SETI@home 8 released for Raspberry Pi.

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Message 1794450 - Posted: 8 Jun 2016, 14:13:43 UTC - in response to Message 1777307.  

Works fine with the newest Raspbian Jessie version and the Raspberry Pi 3B/2B. Good job!
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Message 1796026 - Posted: 14 Jun 2016, 3:43:56 UTC
Last modified: 14 Jun 2016, 3:45:15 UTC

Sweet! Got it running on my RPi B at home, any way you gurus at seti@home can chop wu smaller for the ARM architecture 50-80 hour wu times are a bit lengthy, maybe cut em into 1/5 to 1/10 size chunks dedicated to arm crunchers..not a powerhouse processor, but you still have to eat an elephant one bite at a time

Coincidentally, got the command line how to here
https://pimylifeup.com/raspberry-pi-boinc/
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Message 1796033 - Posted: 14 Jun 2016, 4:28:45 UTC - in response to Message 1782242.  

Does this work with the Pi 1 Model B? Does it take advantage of the GPU? I know the CPU is pretty weak on this unit...

Yup, single core happily crunching at an estimated 80 hour wu time...yoikes!
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Message 1796085 - Posted: 14 Jun 2016, 12:03:13 UTC
Last modified: 14 Jun 2016, 12:31:15 UTC

I did have to update the /etc/boinc-client files [redirected from /var/lib/boinc-client/ directory] to match those of most of my windows machines

namely the cc_config.xml global_prefs_override.xml files

Just righ clicked and edit
C:\ProgramData\BOINC <the files above>

Copied the text over and in nano pasted it in, saved it

Then ran boinccmd --read_cc_config

The global_prefs_override.xml overrides the config files that all the clients download from the servers

mine looks like this there really isn't much to it

<global_preferences>
   <run_on_batteries>1</run_on_batteries>
   <run_if_user_active>1</run_if_user_active>
   <run_gpu_if_user_active>1</run_gpu_if_user_active>
   <suspend_cpu_usage>0.000000</suspend_cpu_usage>
   <start_hour>0.000000</start_hour>
   <end_hour>0.000000</end_hour>
   <net_start_hour>0.000000</net_start_hour>
   <net_end_hour>0.000000</net_end_hour>
   <leave_apps_in_memory>1</leave_apps_in_memory>
   <confirm_before_connecting>0</confirm_before_connecting>
   <hangup_if_dialed>0</hangup_if_dialed>
   <dont_verify_images>0</dont_verify_images>
   <work_buf_min_days>3.000000</work_buf_min_days>
   <work_buf_additional_days>3.000000</work_buf_additional_days>
   <max_ncpus_pct>100.000000</max_ncpus_pct>
   <cpu_scheduling_period_minutes>60.000000</cpu_scheduling_period_minutes>
   <disk_interval>300.000000</disk_interval>
   <disk_max_used_gb>0.000000</disk_max_used_gb>
   <disk_max_used_pct>50.000000</disk_max_used_pct>
   <disk_min_free_gb>0.100000</disk_min_free_gb>
   <vm_max_used_pct>75.000000</vm_max_used_pct>
   <ram_max_used_busy_pct>25.000000</ram_max_used_busy_pct>
   <ram_max_used_idle_pct>100.000000</ram_max_used_idle_pct>
   <max_bytes_sec_up>0.000000</max_bytes_sec_up>
   <max_bytes_sec_down>0.000000</max_bytes_sec_down>
   <cpu_usage_limit>100.000000</cpu_usage_limit>
   <daily_xfer_limit_mb>0.000000</daily_xfer_limit_mb>
   <daily_xfer_period_days>0</daily_xfer_period_days>
</global_preferences>


Here is the url for all the client config options in case you were wondering
http://boinc.berkeley.edu/wiki/Client_configuration

Command to restart boinc is: service boinc-client [stop|start|restart]

I do have a question though...is boinc supposed to run under user boinc or root, and if so, what are the /var/lib/boinc-client ownership of the files supposed to be...I might have borked it when I did a -R chown root:root on that above directory...
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Message 1796327 - Posted: 15 Jun 2016, 11:59:00 UTC

upon reboot, boinc --daemon and now the setiathome_8.02 is running under user boinc so all is well.

