Hi MIchal,
The steps are:
(1)
I use kernel source https://github.com/Xilinx/linux-xlnx.git
xlnx_rebase_v4.19.
(2)
Enable kernel option:
Kernel hacking ---> Memory Debugging --->
[*] Kernel memory leak detector
(9000) Maximum kmemleak early log entries.
(3)
When the board boots, run the command as below:
echo scan > /sys/kernel/debug/kmemleak
Then cat /sys/kernel/debug/kmemleak.
I attached the log as zcu102.log. Using mainline and linux-yocto with
enabling kmemleak can also reproduce the memory leak.
Thanks,
Quanyang
On 10/18/19 2:33 PM, Michal Simek wrote:
Hi,
On 16. 10. 19 15:02, quanyang.w...@windriver.com wrote:
From: Quanyang Wang <quanyang.w...@windriver.com>
This is detected by kmemleak running on zcu102 board:
unreferenced object 0xffffffc877e48180 (size 128):
comm "swapper/0", pid 1, jiffies 4294892909 (age 315.436s)
hex dump (first 32 bytes):
64 70 5f 76 69 64 65 6f 5f 72 65 66 5f 64 69 76 dp_video_ref_div
31 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1...............
backtrace:
[<00000000c9be883b>] __kmalloc_track_caller+0x200/0x380
[<00000000f02c3809>] kvasprintf+0x7c/0x100
[<00000000e51dde4d>] kasprintf+0x60/0x80
[<0000000092298b05>] zynqmp_register_clocks+0x29c/0x398
[<00000000faaff182>] zynqmp_clock_probe+0x3cc/0x4c0
[<000000005f5986f0>] platform_drv_probe+0x58/0xa8
[<00000000d5810136>] really_probe+0xd8/0x2a8
[<00000000f5b671be>] driver_probe_device+0x5c/0x100
[<0000000038f91fcf>] __device_attach_driver+0x98/0xb8
[<000000008a3f2ac2>] bus_for_each_drv+0x74/0xd8
[<000000001cb2783d>] __device_attach+0xe0/0x140
[<00000000c268031b>] device_initial_probe+0x24/0x30
[<000000006998de4b>] bus_probe_device+0x9c/0xa8
[<00000000647ae6ff>] device_add+0x3c0/0x610
[<0000000071c14bb8>] of_device_add+0x40/0x50
[<000000004bb5d132>] of_platform_device_create_pdata+0xbc/0x138
This is because that when num_nodes is larger than 1, clk_out is
allocated using kasprintf for these nodes but only the last node's
clk_out is freed.
Signed-off-by: Quanyang Wang <quanyang.w...@windriver.com>
---
drivers/clk/zynqmp/clkc.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index 64355fd07f6b..536f68c98e97 100644
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -563,7 +563,7 @@ static struct clk_hw *zynqmp_register_clk_topology(int
clk_id, char *clk_name,
{
int j;
u32 num_nodes, clk_dev_id;
- char *clk_out = NULL;
+ char *clk_out[MAX_NODES];
struct clock_topology *nodes;
struct clk_hw *hw = NULL;
@@ -577,16 +577,16 @@ static struct clk_hw *zynqmp_register_clk_topology(int clk_id, char *clk_name,
* Intermediate clock names are postfixed with type of clock.
*/
if (j != (num_nodes - 1)) {
- clk_out = kasprintf(GFP_KERNEL, "%s%s", clk_name,
+ clk_out[j] = kasprintf(GFP_KERNEL, "%s%s", clk_name,
clk_type_postfix[nodes[j].type]);
} else {
- clk_out = kasprintf(GFP_KERNEL, "%s", clk_name);
+ clk_out[j] = kasprintf(GFP_KERNEL, "%s", clk_name);
}
if (!clk_topology[nodes[j].type])
continue;
- hw = (*clk_topology[nodes[j].type])(clk_out, clk_dev_id,
+ hw = (*clk_topology[nodes[j].type])(clk_out[j], clk_dev_id,
parent_names,
num_parents,
&nodes[j]);
@@ -595,9 +595,12 @@ static struct clk_hw *zynqmp_register_clk_topology(int
clk_id, char *clk_name,
__func__, clk_dev_id, clk_name,
PTR_ERR(hw));
- parent_names[0] = clk_out;
+ parent_names[0] = clk_out[j];
}
- kfree(clk_out);
+
+ for (j = 0; j < num_nodes; j++)
+ kfree(clk_out[j]);
+
return hw;
}
I have tried to replicated but didn't see this issue. Can you please
send me full boot log with steps you have done?
Thanks,
Michal
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[ 0.000000] Linux version 4.19.0-00085-gf0be99aa3709 (wrsadmin@pek-qwang2-d1) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision d29120a424ec9
[ 0.000000] Machine model: ZynqMP ZCU102 Rev1.0
[ 0.000000] earlycon: cdns0 at MMIO 0x00000000ff000000 (options '')
[ 0.000000] bootconsole [cdns0] enabled
[ 0.000000] efi: Getting EFI parameters from FDT:
[ 0.000000] efi: UEFI not found.
