Dear Weewx users,

 

System: Debian, raspbian os.
Station: WMR300.
Version: 3.7.1

Since i have been updated weewx to version 3.7.1, i have some problems.
After the servers(and weewx) has been up for a few days, the problems 
arise. 

Sometimes the server and weewx runs a few days and then go down together. 
Sometimes the system runs for a few days and then weewx stops and a few 
hours later the server goes also down.
When I restart the system, everything works fine for another 2 or 3 days, 
and then the problem starts again. 

The biggest problem is that i can't find anything in the server syslog. 

In an attempt to eliminate all the problems, I have completely reinstalled 
the server. However, this did not solve the problems.

Some time ago, the problem resembles, and as always I looked in the log. To 
my great surprise, I found the following in the syslog:

Jul 24 17:30:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:30:00 CEST (1500910200) to daily summary in 'weewx.sdb'
Jul 24 17:30:17 raspberrypi weewx[747]: cheetahgenerator: Generated 7 files 
for report StandardReport in 1.72 seconds
Jul 24 17:30:18 raspberrypi weewx[747]: imagegenerator: Generated 12 images 
for StandardReport in 1.15 seconds
Jul 24 17:30:18 raspberrypi weewx[747]: copygenerator: copied 0 files to 
/var/www/weewx
Jul 24 17:35:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:35:00 CEST (1500910500) to database 'weewx.sdb'
Jul 24 17:35:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:35:00 CEST (1500910500) to daily summary in 'weewx.sdb'
Jul 24 17:35:17 raspberrypi weewx[747]: cheetahgenerator: Generated 7 files 
for report StandardReport in 1.71 seconds
Jul 24 17:35:18 raspberrypi weewx[747]: imagegenerator: Generated 12 images 
for StandardReport in 1.14 seconds
Jul 24 17:35:18 raspberrypi weewx[747]: copygenerator: copied 0 files to 
/var/www/weewx
Jul 24 17:40:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:40:00 CEST (1500910800) to database 'weewx.sdb'
Jul 24 17:40:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:40:00 CEST (1500910800) to daily summary in 'weewx.sdb'
Jul 24 17:40:17 raspberrypi weewx[747]: cheetahgenerator: Generated 7 files 
for report StandardReport in 1.70 seconds
Jul 24 17:40:18 raspberrypi weewx[747]: imagegenerator: Generated 12 images 
for StandardReport in 1.15 seconds
Jul 24 17:40:18 raspberrypi weewx[747]: copygenerator: copied 0 files to 
/var/www/weewx
Jul 24 17:45:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:45:00 CEST (1500911100) to database 'weewx.sdb'
Jul 24 17:45:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:45:00 CEST (1500911100) to daily summary in 'weewx.sdb'
Jul 24 17:45:17 raspberrypi weewx[747]: cheetahgenerator: Generated 7 files 
for report StandardReport in 1.70 seconds
Jul 24 17:45:18 raspberrypi weewx[747]: imagegenerator: Generated 12 images 
for StandardReport in 1.14 seconds
Jul 24 17:45:18 raspberrypi weewx[747]: copygenerator: copied 0 files to 
/var/www/weewx
Jul 24 17:47:03 raspberrypi kernel: [151341.782182] Unable to handle kernel 
paging request at virtual address 071128d5
Jul 24 17:47:03 raspberrypi kernel: [151341.786067] pgd = b7180000
Jul 24 17:47:03 raspberrypi kernel: [151341.787996] [071128d5] *pgd=00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.789962] Internal error: Oops: 5 
[#1] SMP ARM
Jul 24 17:47:03 raspberrypi kernel: [151341.791958] Modules linked in: bnep 
hci_uart btbcm bluetooth ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl 
ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 
nf_log_ipv4 nf_log_comm$
Jul 24 17:47:03 raspberrypi kernel: [151341.808720] CPU: 2 PID: 747 Comm: 
python Not tainted 4.9.28-v7+ #998
Jul 24 17:47:03 raspberrypi kernel: [151341.811366] Hardware name: BCM2835
Jul 24 17:47:03 raspberrypi kernel: [151341.813968] task: b72aac40 
task.stack: b8d64000
Jul 24 17:47:03 raspberrypi kernel: [151341.816628] PC is at 
__kmalloc+0x9c/0x274
Jul 24 17:47:03 raspberrypi kernel: [151341.819246] LR is at 
