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Message-ID: <08fcbd65-510f-84f8-d6d6-ff56aa9ca9ad@gmail.com>
Date: Wed, 27 Mar 2019 20:40:00 +0300
From: Igor Plyatov <plyatov@...il.com>
To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-spi@...r.kernel.org, NXP Linux Team <linux-imx@....com>,
Fabio Estevam <festevam@...il.com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Sascha Hauer <s.hauer@...gutronix.de>,
Shawn Guo <shawnguo@...nel.org>,
Mark Brown <broonie@...nel.org>, dmaengine@...r.kernel.org,
Vinod Koul <vkoul@...nel.org>,
Dan Williams <dan.j.williams@...el.com>,
Andy Duan <fugang.duan@....com>
Subject: Issues with i.MX SPI DMA transfers
Dear developers,
please, help to resolve two issues with SPI DMA transfers at i.MX6Q
platform.
First issue is
[ 4465.008003] spi_master spi0: I/O Error in DMA RX
Second issue is duplication for one of received bytes.
Probably, these issues related to each one.
I think suspicious code is one of files linux/drivers/spi/spi-imx.c,
linux/drivers/dma/imx-sdma.c, /lib/firmware/imx/sdma/sdma-imx6q.bin.
My environment
--------------
Linux kernel: 5.1.0-rc2 from Linus mainline master branch, where last
commit is 14c741de93861749dfb60b4964028541f5c506ca from Tue Mar 26
14:25:48 2019 -0700.
File "drivers/dma/imx-sdma.c" has been patched by me, because I have
kernel errors "imx-sdma 20ec000.sdma: Timeout waiting for CH0 ready".
Where patch was taken from email of Andy Duan with Subject "[PATCH v2
dmaengine 1/1] dmaengine: imx-sdma: revert: add clock ratio 1:1 check"
E-mail can be found at https://marc.info/?l=dmaengine&m=155322581416268&w=2.
Issues exists in Linux kernel 4.9 too.
SOM (System On Module) is from Toradex and called "Apalis iMX6 Quad 2GB
IT V1.1C". It is installed onto custom carrier board. I think, type of
carrier board is not important, because issue happens even without real
SPI slaves (with SPI loopback enabled).
root@cr7:~# cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 10 (v7l)
BogoMIPS : 6.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x2
CPU part : 0xc09
CPU revision : 10
processor : 1
model name : ARMv7 Processor rev 10 (v7l)
BogoMIPS : 6.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x2
CPU part : 0xc09
CPU revision : 10
processor : 2
model name : ARMv7 Processor rev 10 (v7l)
BogoMIPS : 6.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x2
CPU part : 0xc09
CPU revision : 10
processor : 3
model name : ARMv7 Processor rev 10 (v7l)
BogoMIPS : 6.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x2
CPU part : 0xc09
CPU revision : 10
Hardware : Freescale i.MX6 Quad/DualLite (Device Tree)
Revision : 0000
Serial : 05154315
Linux host acts as SPI master, where different /dev/spidevX.Y files used
for testing.
The tools/spi/spidev_test.c from Linux kernel sources, compiled and used
to test SPI driver from user-space.
I use latest spidev_test.c (it does not change from 4.20.17 up to
5.1.0-rc2).
My custom Device Tree contains description for spidev devices at 3 SPI
bus, with 3 Chip Selects each:
&ecspi1 { // SPI C for Option boards.
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;
cs-gpios = <&gpio5 25 GPIO_ACTIVE_HIGH>,
<&gpio4 11 GPIO_ACTIVE_HIGH>,
<&gpio3 25 GPIO_ACTIVE_HIGH>;
spidev0_0: spidev@0_0 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <0>;
spi-max-frequency = <40000000>;
};
spidev0_1: spidev@0_1 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <1>;
spi-max-frequency = <40000000>;
};
spidev0_2: spidev@0_2 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <2>;
spi-max-frequency = <40000000>;
};
};
&ecspi2 { // SPI A for DSP.
