Building a kernel 3.12-rc2 for the imx23-olinuxino

[Fadil Berisha]

Repository https://github.com/koliqi/imx23-olinuxino is updated with new branch 3.12-rc2.
Instructions for how to clone branch and build kernel are at http://g-lab.ca/building-a-kernel-3-12-rc2-for-the-imx23-olinuxino/

This build brings patches to support i2c for imx23-olinuxino board's and also audio driver for i.MX23 SoC. You can use those patches also to build kernel 3.12-rc2 to boot with u-boot loader. In this case, instructions to build kernel are at http://g-lab.ca/u-boot-bootloader-for-imx23-olinuxino-board/

Fadil Berisha

[olimex]

there is weird problem with the USB in Kernel 3.x
imx233-OLinuXino-MINI-WIFI with Kernel 3.xx when USB devices is plug on SOME boards the USB gives error -71 and stops working

same boards which do not work with 3.X kernel work fine when boot with Kernel 2.6.x

any idea what may be wrong?

[Fadil Berisha]

Since that occurs only on imx233-OLinuXino-MINI-WIFI, I am willing to blame RTL81xx driver. We did lot of tests with imx233-OLinuXino-MINI-WIFI and kernel 3.7.1. and everything was OK.  After 3.7.1, wifi driver has been changed.
Please check any "nonworking" board with kernel 3.7.1 and compare result with 3.11.x / 3.12.x.
You can find 3.7.1 image at https://www.dropbox.com/s/rfnmzdbcu21pfgf/sd_mmc_bootstream.raw.   

Regards

Fadil Berisha

[olimex]

here are the messages when USB device is plugged and dmesg http://pastie.org/8357431

[manchot50]

hello,

   I try 3.12.RC1 on imx nano, without you re patch, run fine

   Now i go recompil with you re patch and see

   Thank s for you re great job !!!!!!!!!!!!!!!!!!

Best regards

[manchot50]

OK, work on imx233 nano, i use u-boot.

But why i have 49 m of free ram, i haven't a 64 m system ?  is for all kernel....  where is my RAM ?

A+

[Evgeny Boger]

Hello, Fadil,

Did you try to use rtl8188cu patch with 3.12?

[Christian Jann]

I have also the feeling that USB is broken in 3.12-rc2 but works in 3.12-rc1. At least none of my USB WiFi adapters works in 3.12-rc2 but they are working in 3.12-rc1.

Did you try to use rtl8188cu patch with 3.12?

Why not use the driver that comes with 3.12:

Code Select Expand


Device Drivers  --->
      [*] Network device support  --->
        [*]   Wireless LAN  --->
          <*>   Realtek rtlwifi family of devices (NEW)  --->
              --- Realtek rtlwifi family of devices
              <*>   Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter
              [ ]   Debugging output for rtlwifi driver family


And i2c seems to be broken too:

Code Select Expand


Device Drivers  --->
    <*> I2C support  --->
      --- I2C support
      <*>   I2C device interface
            I2C Hardware Bus support  --->
              *** I2C system bus drivers (mostly embedded / system-on-chip) ***
              <*> GPIO-based bitbanging I2C
              <*> Freescale i.MX28 I2C interface
      [*]   I2C Core debugging messages
      [*]   I2C Algorithm debugging messages
      [*]   I2C Bus debugging messages


Code Select Expand


[root@olinuxino ~]# ./i2c-tool -w 0 0x48 4 0x02 0xA0 0x40 0x03
SLAVE ADDRESS: 0x48
NUMBER OF BYTES TO WRITE: 4
MEMORY ALLOCATED AT ADDRESS: 0x718008
/dev/i2c-0 OPENDED!
Failed writing to the I2C-bus: Connection timed out
[root@olinuxino ~]# ./i2c-tool -w 0 0x48 4 0x02 0xA0 0x40 0x03
SLAVE ADDRESS: 0x48
NUMBER OF BYTES TO WRITE: 4
MEMORY ALLOCATED AT ADDR[ 3869.780000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
ESS: 0x1813008
/dev/i2c-0 OPENDED!
Failed writing to the I2C-bus: Invalid argument
[root@olinuxino ~]# echo "test" > /dev/i2c-0
[ 1886.780000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-bash: echo: write error: Invalid argument
[root@olinuxino ~]# echo "test" > /dev/i2c-0
-bash: echo: write error: Connection timed out
[root@olinuxino ~]# echo "test" > /dev/i2c-0
[ 2124.730000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-bash: echo: write error: Invalid argument
[root@olinuxino ~]# echo "test" > /dev/i2c-0
-bash: echo: write error: Connection timed out
[root@olinuxino ~]# echo "test" > /dev/i2c-0
[ 2130.920000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-bash: echo: write error: Invalid argument
[root@olinuxino ~]# echo "test" > /dev/i2c-0
-bash: echo: write error: Connection timed out
[root@olinuxino ~]# i2cdetect 0
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-0.
I will probe address range 0x03-0x77.
Continue? [Y/n] y
    0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: [ 2255.550000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2256.580000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2257.580000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2258.580000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: [ 2259.610000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2260.640000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2261.640000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2262.640000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2263.640000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2264.640000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2265.640000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- -- [ 2266.640000] mxs-i2c 80058000.i2c: Failed to get PIO reg. write descriptor.
-- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --                         
[root@olinuxino ~]#