__kmalloc+0x1d8/0x274
Jul 24 17:47:03 raspberrypi kernel: [151341.821823] pc : [<8025dcb4>]    lr 
: [<8025ddf0>]    psr: 20000013
Jul 24 17:47:03 raspberrypi kernel: [151341.821823] sp : b8d65c20  ip : 
b8d65c20  fp : b8d65c64
Jul 24 17:47:03 raspberrypi kernel: [151341.827138] r10: b9801e40  r9 : 
805904f0  r8 : 024080c0
Jul 24 17:47:03 raspberrypi kernel: [151341.829808] r7 : 00000038  r6 : 
00000000  r5 : b9801e40  r4 : 071128d5
Jul 24 17:47:03 raspberrypi kernel: [151341.832439] r3 : 00000000  r2 : 
80b81420  r1 : 39407000  r0 : b8d65c20
Jul 24 17:47:03 raspberrypi kernel: [151341.834988] Flags: nzCv  IRQs on  
FIQs on  Mode SVC_32  ISA ARM  Segment user
Jul 24 17:47:03 raspberrypi kernel: [151341.837631] Control: 10c5383d  
Table: 3718006a  DAC: 00000055
Jul 24 17:47:03 raspberrypi kernel: [151341.840317] Process python (pid: 
747, stack limit = 0xb8d64210)
Jul 24 17:47:03 raspberrypi kernel: [151341.843041] Stack: (0xb8d65c20 to 
0xb8d66000)
Jul 24 17:47:03 raspberrypi kernel: [151341.845703] 5c20: b8d65c6c b8d65c30 
80583c9c 0026f189 b9138038 bb9c0000 00000000 00000038
Jul 24 17:47:03 raspberrypi kernel: [151341.850941] 5c40: 024000c0 00000000 
00000000 b913e400 b9173f00 b71f8f00 b8d65c74 b8d65c68
Jul 24 17:47:03 raspberrypi kernel: [151341.856223] 5c60: 805904f0 8025dc24 
b8d65c9c b8d65c78 80585320 805904d8 000002c0 80c092f4
Jul 24 17:47:03 raspberrypi kernel: [151341.861519] 5c80: 00000003 024000c0 
00000000 b9138000 b8d65cf4 b8d65ca0 80585a64 805852cc
Jul 24 17:47:03 raspberrypi kernel: [151341.866886] 5ca0: b913e400 00000002 
b8d65cf4 b8d65cb8 80558254 80114234 00000000 b9173f20
Jul 24 17:47:03 raspberrypi kernel: [151341.872542] 5cc0: 80c7c480 60000013 
80b79428 b71f8f00 b913e400 00000000 024000c0 b71f8f08
Jul 24 17:47:03 raspberrypi kernel: [151341.878581] 5ce0: 00000001 b9173f00 
b8d65da4 b8d65cf8 80558570 805859d8 80114308 80114134
Jul 24 17:47:03 raspberrypi kernel: [151341.882523] 5d00: 80118414 00000001 
00000000 80c5be40 20000013 20000013 20000013 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.885828] 5d20: 00000001 00000003 
b8d65d4c b8d65d38 80718834 801e3124 00000000 80c5be40
Jul 24 17:47:03 raspberrypi kernel: [151341.889210] 5d40: b8d65d7c b8d65d50 
80160f10 80718804 00000000 b71f8f00 60000013 b71f8f00
Jul 24 17:47:03 raspberrypi kernel: [151341.892675] 5d60: 60000013 00000000 
fffffffe 80557148 b8d65d9c 8025dc48 b8ca0440 b71f8f00
Jul 24 17:47:03 raspberrypi kernel: [151341.896184] 5d80: 024000c0 00000003 
00000200 b9178000 00000001 b9173f00 b8d65dec b8d65da8
Jul 24 17:47:03 raspberrypi kernel: [151341.899693] 5da0: 8055a0d0 805584b4 
b913e400 b66e4910 20000013 20000013 b66e4914 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.903203] 5dc0: 80d0fe3c b8d65ea4 
b66e4914 b66e4900 80d0fe3c b66e4910 b8ca0440 b9173f00
Jul 24 17:47:03 raspberrypi kernel: [151341.906710] 5de0: b8d65e64 b8d65df0 
80565d60 80559ddc b8d65e28 b8d65e28 b8d65f54 b8d65e08
Jul 24 17:47:03 raspberrypi kernel: [151341.910217] 5e00: 80284f68 80284784 
00000004 8028c404 b8d65e28 b66e4910 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.913722] 5e20: 00000000 00000000 
b8ca0440 00000001 00000000 7ed03558 b91780a4 b9178070
Jul 24 17:47:03 raspberrypi kernel: [151341.917228] 5e40: 802c550a b91780a4 
b9178000 00000004 b66e4900 b915bb48 b8d65efc b8d65e68
Jul 24 17:47:03 raspberrypi kernel: [151341.920736] 5e60: 80566a80 80565378 
80122bc4 80180110 b8d65ea4 b8d65e80 b8d65e94 b8d65e88
Jul 24 17:47:03 raspberrypi kernel: [151341.924244] 5e80: 805d9bf8 805d98b4 
7ed03558 b8d65e98 8018ce38 805d9be0 0003f553 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.927752] 5ea0: c6389587 7ed08101 
766a9814 00000000 0163cde8 00000040 00000000 7ed03730
Jul 24 17:47:03 raspberrypi kernel: [151341.931260] 5ec0: 00000000 002e0620 
00000000 00000000 b8d65f54 7ed03558 b915bb48 b8d74240
Jul 24 17:47:03 raspberrypi kernel: [151341.934767] 5ee0: 802c550a 00000004 
b8d64000 00000000 b8d65f7c b8d65f00 80283214 80566224
Jul 24 17:47:03 raspberrypi kernel: [151341.938275] 5f00: b8d65f44 b8d65f10 