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi2>;
cs-gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>,
<&gpio2 27 GPIO_ACTIVE_HIGH>,
<&gpio3 24 GPIO_ACTIVE_HIGH>;
spidev1_0: spidev@1_0 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <0>;
spi-max-frequency = <40000000>;
};
spidev1_1: spidev@1_1 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <1>;
spi-max-frequency = <40000000>;
};
spidev1_2: spidev@1_2 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <2>;
spi-max-frequency = <40000000>;
};
};
&ecspi5 { // SPI B for DSP.
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi5>;
cs-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>,
<&gpio1 19 GPIO_ACTIVE_HIGH>,
<&gpio1 21 GPIO_ACTIVE_HIGH>;
spidev4_0: spidev@4_0 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <0>;
spi-max-frequency = <40000000>;
};
spidev4_1: spidev@4_1 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <1>;
spi-max-frequency = <40000000>;
};
spidev4_2: spidev@4_2 {
status = "okay";
compatible = "rohm,dh2228fv";
reg = <2>;
spi-max-frequency = <40000000>;
};
};
This gives spidev files:
* /dev/spidev0.0;
* /dev/spidev0.1;
* /dev/spidev0.2;
* /dev/spidev1.0;
* /dev/spidev1.1;
* /dev/spidev1.2;
* /dev/spidev4.0;
* /dev/spidev4.1;
* /dev/spidev4.2
Testing method
--------------
insmod /virt-dma.ko
insmod /imx-sdma.ko
insmod /spi-bitbang.ko
insmod /spi-imx.ko
insmod /spidev.ko
Kernel says
[ 310.818010] fsl-ssi-dai 2028000.ssi: No cache defaults, reading
back from HW
[ 310.830859] imx-sdma 20ec000.sdma: loaded firmware 3.3
[ 310.865237] imx-sgtl5000 sound: sgtl5000 <-> 2028000.ssi mapping ok
[ 310.875560] spi_imx 2008000.spi: probed
[ 310.883855] spi_imx 200c000.spi: probed
[ 310.899010] spi_imx 2018000.spi: probed
Real SPI slave devices unused, because SPI loopback enabled.
SPI mode: 0;
Bits per word: 8;
Transfer size: 512 bytes;
SPI speeds: 100 kHz and 10 MHz;
Test commands are
spidev_test -D /dev/spidevX.Y -s 10000000 -b 8 -S 512 -I 1000000 -l
where different devices used.
Description of issues
---------------------
Issue #1
========
Sometimes, during test I see error
root@cr7:~# spidev_test -D /dev/spidev0.1 -s 100000 -b 8 -S 512 -I 1 -v -l
spi mode: 0x20
bits per word: 8
max speed: 100000 Hz (100 KHz)
[ 4465.008003] spi_master spi0: I/O Error in DMA RX
[ 4465.012681] spidev spi0.1: SPI transfer failed: -110
[ 4465.017676] spi_master spi0: failed to transfer one message from queue
can't send spi message: Connection timed out
Aborted (core dumped)
Issue is hard to reproduce, because it can arise after unpredictable
period of time.
Once, issue was catched immediately after start of test.
It is unclear - what can increase repeatability of issue.
Issue #2
========
Periodically, I see distortion of received data. One of received bytes
is duplicated and it shifts next bytes and throws last byte.
Probability to catch this issue increase if parallel test commands
executed for different SPI devices.
Also, probability increase with increase of SPI speed.
If testing command execute alone, then issue arise after ~2 minutes.
If 2 testing commands execute in parallel for two /dev/spidev files,
then issue can arise after some seconds.
Issue looks as following:
root@cr7:~# spidev_test -D /dev/spidev4.2 -s 10000000 -b 8 -S 512 -I
1000000 -l
spi mode: 0x20
bits per word: 8
max speed: 10000000 Hz (10000 KHz)
transfer error !