Very cool!
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Message 1796978 - Posted: 18 Jun 2016, 1:19:17 UTC
Last modified: 18 Jun 2016, 1:30:42 UTC

My seti@home seems to keep conking out, get a kernel error then when I view the task in top I se 0 0 0 on the seti@home program

I created config files global_prefs.xml and global_prefs_override.xml and copied the information from there from my windows config files

I get the below

Initialization completed
17-Jun-2016 20:11:13 [SETI@home] Restarting task 01ap10hu.28719.23012.15.42.100_1 using setiathome_v8 version 802 in slot 0
17-Jun-2016 20:12:11 [---] Received signal 15
17-Jun-2016 20:12:12 [---] Exit requested by user
17-Jun-2016 20:12:15 [---] Starting BOINC client version 7.0.27 for arm-unknown-linux-gnueabihf
17-Jun-2016 20:12:15 [---] log flags: file_xfer, sched_ops, task
17-Jun-2016 20:12:15 [---] Libraries: libcurl/7.26.0 OpenSSL/1.0.1e zlib/1.2.7 libidn/1.25 libssh2/1.4.2 librtmp/2.3
17-Jun-2016 20:12:15 [---] Data directory: /var/lib/boinc-client
17-Jun-2016 20:12:15 [---] Processor: 1 ARMv6-compatible processor rev 7 (v6l)
17-Jun-2016 20:12:15 [---] Processor features:
17-Jun-2016 20:12:15 [---] OS: Linux: 4.1.19+
17-Jun-2016 20:12:15 [---] Memory: 482.52 MB physical, 341.25 MB virtual
17-Jun-2016 20:12:15 [---] Disk: 7.32 GB total, 3.76 GB free
17-Jun-2016 20:12:15 [---] Local time is UTC -5 hours
17-Jun-2016 20:12:15 [---] No usable GPUs found
17-Jun-2016 20:12:15 [---] Config: GUI RPC allowed from:
17-Jun-2016 20:12:15 [SETI@home] URL http://setiathome.berkeley.edu/; Computer ID 8023327; resource share 100
17-Jun-2016 20:12:15 [SETI@home] General prefs: from SETI@home (last modified 15-Dec-2014 08:52:39)
17-Jun-2016 20:12:15 [SETI@home] Computer location: home
17-Jun-2016 20:12:15 [SETI@home] General prefs: no separate prefs for home; using your defaults
17-Jun-2016 20:12:15 [---] Reading preferences override file
17-Jun-2016 20:12:15 [---] Preferences:
17-Jun-2016 20:12:15 [---] max memory usage when active: 482.52MB
17-Jun-2016 20:12:15 [---] max memory usage when idle: 482.52MB
17-Jun-2016 20:12:15 [---] max disk usage: 0.00GB
17-Jun-2016 20:12:15 [---] don't use GPU while active
17-Jun-2016 20:12:15 [---] (to change preferences, visit the web site of an attached project, or select Preferences in the Manager)
17-Jun-2016 20:12:15 [---] Not using a proxy