[Evgeny Boger]

Why not use the driver that comes with 3.12:

This one doesn't work well with rtl8188CUS chip, at least in kernel 3.11.

[Fadil Berisha]

Did you try to use rtl8188cu patch with 3.12?

Evgeny,

I did patch for rtl8188cu for build 3.7.1 and worked well. That patch was directly from RTL web site and I did only work needed to be incorporated on new kernel. Later I read somewhere that build in driver work well and I didn't push further that variant.

I have also the feeling that USB is broken in 3.12-rc2 but works in 3.12-rc1.

Christian,
I see at https://www.kernel.org/diff/diffview.cgi?file=/pub/linux/kernel/v3.x/testing/patch-3.12-rc2.xz  some minor changes on mxs USB driver ( /drivers/usb/phy/phy-mxs-usb.c) but I don't consider those changes to be source of problem.

About i2c. My patch adding i2c support on imx23-olinuxino board and doesn't affect work of i2c driver. There are 3 new patches from Marek Vasut for i2c (distinguish imx23/28 and PIO rework). I didn't incorporate them here because they are still  on i2c mail list waiting for some rework. As soon they get on linux-next, I will incorporate them on build for 3.12-rc2.

About rtl8188cu. My feeling is build in driver is source of problem. Because of that suggested to Olimex to "check any "nonworking" board with kernel 3.7.1 and compare result with 3.11.x / 3.12.x."
If that work on 3.7.1, I am willing to bring again driver from RTL's website  on new build 3.12-rc2

Fadil Berisha
 

[Christian Jann]

Hi Fadil, do you mean http://www.spinics.net/lists/linux-i2c/msg12844.html:
[PATCH RESEND 1/3] i2c: mxs: distinguish i.MX23 and i.MX28 based I2C controller
[PATCH V2 2/3] i2c: mxs: Rework the PIO mode operation
[PATCH RESEND 3/3] i2c: mxs: Fix PIO mode on i.MX23

I was hoping that i2c would finally work out of the box. I can see that MXS_I2C_V1, MXS_I2C_V2 gets added there to distinguish between i.MX23 and i.MX28. This looks similar to a older patch from Nii https://www.olimex.com/forum/index.php?topic=283.msg2872#msg2872. Hopefully this solves all the i2c problems. I will try to add it line by line.

And sorry I've compiled 3.12-rc2 again and USB is working, can't reproduce my problem, I must have done a stupid mistake somewhere.

[Fadil Berisha]

Hi Christian,

Yes, I had in mind those patches. Nii did great job at that time but looks hi didn't push on i2c list. Please come back with results if you get together those patches.

Regards

Fadil Berisha

[Evgeny Boger]

I did patch for rtl8188cu for build 3.7.1 and worked well. That patch was directly from RTL web site and I did only work needed to be incorporated on new kernel. Later I read somewhere that build in driver work well and I didn't push further that variant.

Sorry for misinform you. I've just checked the rtlwifi driver, it actually works with 3.12-rc2.
It works only with antenna though, that's why I initially thought it doesn't.
rtl8188cu driver allow me to connect to the network even without antenna.

I've seen somewhere on the internet the statement that rtl8188cu performs better than rtlwifi in terms of signal power or so. I'm not sure whether it's true or not since working without antenna at all is somewhat unusual scenario.

[TrevorPage]

Thanks for this work.