[ 0.000000] cma: Reserved 256 MiB at 0x000000006fc00000
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv1.1 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
[ 0.000000] psci: SMC Calling Convention v1.1
[ 0.000000] random: get_random_bytes called from start_kernel+0xa8/0x418 with crng_init=0
[ 0.000000] percpu: Embedded 22 pages/cpu @(____ptrval____) s52504 r8192 d29416 u90112
[ 0.000000] Detected VIPT I-cache on CPU0
[ 0.000000] CPU features: enabling workaround for ARM erratum 845719
[ 0.000000] Speculative Store Bypass Disable mitigation not required
[ 0.000000] CPU features: detected: Kernel page table isolation (KPTI)
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1033987
[ 0.000000] Kernel command line: console=ttyPS0,115200n8 earlycon=cdns,0xFF000000 clk_ignore_unused root=/dev/nfs rw rootwait nfsroot=128.224.158.2
[ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
[ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
[ 0.000000] software IO TLB: mapped [mem 0x6bc00000-0x6fc00000] (64MB)
[ 0.000000] Memory: 3783372K/4193280K available (10940K kernel code, 628K rwdata, 3248K rodata, 2240K init, 314K bss, 147764K reserved, 262144K cma)
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] GIC: Adjusting CPU interface base to 0x00000000f902f000
[ 0.000000] GIC: Using split EOI/Deactivate mode
[ 0.000000] arch_timer: cp15 timer(s) running at 99.99MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x170f8de2d3, max_idle_ns: 440795206112 ns
[ 0.000003] sched_clock: 56 bits at 99MHz, resolution 10ns, wraps every 4398046511101ns
[ 0.008337] Console: colour dummy device 80x25
[ 0.013149] Calibrating delay loop (skipped), value calculated using timer frequency.. 199.98 BogoMIPS (lpj=399960)
[ 0.022761] pid_max: default: 32768 minimum: 301
[ 0.027659] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.034015] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.042335] ASID allocator initialised with 32768 entries
[ 0.046531] rcu: Hierarchical SRCU implementation.
[ 0.051618] EFI services will not be available.
[ 0.055921] smp: Bringing up secondary CPUs ...
[ 0.060726] Detected VIPT I-cache on CPU1
[ 0.060759] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
[ 0.061271] Detected VIPT I-cache on CPU2
[ 0.061291] CPU2: Booted secondary processor 0x0000000002 [0x410fd034]
[ 0.061777] Detected VIPT I-cache on CPU3
[ 0.061796] CPU3: Booted secondary processor 0x0000000003 [0x410fd034]
[ 0.061840] smp: Brought up 1 node, 4 CPUs
[ 0.095682] SMP: Total of 4 processors activated.
[ 0.100355] CPU features: detected: 32-bit EL0 Support
[ 0.107097] CPU: All CPU(s) started at EL2
[ 0.109535] alternatives: patching kernel code
[ 0.115059] devtmpfs: initialized
[ 0.132117] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.136215] futex hash table entries: 1024 (order: 4, 65536 bytes)
[ 0.147959] xor: measuring software checksum speed
[ 0.186416] 8regs : 2303.000 MB/sec
[ 0.226446] 8regs_prefetch: 2053.000 MB/sec
[ 0.266475] 32regs : 2831.000 MB/sec
[ 0.306504] 32regs_prefetch: 2379.000 MB/sec
[ 0.306545] xor: using function: 32regs (2831.000 MB/sec)
[ 0.310853] pinctrl core: initialized pinctrl subsystem
[ 0.317218] NET: Registered protocol family 16
[ 0.320917] audit: initializing netlink subsys (disabled)
[ 0.325908] audit: type=2000 audit(0.276:1): state=initialized audit_enabled=0 res=1
[ 0.333537] cpuidle: using governor menu
[ 0.337679] vdso: 2 pages (1 code @ (____ptrval____), 1 data @ (____ptrval____))
[ 0.344763] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[ 0.352207] DMA: preallocated 256 KiB pool for atomic allocations
[ 0.382142] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.448369] raid6: int64x1 gen() 447 MB/s
[ 0.516328] raid6: int64x1 xor() 440 MB/s
[ 0.584357] raid6: int64x2 gen() 680 MB/s
[ 0.652392] raid6: int64x2 xor() 602 MB/s
[ 0.720440] raid6: int64x4 gen() 1040 MB/s
[ 0.788482] raid6: int64x4 xor() 764 MB/s
[ 0.856558] raid6: int64x8 gen() 982 MB/s
[ 0.924575] raid6: int64x8 xor() 750 MB/s
[ 0.992662] raid6: neonx1 gen() 726 MB/s
[ 1.060655] raid6: neonx1 xor() 849 MB/s
[ 1.128750] raid6: neonx2 gen() 1163 MB/s
[ 1.196753] raid6: neonx2 xor() 1204 MB/s
[ 1.264826] raid6: neonx4 gen() 1506 MB/s
[ 1.332851] raid6: neonx4 xor() 1437 MB/s
[ 1.400925] raid6: neonx8 gen() 1665 MB/s
[ 1.468947] raid6: neonx8 xor() 1531 MB/s
[ 1.468985] raid6: using algorithm neonx8 gen() 1665 MB/s
[ 1.472942] raid6: .... xor() 1531 MB/s, rmw enabled
[ 1.477873] raid6: using neon recovery algorithm
[ 1.483668] SCSI subsystem initialized
[ 1.486560] usbcore: registered new interface driver usbfs
[ 1.491689] usbcore: registered new interface driver hub
[ 1.496969] usbcore: registered new device driver usb
[ 1.502060] media: Linux media interface: v0.10
[ 1.506467] videodev: Linux video capture interface: v2.00
[ 1.511920] pps_core: LinuxPPS API ver. 1 registered
[ 1.516803] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giome...@linux.it>
[ 1.525910] PTP clock support registered
[ 1.529817] EDAC MC: Ver: 3.0.0
[ 1.533612] zynqmp-ipi-mbox mailbox@ff990400: Probed ZynqMP IPI Mailbox driver.
[ 1.540574] FPGA manager framework
[ 1.543826] Advanced Linux Sound Architecture Driver Initialized.