I keep getting this error
Jun 17 18:11:02 raspberrypi kernel: [221780.132410] BUG: unsupported FP instruction in kernel mode
Jun 17 18:11:02 raspberrypi kernel: [221780.141533] Internal error: Oops - undefined instruction: 0 [#6] ARM
Jun 17 18:11:02 raspberrypi kernel: [221780.151504] Modules linked in: zram lz4_compress zsmalloc tun cpufreq_stats mkiss ax25 arc4 ecb md4 md5 hmac nls_utf8 cifs xt_nat iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables snd_bcm2835 snd_usb_audio snd_usbmidi_lib snd_hwdep snd_seq_midi snd_seq_midi_event snd_rawmidi snd_pcm snd_seq snd_seq_device snd_timer snd evdev bcm2835_gpiomem bcm2835_rng uio_pdrv_genirq uio
Jun 17 18:11:02 raspberrypi kernel: [221780.209429] CPU: 0 PID: 14186 Comm: setiathome_8.02 Tainted: G      D         4.1.19+ #858
Jun 17 18:11:02 raspberrypi kernel: [221780.224269] Hardware name: BCM2708
Jun 17 18:11:02 raspberrypi kernel: [221780.230931] task: d4668da0 ti: dd19e000 task.ti: dd19e000
Jun 17 18:11:02 raspberrypi kernel: [221780.239566] PC is at vfp_save_state+0x0/0x28
Jun 17 18:11:02 raspberrypi kernel: [221780.246985] LR is at vfp_sync_hwstate+0x3c/0x48
Jun 17 18:11:02 raspberrypi kernel: [221780.254583] pc : [<c000a948>]    lr : [<c000a58c>]    psr: 60000113
Jun 17 18:11:02 raspberrypi kernel: [221780.254583] sp : dd19fe78  ip : dd19fe90  fp : dd19fe8c
Jun 17 18:11:02 raspberrypi kernel: [221780.272037] r10: 002efe08  r9 : dd19e000  r8 : bebfd3d8
Jun 17 18:11:02 raspberrypi kernel: [221780.280205] r7 : bebfd4c8  r6 : dd19e0f8  r5 : bebfd5d0  r4 : c0000788
Jun 17 18:11:02 raspberrypi kernel: [221780.289637] r3 : dd19e0f8  r2 : c0842364  r1 : c0000788  r0 : dd19e0f8
Jun 17 18:11:02 raspberrypi kernel: [221780.299008] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Jun 17 18:11:02 raspberrypi kernel: [221780.309012] Control: 00c5387d  Table: 1d1b0008  DAC: 00000015
Jun 17 18:11:02 raspberrypi kernel: [221780.317604] Process setiathome_8.02 (pid: 14186, stack limit = 0xdd19e188)
Jun 17 18:11:02 raspberrypi kernel: [221780.327281] Stack: (0xdd19fe78 to 0xdd1a0000)
Jun 17 18:11:02 raspberrypi kernel: [221780.334368] fe60:                                                       dd19fe90 dd19e000
Jun 17 18:11:02 raspberrypi kernel: [221780.347754] fe80: dd19feac dd19fe90 c000a6f0 c000a55c 00000000 bebfd3d8 00000000 d4669208
Jun 17 18:11:02 raspberrypi kernel: [221780.361234] fea0: dd19fec4 dd19feb0 c0012d20 c000a6c8 dd19ffb0 dd19fec8 dd19ff8c dd19fec8
Jun 17 18:11:02 raspberrypi kernel: [221780.374871] fec0: c0013150 c0012bac 000d5378 14000000 0021b940 00000000 00000000 0000000e
Jun 17 18:11:02 raspberrypi kernel: [221780.388693] fee0: 00000000 00000080 00000000 00000000 00000000 00000001 00000000 dd19ff08
Jun 17 18:11:02 raspberrypi kernel: [221780.402610] ff00: c005b474 c005d5e0 c0044b1c 0000000e 00000011 c07d6e1c 00000001 c07d6e1c
Jun 17 18:11:02 raspberrypi kernel: [221780.416644] ff20: c081b9b8 00000000 00000000 c005dc4c dd19ff4c dd19ff40 c005dc4c c005a9b8
Jun 17 18:11:02 raspberrypi kernel: [221780.430914] ff40: dd19ff5c dd19ff50 c001ff64 c002741c dd19ff74 dd19ff60 c002741c 0000000e
Jun 17 18:11:02 raspberrypi kernel: [221780.445471] ff60: c005df80 00000001 dd19e000 00000000 dd19ffb0 00000000 dd19e000 002efe08
Jun 17 18:11:02 raspberrypi kernel: [221780.460324] ff80: dd19ffac dd19ff90 c0013458 c0012e8c 0002b410 80000010 f200b200 00c5387d
Jun 17 18:11:02 raspberrypi kernel: [221780.475479] ffa0: 00000000 dd19ffb0 c000f7e4 c001339c 007cfd5c bebfd73c 00000026 007cfd80
Jun 17 18:11:02 raspberrypi kernel: [221780.490845] ffc0: 007cfc80 00000011 007cfa98 00000040 002f1f60 002eff31 002efe08 002e8958
Jun 17 18:11:02 raspberrypi kernel: [221780.506321] ffe0: 007cfb2c bebfd6c8 0002b3b8 0002b410 80000010 ffffffff 00000000 00000000
Jun 17 18:11:02 raspberrypi kernel: [221780.522041] [<c000a948>] (vfp_save_state) from [<c000a6f0>] (vfp_preserve_user_clear_hwstate+0x34/0xc0)
Jun 17 18:11:02 raspberrypi kernel: [221780.539196] [<c000a6f0>] (vfp_preserve_user_clear_hwstate) from [<c0012d20>] (setup_sigframe+0x180/0x190)
Jun 17 18:11:02 raspberrypi kernel: [221780.556397] [<c0012d20>] (setup_sigframe) from [<c0013150>] (do_signal+0x2d0/0x3e0)
Jun 17 18:11:02 raspberrypi kernel: [221780.571559] [<c0013150>] (do_signal) from [<c0013458>] (do_work_pending+0xc8/0xd8)
Jun 17 18:11:02 raspberrypi kernel: [221780.586592] [<c0013458>] (do_work_pending) from [<c000f7e4>] (work_pending+0xc/0x20)
Jun 17 18:11:02 raspberrypi kernel: [221780.601767] Code: e12fff1e e1a0200d e1a0e009 eafffebe (eca00b20)
Jun 17 18:11:02 raspberrypi kernel: [221780.651861] ---[ end trace 1c84d8a60ef928d4 ]---