I just followed your excellent blog closely, and on trying to boot the SD card on my Olinuxino, I get the following sequence:

Code Select Expand


LLLLLLLFCLJ[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 3.12.0-rc2 (trevor@trevor-N56VZ) (gcc version 4.7.3 (Ub
untu/Linaro 4.7.3-1ubuntu1) ) #1 Sun Sep 29 16:57:03 BST 2013
[    0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] Machine: Freescale MXS (Device Tree), model: i.MX23 Olinuxino Low Cos
t Board
[    0.000000] Memory policy: ECC disabled, Data cache writeback
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages:
16256
[    0.000000] Kernel command line: noinitrd console=ttyAMA0,115200 root=/dev/mmcblk
0p2 rw rootwait ssp1=mmc
[    0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Memory: 52484K/65536K available (4610K kernel code, 286K rwdata, 1768
K rodata, 222K init, 5487K bss, 13052K reserved)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     vmalloc : 0xc4800000 - 0xff000000   ( 936 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xc4000000   (  64 MB)
[    0.000000]     modules : 0xbf000000 - 0xc0000000   (  16 MB)
[    0.000000]       .text : 0xc0008000 - 0xc0642eb8   (6380 kB)
[    0.000000]       .init : 0xc0643000 - 0xc067ab44   ( 223 kB)
[    0.000000]       .data : 0xc067c000 - 0xc06c3bd0   ( 287 kB)
[    0.000000]        .bss : 0xc06c3bd0 - 0xc0c1fa20   (5488 kB)
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] NR_IRQS:16 nr_irqs:16 16
[    0.000000] of_irq_init: children remain, but no parents
[    0.000000] sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every 42
94967286ms
[    0.000000] Console: colour dummy device 80x30
[    0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Mol
nar
[    0.000000] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.000000] ... MAX_LOCK_DEPTH:          48
[    0.000000] ... MAX_LOCKDEP_KEYS:        8191
[    0.000000] ... CLASSHASH_SIZE:          4096
[    0.000000] ... MAX_LOCKDEP_ENTRIES:     16384
[    0.000000] ... MAX_LOCKDEP_CHAINS:      32768
[    0.000000] ... CHAINHASH_SIZE:          16384
[    0.000000]  memory used by lock dependency info: 3695 kB
[    0.000000]  per task-struct memory footprint: 1152 bytes
[    0.060000] Calibrating delay loop... 227.32 BogoMIPS (lpj=1136640)
[    0.070000] pid_max: default: 32768 minimum: 301
[    0.070000] Mount-cache hash table entries: 512
[    0.080000] CPU: Testing write buffer coherency: ok
[    0.080000] Setting up static identity map for 0xc0461158 - 0xc04611b0
[    0.100000] devtmpfs: initialized
[    0.110000] pinctrl core: initialized pinctrl subsystem
[    0.110000] regulator-dummy: no parameters
[    0.120000] NET: Registered protocol family 16
[    0.120000] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.180000] Serial: AMBA PL011 UART driver
[    0.180000] 80070000.serial: ttyAMA0 at MMIO 0x80070000 (irq = 17, base_baud = 0)
is a PL011 rev2
[    0.370000] console [ttyAMA0] enabled
[    0.410000] bio: create slab <bio-0> at 0
[    0.420000] mxs-dma 80004000.dma-apbh: initialized
[    0.430000] mxs-dma 80024000.dma-apbx: initialized
[    0.440000] usb0_vbus: 5000 mV
[    0.440000] SCSI subsystem initialized
[    0.450000] usbcore: registered new interface driver usbfs
[    0.450000] usbcore: registered new interface driver hub
[    0.460000] usbcore: registered new device driver usb
[    0.470000] pps_core: LinuxPPS API ver. 1 registered
[    0.470000] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
<giometti@linux.it>
[    0.480000] PTP clock support registered
[    0.480000] Advanced Linux Sound Architecture Driver Initialized.
[    0.490000] Switched to clocksource mxs_timer
[    0.790000] NET: Registered protocol family 2
[    0.800000] TCP established hash table entries: 512 (order: 0, 4096 bytes)
[    0.810000] TCP bind hash table entries: 512 (order: 2, 18432 bytes)
[    0.820000] TCP: Hash tables configured (established 512 bind 512)
[    0.830000] TCP: reno registered
[    0.830000] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    0.840000] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    0.850000] NET: Registered protocol family 1
[    0.850000] RPC: Registered named UNIX socket transport module.
[    0.860000] RPC: Registered udp transport module.
