_id =
9202, serial_number = 1, manufacture_week = 29, manufacture_year = 18,
display_name = 92GH, speaker_flag = 1, audio_mode_count = 1
[ 8121.022467] [drm] dc_link_detect: mode number = 0, format_code = 1,
channel_count = 2, sample_rate = 7, sample_size = 7
[ 8121.022573] PM: resume of devices complete after 412.170 msecs
[ 8121.023076] acpi LNXPOWER:04: Turning OFF
[ 8121.023113] PM: Finishing wakeup.
[ 8121.023114] OOM killer enabled.
[ 8121.023114] Restarting tasks ...
[ 8121.023455] pci_bus 0000:04: Allocating resources
[ 8121.023471] pci 0000:03:00.0: bridge window [io 0x1000-0x0fff] to [bus 04]
add_size 1000
[ 8121.023473] pci 0000:03:00.0: bridge window [mem 0x00100000-0x000fffff
64bit pref] to [bus 04] add_size 200000 add_align 100000
[ 8121.023474] pci 0000:03:00.0: bridge window [mem 0x00100000-0x000fffff] to
[bus 04] add_size 200000 add_align 100000
[ 8121.023476] pci 0000:03:00.0: BAR 14: no space for [mem size 0x00200000]
[ 8121.023477] pci 0000:03:00.0: BAR 14: failed to assign [mem size
0x00200000]
[ 8121.023478] pci 0000:03:00.0: BAR 15: no space for [mem size 0x00200000
64bit pref]
[ 8121.023478] pci 0000:03:00.0: BAR 15: failed to assign [mem size
0x00200000 64bit pref]
[ 8121.023479] pci 0000:03:00.0: BAR 13: no space for [io size 0x1000]
[ 8121.023479] pci 0000:03:00.0: BAR 13: failed to assign [io size 0x1000]
[ 8121.023481] pci 0000:03:00.0: BAR 14: no space for [mem size 0x00200000]
[ 8121.023481] pci 0000:03:00.0: BAR 14: failed to assign [mem size
0x00200000]
[ 8121.023482] pci 0000:03:00.0: BAR 15: no space for [mem size 0x00200000
64bit pref]
[ 8121.023482] pci 0000:03:00.0: BAR 15: failed to assign [mem size
0x00200000 64bit pref]
[ 8121.023483] pci 0000:03:00.0: BAR 13: no space for [io size 0x1000]
[ 8121.023483] pci 0000:03:00.0: BAR 13: failed to assign [io size 0x1000]
[ 8121.023485] pci 0000:03:00.0: PCI bridge to [bus 04]
[ 8121.024358] done.
[ 8121.082344] video LNXVIDEO:00: Restoring backlight state
[ 8121.082346] PM: suspend exit
[ 8121.094634] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 8121.112417] ata4: SATA link down (SStatus 4 SControl 300)
[ 8121.113212] ata3: SATA link down (SStatus 4 SControl 300)
[ 8121.113279] ata2: SATA link down (SStatus 4 SControl 300)
[ 8121.114133] ata1: SATA link down (SStatus 4 SControl 300)
[ 8121.192056] [drm] {1440x900, 1904x934@106500Khz}
[ 8121.282351] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 8121.298481] amdgpu 0000:01:00.0: couldn't schedule ib on ring <sdma1>
[ 8121.298517] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs
(-22)
[ 8121.298536] [drm:amd_sched_main [amdgpu]] *ERROR* Failed to run job!
[ 8122.183439] [drm] RC6 on
[ 8124.257908] e1000e: eno1 NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: Rx/Tx
[ 8124.258035] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
[ 8124.269506] amdgpu 0000:01:00.0: couldn't schedule ib on ring <sdma1>
[ 8124.269539] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs
(-22)
[ 8124.269558] [drm:amd_sched_main [amdgpu]] *ERROR* Failed to run job!
[ 8125.089361] amdgpu 0000:01:00.0: couldn't schedule ib on ring <sdma1>
[ 8125.089429] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs
(-22)
[ 8125.089448] [drm:amd_sched_main [amdgpu]] *ERROR* Failed to run job!
[Reproduce Steps]
1. apt-get install -y fwts
2. fwts s3 --s3-multiple=1000 --s3-min-delay=60 --s3-max-delay=60
[Results]
Expected: pass the S3 stress test
Actual: system hung at 112nd S3
[Additional Information]
Kernel Version: 4.15.0-1035-oem
GPU: AMD RX550 (OPGA14) 1002:699f
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https://bugs.launchpad.net/bugs/1825074
Title:
amdgpu resume failure: failed to allocate wb slot
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