Found this


Please advise over
root@raspberrypi /var/log #  ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 3793
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 95
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 3793
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited


I did this...let's see if it helps
ulimit -s 65536


root@raspberrypi /var/log # ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 3793
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 95
stack size              (kbytes, -s) 65536
cpu time               (seconds, -t) unlimited
max user processes              (-u) 3793
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

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Tom Rinehart
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Message 1797566 - Posted: 20 Jun 2016, 14:10:07 UTC - in response to Message 1796978.  

I did this...let's see if it helps
ulimit -s 65536


root@raspberrypi /var/log # ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 3793
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 95
stack size              (kbytes, -s) 65536
cpu time               (seconds, -t) unlimited
max user processes              (-u) 3793
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited


This is a known issue that no one has been able to resolve so far. Please let us all know if this works.
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Claggy
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Message 1797598 - Posted: 20 Jun 2016, 18:12:13 UTC - in response to Message 1797566.  

I did this...let's see if it helps
ulimit -s 65536


root@raspberrypi /var/log # ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 3793
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 95
stack size              (kbytes, -s) 65536
cpu time               (seconds, -t) unlimited
max user processes              (-u) 3793
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited


This is a known issue that no one has been able to resolve so far. Please let us all know if this works.

I checked this out on my SDCard image with kernel 3.10.25+ where this problem doesn't exist and i get:

pi@raspberrypi /var/log $ ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 3372
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 95
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 3372
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited


Stack size wasn't any bigger then, but maybe later kernels need bigger stack sizes

Claggy
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Message 1798595 - Posted: 25 Jun 2016, 5:19:12 UTC
Last modified: 25 Jun 2016, 5:49:27 UTC

Still locking up...