8018c948 805d9be0 ffffffff 00ffffff c6389587 0029ea73
Jul 24 17:47:03 raspberrypi kernel: [151341.941784] 5f20: 3b99b484 00000000 
7ed03548 b8d65f88 0000004e 80108244 b8d65f54 b8d65f48
Jul 24 17:47:03 raspberrypi kernel: [151341.945293] 5f40: 8018dd94 8018c90c 
b8d65f84 b8d65f58 8018ddd4 b8d74240 7ed03558 b8d74240
Jul 24 17:47:03 raspberrypi kernel: [151341.948802] 5f60: 802c550a 00000004 
b8d64000 00000000 b8d65fa4 b8d65f80 802839cc 80283174
Jul 24 17:47:03 raspberrypi kernel: [151341.952309] 5f80: 0163cde8 00000000 
7ed03600 0151ba98 00000036 80108244 00000000 b8d65fa8
Jul 24 17:45:15 raspberrypi weewx[747]: manager: Added record 2017-07-24 
17:45:00 CEST (1500911100) to daily summary in 'weewx.sdb'
Jul 24 17:45:17 raspberrypi weewx[747]: cheetahgenerator: Generated 7 files 
for report StandardReport in 1.70 seconds
Jul 24 17:45:18 raspberrypi weewx[747]: imagegenerator: Generated 12 images 
for StandardReport in 1.14 seconds
Jul 24 17:45:18 raspberrypi weewx[747]: copygenerator: copied 0 files to 
/var/www/weewx
Jul 24 17:47:03 raspberrypi kernel: [151341.782182] Unable to handle kernel 
paging request at virtual address 071128d5
Jul 24 17:47:03 raspberrypi kernel: [151341.786067] pgd = b7180000
Jul 24 17:47:03 raspberrypi kernel: [151341.787996] [071128d5] *pgd=00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.789962] Internal error: Oops: 5 
[#1] SMP ARM
Jul 24 17:47:03 raspberrypi kernel: [151341.791958] Modules linked in: bnep 
hci_uart btbcm bluetooth ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl 
ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 
nf_log_ipv4 nf_log_comm$
Jul 24 17:47:03 raspberrypi kernel: [151341.808720] CPU: 2 PID: 747 Comm: 
python Not tainted 4.9.28-v7+ #998
Jul 24 17:47:03 raspberrypi kernel: [151341.811366] Hardware name: BCM2835
Jul 24 17:47:03 raspberrypi kernel: [151341.813968] task: b72aac40 
task.stack: b8d64000
Jul 24 17:47:03 raspberrypi kernel: [151341.816628] PC is at 
__kmalloc+0x9c/0x274
Jul 24 17:47:03 raspberrypi kernel: [151341.819246] LR is at 
__kmalloc+0x1d8/0x274
Jul 24 17:47:03 raspberrypi kernel: [151341.821823] pc : [<8025dcb4>]    lr 
: [<8025ddf0>]    psr: 20000013
Jul 24 17:47:03 raspberrypi kernel: [151341.821823] sp : b8d65c20  ip : 
b8d65c20  fp : b8d65c64
Jul 24 17:47:03 raspberrypi kernel: [151341.827138] r10: b9801e40  r9 : 
805904f0  r8 : 024080c0
Jul 24 17:47:03 raspberrypi kernel: [151341.829808] r7 : 00000038  r6 : 
00000000  r5 : b9801e40  r4 : 071128d5
Jul 24 17:47:03 raspberrypi kernel: [151341.832439] r3 : 00000000  r2 : 
80b81420  r1 : 39407000  r0 : b8d65c20
Jul 24 17:47:03 raspberrypi kernel: [151341.834988] Flags: nzCv  IRQs on  
FIQs on  Mode SVC_32  ISA ARM  Segment user
Jul 24 17:47:03 raspberrypi kernel: [151341.837631] Control: 10c5383d  
Table: 3718006a  DAC: 00000055
Jul 24 17:47:03 raspberrypi kernel: [151341.840317] Process python (pid: 
747, stack limit = 0xb8d64210)
Jul 24 17:47:03 raspberrypi kernel: [151341.843041] Stack: (0xb8d65c20 to 
0xb8d66000)
Jul 24 17:47:03 raspberrypi kernel: [151341.845703] 5c20: b8d65c6c b8d65c30 
80583c9c 0026f189 b9138038 bb9c0000 00000000 00000038
Jul 24 17:47:03 raspberrypi kernel: [151341.850941] 5c40: 024000c0 00000000 
00000000 b913e400 b9173f00 b71f8f00 b8d65c74 b8d65c68
Jul 24 17:47:03 raspberrypi kernel: [151341.856223] 5c60: 805904f0 8025dc24 
b8d65c9c b8d65c78 80585320 805904d8 000002c0 80c092f4
Jul 24 17:47:03 raspberrypi kernel: [151341.861519] 5c80: 00000003 024000c0 
00000000 b9138000 b8d65cf4 b8d65ca0 80585a64 805852cc
Jul 24 17:47:03 raspberrypi kernel: [151341.866886] 5ca0: b913e400 00000002 
b8d65cf4 b8d65cb8 80558254 80114234 00000000 b9173f20
Jul 24 17:47:03 raspberrypi kernel: [151341.872542] 5cc0: 80c7c480 60000013 
80b79428 b71f8f00 b913e400 00000000 024000c0 b71f8f08
Jul 24 17:47:03 raspberrypi kernel: [151341.878581] 5ce0: 00000001 b9173f00 
b8d65da4 b8d65cf8 80558570 805859d8 80114308 80114134
Jul 24 17:47:03 raspberrypi kernel: [151341.882523] 5d00: 80118414 00000001 