[ 1.550173] Bluetooth: Core ver 2.22
[ 1.553171] NET: Registered protocol family 31
[ 1.557550] Bluetooth: HCI device and connection manager initialized
[ 1.563869] Bluetooth: HCI socket layer initialized
[ 1.568711] Bluetooth: L2CAP socket layer initialized
[ 1.573756] Bluetooth: SCO socket layer initialized
[ 1.579109] clocksource: Switched to clocksource arch_sys_counter
[ 1.584940] VFS: Disk quotas dquot_6.6.0
[ 1.588651] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 1.604877] NET: Registered protocol family 2
[ 1.605517] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes)
[ 1.611446] TCP established hash table entries: 32768 (order: 6, 262144 bytes)
[ 1.618766] TCP bind hash table entries: 32768 (order: 7, 524288 bytes)
[ 1.625524] TCP: Hash tables configured (established 32768 bind 32768)
[ 1.631756] UDP hash table entries: 2048 (order: 4, 65536 bytes)
[ 1.637670] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
[ 1.644290] NET: Registered protocol family 1
[ 1.649565] RPC: Registered named UNIX socket transport module.
[ 1.654211] RPC: Registered udp transport module.
[ 1.658884] RPC: Registered tcp transport module.
[ 1.663547] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 1.670956] hw perfevents: no interrupt-affinity property for /pmu, guessing.
[ 1.677380] hw perfevents: enabled with armv8_pmuv3 PMU driver, 7 counters available
[ 1.686247] Initialise system trusted keyrings
[ 1.689272] workingset: timestamp_bits=62 max_order=20 bucket_order=0
[ 1.696850] NFS: Registering the id_resolver key type
[ 1.700590] Key type id_resolver registered
[ 1.704735] Key type id_legacy registered
[ 1.708715] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 1.715390] jffs2: version 2.2. (NAND) �© 2001-2006 Red Hat, Inc.
[ 2.798937] NET: Registered protocol family 38
[ 2.859404] Key type asymmetric registered
[ 2.859442] Asymmetric key parser 'x509' registered
[ 2.862757] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
[ 2.870075] io scheduler noop registered
[ 2.873953] io scheduler deadline registered
[ 2.878248] io scheduler cfq registered (default)
[ 2.882864] io scheduler mq-deadline registered
[ 2.887361] io scheduler kyber registered
[ 2.948978] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 2.954127] cacheinfo: Unable to detect cache hierarchy for CPU 0
[ 2.965508] brd: module loaded
[ 2.974998] loop: module loaded
[ 2.976307] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 2.981667] libphy: Fixed MDIO Bus: probed
[ 2.985565] tun: Universal TUN/TAP device driver, 1.6
[ 2.988205] CAN device driver interface
[ 2.992880] usbcore: registered new interface driver asix
[ 2.997312] usbcore: registered new interface driver ax88179_178a
[ 3.003270] usbcore: registered new interface driver cdc_ether
[ 3.009061] usbcore: registered new interface driver net1080
[ 3.014684] usbcore: registered new interface driver cdc_subset
[ 3.020570] usbcore: registered new interface driver zaurus
[ 3.026127] usbcore: registered new interface driver cdc_ncm
[ 3.032752] usbcore: registered new interface driver uas
[ 3.037031] usbcore: registered new interface driver usb-storage
[ 3.043949] rtc_zynqmp ffa60000.rtc: rtc core: registered ffa60000.rtc as rtc0
[ 3.050229] i2c /dev entries driver
[ 3.055646] usbcore: registered new interface driver uvcvideo
[ 3.059350] USB Video Class driver (1.1.1)
[ 3.064129] Bluetooth: HCI UART driver ver 2.3
[ 3.067769] Bluetooth: HCI UART protocol H4 registered
[ 3.072862] Bluetooth: HCI UART protocol BCSP registered
[ 3.078176] Bluetooth: HCI UART protocol LL registered
[ 3.083247] Bluetooth: HCI UART protocol ATH3K registered
[ 3.088641] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 3.094892] Bluetooth: HCI UART protocol Intel registered
[ 3.100234] Bluetooth: HCI UART protocol QCA registered
[ 3.105458] usbcore: registered new interface driver bcm203x
[ 3.111073] usbcore: registered new interface driver bpa10x
[ 3.116609] usbcore: registered new interface driver bfusb
[ 3.122057] usbcore: registered new interface driver btusb
[ 3.127449] Bluetooth: Generic Bluetooth SDIO driver ver 0.1
[ 3.133168] usbcore: registered new interface driver ath3k
[ 3.138730] EDAC MC: ECC not enabled
[ 3.142381] EDAC DEVICE0: Giving out device to module zynqmp-ocm-edac controller zynqmp_ocm: DEV ff960000.memory-controller (INTERRUPT)
[ 3.155388] sdhci: Secure Digital Host Controller Interface driver
[ 3.160323] sdhci: Copyright(c) Pierre Ossman
[ 3.164646] sdhci-pltfm: SDHCI platform and OF driver helper
[ 3.170700] ledtrig-cpu: registered to indicate activity on CPUs
[ 3.176314] zynqmp_firmware_probe Platform Management API v1.1
[ 3.182068] zynqmp_firmware_probe Trustzone version v1.0
[ 3.193182] zynqmp-pinctrl firmware:zynqmp-firmware:pinctrl: zynqmp pinctrl initialized