I'm at a loss
Jun 21 13:29:20 raspberrypi kernel: [62653.599313] BUG: unsupported FP instruction in kernel mode
Jun 21 13:29:20 raspberrypi kernel: [62653.607755] Internal error: Oops - undefined instruction: 0 [#2] ARM
Jun 21 13:29:20 raspberrypi kernel: [62653.617196] Modules linked in: zram lz4_compress zsmalloc tun cpufreq_stats mkiss ax25 arc4 ecb md4 md5 hmac nls_utf8 cifs xt_nat iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables snd_bcm2835 snd_usb_audio snd_usbmidi_lib snd_hwdep snd_seq_midi snd_seq_midi_event snd_rawmidi snd_pcm snd_seq snd_seq_device snd_timer snd evdev bcm2835_gpiomem bcm2835_rng uio_pdrv_genirq uio
Jun 21 13:29:20 raspberrypi kernel: [62653.674432] CPU: 0 PID: 6045 Comm: setiathome_8.02 Tainted: G D 4.1.19+ #858
Jun 21 13:29:20 raspberrypi kernel: [62653.689029] Hardware name: BCM2708
Jun 21 13:29:20 raspberrypi kernel: [62653.695575] task: dcf06d00 ti: cf54e000 task.ti: cf54e000
Jun 21 13:29:20 raspberrypi kernel: [62653.704090] PC is at vfp_save_state+0x0/0x28
Jun 21 13:29:20 raspberrypi kernel: [62653.711404] LR is at vfp_sync_hwstate+0x3c/0x48
Jun 21 13:29:20 raspberrypi kernel: [62653.718889] pc : [<c000a948>] lr : [<c000a58c>] psr: 60000113
Jun 21 13:29:20 raspberrypi kernel: [62653.718889] sp : cf54fe78 ip : cf54fe90 fp : cf54fe8c
Jun 21 13:29:20 raspberrypi kernel: [62653.736132] r10: 002efe08 r9 : cf54e000 r8 : be8f23d8
Jun 21 13:29:20 raspberrypi kernel: [62653.744199] r7 : be8f24c8 r6 : cf54e0f8 r5 : be8f25d0 r4 : c0000788
Jun 21 13:29:20 raspberrypi kernel: [62653.753524] r3 : cf54e0f8 r2 : c0842364 r1 : c0000788 r0 : cf54e0f8
Jun 21 13:29:20 raspberrypi kernel: [62653.762794] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Jun 21 13:29:20 raspberrypi kernel: [62653.772687] Control: 00c5387d Table: 12814008 DAC: 00000015
Jun 21 13:29:20 raspberrypi kernel: [62653.781159] Process setiathome_8.02 (pid: 6045, stack limit = 0xcf54e188)
Jun 21 13:29:20 raspberrypi kernel: [62653.790652] Stack: (0xcf54fe78 to 0xcf550000)
Jun 21 13:29:20 raspberrypi kernel: [62653.797658] fe60: cf54fe90 cf54e000
Jun 21 13:29:20 raspberrypi kernel: [62653.810964] fe80: cf54feac cf54fe90 c000a6f0 c000a55c 00000000 be8f23d8 00000000 dcf07168
Jun 21 13:29:20 raspberrypi kernel: [62653.824357] fea0: cf54fec4 cf54feb0 c0012d20 c000a6c8 cf54ffb0 cf54fec8 cf54ff8c cf54fec8
Jun 21 13:29:20 raspberrypi kernel: [62653.837913] fec0: c0013150 c0012bac 000d5378 14000000 0021b940 00000000 00000000 0000000e
Jun 21 13:29:20 raspberrypi kernel: [62653.851664] fee0: 00000000 00000080 00000000 00000000 000000ff 00000006 00000005 cf54ff08
Jun 21 13:29:20 raspberrypi kernel: [62653.865505] ff00: c005b474 c005d5e0 cf54ff5c 0000000e 00000011 c07d6e1c 00000001 c07d6e1c
Jun 21 13:29:20 raspberrypi kernel: [62653.879461] ff20: c081b9b8 00000000 00000000 c005dc4c cf54ff4c cf54ff40 c005dc4c c005a9b8
Jun 21 13:29:20 raspberrypi kernel: [62653.893653] ff40: cf54ff5c cf54ff50 c001ff64 c002741c cf54ff74 cf54ff60 c002741c 0000000e
Jun 21 13:29:20 raspberrypi kernel: [62653.908115] ff60: c005df80 00000001 cf54e000 00000000 cf54ffb0 00000000 cf54e000 002efe08
Jun 21 13:29:20 raspberrypi kernel: [62653.922859] ff80: cf54ffac cf54ff90 c0013458 c0012e8c 0002b410 80000010 f200b200 00c5387d
Jun 21 13:29:20 raspberrypi kernel: [62653.937894] ffa0: 00000000 cf54ffb0 c000f7e4 c001339c 0105c2ac be8f273c 00000027 0105c300
Jun 21 13:29:20 raspberrypi kernel: [62653.953156] ffc0: 0105c200 00000004 0105efd8 00000040 002f1f60 002eff31 002efe08 002e8958
Jun 21 13:29:20 raspberrypi kernel: [62653.968524] ffe0: 0105f070 be8f26c8 0002b3b8 0002b410 80000010 ffffffff 00000000 00000000
Jun 21 13:29:20 raspberrypi kernel: [62653.984138] [<c000a948>] (vfp_save_state) from [<c000a6f0>] (vfp_preserve_user_clear_hwstate+0x34/0xc0)
Jun 21 13:29:20 raspberrypi kernel: [62654.001217] [<c000a6f0>] (vfp_preserve_user_clear_hwstate) from [<c0012d20>] (setup_sigframe+0x180/0x190)
Jun 21 13:29:20 raspberrypi kernel: [62654.018325] [<c0012d20>] (setup_sigframe) from [<c0013150>] (do_signal+0x2d0/0x3e0)
Jun 21 13:29:20 raspberrypi kernel: [62654.033414] [<c0013150>] (do_signal) from [<c0013458>] (do_work_pending+0xc8/0xd8)
Jun 21 13:29:20 raspberrypi kernel: [62654.048358] [<c0013458>] (do_work_pending) from [<c000f7e4>] (work_pending+0xc/0x20)
Jun 21 13:29:20 raspberrypi kernel: [62654.063400] Code: e12fff1e e1a0200d e1a0e009 eafffebe (eca00b20)
Jun 21 13:29:20 raspberrypi kernel: [62654.096841] ---[ end trace e43fbba09599c2ad ]---