00000000 80c5be40 20000013 20000013 20000013 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.885828] 5d20: 00000001 00000003 
b8d65d4c b8d65d38 80718834 801e3124 00000000 80c5be40
Jul 24 17:47:03 raspberrypi kernel: [151341.889210] 5d40: b8d65d7c b8d65d50 
80160f10 80718804 00000000 b71f8f00 60000013 b71f8f00
Jul 24 17:47:03 raspberrypi kernel: [151341.892675] 5d60: 60000013 00000000 
fffffffe 80557148 b8d65d9c 8025dc48 b8ca0440 b71f8f00
Jul 24 17:47:03 raspberrypi kernel: [151341.896184] 5d80: 024000c0 00000003 
00000200 b9178000 00000001 b9173f00 b8d65dec b8d65da8
Jul 24 17:47:03 raspberrypi kernel: [151341.899693] 5da0: 8055a0d0 805584b4 
b913e400 b66e4910 20000013 20000013 b66e4914 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.903203] 5dc0: 80d0fe3c b8d65ea4 
b66e4914 b66e4900 80d0fe3c b66e4910 b8ca0440 b9173f00
Jul 24 17:47:03 raspberrypi kernel: [151341.906710] 5de0: b8d65e64 b8d65df0 
80565d60 80559ddc b8d65e28 b8d65e28 b8d65f54 b8d65e08
Jul 24 17:47:03 raspberrypi kernel: [151341.910217] 5e00: 80284f68 80284784 
00000004 8028c404 b8d65e28 b66e4910 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.913722] 5e20: 00000000 00000000 
b8ca0440 00000001 00000000 7ed03558 b91780a4 b9178070
Jul 24 17:47:03 raspberrypi kernel: [151341.917228] 5e40: 802c550a b91780a4 
b9178000 00000004 b66e4900 b915bb48 b8d65efc b8d65e68
Jul 24 17:47:03 raspberrypi kernel: [151341.920736] 5e60: 80566a80 80565378 
80122bc4 80180110 b8d65ea4 b8d65e80 b8d65e94 b8d65e88
Jul 24 17:47:03 raspberrypi kernel: [151341.924244] 5e80: 805d9bf8 805d98b4 
7ed03558 b8d65e98 8018ce38 805d9be0 0003f553 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.927752] 5ea0: c6389587 7ed08101 
766a9814 00000000 0163cde8 00000040 00000000 7ed03730
Jul 24 17:47:03 raspberrypi kernel: [151341.931260] 5ec0: 00000000 002e0620 
00000000 00000000 b8d65f54 7ed03558 b915bb48 b8d74240
Jul 24 17:47:03 raspberrypi kernel: [151341.934767] 5ee0: 802c550a 00000004 
b8d64000 00000000 b8d65f7c b8d65f00 80283214 80566224
Jul 24 17:47:03 raspberrypi kernel: [151341.938275] 5f00: b8d65f44 b8d65f10 
8018c948 805d9be0 ffffffff 00ffffff c6389587 0029ea73
Jul 24 17:47:03 raspberrypi kernel: [151341.941784] 5f20: 3b99b484 00000000 
7ed03548 b8d65f88 0000004e 80108244 b8d65f54 b8d65f48
Jul 24 17:47:03 raspberrypi kernel: [151341.945293] 5f40: 8018dd94 8018c90c 
b8d65f84 b8d65f58 8018ddd4 b8d74240 7ed03558 b8d74240
Jul 24 17:47:03 raspberrypi kernel: [151341.948802] 5f60: 802c550a 00000004 
b8d64000 00000000 b8d65fa4 b8d65f80 802839cc 80283174
Jul 24 17:47:03 raspberrypi kernel: [151341.952309] 5f80: 0163cde8 00000000 
7ed03600 0151ba98 00000036 80108244 00000000 b8d65fa8
Jul 24 17:47:03 raspberrypi kernel: [151341.955816] 5fa0: 801080c0 80283994 
00000000 7ed03600 00000004 802c550a 7ed03558 0163cde8
Jul 24 17:47:03 raspberrypi kernel: [151341.959324] 5fc0: 00000000 7ed03600 
0151ba98 00000036 00000001 74a35c78 7ed0353c 7647e178
Jul 24 17:47:03 raspberrypi kernel: [151341.962831] 5fe0: 76622048 7ed0350c 
7660f13c 76d60f2c 80000010 00000004 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151341.966347] [<8025dcb4>] 
(__kmalloc) from [<805904f0>] (__DWC_ALLOC+0x24/0x28)
Jul 24 17:47:03 raspberrypi kernel: [151341.968150] [<805904f0>] 
(__DWC_ALLOC) from [<80585320>] (dwc_otg_hcd_urb_alloc+0x60/0xc8)
Jul 24 17:47:03 raspberrypi kernel: [151341.971630] [<80585320>] 
(dwc_otg_hcd_urb_alloc) from [<80585a64>] (dwc_otg_urb_enqueue+0x98/0x354)
Jul 24 17:47:03 raspberrypi kernel: [151341.975126] [<80585a64>] 
(dwc_otg_urb_enqueue) from [<80558570>] (usb_hcd_submit_urb+0xc8/0x94c)
Jul 24 17:47:03 raspberrypi kernel: [151341.978625] [<80558570>] 
(usb_hcd_submit_urb) from [<8055a0d0>] (usb_submit_urb+0x300/0x4bc)
Jul 24 17:47:03 raspberrypi kernel: [151341.982128] [<8055a0d0>] 
(usb_submit_urb) from [<80565d60>] (proc_do_submiturb+0x9f4/0xeac)
Jul 24 17:47:03 raspberrypi kernel: [151341.985636] [<80565d60>] 
(proc_do_submiturb) from [<80566a80>] (usbdev_ioctl+0x868/0x1aa0)
Jul 24 17:47:03 raspberrypi kernel: [151341.989148] [<80566a80>] 
(usbdev_ioctl) from [<80283214>] (do_vfs_ioctl+0xac/0x820)