[ 3.220553] zynqmp_clk_mux_get_parent() getparent failed for clock: lpd_wdt, ret = -22
[ 3.223430] alg: No test for xilinx-zynqmp-aes (zynqmp-aes)
[ 3.228403] zynqmp_aes zynqmp_aes: AES Successfully Registered
[ 3.228403]
[ 3.235994] alg: No test for xilinx-keccak-384 (zynqmp-keccak-384)
[ 3.242181] alg: No test for xilinx-zynqmp-rsa (zynqmp-rsa)
[ 3.247825] usbcore: registered new interface driver usbhid
[ 3.252930] usbhid: USB HID core driver
[ 3.261382] fpga_manager fpga0: Xilinx ZynqMP FPGA Manager registered
[ 3.263701] usbcore: registered new interface driver snd-usb-audio
[ 3.270450] pktgen: Packet Generator for packet performance testing. Version: 2.75
[ 3.277434] Initializing XFRM netlink socket
[ 3.281252] NET: Registered protocol family 10
[ 3.286208] Segment Routing with IPv6
[ 3.289276] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 3.295644] NET: Registered protocol family 17
[ 3.299398] NET: Registered protocol family 15
[ 3.303825] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 3.316777] can: controller area network core (rev 20170425 abi 9)
[ 3.322928] NET: Registered protocol family 29
[ 3.327242] can: raw protocol (rev 20170425)
[ 3.331478] can: broadcast manager protocol (rev 20170425 t)
[ 3.337105] can: netlink gateway (rev 20170425) max_hops=1
[ 3.342670] Bluetooth: RFCOMM TTY layer initialized
[ 3.347420] Bluetooth: RFCOMM socket layer initialized
[ 3.352515] Bluetooth: RFCOMM ver 1.11
[ 3.356228] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 3.361496] Bluetooth: BNEP filters: protocol multicast
[ 3.366690] Bluetooth: BNEP socket layer initialized
[ 3.371618] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 3.377504] Bluetooth: HIDP socket layer initialized
[ 3.382604] 9pnet: Installing 9P2000 support
[ 3.386689] Key type dns_resolver registered
[ 3.391628] registered taskstats version 1
[ 3.394969] Loading compiled-in X.509 certificates
[ 3.399817] kmemleak: Kernel memory leak detector initialized
[ 3.399821] kmemleak: Automatic memory scanning thread started
[ 3.406017] Btrfs loaded, crc32c=crc32c-generic
[ 3.429667] ff000000.serial: ttyPS0 at MMIO 0xff000000 (irq = 39, base_baud = 6249999) is a xuartps
[ 3.439141] console [ttyPS0] enabled
[ 3.439141] console [ttyPS0] enabled
[ 3.442732] bootconsole [cdns0] disabled
[ 3.442732] bootconsole [cdns0] disabled
[ 3.451204] ff010000.serial: ttyPS1 at MMIO 0xff010000 (irq = 40, base_baud = 6249999) is a xuartps
[ 3.464710] of-fpga-region fpga-full: FPGA Region probed
[ 3.471001] nwl-pcie fd0e0000.pcie: Link is DOWN
[ 3.475678] nwl-pcie fd0e0000.pcie: host bridge /amba/pcie@fd0e0000 ranges:
[ 3.482652] nwl-pcie fd0e0000.pcie: MEM 0xe0000000..0xefffffff -> 0xe0000000
[ 3.489877] nwl-pcie fd0e0000.pcie: MEM 0x600000000..0x7ffffffff -> 0x600000000
[ 3.497540] nwl-pcie fd0e0000.pcie: PCI host bridge to bus 0000:00
[ 3.503717] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 3.509200] pci_bus 0000:00: root bus resource [mem 0xe0000000-0xefffffff]
[ 3.516067] pci_bus 0000:00: root bus resource [mem 0x600000000-0x7ffffffff pref]
[ 3.527960] pci 0000:00:00.0: PCI bridge to [bus 01-0c]
[ 3.534232] xilinx-dpdma fd4c0000.dma: Xilinx DPDMA engine is probed
[ 3.540968] xilinx-zynqmp-dma fd500000.dma: ZynqMP DMA driver Probe success
[ 3.548217] xilinx-zynqmp-dma fd510000.dma: ZynqMP DMA driver Probe success
[ 3.555457] xilinx-zynqmp-dma fd520000.dma: ZynqMP DMA driver Probe success
[ 3.562698] xilinx-zynqmp-dma fd530000.dma: ZynqMP DMA driver Probe success
[ 3.569936] xilinx-zynqmp-dma fd540000.dma: ZynqMP DMA driver Probe success
[ 3.577184] xilinx-zynqmp-dma fd550000.dma: ZynqMP DMA driver Probe success
[ 3.584418] xilinx-zynqmp-dma fd560000.dma: ZynqMP DMA driver Probe success
[ 3.591655] xilinx-zynqmp-dma fd570000.dma: ZynqMP DMA driver Probe success
[ 3.598957] xilinx-psgtr fd400000.zynqmp_phy: Lane:1 type:8 protocol:4 pll_locked:yes
[ 3.609416] xilinx-dp-snd-codec fd4a0000.zynqmp-display:zynqmp_dp_snd_codec0: Xilinx DisplayPort Sound Codec probed
[ 3.620224] xilinx-dp-snd-pcm zynqmp_dp_snd_pcm0: Xilinx DisplayPort Sound PCM probed
[ 3.628357] xilinx-dp-snd-pcm zynqmp_dp_snd_pcm1: Xilinx DisplayPort Sound PCM probed
[ 3.636959] xilinx-dp-snd-card fd4a0000.zynqmp-display:zynqmp_dp_snd_card: xilinx-dp-snd-codec-dai <-> xilinx-dp-snd-codec-dai mapping ok
[ 3.649478] xilinx-dp-snd-card fd4a0000.zynqmp-display:zynqmp_dp_snd_card: xilinx-dp-snd-codec-dai <-> xilinx-dp-snd-codec-dai mapping ok
[ 3.662441] xilinx-dp-snd-card fd4a0000.zynqmp-display:zynqmp_dp_snd_card: Xilinx DisplayPort Sound Card probed
[ 3.672739] OF: graph: no port node found in /amba/zynqmp-display@fd4a0000
[ 3.679944] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 3.686546] [drm] No driver support for vblank timestamp query.