[    0.870000] RPC: Registered tcp transport module.
[    0.870000] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.880000] NetWinder Floating Point Emulator V0.97 (double precision)
[    0.960000] NFS: Registering the id_resolver key type
[    0.970000] Key type id_resolver registered
[    0.970000] Key type id_legacy registered
[    0.980000] jffs2: version 2.2. (NAND) �© 2001-2006 Red Hat, Inc.
[    0.990000] msgmni has been set to 102
[    1.010000] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    1.020000] io scheduler noop registered (default)
[    1.030000] of_dma_request_slave_channel: dma-names property of node '/apb@800000
00/apbx@80040000/serial@80070000' missing or empty
[    1.040000] uart-pl011 80070000.serial: no DMA platform data
[    1.050000] 8006c000.serial: ttyAPP0 at MMIO 0x8006c000 (irq = 145, base_baud = 1
500000) is a 8006c000.serial
[    1.060000] mxs-auart 8006c000.serial: Found APPUART 3.0.0
[    1.090000] usbcore: registered new interface driver asix
[    1.090000] usbcore: registered new interface driver ax88179_178a
[    1.100000] usbcore: registered new interface driver cdc_ether
[    1.100000] usbcore: registered new interface driver r815x
[    1.110000] usbcore: registered new interface driver smsc95xx
[    1.120000] usbcore: registered new interface driver net1080
[    1.120000] usbcore: registered new interface driver cdc_subset
[    1.130000] usbcore: registered new interface driver zaurus
[    1.140000] usbcore: registered new interface driver cdc_ncm
[    1.140000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.150000] usbcore: registered new interface driver usb-storage
[    1.160000] ci_hdrc ci_hdrc.0: doesn't support gadget
[    1.170000] ci_hdrc ci_hdrc.0: EHCI Host Controller
[    1.170000] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1
[    1.200000] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00
[    1.210000] hub 1-0:1.0: USB hub found
[    1.220000] hub 1-0:1.0: 1 port detected
[    1.230000] mousedev: PS/2 mouse device common for all mice
[    1.240000] stmp3xxx-rtc 8005c000.rtc: rtc core: registered 8005c000.rtc as rtc0
[    1.250000] i2c /dev entries driver
[    1.270000] stmp3xxx_rtc_wdt stmp3xxx_rtc_wdt: initialized watchdog with heartbea
t 19s
[    1.320000] mxs-mmc 80010000.ssp: initialized
[    1.340000] usbcore: registered new interface driver usbhid
[    1.340000] usbhid: USB HID core driver
[    1.350000] mxs-lradc 80050000.lradc: Touchscreen not enabled.
[    1.390000] mxs-builtin-audio mxs-builtin-audio.6:  mxs-builtin-codec-dai <-> 800
48000.mxs-builtin-cpu-dai mapping ok
[    1.420000] TCP: cubic registered
[    1.430000] NET: Registered protocol family 17
[    1.440000] Key type dns_resolver registered
[    1.450000] registered taskstats version 1
[    1.460000] mmc0: host does not support reading read-only switch. assuming write-
enable.
[    1.470000] mmc0: new high speed SDHC card at address e624
[    1.480000] stmp3xxx-rtc 8005c000.rtc: setting system clock to 1970-01-01 00:07:0
3 UTC (423)
[    1.490000] mmcblk0: mmc0:e624 SU08G 7.40 GiB
[    1.520000]  mmcblk0: p1 p2 p3
[    1.540000] ALSA device list:
[    1.550000]   #0: mxs-builtin-audio
[    1.550000] usb 1-1: new high-speed USB device number 2 using ci_hdrc
�[    1.690000] kjournald starting.  Commit interval 5 seconds
[    1.700000] EXT3-fs (mmcblk0p2): using internal journal
[    1.710000] EXT3-fs (mmcblk0p2): recovery complete
[    1.710000] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[    1.720000] VFS: Mounted root (ext3 filesystem) on device 179:2.
[    1.740000] hub 1-1:1.0: USB hub found
[    1.740000] hub 1-1:1.0: 3 ports detected
[    1.750000] devtmpfs: mounted
[    1.750000] Freeing unused kernel memory: 220K (c0643000 - c067a000)
[    2.040000] usb 1-1.1: new high-speed USB device number 3 using ci_hdrc
[    2.170000] smsc95xx v1.0.4
[    2.320000] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-ci_hdrc.0-1.1, sm
sc95xx USB 2.0 Ethernet, fa:f5:2c:a6:12:06
�[    2.360000] systemd[1]: Failed to enumerate cgroup controllers: No such file or
directory
[    2.370000] systemd[1]: systemd 207 running in system mode. (+PAM -LIBWRAP -AUDIT
-SELINUX -IMA -SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ)
�
Welcome to Arch Linux ARM!