TX | 85 5F 56 44 65 DD A9 4B B0 9E D1 B4 EE F8 8C 70 91 DB EB E7 83 D4
65 5E 46 D4 8E 1E 56 09 38 DC |._VDe..K.......p......e^F...V.8.|
TX | 69 8E 20 CE 6B C9 1A 1B 68 EB CF 56 E4 5B C6 75 37 B1 5C BA 85 C1
18 CB 95 A6 E9 EB B0 22 C7 19 |i. .k...h..V.[.u7.\.........."..|
TX | B0 E7 E7 1C B1 01 37 19 ED 07 6F D1 62 35 46 99 E6 A2 54 6C 63 6C
37 F8 13 21 E3 C3 43 AB DC F3 |......7...o.b5F...Tlcl7..!..C...|
TX | 92 C3 0F 43 C5 47 5C B2 4E CB 83 B0 00 C9 4A E7 6B 9E 53 CE 0A 8A
C6 1D AB A9 E0 EE 54 BC E2 E7 |...C.G\.N.....J.k.S.........T...|
TX | 80 F1 2A 45 38 87 F7 86 52 7A 37 53 43 81 3A AE 1F 8D 7C 29 17 42
47 C3 EB 27 B1 40 E4 93 27 64 |..*E8...Rz7SC.:...|).BG..'.@...d|
TX | 85 51 A9 BD D8 A0 44 2B 1A 7B 7E 5D FC B8 0B 1B 45 87 44 5C C9 8B
1F B4 B3 D1 F4 97 64 1B FB E9 |.Q....D+.{~]....E.D\........d...|
TX | 6D A4 A7 45 44 EB 70 5E 66 EE BB 62 A6 C6 7D EB 4D C1 48 16 4D 67
CA 00 38 BF 97 9D DA 92 86 47 |m..ED.p^f..b..}.M.H.Mg..8......G|
TX | 36 2D 8D 7A 18 FD D8 7E EC 93 E0 92 59 5D 7E A6 1F C6 BC 6C 2D 86
6C 66 45 03 03 20 95 89 67 CB |6-.z...~....Y]~....l-.lfE.. ..g.|
TX | B7 F4 45 CF F2 1D 4E DE B0 2E 70 09 8C EE AF AB B4 6B 17 E2 F1 83
48 37 86 4B 57 1B D4 BE E6 8B |..E...N...p......k....H7.KW.....|
TX | B3 2B 5B A5 48 A9 83 F8 D7 F3 01 63 E2 B0 0E 96 1B 25 78 0C A8 C0
43 2E 0B 9A 49 E0 59 2F 6B 0C |.+[.H......c.....%x...C...I.Y/k.|
TX | 5A C6 B1 A2 6F 34 9A 47 27 9B AA 09 4B B9 A0 66 DE 18 73 87 D9 B6
B5 E4 51 FF C4 AA 2E 30 B6 89 |Z...o4.G'...K..f..s.....Q....0..|
TX | F6 67 2B 66 9B C6 AD C2 61 57 CC AD 10 6C 13 EF 84 86 76 5D 3D 2B
42 8E 2A 06 38 59 36 EE E2 2D |.g+f....aW...l....v]=+B.*.8Y6..-|
TX | 55 0D 93 F0 D3 40 B2 35 97 7E E2 A8 EA F5 97 6F 7C 0D CC B9 38 0E
47 63 15 7F BC 4B 6D 9E 78 C2 |U....@...~.....o|...8.Gc...Km.x.|
TX | AB 0B B2 7F 4B 64 B4 E3 E3 96 8B CD 8B 22 3C 07 2F 09 C0 67 17 07
CA 2C 86 86 78 F3 24 F0 B5 D0 |....Kd......."<./..g...,..x.$...|
TX | FC 67 4F 47 CC 03 2A AF 99 B5 7C 24 D7 B9 2C 06 C2 EC 6E D9 F4 38
06 7A BF 7E 6E E3 6E 23 B3 6A |.gOG..*...|$..,...n..8.z.~n.n#.j|
TX | 8B 02 B2 57 05 DC 06 9E 92 82 C3 69 3B EF 70 FD DB DE D7 CF 16 DD
4A D5 5B B8 B9 C9 DB 6C 34 66 |...W.......i;.p.......J.[....l4f|
RX | 85 5F 56 44 65 DD A9 4B B0 9E D1 B4 EE F8 8C 70 91 DB EB E7 83 D4