[ 3.692599] xlnx-drm xlnx-drm.0: bound fd4a0000.zynqmp-display (ops 0xffffff8008becbe0)
[ 4.779128] [drm] Cannot find any crtc or sizes
[ 4.784171] [drm] Initialized xlnx 1.0.0 20130509 for fd4a0000.zynqmp-display on minor 0
[ 4.792290] zynqmp-display fd4a0000.zynqmp-display: ZynqMP DisplayPort Subsystem driver probed
[ 4.801358] xilinx-psgtr fd400000.zynqmp_phy: Lane:3 type:3 protocol:2 pll_locked:yes
[ 4.809255] ahci-ceva fd0c0000.ahci: AHCI 0001.0301 32 slots 2 ports 6 Gbps 0x3 impl platform mode
[ 4.818209] ahci-ceva fd0c0000.ahci: flags: 64bit ncq sntf pm clo only pmp fbs pio slum part ccc sds apst
[ 4.829292] scsi host0: ahci-ceva
[ 4.833188] scsi host1: ahci-ceva
[ 4.836854] ata1: SATA max UDMA/133 mmio [mem 0xfd0c0000-0xfd0c1fff] port 0x100 irq 37
[ 4.844776] ata2: SATA max UDMA/133 mmio [mem 0xfd0c0000-0xfd0c1fff] port 0x180 irq 37
[ 4.853696] m25p80 spi0.0: found n25q512a, expected m25p80
[ 4.859749] m25p80 spi0.0: n25q512a (131072 Kbytes)
[ 4.864648] 4 fixed-partitions partitions found on MTD device spi0.0
[ 4.870993] Creating 4 MTD partitions on "spi0.0":
[ 4.875782] 0x000000000000-0x000000100000 : "qspi-fsbl-uboot"
[ 4.882529] 0x000000100000-0x000000600000 : "qspi-linux"
[ 4.888733] 0x000000600000-0x000000620000 : "qspi-device-tree"
[ 4.895509] 0x000000620000-0x000000c00000 : "qspi-rootfs"
[ 4.904553] macb ff0e0000.ethernet: Not enabling partial store and forward
[ 4.912415] libphy: MACB_mii_bus: probed
[ 4.918634] TI DP83867 ff0e0000.ethernet-ffffffff:0c: attached PHY driver [TI DP83867] (mii_bus:phy_addr=ff0e0000.ethernet-ffffffff:0c, irq=POLL)
[ 4.931684] macb ff0e0000.ethernet eth0: Cadence GEM rev 0x50070106 at 0xff0e0000 irq 22 (00:0a:35:00:22:01)
[ 4.942025] xilinx-axipmon ffa00000.perf-monitor: Probed Xilinx APM
[ 4.948739] xilinx-axipmon fd0b0000.perf-monitor: Probed Xilinx APM
[ 4.955428] xilinx-axipmon fd490000.perf-monitor: Probed Xilinx APM
[ 4.962061] xilinx-axipmon ffa10000.perf-monitor: Probed Xilinx APM
[ 4.970239] dwc3 fe200000.dwc3: Failed to get clk 'ref': -2
[ 4.976111] xilinx-psgtr fd400000.zynqmp_phy: Lane:2 type:0 protocol:3 pll_locked:yes
[ 4.984300] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 4.989805] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1
[ 4.997883] xhci-hcd xhci-hcd.0.auto: hcc params 0x0238f625 hci version 0x100 quirks 0x0000000202010810
[ 5.007323] xhci-hcd xhci-hcd.0.auto: irq 45, io mem 0xfe200000
[ 5.013655] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[ 5.021915] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.029138] usb usb1: Product: xHCI Host Controller
[ 5.034010] usb usb1: Manufacturer: Linux 4.19.0-00085-gf0be99aa3709 xhci-hcd
[ 5.041141] usb usb1: SerialNumber: xhci-hcd.0.auto
[ 5.046539] hub 1-0:1.0: USB hub found
[ 5.050325] hub 1-0:1.0: 1 port detected
[ 5.054620] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 5.060114] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2
[ 5.067780] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed
[ 5.074631] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 4.19
[ 5.082899] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.090115] usb usb2: Product: xHCI Host Controller
[ 5.094984] usb usb2: Manufacturer: Linux 4.19.0-00085-gf0be99aa3709 xhci-hcd
[ 5.102111] usb usb2: SerialNumber: xhci-hcd.0.auto
[ 5.107456] hub 2-0:1.0: USB hub found
[ 5.111237] hub 2-0:1.0: 1 port detected
[ 5.117059] pca953x 0-0020: 0-0020 supply vcc not found, using dummy regulator
[ 5.124348] pca953x 0-0020: Linked as a consumer to regulator.0
[ 5.131181] GPIO line 496 (sel0) hogged as output/low
[ 5.136580] GPIO line 497 (sel1) hogged as output/high
[ 5.142048] GPIO line 498 (sel2) hogged as output/high
[ 5.147515] GPIO line 499 (sel3) hogged as output/high
[ 5.153073] pca953x 0-0021: 0-0021 supply vcc not found, using dummy regulator
[ 5.160350] pca953x 0-0021: Linked as a consumer to regulator.0
[ 5.168205] ina2xx 3-0040: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.170364] ata2: SATA link down (SStatus 0 SControl 330)
[ 5.175165] ina2xx 3-0041: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.179974] ata1: SATA link down (SStatus 0 SControl 330)
[ 5.186897] ina2xx 3-0042: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.198641] ina2xx 3-0043: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.205588] ina2xx 3-0044: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.212543] ina2xx 3-0045: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.219507] ina2xx 3-0046: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.226454] ina2xx 3-0047: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.233396] ina2xx 3-004a: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.240362] ina2xx 3-004b: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.246756] i2c i2c-0: Added multiplexed i2c bus 3
