Re: [BRLTTY] BRLTTY freezing

Tue, 17 Nov 2020 10:51:33 -0800 

Hi,

In the version of GRML I'm using, BRLTTY 6.0 launches automatically when
booting and connects to my SuperVario 40. But, after a few seconds, the
display freezes and I need to disconnect and re-connect it in order for it
to work for another 3-4 seconds when it freezes once again.

Thanks,
/David R.

-----Ursprungligt meddelande-----
Från: BRLTTY <[email protected]> För Dave Mielke
Skickat: den 16 oktober 2020 14:16
Till: Informal discussion between users and developers of BRLTTY.
<[email protected]>
Ämne: Re: [BRLTTY] BRLTTY freezing

[quoted lines by [email protected] on 2020/10/16 at 00:17 +0200]

>I've just downloaded and installed the live distribution GRML 2020.06 
>on a USB memory. My braille displays are detected correctly, i.e. I've 
>tried both a Focus Blue 40 V5 and a SuperVario 40. However, after 
>startup, the braille freezes after about 15 seconds. If I then 
>disconnect and re-connect the display, it works for a couple of seconds 
>before freezing again. Of course, this makes it impossible to use.

Which release of brltty are you using?

Arwe you starting brltty via its udev rules?

--
I believe the Bible to be the very Word of God: http://Mielke.cc/bible/
Dave Mielke            | 2213 Fox Crescent | WebHome: http://Mielke.cc/
EMail: [email protected]  | Ottawa, Ontario   | Twitter: @Dave_Mielke
Phone: +1 613 726 0014 | Canada  K2A 1H7   |
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Title: grml
id:
grml
description: Notebook
product: Latitude 5510 (09A1)
vendor: Dell Inc.
serial: C13KM53
width: 64 bits
capabilities: smbios-3.2.0 dmi-3.2.0 smp vsyscall32
configuration:
boot=normal
chassis=notebook
family=Latitude
sku=09A1
uuid=44454C4C-3100-1033-804B-C3C04F4D3533
id:
core
description: Motherboard
product: 08PHDH
vendor: Dell Inc.
physical id:
0
version: A00
serial: /C13KM53/CNCMK0008205F9/
id:
firmware
description: BIOS
vendor: Dell Inc.
physical id:
0
version: 1.1.1
date: 05/04/2020
size: 64KiB
capacity: 32MiB
capabilities: pci pnp upgrade shadowing cdboot bootselect edd int13floppynec int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb smartbattery biosbootspecification netboot uefi
id:
memory
description: System Memory
physical id:
1c
slot: System board or motherboard
size: 16GiB
id:
bank:0
description: DIMM [empty]
physical id:
0
slot: DIMM A
id:
bank:1
description: SODIMM DDR4 Synchronous 3200 MHz (0.3 ns)
product: HMA82GS6DJR8N-XN
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id:
1
serial: 53D14033
slot: DIMM B
size: 16GiB
width: 64 bits
clock: 3200MHz (0.3ns)
id:
cache:0
description: L1 cache
physical id:
40
slot: L1 Cache
size: 256KiB
capacity: 256KiB
capabilities: synchronous internal write-back unified
configuration:
level=1
id:
cache:1
description: L2 cache
physical id:
41
slot: L2 Cache
size: 1MiB
capacity: 1MiB
capabilities: synchronous internal write-back unified
configuration:
level=2
id:
cache:2
description: L3 cache
physical id:
42
slot: L3 Cache
size: 8MiB
capacity: 8MiB
capabilities: synchronous internal write-back unified
configuration:
level=3
id:
cpu
description: CPU
product: Intel(R) Core(TM) i7-10610U CPU @ 1.80GHz
vendor: Intel Corp.
physical id:
43
bus info:
cpu@0
version: Intel(R) Core(TM) i7-10610U CPU @ 1.80GHz
slot: U3E1
size: 3249MHz
capacity: 4900MHz
width: 64 bits
clock: 100MHz
capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d arch_capabilities cpufreq
configuration:
cores=4
enabledcores=4
threads=8
id:
pci
physical id:
100
bus info:
pci@0000:00:00.0
version: 0c
width: 32 bits
clock: 33MHz
id:
display
physical id:
2
bus info:
pci@0000:00:02.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm bus_master cap_list rom
configuration:
driver=i915
latency=0
resources:
irq:126
memory:90000000-90ffffff
memory:80000000-8fffffff
ioport:3000(size=64)
memory:c0000-dffff
id:
generic:0
physical id:
4
bus info:
pci@0000:00:04.0
version: 0c
width: 64 bits
clock: 33MHz
capabilities: msi pm cap_list
configuration:
driver=proc_thermal
latency=0
resources:
irq:16
memory:912b8000-912bffff
id:
generic:1
physical id:
8
bus info:
pci@0000:00:08.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: msi pm cap_list
configuration:
latency=0
resources:
memory:912d3000-912d3fff
id:
generic:2
physical id:
12
bus info:
pci@0000:00:12.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi cap_list
configuration:
latency=0
resources:
memory:912d2000-912d2fff
id:
usb
physical id:
14
bus info:
pci@0000:00:14.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration:
driver=xhci_hcd
latency=0
resources:
irq:125
memory:912a0000-912affff
id:
usbhost:0