65 5E 46 D4 8E 1E 56 09 38 DC |._VDe..K.......p......e^F...V.8.|
RX | 69 8E 20 CE 6B C9 1A 1B 68 EB CF 56 E4 5B C6 75 37 B1 5C BA 85 C1
18 CB 95 A6 E9 EB B0 22 C7 19 |i. .k...h..V.[.u7.\.........."..|
RX | B0 E7 E7 1C B1 B1 01 37 19 ED 07 6F D1 62 35 46 99 E6 A2 54 6C 63
6C 37 F8 13 21 E3 C3 43 AB DC |.......7...o.b5F...Tlcl7..!..C..|
RX | F3 92 C3 0F 43 C5 47 5C B2 4E CB 83 B0 00 C9 4A E7 6B 9E 53 CE 0A
8A C6 1D AB A9 E0 EE 54 BC E2 |....C.G\.N.....J.k.S.........T..|
RX | E7 80 F1 2A 45 38 87 F7 86 52 7A 37 53 43 81 3A AE 1F 8D 7C 29 17
42 47 C3 EB 27 B1 40 E4 93 27 |...*E8...Rz7SC.:...|).BG..'.@...|
RX | 64 85 51 A9 BD D8 A0 44 2B 1A 7B 7E 5D FC B8 0B 1B 45 87 44 5C C9
8B 1F B4 B3 D1 F4 97 64 1B FB |d.Q....D+.{~]....E.D\........d..|
RX | E9 6D A4 A7 45 44 EB 70 5E 66 EE BB 62 A6 C6 7D EB 4D C1 48 16 4D
67 CA 00 38 BF 97 9D DA 92 86 |.m..ED.p^f..b..}.M.H.Mg..8......|
RX | 47 36 2D 8D 7A 18 FD D8 7E EC 93 E0 92 59 5D 7E A6 1F C6 BC 6C 2D
86 6C 66 45 03 03 20 95 89 67 |G6-.z...~....Y]~....l-.lfE.. ..g|
RX | CB B7 F4 45 CF F2 1D 4E DE B0 2E 70 09 8C EE AF AB B4 6B 17 E2 F1
83 48 37 86 4B 57 1B D4 BE E6 |...E...N...p......k....H7.KW....|
RX | 8B B3 2B 5B A5 48 A9 83 F8 D7 F3 01 63 E2 B0 0E 96 1B 25 78 0C A8
C0 43 2E 0B 9A 49 E0 59 2F 6B |..+[.H......c.....%x...C...I.Y/k|
RX | 0C 5A C6 B1 A2 6F 34 9A 47 27 9B AA 09 4B B9 A0 66 DE 18 73 87 D9
B6 B5 E4 51 FF C4 AA 2E 30 B6 |.Z...o4.G'...K..f..s.....Q....0.|
RX | 89 F6 67 2B 66 9B C6 AD C2 61 57 CC AD 10 6C 13 EF 84 86 76 5D 3D
2B 42 8E 2A 06 38 59 36 EE E2 |..g+f....aW...l....v]=+B.*.8Y6..|
RX | 2D 55 0D 93 F0 D3 40 B2 35 97 7E E2 A8 EA F5 97 6F 7C 0D CC B9 38
0E 47 63 15 7F BC 4B 6D 9E 78 |-U....@...~.....o|...8.Gc...Km.x|
RX | C2 AB 0B B2 7F 4B 64 B4 E3 E3 96 8B CD 8B 22 3C 07 2F 09 C0 67 17
07 CA 2C 86 86 78 F3 24 F0 B5 |.....Kd......."<./..g...,..x.$..|
RX | D0 FC 67 4F 47 CC 03 2A AF 99 B5 7C 24 D7 B9 2C 06 C2 EC 6E D9 F4
38 06 7A BF 7E 6E E3 6E 23 B3 |..gOG..*...|$..,...n..8.z.~n.n#.|
RX | 6A 8B 02 B2 57 05 DC 06 9E 92 82 C3 69 3B EF 70 FD DB DE D7 CF 16
DD 4A D5 5B B8 B9 C9 DB 6C 34 |j...W.......i;.p.......J.[....l4|
root@cr7:~# spidev_test -D /dev/spidev4.2 -s 10000000 -b 8 -S 512 -I
1000000 -l
spi mode: 0x20
bits per word: 8
max speed: 10000000 Hz (10000 KHz)
transfer error !