[ 5.252459] ina2xx 4-0040: power monitor ina226 (Rshunt = 2000 uOhm)
[ 5.259413] ina2xx 4-0041: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.266361] ina2xx 4-0042: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.273309] ina2xx 4-0043: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.280259] ina2xx 4-0044: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.287220] ina2xx 4-0045: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.294178] ina2xx 4-0046: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.301121] ina2xx 4-0047: power monitor ina226 (Rshunt = 5000 uOhm)
[ 5.307516] i2c i2c-0: Added multiplexed i2c bus 4
[ 5.329350] random: fast init done
[ 5.349980] i2c i2c-0: Added multiplexed i2c bus 5
[ 5.355026] i2c i2c-0: Added multiplexed i2c bus 6
[ 5.359816] pca954x 0-0075: registered 4 multiplexed busses for I2C mux pca9544
[ 5.367155] cdns-i2c ff020000.i2c: 400 kHz mmio ff020000 irq 24
[ 5.375778] at24 7-0054: 1024 byte 24c08 EEPROM, writable, 1 bytes/write
[ 5.382531] i2c i2c-1: Added multiplexed i2c bus 7
[ 5.387707] i2c i2c-1: Added multiplexed i2c bus 8
[ 5.394911] si570 9-005d: registered, current frequency 300000000 Hz
[ 5.401320] i2c i2c-1: Added multiplexed i2c bus 9
[ 5.419117] si570 10-005d: registered, current frequency 148500000 Hz
[ 5.425603] i2c i2c-1: Added multiplexed i2c bus 10
[ 5.430862] si5324 11-0069: si5328 probed
[ 5.500805] si5324 11-0069: si5328 probe successful
[ 5.505724] i2c i2c-1: Added multiplexed i2c bus 11
[ 5.510871] i2c i2c-1: Added multiplexed i2c bus 12
[ 5.515986] i2c i2c-1: Added multiplexed i2c bus 13
[ 5.521115] i2c i2c-1: Added multiplexed i2c bus 14
[ 5.525994] pca954x 1-0074: registered 8 multiplexed busses for I2C switch pca9548
[ 5.534148] i2c i2c-1: Added multiplexed i2c bus 15
[ 5.539289] i2c i2c-1: Added multiplexed i2c bus 16
[ 5.544417] i2c i2c-1: Added multiplexed i2c bus 17
[ 5.549539] i2c i2c-1: Added multiplexed i2c bus 18
[ 5.554673] i2c i2c-1: Added multiplexed i2c bus 19
[ 5.559807] i2c i2c-1: Added multiplexed i2c bus 20
[ 5.564952] i2c i2c-1: Added multiplexed i2c bus 21
[ 5.570093] i2c i2c-1: Added multiplexed i2c bus 22
[ 5.574971] pca954x 1-0075: registered 8 multiplexed busses for I2C switch pca9548
[ 5.582575] cdns-i2c ff030000.i2c: 400 kHz mmio ff030000 irq 25
[ 5.589093] cdns-wdt fd4d0000.watchdog: Xilinx Watchdog Timer at (____ptrval____) with timeout 60s
[ 5.631114] mmc0: SDHCI controller on ff170000.mmc [ff170000.mmc] using ADMA 64-bit
[ 5.650028] input: gpio-keys as /devices/platform/gpio-keys/input/input0
[ 5.657195] rtc_zynqmp ffa60000.rtc: setting system clock to 2019-10-18 18:51:01 UTC (1571424661)
[ 5.666071] of_cfs_init
[ 5.668546] of_cfs_init: OK
[ 5.675811] pps pps0: new PPS source ptp0
[ 5.679824] macb ff0e0000.ethernet: gem-ptp-timer ptp clock registered.
[ 5.686590] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 5.707207] mmc0: new high speed SDHC card at address aaaa
[ 5.713795] mmcblk0: mmc0:aaaa SL16G 14.8 GiB
[ 5.723122] mmcblk0: p1 p2
[ 5.887173] [drm] Cannot find any crtc or sizes
[ 8.755711] macb ff0e0000.ethernet eth0: link up (1000/Full)
[ 8.761390] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 8.779195] IP-Config: Complete:
[ 8.782412] device=eth0, hwaddr=00:0a:35:00:22:01, ipaddr=128.224.158.249, mask=255.254.0.0, gw=128.224.162.1
[ 8.792755] host=128.224.158.249, domain=, nis-domain=(none)
[ 8.798839] bootserver=128.224.158.243, rootserver=128.224.158.243, rootpath=
[ 8.806843] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 8.945149] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 8.951688] clk: Not disabling unused clocks
[ 8.955961] ALSA device list:
[ 8.958917] #0: DisplayPort monitor
[ 8.962997] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 8.971606] cfg80211: failed to load regulatory.db
[ 8.983402] VFS: Mounted root (nfs filesystem) on device 0:16.
[ 8.989505] devtmpfs: mounted
[ 8.993035] Freeing unused kernel memory: 2240K
[ 9.011157] Run /sbin/init as init process
[ 9.157398] systemd[1]: systemd 243+ running in system mode. (+PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP -GCRYPT -GN)
[ 9.179761] systemd[1]: Detected architecture arm64.