root@raspberrypi /var/log # uname -mrs
Linux 4.1.19+ armv6l


I just did a sudo rpi-update
root@raspberrypi /home/pi # uname -mrs
Linux 4.4.13+ armv6l


I wonder if the person that compiled 8.02 set a stack limit or it was set default...perhaps an upgraded compile for arm with unlimited or larger stack size...heck I don't even know if I am even looking in the right spot for the lockup of the program so I'm just spitballing here

I found a few other discussions about this...it seems like it's a kernel issue, not a program issue
https://github.com/raspberrypi/linux/issues/859
https://github.com/raspberrypi/linux/issues/600
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Tom Rinehart
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Message 1799690 - Posted: 30 Jun 2016, 16:44:30 UTC - in response to Message 1798595.  


I wonder if the person that compiled 8.02 set a stack limit or it was set default...perhaps an upgraded compile for arm with unlimited or larger stack size...heck I don't even know if I am even looking in the right spot for the lockup of the program so I'm just spitballing here

I found a few other discussions about this...it seems like it's a kernel issue, not a program issue
https://github.com/raspberrypi/linux/issues/859
https://github.com/raspberrypi/linux/issues/600


I compiled the 8.02 version and didn't change the stack limit. I'm not sure where that would be even. The issue seems like a memory problem to me, but everything I've read looks like it is related to the kernel. It doesn't happen to my Pi 1 B with Einstein@home or when I was running beta S@H and it was serving small WUs. It doesn't work well with big WUs for some reason and has this crash.
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Message 1799693 - Posted: 30 Jun 2016, 16:52:31 UTC
Last modified: 30 Jun 2016, 16:57:11 UTC

According to the Applications page (http://setiathome.berkeley.edu/apps.php) the Linux ARM application is now producing greater than 500 GigaFLOPS from all the various Linux ARM devices out there!

Now we just need someone that understands ARM assembly language or how to inline assembly language into C properly to help get the chirp data routines working on VFP and NEON for an even faster app.
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Message 1805888 - Posted: 30 Jul 2016, 16:43:27 UTC - in response to Message 1799690.  


I wonder if the person that compiled 8.02 set a stack limit or it was set default...perhaps an upgraded compile for arm with unlimited or larger stack size...heck I don't even know if I am even looking in the right spot for the lockup of the program so I'm just spitballing here

I found a few other discussions about this...it seems like it's a kernel issue, not a program issue
https://github.com/raspberrypi/linux/issues/859
https://github.com/raspberrypi/linux/issues/600


I compiled the 8.02 version and didn't change the stack limit. I'm not sure where that would be even. The issue seems like a memory problem to me, but everything I've read looks like it is related to the kernel. It doesn't happen to my Pi 1 B with Einstein@home or when I was running beta S@H and it was serving small WUs. It doesn't work well with big WUs for some reason and has this crash.