[    2.440000] systemd[1]: Failed to insert module 'autofs4'
[    2.440000] systemd[1]: Failed to insert module 'ipv6'
[    2.450000] systemd[1]: Set hostname to <alarm>.
[    2.480000] systemd[1]: CONFIG_CGROUPS was not set when your kernel was compiled.
Systems without control groups are not supported. We will now sleep for 10s, and th
en continue boot-up. Expect breakage and please do not file bugs. Instead fix your k
ernel and enable CONFIG_CGROUPS. Consult http://0pointer.de/blog/projects/cgroups-vs
-cgroups.html for more information.
[   12.530000] systemd[1]: No control group support available, not creating root gro
up.
[   12.740000] systemd-gpt-auto-generator[41]: Failed to verify GPT partition /dev/b
lock/179:2: No such file or directory
[   12.770000] systemd[1]: /usr/lib/systemd/system-generators/systemd-gpt-auto-gener
ator exited with exit status 1.
[   13.270000] systemd[1]: Cannot add dependency job for unit display-manager.servic
e, ignoring: Unit display-manager.service failed to load: No such file or directory.
See system logs and 'systemctl status display-manager.service' for details.
[   13.300000] systemd[1]: Starting Forward Password Requests to Wall Directory Watc
h.
[   13.310000] systemd[1]: Started Forward Password Requests to Wall Directory Watch
.
[   13.320000] systemd[1]: Expecting device dev-ttyAMA0.device...
�         Expecting device dev-ttyAMA0.device...
[   13.350000] systemd[1]: Starting Remote File Systems.
�[  OK  ] Reached target Remote File Systems.
[   13.380000] systemd[1]: Reached target Remote File Systems.
[   13.380000] systemd[1]: Expecting device sys-subsystem-net-devices-eth0.device...
�         Expecting device sys-subsystem-net-devices-eth0.device...
[   13.420000] systemd[1]: Starting LVM2 metadata daemon socket.
�[  OK  ] Listening on LVM2 metadata daemon socket.
[   13.450000] systemd[1]: Listening on LVM2 metadata daemon socket.
[   13.450000] systemd[1]: Starting Delayed Shutdown Socket.
�[  OK  ] Listening on Delayed Shutdown Socket.
[   13.480000] systemd[1]: Listening on Delayed Shutdown Socket.
[   13.480000] systemd[1]: Starting Device-mapper event daemon FIFOs.
�[  OK  ] Listening on Device-mapper event daemon FIFOs.
[   13.520000] systemd[1]: Listening on Device-mapper event daemon FIFOs.
[   13.520000] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
�[  OK  ] Listening on /dev/initctl Compatibility Named Pipe.
[   13.560000] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[   13.560000] systemd[1]: Starting udev Kernel Socket.
�[  OK  ] Listening on udev Kernel Socket.
[   13.600000] systemd[1]: Listening on udev Kernel Socket.
[   13.600000] systemd[1]: Starting udev Control Socket.
�[  OK  ] Listening on udev Control Socket.
[   13.630000] systemd[1]: Listening on udev Control Socket.
[   13.630000] systemd[1]: Starting Dispatch Password Requests to Console Directory
Watch.
[   13.640000] systemd[1]: Started Dispatch Password Requests to Console Directory W
atch.
[   13.650000] systemd[1]: Starting Paths.
�[  OK  ] Reached target Paths.
[   13.680000] systemd[1]: Reached target Paths.
[   13.680000] systemd[1]: Starting Journal Socket.
�[  OK  ] Listening on Journal Socket.
[   13.710000] systemd[1]: Listening on Journal Socket.
[   13.710000] systemd[1]: Starting udev Coldplug all Devices...
�         Starting udev Coldplug all Devices...
[   13.890000] systemd[1]: Caught <SEGV>, dumped core as pid 45.
[   13.900000] systemd[1]: Freezing execution.



Any ideas please?

[TrevorPage]

Okay, actually I now just got it to boot successfully by checking over the config and enabling Control Group support.

I'm extremely grateful once again, because I now seem to have an audio driver that behaves far better than in the kernel I tried that's discussed here: https://www.olimex.com/forum/index.php?topic=704.0.