Welcome to Wind River Linux development 19.42!
[ 9.200036] systemd[1]: Set hostname to <xilinx-zynqmp>.
[ 9.439621] systemd[1]: /lib/systemd/system/dbus.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/dbus.
[ 9.483558] systemd[1]: /lib/systemd/system/rpcbind.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/r.
[ 9.606314] random: systemd: uninitialized urandom read (16 bytes read)
[ 9.613222] systemd[1]: system-getty.slice: unit configures an IP firewall, but the local system does not support BPF/cgroup firewalling.
[ 9.625791] systemd[1]: (This warning is only shown for the first unit using IP firewalling.)
[ 9.635056] systemd[1]: Created slice system-getty.slice.
[ OK ] Created slice system-getty.slice.
[ 9.655206] random: systemd: uninitialized urandom read (16 bytes read)
[ 9.662183] systemd[1]: Created slice system-serial\x2dgetty.slice.
[ OK ] Created slice system-serial\x2dgetty.slice.
[ 9.683175] random: systemd: uninitialized urandom read (16 bytes read)
[ 9.690097] systemd[1]: Created slice User and Session Slice.
[ OK ] Created slice User and Session Slice.
[ OK ] Started Dispatch Password ��â¦ts to Console Directory Watch.
[ OK ] Started Forward Password R��â¦uests to Wall Directory Watch.
[ OK ] Reached target Paths.
[ OK ] Reached target Remote File Systems.
[ OK ] Reached target Slices.
[ OK ] Reached target Swap.
[ OK ] Listening on Syslog Socket.
[ OK ] Listening on initctl Compatibility Named Pipe.
[ OK ] Listening on Journal Audit Socket.
[ OK ] Listening on Journal Socket (/dev/log).
[ OK ] Listening on Journal Socket.
[ OK ] Listening on Network Service Netlink Socket.
[ OK ] Listening on udev Control Socket.
[ OK ] Listening on udev Kernel Socket.
Mounting Huge Pages File System...
Mounting POSIX Message Queue File System...
Mounting Kernel Debug File System...
Mounting Temporary Directory (/tmp)...
[ OK ] Started Hardware RNG Entropy Gatherer Daemon.
Starting Journal Service...
Starting Load Kernel Modules...
Starting Remount Root and Kernel File Systems...
Starting udev Coldplug all Devices...
[ OK ] Mounted Huge Pages File System.
[ OK ] Mounted POSIX Message Queue File System.
[ OK ] Mounted Kernel Debug File System.
[ OK ] Mounted Temporary Directory (/tmp).
[FAILED] Failed to start Load Kernel Modules.
See 'systemctl status systemd-modules-load.service' for details.
[ OK ] Started Remount Root and Kernel File Systems.
Mounting Kernel Configuration File System...
Starting Apply Kernel Variables...
Starting Create Static Device Nodes in /dev...
[ OK ] Mounted Kernel Configuration File System.
[ OK ] Started Journal Service.
Starting Flush Journal to Persistent Storage...
[ OK ] Started Apply Kernel Variables.
[ 10.307712] systemd-journald[1921]: Received client request to flush runtime journal.
[ OK ] Started Flush Journal to Persistent Storage.
[ OK ] Started Create Static Device Nodes in /dev.
[ OK ] Reached target Local File Systems (Pre).
Mounting /var/volatile...
Starting udev Kernel Device Manager...
[ OK ] Mounted /var/volatile.
Starting Load/Save Random Seed...
[ OK ] Reached target Local File Systems.
Starting Create Volatile Files and Directories...
[ OK ] Started udev Kernel Device Manager.
[ OK ] Started Create Volatile Files and Directories.
Starting Network Time Synchronization...
Starting Update UTMP about System Boot/Shutdown...
[ OK ] Started Update UTMP about System Boot/Shutdown.
[ OK ] Started Network Time Synchronization.
[ OK ] Reached target System Time Set.
[ OK ] Reached target System Time Synchronized.
Starting Load Kernel Modules...
[ OK ] Started udev Coldplug all Devices.
[FAILED] Failed to start Load Kernel Modules.
See 'systemctl status systemd-modules-load.service' for details.
[ OK ] Listening on Load/Save RF ��â¦itch Status /dev/rfkill Watch.
[ OK ] Reached target System Initialization.
[ OK ] Started Daily rotation of log files.
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Reached target Timers.
[ OK ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Listening on RPCbind Server Activation Socket.
Starting sshd.socket.
Starting Reboot and dump vmcore via kexec...
[ OK ] Listening on sshd.socket.
[ 13.603384] random: crng init done
[ 13.606786] random: 7 urandom warning(s) missed due to ratelimiting
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
Starting Save/Restore Sound Card State...
[ OK ] Started Job spooling tools.
[ OK ] Started Periodic Command Scheduler.
[ OK ] Started D-Bus System Message Bus.
[ OK ] Started Dynamic Host Configuration Protocol (DHCP).
Starting Packet Filtering Framework...
[ OK ] Started irqbalance daemon.
Starting Telephony service...
Starting RPC Bind Service...
Starting System Logging Service...
Starting Login Service...
[ OK ] Started Load/Save Random Seed.
[ OK ] Started Reboot and dump vmcore via kexec.
[ OK ] Started Save/Restore Sound Card State.
[ OK ] Started Packet Filtering Framework.
[ OK ] Reached target Network (Pre).
[ OK ] Reached target Sound Card.
Starting Network Service...
[ OK ] Started System Logging Service.
[ OK ] Started RPC Bind Service.
[ OK ] Started Telephony service.
[ OK ] Started Network Service.
Starting Network Name Resolution...