TX | B1 5F DB DA 56 B7 B3 33 E0 AC F0 51 46 C4 33 57 58 A8 7F 20 21 D4
11 25 F3 26 27 A0 24 10 7F D5 |._..V..3...QF.3WX.. !..%.&'.$...|
TX | 6F 5A B0 C5 11 63 F9 F1 10 E9 42 56 AD 76 AD 05 1E 2D 25 3F 01 36
64 F4 5C 8C 95 80 9C 14 56 0B |oZ...c....BV.v...-%?.6d.\.....V.|
TX | 6F 06 D1 80 69 CA 72 79 B3 B4 CF 61 2A 7D 66 48 AA 8C 88 AB C2 EC
9F 1F 78 34 9F 14 49 F5 20 B8 |o...i.ry...a*}fH........x4..I. .|
TX | FB F1 38 65 BB AA DE 6E 5F AE CF 89 2B 36 D2 D5 C2 5A 80 84 46 1F
A3 BF 54 43 D3 9D 38 F3 55 34 |..8e...n_...+6...Z..F...TC..8.U4|
TX | E4 8D 99 9F 38 77 0E 97 25 DD 20 50 13 F2 25 D5 4C A5 5A 93 C5 FD
52 19 40 25 B6 79 19 0B AD FD |....8w..%. P..%.L.Z...R.@.......|
TX | 98 46 9D D0 BD AB 67 E3 88 88 33 9C 7A 59 71 C7 FE CB 5A C3 C9 AC
DC 09 D1 92 82 EA 9D 2F E8 36 |.F....g...3.zYq...Z........../.6|
TX | 75 85 06 33 30 6E 16 B8 F6 49 54 70 A2 C6 37 A1 91 91 64 5A 3D 41
64 0F D3 E6 F9 71 16 E1 A7 8B |u..30n...ITp..7...dZ=Ad....q....|
TX | 66 AD BE 96 1B D4 4F 11 1E A3 82 C0 69 B9 61 FB 4B C6 55 88 07 B9
97 DA A0 91 4B B6 72 F2 41 D9 |f.....O.....i.a.K.U.......K.r.A.|
TX | A0 00 6F BB D4 BE CD F2 62 4F B3 CB 08 14 C6 53 DA 1C DC E1 D5 73
BC 75 04 07 2B 77 FA 6D 50 9A |..o.....bO.....S.....s.u..+w.mP.|
TX | 6D BF 55 41 7E 22 34 E0 71 E7 AB 7A FB 72 CD D6 8E A9 B7 63 1D 73
D9 21 7B 04 98 75 71 E8 0F DE |m.UA~"4.q..z.r.....c.s.!{..uq...|
TX | A8 64 20 26 87 54 06 F8 3B B1 72 36 23 40 0C B1 E9 C4 15 06 37 EE
28 B2 F2 C0 27 64 A9 36 42 51 |.d &.T..;.r6#@......7.(...'d.6BQ|
TX | 9B 62 77 22 B6 7D 1A F1 2E 8D 28 52 CD 34 03 B6 F8 18 BD 30 06 E5
E2 F9 A5 0A 5D 4E 40 9F 9F DB |.bw".}....(R.4.....0......]N@...|
TX | 02 16 FD B8 93 18 AA C2 A5 D2 14 72 06 17 28 FF 30 E5 2F 36 CA 11
2F 70 1B 8C BE 5C 2C 5E 37 2E |...........r..(.0./6../p...\,^7.|
TX | 74 35 E6 08 4D 90 CA F2 62 DE 64 69 F5 8C 68 25 72 97 5C 3C A8 8B
AC C4 18 6B 20 44 C9 57 72 3D |t5..M...b.di..h%r.\<.....k D.Wr=|
TX | 8C 58 45 D9 E9 0F CB 4B ED 2F B4 E3 BC 1C 08 2E B3 64 6A 5C F0 17
20 08 82 40 4C 4B 97 BE 88 24 |.XE....K./.......dj\.. ..@.....$|
TX | 16 CE FD FF DD C9 4B CB F8 FF AE B4 1C B6 E2 CF 1B 4D 2B 0B 64 4B
13 E6 8B 5F 31 23 1D B9 47 33 |......K..........M+.dK..._1#..G3|
RX | B1 5F DB DA 56 B7 B3 33 E0 AC F0 51 46 C4 33 57 58 A8 7F 20 21 D4