Jul 24 17:47:03 raspberrypi kernel: [151341.992660] [<80283214>] 
(do_vfs_ioctl) from [<802839cc>] (SyS_ioctl+0x44/0x6c)
Jul 24 17:47:03 raspberrypi kernel: [151341.996174] [<802839cc>] 
(SyS_ioctl) from [<801080c0>] (ret_fast_syscall+0x0/0x1c)
Jul 24 17:47:03 raspberrypi kernel: [151341.999696] Code: e7914002 e3540000 
0a000065 e5953014 (e7943003)
Jul 24 17:47:03 raspberrypi kernel: [151342.001490] Unable to handle kernel 
paging request at virtual address 071128d5
Jul 24 17:47:03 raspberrypi kernel: [151342.003275] pgd = b7180000
Jul 24 17:47:03 raspberrypi kernel: [151342.005009] [071128d5] *pgd=00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.006709] Internal error: Oops: 5 
[#2] SMP ARM
Jul 24 17:47:03 raspberrypi kernel: [151342.008372] Modules linked in: bnep 
hci_uart btbcm bluetooth ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl 
ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 
nf_log_ipv4 nf_log_comm$
Jul 24 17:47:03 raspberrypi kernel: [151342.020344] CPU: 2 PID: 747 Comm: 
python Not tainted 4.9.28-v7+ #998
Jul 24 17:47:03 raspberrypi kernel: [151342.021987] Hardware name: BCM2835
Jul 24 17:47:03 raspberrypi kernel: [151342.023572] task: b72aac40 
task.stack: b8d64000
Jul 24 17:47:03 raspberrypi kernel: [151342.025129] PC is at 
kmem_cache_alloc_trace+0x84/0x238
Jul 24 17:47:03 raspberrypi kernel: [151342.026660] LR is at 
__dma_alloc+0x170/0x32c
Jul 24 17:47:03 raspberrypi kernel: [151342.028137] pc : [<8025df10>]    lr 
: [<80114da8>]    psr: 20000193
Jul 24 17:47:03 raspberrypi kernel: [151342.028137] sp : b8d65740  ip : 
b8d65788  fp : b8d65784
Jul 24 17:47:03 raspberrypi kernel: [151342.031035] r10: b9801e40  r9 : 
00000010  r8 : 80114da8
Jul 24 17:47:03 raspberrypi kernel: [151342.032423] r7 : 02088020  r6 : 
7fffffff  r5 : b9801e40  r4 : 071128d5
Jul 24 17:47:03 raspberrypi kernel: [151342.033808] r3 : 00000000  r2 : 
80b81420  r1 : 39407000  r0 : b8d65740
Jul 24 17:47:03 raspberrypi kernel: [151342.035162] Flags: nzCv  IRQs off  
FIQs on  Mode SVC_32  ISA ARM  Segment user
Jul 24 17:47:03 raspberrypi kernel: [151342.036524] Control: 10c5383d  
Table: 3718006a  DAC: 00000055
Jul 24 17:47:03 raspberrypi kernel: [151342.037909] Process python (pid: 
747, stack limit = 0xb8d64210)
Jul 24 17:47:03 raspberrypi kernel: [151342.039314] Stack: (0xb8d65740 to 
0xb8d66000)
Jul 24 17:47:03 raspberrypi kernel: [151342.040688] 5740: 00000290 00000010 
00000000 0026f189 80496590 00000019 b9880400 02080020
Jul 24 17:47:03 raspberrypi kernel: [151342.043386] 5760: b9a4c210 7fffffff 
00000000 805d93b4 00000000 b8d65828 b8d657ec b8d65788
Jul 24 17:47:03 raspberrypi kernel: [151342.046102] 5780: 80114da8 8025de98 
00000000 00000000 00000a40 00000000 00000001 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.048825] 57a0: 00000000 b9a4c210 
00001000 02080020 00000647 805d93b4 00000001 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.051581] 57c0: b9b39a20 00000000 
0000001c b9a4c210 00000010 b9a46f90 b8d65860 80c092f4
Jul 24 17:47:03 raspberrypi kernel: [151342.054472] 57e0: b8d65814 b8d657f0 
80114ffc 80114c44 00000647 00000000 00000000 805d93b4
Jul 24 17:47:03 raspberrypi kernel: [151342.057500] 5800: b8d65860 00001000 
b8d6585c b8d65818 805d93b4 80114fb8 00000000 ffffffff
Jul 24 17:47:03 raspberrypi kernel: [151342.060651] 5820: b8d658c8 00000010 
ffffffff 00000000 00000000 00000004 b8d6586c b8d6589c
Jul 24 17:47:03 raspberrypi kernel: [151342.063950] 5840: 00000010 b9a46f90 
00000001 8025dcb6 b8d65894 b8d65860 805d959c 805d9324
Jul 24 17:47:03 raspberrypi kernel: [151342.067318] 5860: 00040002 00000004 
00000000 00000000 00000004 b9b29800 00000000 b9b29800
Jul 24 17:47:03 raspberrypi kernel: [151342.070769] 5880: 00000000 00000000 
b8d658bc b8d65898 804a218c 805d9544 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.074267] 58a0: b8d658bc b9b29800 
00000000 b9baaa00 b8d658e4 b8d658c0 80498710 804a2148
Jul 24 17:47:03 raspberrypi kernel: [151342.077764] 58c0: b9880400 00000000 