[ OK ] Started Login Service.
[ OK ] Started Network Name Resolution.
[ OK ] Reached target Network.
Starting Avahi mDNS/DNS-SD Stack...
Starting Berkeley Internet Name Domain (DNS)...
Starting Postfix Mail Transport Agent...
Starting /etc/rc.local Compatibility...
Starting Permit User Sessions...
Starting Target Communication Framework agent...
[ OK ] Started /etc/rc.local Compatibility.
[ OK ] Started Permit User Sessions.
[ OK ] Started Avahi mDNS/DNS-SD Stack.
[ OK ] Started Getty on tty1.
[ OK ] Started Serial Getty on ttyPS0.
[ OK ] Started Serial Getty on ttyS0.
[ OK ] Reached target Login Prompts.
[ OK ] Started Target Communication Framework agent.
[ OK ] Started Berkeley Internet Name Domain (DNS).
[ OK ] Reached target Host and Network Name Lookups.
[ OK ] Started NFS status monitor for NFSv2/3 locking..
[ OK ] Started Postfix Mail Transport Agent.
[ OK ] Reached target Multi-User System.
Starting Update UTMP about System Runlevel Changes...
[ OK ] Started Update UTMP about System Runlevel Changes.
Wind River Linux development 19.42 xilinx-zynqmp ttyPS0
xilinx-zynqmp login: root
Password:
[ 36.162178] audit: type=1006 audit(1571424691.999:2): pid=3547 uid=0 old-auid=4294967295 auid=0 tty=(none) old-ses=4294967295 ses=1 res=1
root@xilinx-zynqmp:~# uname -a
Linux xilinx-zynqmp 4.19.0-00085-gf0be99aa3709 #24 SMP Fri Oct 18 15:06:29 CST 2019 aarch64 aarch64 aarch64 GNU/Linux
root@xilinx-zynqmp:~# ls
1.sh
root@xilinx-zynqmp:~# echo scan > /sys/kernel/debug/kmemleak
root@xilinx-zynqmp:~# echo scan > /sys/kernel/debug/kmemleak
[ 53.544023] kmemleak: 94 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
root@xilinx-zynqmp:~# cat /sys/kernel/debug/kmemleak
unreferenced object 0xffffffc87a721d80 (size 128):
comm "swapper/0", pid 1, jiffies 4294893082 (age 55.776s)
hex dump (first 32 bytes):
64 70 5f 76 69 64 65 6f 5f 72 65 66 5f 6d 75 78 dp_video_ref_mux
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000bfac29bd>] __kmalloc_track_caller+0xf8/0x160
[<00000000defb32b5>] kvasprintf+0x7c/0x100
[<00000000d32c5a12>] kasprintf+0x60/0x80
[<00000000bfb19a2f>] zynqmp_register_clocks+0x260/0x388
[<0000000041f8826b>] zynqmp_clock_probe+0x304/0x488
[<0000000012e58bf8>] platform_drv_probe+0x50/0xa0
[<000000002b405dce>] really_probe+0x1b0/0x288
[<000000005b788f28>] driver_probe_device+0x58/0x100
[<00000000b89cf7ae>] __device_attach_driver+0x98/0xf0
[<00000000b04a3f91>] bus_for_each_drv+0x64/0xc8
[<000000003a0f2d11>] __device_attach+0xd8/0x130
[<00000000ba521dc3>] device_initial_probe+0x10/0x18
[<000000001ad7dc11>] bus_probe_device+0x90/0x98
[<00000000d45980bd>] device_add+0x3f4/0x618
[<000000005b0b631a>] of_device_add+0x38/0x48
[<00000000d8905244>] of_platform_device_create_pdata+0xb0/0x128
unreferenced object 0xffffffc87a721580 (size 128):
comm "swapper/0", pid 1, jiffies 4294893082 (age 55.776s)
hex dump (first 32 bytes):
64 70 5f 76 69 64 65 6f 5f 72 65 66 5f 64 69 76 dp_video_ref_div
31 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1...............
backtrace:
[<00000000bfac29bd>] __kmalloc_track_caller+0xf8/0x160
[<00000000defb32b5>] kvasprintf+0x7c/0x100
[<00000000d32c5a12>] kasprintf+0x60/0x80
[<00000000bfb19a2f>] zynqmp_register_clocks+0x260/0x388
[<0000000041f8826b>] zynqmp_clock_probe+0x304/0x488
[<0000000012e58bf8>] platform_drv_probe+0x50/0xa0
[<000000002b405dce>] really_probe+0x1b0/0x288
[<000000005b788f28>] driver_probe_device+0x58/0x100
[<00000000b89cf7ae>] __device_attach_driver+0x98/0xf0
[<00000000b04a3f91>] bus_for_each_drv+0x64/0xc8
[<000000003a0f2d11>] __device_attach+0xd8/0x130
[<00000000ba521dc3>] device_initial_probe+0x10/0x18
[<000000001ad7dc11>] bus_probe_device+0x90/0x98
[<00000000d45980bd>] device_add+0x3f4/0x618
[<000000005b0b631a>] of_device_add+0x38/0x48
[<00000000d8905244>] of_platform_device_create_pdata+0xb0/0x128
unreferenced object 0xffffffc87a721200 (size 128):
comm "swapper/0", pid 1, jiffies 4294893082 (age 55.776s)
hex dump (first 32 bytes):
64 70 5f 76 69 64 65 6f 5f 72 65 66 5f 64 69 76 dp_video_ref_div
32 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2...............
backtrace:
[<00000000bfac29bd>] __kmalloc_track_caller+0xf8/0x160
[<00000000defb32b5>] kvaspr^C
--
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