11 25 F3 26 27 A0 24 10 7F D5 |._..V..3...QF.3WX.. !..%.&'.$...|
RX | 6F 5A B0 C5 11 63 63 F9 F1 10 E9 42 56 AD 76 AD 05 1E 2D 25 3F 01
36 64 F4 5C 8C 95 80 9C 14 56 |oZ...cc....BV.v...-%?.6d.\.....V|
RX | 0B 6F 06 D1 80 69 CA 72 79 B3 B4 CF 61 2A 7D 66 48 AA 8C 88 AB C2
EC 9F 1F 78 34 9F 14 49 F5 20 |.o...i.ry...a*}fH........x4..I. |
RX | B8 FB F1 38 65 BB AA DE 6E 5F AE CF 89 2B 36 D2 D5 C2 5A 80 84 46
1F A3 BF 54 43 D3 9D 38 F3 55 |...8e...n_...+6...Z..F...TC..8.U|
RX | 34 E4 8D 99 9F 38 77 0E 97 25 DD 20 50 13 F2 25 D5 4C A5 5A 93 C5
FD 52 19 40 25 B6 79 19 0B AD |4....8w..%. P..%.L.Z...R.@......|
RX | FD 98 46 9D D0 BD AB 67 E3 88 88 33 9C 7A 59 71 C7 FE CB 5A C3 C9
AC DC 09 D1 92 82 EA 9D 2F E8 |..F....g...3.zYq...Z........../.|
RX | 36 75 85 06 33 30 6E 16 B8 F6 49 54 70 A2 C6 37 A1 91 91 64 5A 3D
41 64 0F D3 E6 F9 71 16 E1 A7 |6u..30n...ITp..7...dZ=Ad....q...|
RX | 8B 66 AD BE 96 1B D4 4F 11 1E A3 82 C0 69 B9 61 FB 4B C6 55 88 07
B9 97 DA A0 91 4B B6 72 F2 41 |.f.....O.....i.a.K.U.......K.r.A|
RX | D9 A0 00 6F BB D4 BE CD F2 62 4F B3 CB 08 14 C6 53 DA 1C DC E1 D5
73 BC 75 04 07 2B 77 FA 6D 50 |...o.....bO.....S.....s.u..+w.mP|
RX | 9A 6D BF 55 41 7E 22 34 E0 71 E7 AB 7A FB 72 CD D6 8E A9 B7 63 1D
73 D9 21 7B 04 98 75 71 E8 0F |.m.UA~"4.q..z.r.....c.s.!{..uq..|
RX | DE A8 64 20 26 87 54 06 F8 3B B1 72 36 23 40 0C B1 E9 C4 15 06 37
EE 28 B2 F2 C0 27 64 A9 36 42 |..d &.T..;.r6#@......7.(...'d.6B|
RX | 51 9B 62 77 22 B6 7D 1A F1 2E 8D 28 52 CD 34 03 B6 F8 18 BD 30 06
E5 E2 F9 A5 0A 5D 4E 40 9F 9F |Q.bw".}....(R.4.....0......]N@..|
RX | DB 02 16 FD B8 93 18 AA C2 A5 D2 14 72 06 17 28 FF 30 E5 2F 36 CA
11 2F 70 1B 8C BE 5C 2C 5E 37 |............r..(.0./6../p...\,^7|
RX | 2E 74 35 E6 08 4D 90 CA F2 62 DE 64 69 F5 8C 68 25 72 97 5C 3C A8
8B AC C4 18 6B 20 44 C9 57 72 |.t5..M...b.di..h%r.\<.....k D.Wr|
RX | 3D 8C 58 45 D9 E9 0F CB 4B ED 2F B4 E3 BC 1C 08 2E B3 64 6A 5C F0
17 20 08 82 40 4C 4B 97 BE 88 |=.XE....K./.......dj\.. ..@.....|
RX | 24 16 CE FD FF DD C9 4B CB F8 FF AE B4 1C B6 E2 CF 1B 4D 2B 0B 64
4B 13 E6 8B 5F 31 23 1D B9 47 |$......K..........M+.dK..._1#..G|
Best wishes.
--
Igor Plyatov
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