b9b29800 b8d658c4 b9b29800 b9880400 b8d659c4 b8d658e8
Jul 24 17:47:03 raspberrypi kernel: [151342.081260] 58e0: 8049213c 804986b8 
80171664 80170efc 00000400 60000193 80c0f0f0 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.084759] 5900: 80c9d580 b8d64000 
80c0312c 00000001 80c0f0b4 b9f654c0 40000193 80b7a4c0
Jul 24 17:47:03 raspberrypi kernel: [151342.088260] 5920: 80c0442c b8d65994 
80b7ad40 80c51124 b8d65954 b8d65940 8071862c 801e3250
Jul 24 17:47:03 raspberrypi kernel: [151342.091761] 5940: b9f654c0 40000193 
b9f814c0 00e762c4 b9f814c0 00000000 ffffffff 42000000
Jul 24 17:47:03 raspberrypi kernel: [151342.095262] 5960: b8d65984 b8d65970 
80718864 801e3250 00000000 80c51124 b8d659c4 b8d65988
Jul 24 17:47:03 raspberrypi kernel: [151342.098760] 5980: 80185dbc 80718804 
00000000 00000000 00000000 40000193 00000000 80d0c19c
Jul 24 17:47:03 raspberrypi kernel: [151342.102258] 59a0: 80ca0334 b9880400 
00000000 8025dcb8 00000001 8025dcb6 b8d659e4 b8d659c8
Jul 24 17:47:03 raspberrypi kernel: [151342.105755] 59c0: 804d54a8 80491f5c 
80c7a2c4 60000113 80c08998 0000000b b8d659f4 b8d659e8
Jul 24 17:47:03 raspberrypi kernel: [151342.109255] 59e0: 804d55cc 804d53f8 
b8d65a04 b8d659f8 804630bc 804d55bc b8d65a8c b8d65a08
Jul 24 17:47:03 raspberrypi kernel: [151342.112757] 5a00: 8010c18c 80463098 
b8d64210 0000000b b8ef7dc0 8094de5c 00000008 7f000000
Jul 24 17:47:03 raspberrypi kernel: [151342.116261] 5a20: 00000000 80c08998 
65171f00 34313937 20323030 34353365 30303030 30613020
Jul 24 17:47:03 raspberrypi kernel: [151342.119764] 5a40: 36303030 35652035 
30333539 28203431 34393765 33303033 80002029 802097d8
Jul 24 17:47:03 raspberrypi kernel: [151342.123269] 5a60: 8094f750 071128d5 
00000005 b8d65bd0 b8ef7dc0 b8ef7dc0 b8ef7df8 00000014
Jul 24 17:47:03 raspberrypi kernel: [151342.126775] 5a80: b8d65aa4 b8d65a90 
80118e74 8010c068 b8d65bd0 071128d5 b8d65afc b8d65aa8
Jul 24 17:47:03 raspberrypi kernel: [151342.130280] 5aa0: 80719500 80118e0c 
00000000 00000000 b8d65b7c 00000000 00000000 b72aac40
Jul 24 17:47:03 raspberrypi kernel: [151342.133789] 5ac0: b8d65ae4 00000000 
00000000 00010000 00000000 00000005 00000005 80719668
Jul 24 17:47:03 raspberrypi kernel: [151342.137297] 5ae0: 071128d5 b8d65bd0 
b8d64000 b9801e40 b8d65b1c b8d65b00 80719724 807192c4
Jul 24 17:47:03 raspberrypi kernel: [151342.140806] 5b00: 80c040a4 80c093d4 
00000005 80719668 b8d65bcc b8d65b20 801011e8 80719674
Jul 24 17:47:03 raspberrypi kernel: [151342.144316] 5b20: b8d65f68 00000001 
b8d65e10 b8d65b38 80197620 00000000 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.147825] 5b40: 00000000 b8d65e28 
b8d65e28 b8d65e28 b8d65e28 b8d65e28 b8d65e28 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.151334] 5b60: b8d74240 00000000 
00000000 00000010 d132cb5c 000089a4 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.154843] 5b80: ffffffff 00000000 
b72aac40 00000000 00000000 00000000 b8d74240 0000030e
Jul 24 17:47:03 raspberrypi kernel: [151342.158353] 5ba0: 00000000 8025dcb4 
20000013 8025dcb4 20000013 ffffffff b8d65c04 024080c0
Jul 24 17:47:03 raspberrypi kernel: [151342.161862] 5bc0: b8d65c64 b8d65bd0 
80718ab4 801011ac b8d65c20 39407000 80b81420 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.165370] 5be0: 071128d5 b9801e40 
00000000 00000038 024080c0 805904f0 b9801e40 b8d65c64
Jul 24 17:47:03 raspberrypi kernel: [151342.168877] 5c00: b8d65c20 b8d65c20 
8025ddf0 8025dcb4 20000013 ffffffff 8025ddf0 7f000000
Jul 24 17:47:03 raspberrypi kernel: [151342.172384] 5c20: b8d65c6c b8d65c30 
80583c9c 0026f189 b9138038 bb9c0000 00000000 00000038
Jul 24 17:47:03 raspberrypi kernel: [151342.175890] 5c40: 024000c0 00000000 
00000000 b913e400 b9173f00 b71f8f00 b8d65c74 b8d65c68
Jul 24 17:47:03 raspberrypi kernel: [151342.179397] 5c60: 805904f0 8025dc24 
b8d65c9c b8d65c78 80585320 805904d8 000002c0 80c092f4
Jul 24 17:47:03 raspberrypi kernel: [151342.182904] 5c80: 00000003 024000c0 
00000000 b9138000 b8d65cf4 b8d65ca0 80585a64 805852cc
Jul 24 17:47:03 raspberrypi kernel: [151342.186411] 5ca0: b913e400 00000002 