I saw where someone changed their global preferences to like below
I've been successful at getting my Orange Pi One (https://setiathome.berkeley.edu/results.php?hostid=8027213) to run the SETI app with all four cores. I had to adjust how Boinc uses memory for it to be stable by editing:

sudo nano /var/lib/boinc-client/global_prefs_override.xml


So it contains:

<global_preferences>
  <ram_max_used_busy_pct>80.000000</ram_max_used_busy_pct>
  <ram_max_used_idle_pct>90.000000</ram_max_used_idle_pct>
</global_preferences>


This works well with the SETI app that uses about 70 MB per WU. If you are running apps that use more memory like Einstein@Home (135 MB per WU), I suspect you would need to adjust the memory and limit the number of CPUs as I noted above since the Orange Pi One only has 512MB of RAM.

So far, this board seems to run about 20% faster than my Raspberry Pi 2's.


still checking if stable...just restarted my crashed BOINC...lets see if it remains stable
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Message 1852378 - Posted: 2 Mar 2017, 21:12:18 UTC - in response to Message 1798595.  

Still locking up...

I'm at a loss
[quote]Jun 21 13:29:20 raspberrypi kernel: [62653.599313] BUG: unsupported FP instruction in kernel mode
Jun 21 13:29:20 raspberrypi kernel: [62653.607755] Internal error: Oops - undefined instruction: 0 [#2] ARM

The kernel issue has now been fixed, anyone running kernels 4.4.48+ #964 or 4.9.9+ #965 or later won't see this issue again,

Do the following to show what kernel version you run:

uname -a

Do the following in a cmd window to update, then reboot:

sudo apt-get update && sudo apt-get upgrade

I posted about the issue on GitHub, I get a response that a patch might fix it, Forked the RaspberryPi Kernel source tree on GitHub, carefully applied the patch to the later kernel, did a push request,
got it applied, tested it via the rpi-update app, proved that it fixed it, then waited for it to be applied to the production kernel, then made sure that the 4.4.48+ kernel worked too.

Faster Arm apps are in testing at Seti Beta too :-)

Claggy
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Message 1852451 - Posted: 3 Mar 2017, 2:23:35 UTC

I have been running Seti on my Raspberry Pi 2 model b and the average work unit is around 50 hours. I understand that is average and I am not trying to overclock the Pi's. What I am wondering is if the Raspberry Pi 3 complete's the work units any faster?
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Profile Gary Charpentier Crowdfunding Project Donor*Special Project $250 donor
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Message 1852465 - Posted: 3 Mar 2017, 5:33:15 UTC - in response to Message 1852451.  

I have been running Seti on my Raspberry Pi 2 model b and the average work unit is around 50 hours. I understand that is average and I am not trying to overclock the Pi's. What I am wondering is if the Raspberry Pi 3 complete's the work units any faster?

A Pi 3 https://setiathome.berkeley.edu/results.php?hostid=8173315 calculate to your hearts content.
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Message 1852469 - Posted: 3 Mar 2017, 5:59:38 UTC - in response to Message 1852465.  

I have been running Seti on my Raspberry Pi 2 model b and the average work unit is around 50 hours. I understand that is average and I am not trying to overclock the Pi's. What I am wondering is if the Raspberry Pi 3 complete's the work units any faster?

A Pi 3 https://setiathome.berkeley.edu/results.php?hostid=8173315 calculate to your hearts content.

About 20hrs faster by the looks of similar AR tasks in the 0.4-0.44 range by a quick look.

Cheers.
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Message 1852504 - Posted: 3 Mar 2017, 8:37:14 UTC

Work on a better application for Raspberry Pi is in progress over on Beta.
Check this thread: https://setiweb.ssl.berkeley.edu/beta/forum_thread.php?id=2275

Tom
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