b8d65cf4 b8d65cb8 80558254 80114234 00000000 b9173f20
Jul 24 17:47:03 raspberrypi kernel: [151342.189918] 5cc0: 80c7c480 60000013 
80b79428 b71f8f00 b913e400 00000000 024000c0 b71f8f08
Jul 24 17:47:03 raspberrypi kernel: [151342.193425] 5ce0: 00000001 b9173f00 
b8d65da4 b8d65cf8 80558570 805859d8 80114308 80114134
Jul 24 17:47:03 raspberrypi kernel: [151342.196932] 5d00: 80118414 00000001 
00000000 80c5be40 20000013 20000013 20000013 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.200439] 5d20: 00000001 00000003 
b8d65d4c b8d65d38 80718834 801e3124 00000000 80c5be40
Jul 24 17:47:03 raspberrypi kernel: [151342.203944] 5d40: b8d65d7c b8d65d50 
80160f10 80718804 00000000 b71f8f00 60000013 b71f8f00
Jul 24 17:47:03 raspberrypi kernel: [151342.207449] 5d60: 60000013 00000000 
fffffffe 80557148 b8d65d9c 8025dc48 b8ca0440 b71f8f00
Jul 24 17:47:03 raspberrypi kernel: [151342.210953] 5d80: 024000c0 00000003 
00000200 b9178000 00000001 b9173f00 b8d65dec b8d65da8
Jul 24 17:47:03 raspberrypi kernel: [151342.214455] 5da0: 8055a0d0 805584b4 
b913e400 b66e4910 20000013 20000013 b66e4914 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.217957] 5dc0: 80d0fe3c b8d65ea4 
b66e4914 b66e4900 80d0fe3c b66e4910 b8ca0440 b9173f00
Jul 24 17:47:03 raspberrypi kernel: [151342.221460] 5de0: b8d65e64 b8d65df0 
80565d60 80559ddc b8d65e28 b8d65e28 b8d65f54 b8d65e08
Jul 24 17:47:03 raspberrypi kernel: [151342.224962] 5e00: 80284f68 80284784 
00000004 8028c404 b8d65e28 b66e4910 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.228463] 5e20: 00000000 00000000 
b8ca0440 00000001 00000000 7ed03558 b91780a4 b9178070
Jul 24 17:47:03 raspberrypi kernel: [151342.231966] 5e40: 802c550a b91780a4 
b9178000 00000004 b66e4900 b915bb48 b8d65efc b8d65e68
Jul 24 17:47:03 raspberrypi kernel: [151342.235470] 5e60: 80566a80 80565378 
80122bc4 80180110 b8d65ea4 b8d65e80 b8d65e94 b8d65e88
Jul 24 17:47:03 raspberrypi kernel: [151342.238977] 5e80: 805d9bf8 805d98b4 
7ed03558 b8d65e98 8018ce38 805d9be0 0003f553 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.242483] 5ea0: c6389587 7ed08101 
766a9814 00000000 0163cde8 00000040 00000000 7ed03730
Jul 24 17:47:03 raspberrypi kernel: [151342.245992] 5ec0: 00000000 002e0620 
00000000 00000000 b8d65f54 7ed03558 b915bb48 b8d74240
Jul 24 17:47:03 raspberrypi kernel: [151342.249501] 5ee0: 802c550a 00000004 
b8d64000 00000000 b8d65f7c b8d65f00 80283214 80566224
Jul 24 17:47:03 raspberrypi kernel: [151342.253004] 5f00: b8d65f44 b8d65f10 
8018c948 805d9be0 ffffffff 00ffffff c6389587 0029ea73
Jul 24 17:47:03 raspberrypi kernel: [151342.256506] 5f20: 3b99b484 00000000 
7ed03548 b8d65f88 0000004e 80108244 b8d65f54 b8d65f48
Jul 24 17:47:03 raspberrypi kernel: [151342.260007] 5f40: 8018dd94 8018c90c 
b8d65f84 b8d65f58 8018ddd4 b8d74240 7ed03558 b8d74240
Jul 24 17:47:03 raspberrypi kernel: [151342.263507] 5f60: 802c550a 00000004 
b8d64000 00000000 b8d65fa4 b8d65f80 802839cc 80283174
Jul 24 17:47:03 raspberrypi kernel: [151342.267006] 5f80: 0163cde8 00000000 
7ed03600 0151ba98 00000036 80108244 00000000 b8d65fa8
Jul 24 17:47:03 raspberrypi kernel: [151342.270504] 5fa0: 801080c0 80283994 
00000000 7ed03600 00000004 802c550a 7ed03558 0163cde8
Jul 24 17:47:03 raspberrypi kernel: [151342.274002] 5fc0: 00000000 7ed03600 
0151ba98 00000036 00000001 74a35c78 7ed0353c 7647e178
Jul 24 17:47:03 raspberrypi kernel: [151342.277500] 5fe0: 76622048 7ed0350c 
7660f13c 76d60f2c 80000010 00000004 00000000 00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.280998] [<8025df10>] 
(kmem_cache_alloc_trace) from [<80114da8>] (__dma_alloc+0x170/0x32c)
Jul 24 17:47:03 raspberrypi kernel: [151342.284505] [<80114da8>] 
(__dma_alloc) from [<80114ffc>] (arm_dma_alloc+0x50/0x58)
Jul 24 17:47:03 raspberrypi kernel: [151342.288012] [<80114ffc>] 
(arm_dma_alloc) from [<805d93b4>] (rpi_firmware_property_list+0x9c/0x220)
Jul 24 17:47:03 raspberrypi kernel: [151342.291547] [<805d93b4>] 
(rpi_firmware_property_list) from [<805d959c>] 
(rpi_firmware_property+0x64/0x84)
Jul 24 17:47:03 raspberrypi kernel: [151342.295097] [<805d959c>] 
(rpi_firmware_property) from [<804a218c>] (bcm2708_fb_blank+0x50/0x9c)
Jul 24 17:47:03 raspberrypi kernel: [151342.298643] [<804a218c>] 
(bcm2708_fb_blank) from [<80498710>] (fb_blank+0x64/0xb8)
Jul 24 17:47:03 raspberrypi kernel: [151342.302182] [<80498710>] (fb_blank) 
from [<8049213c>] (fbcon_blank+0x1ec/0x2b8)
Jul 24 17:47:03 raspberrypi kernel: [151342.305726] [<8049213c>] 
(fbcon_blank) from [<804d54a8>] (do_unblank_screen+0xbc/0x1c4)
Jul 24 17:47:03 raspberrypi kernel: [151342.309283] [<804d54a8>] 
(do_unblank_screen) from [<804d55cc>] (unblank_screen+0x1c/0x20)
Jul 24 17:47:03 raspberrypi kernel: [151342.312850] [<804d55cc>] 
(unblank_screen) from [<804630bc>] (bust_spinlocks+0x30/0x58)
Jul 24 17:47:03 raspberrypi kernel: [151342.316422] [<804630bc>] 
(bust_spinlocks) from [<8010c18c>] (die+0x130/0x440)
Jul 24 17:47:03 raspberrypi kernel: [151342.318255] [<8010c18c>] (die) from 
[<80118e74>] (__do_kernel_fault.part.0+0x74/0x1f4)
Jul 24 17:47:03 raspberrypi kernel: [151342.321791] [<80118e74>] 
(__do_kernel_fault.part.0) from [<80719500>] (do_page_fault+0x248/0x3b0)
Jul 24 17:47:03 raspberrypi kernel: [151342.325337] [<80719500>] 
(do_page_fault) from [<80719724>] (do_translation_fault+0xbc/0xc0)
Jul 24 17:47:03 raspberrypi kernel: [151342.328873] [<80719724>] 
(do_translation_fault) from [<801011e8>] (do_DataAbort+0x48/0xc4)
Jul 24 17:47:03 raspberrypi kernel: [151342.332409] [<801011e8>] 
(do_DataAbort) from [<80718ab4>] (__dabt_svc+0x54/0x80)
Jul 24 17:47:03 raspberrypi kernel: [151342.335928] Exception 
stack(0xb8d65bd0 to 0xb8d65c18)
Jul 24 17:47:03 raspberrypi kernel: [151342.337684] 
5bc0:                                     b8d65c20 39407000 80b81420 
00000000
Jul 24 17:47:03 raspberrypi kernel: [151342.341104] 5be0: 071128d5 b9801e40 
00000000 00000038 024080c0 805904f0 b9801e40 b8d65c64
Jul 24 17:47:03 raspberrypi kernel: [151342.344481] 5c00: b8d65c20 b8d65c20 
8025ddf0 8025dcb4 20000013 ffffffff
Jul 24 17:47:03 raspberrypi kernel: [151342.346199] [<80718ab4>] 
(__dabt_svc) from [<8025dcb4>] (__kmalloc+0x9c/0x274)
Jul 24 17:47:03 raspberrypi kernel: [151342.347909] [<8025dcb4>] 
(__kmalloc) from [<805904f0>] (__DWC_ALLOC+0x24/0x28)
Jul 24 17:47:03 raspberrypi kernel: [151342.349595] [<805904f0>] 
(__DWC_ALLOC) from [<80585320>] (dwc_otg_hcd_urb_alloc+0x60/0xc8)
Jul 24 17:47:03 raspberrypi kernel: [151342.352837] [<80585320>] 
(dwc_otg_hcd_urb_alloc) from [<80585a64>] (dwc_otg_urb_enqueue+0x98/0x354)
Jul 24 17:47:03 raspberrypi kernel: [151342.356128] [<80585a64>] 
(dwc_otg_urb_enqueue) from [<80558570>] (usb_hcd_submit_urb+0xc8/0x94c)
Jul 24 17:47:03 raspberrypi kernel: [151342.359417] [<80558570>] 
(usb_hcd_submit_urb) from [<8055a0d0>] (usb_submit_urb+0x300/0x4bc)
Jul 24 17:47:03 raspberrypi kernel: [151342.362703] [<8055a0d0>] 
(usb_submit_urb) from [<80565d60>] (proc_do_submiturb+0x9f4/0xeac)
Jul 24 17:47:03 raspberrypi kernel: [151342.365986] [<80565d60>] 
(proc_do_submiturb) from [<80566a80>] (usbdev_ioctl+0x868/0x1aa0)
Jul 24 17:47:03 raspberrypi kernel: [151342.369266] [<80566a80>] 
(usbdev_ioctl) from [<80283214>] (do_vfs_ioctl+0xac/0x820)
Jul 24 17:47:03 raspberrypi kernel: [151342.372602] [<80283214>] 
(do_vfs_ioctl) from [<802839cc>] (SyS_ioctl+0x44/0x6c)
Jul 24 17:47:03 raspberrypi kernel: [151342.376022] [<802839cc>] 
(SyS_ioctl) from [<801080c0>] (ret_fast_syscall+0x0/0x1c)
Jul 24 17:47:03 raspberrypi kernel: [151342.379455] Code: e7914002 e3540000 
0a00005a e5953014 (e7943003)
Jul 24 17:47:03 raspberrypi kernel: [151342.381212] ---[ end trace 
22f61e84d0410a94 ]---
Jul 24 17:54:04 raspberrypi systemd[1]: systemd-journald.service watchdog 
timeout (limit 1min)!
Jul 24 17:54:04 raspberrypi systemd[1]: Starting Trigger Flushing of 
Journal to Persistent Storage...
Jul 24 17:54:04 raspberrypi systemd[1]: Started Trigger Flushing of Journal 
to Persistent Storage



I have only see this log one time, and I hope someone can help me.

Thanks in advance.

Tom 

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