product: xHCI Host Controller
vendor: Linux 5.6.0-2-amd64 xhci-hcd
physical id:
0
bus info:
usb@1
logical name:
usb1
version: 5.06
capabilities: usb-2.00
configuration:
driver=hub
slots=12
speed=480Mbit/s
id:
usb:0
description: Mass storage device
product: Mass Storage
vendor: Generic
physical id:
2
bus info:
usb@1:2
logical name:
scsi1
version: 1.00
serial: A78D24CC
capabilities: usb-2.00 scsi emulated
configuration:
driver=usb-storage
maxpower=200mA
speed=480Mbit/s
id:
disk
description: SCSI Disk
product: Flash Disk
vendor: Generic
physical id:
0.0.0
bus info:
scsi@1:0.0.0
logical name:
/dev/sdb
version: 8.07
serial: A
size: 29GiB (31GB)
capabilities: removable
configuration:
ansiversion=4
logicalsectorsize=512
sectorsize=512
id:
medium
physical id:
0
logical name:
/dev/sdb
size: 29GiB (31GB)
capabilities: partitioned partitioned:dos
configuration:
signature=47080b86
id:
volume
description: Windows FAT volume
vendor: MSDOS5.0
physical id:
1
logical name:
/dev/sdb1
logical name:
/mnt/m
version: FAT32
serial: 7059-3905
size: 29GiB
capacity: 29GiB
capabilities: primary fat initialized
configuration:
FATs=2
filesystem=fat
label=DAVID R
mount.fstype=vfat
mount.options=rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro
state=mounted
id:
usb:1
description: Generic USB device
product: SuperVario 40
vendor: BAUM Retec AG
physical id:
3
bus info:
usb@1:3
version: 4.00
serial: 24000072
capabilities: usb-2.00
configuration:
maxpower=100mA
speed=12Mbit/s
id:
usb:2
description: Mass storage device
product: USB Flash Disk
vendor: General
physical id:
4
bus info:
usb@1:4
logical name:
scsi0
version: 1.00
serial: 0475070000006C48
capabilities: usb-2.00 scsi emulated
configuration:
driver=usb-storage
maxpower=100mA
speed=480Mbit/s
id:
disk
description: SCSI Disk
product: USB Flash Disk
vendor: General
physical id:
0.0.0
bus info:
scsi@0:0.0.0
logical name:
/dev/sda
version: 1.00
size: 14GiB (16GB)
capabilities: removable
configuration:
ansiversion=2
logicalsectorsize=512
sectorsize=512
id:
medium
physical id:
0
logical name:
/dev/sda
size: 14GiB (16GB)
capabilities: partitioned partitioned:dos
configuration:
signature=3cbb5cfe
id:
volume
description: Windows FAT volume
vendor: mkfs.fat
physical id:
2
logical name:
/dev/sda2
version: FAT12
serial: 6e17-ae1c
size: 15EiB
capabilities: primary boot fat initialized
configuration:
FATs=2
filesystem=fat
label=GRML
id:
usb:3
description: Video
product: Integrated_Webcam_HD
vendor: CN0V976R8LG00062A9YXA00
physical id:
6
bus info:
usb@1:6
version: 82.68
capabilities: usb-2.01
configuration:
driver=uvcvideo
maxpower=500mA
speed=480Mbit/s
id:
usb:4
description: Smart card reader
product: 58200
vendor: Broadcom Corp
physical id:
8
bus info:
usb@1:8
version: 1.01
serial: 0123456789ABCD
capabilities: usb-2.00
configuration:
maxpower=100mA
speed=480Mbit/s
id:
usb:5
description: Bluetooth wireless interface
vendor: Intel Corp.
physical id:
a
bus info:
usb@1:a
version: 0.02
capabilities: bluetooth usb-2.01
configuration:
driver=btusb
maxpower=100mA
speed=12Mbit/s
id:
usbhost:1
product: xHCI Host Controller
vendor: Linux 5.6.0-2-amd64 xhci-hcd
physical id:
1
bus info:
usb@2
logical name:
usb2
version: 5.06
capabilities: usb-3.10
configuration:
driver=hub
slots=6
speed=10000Mbit/s
id:
memory
physical id:
14.2
bus info:
pci@0000:00:14.2
version: 00
width: 64 bits
clock: 33MHz (30.3ns)
capabilities: pm cap_list
configuration:
latency=0
resources:
memory:912c8000-912c9fff
memory:912d1000-912d1fff
id:
network:0
description: Wireless interface
physical id:
14.3
bus info:
pci@0000:00:14.3
logical name:
wlan0
version: 00
serial: cc:d9:ac:e5:6a:5f
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration:
broadcast=yes
driver=iwlwifi
driverversion=5.6.0-2-amd64
firmware=48.13675109.0 QuZ-a0-hr-b0-48.u
latency=0
link=no
multicast=yes
wireless=IEEE 802.11
resources:
irq:16
memory:912c4000-912c7fff
id:
serial:0
physical id:
15
bus info:
pci@0000:00:15.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration:
driver=intel-lpss
latency=0
resources:
irq:16
memory:7e800000-7e800fff
id:
serial:1
physical id:
15.1
bus info:
pci@0000:00:15.1
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration:
driver=intel-lpss
latency=0
resources:
irq:17
memory:7e801000-7e801fff
id:
communication:0
physical id:
16
bus info:
pci@0000:00:16.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration:
driver=mei_me
latency=0
resources:
irq:127
memory:912ce000-912cefff
id:
communication:1
physical id:
16.3
bus info:
pci@0000:00:16.3
version: 00
width: 32 bits
clock: 66MHz
capabilities: msi pm cap_list
configuration:
driver=serial
latency=0
resources:
irq:19
ioport:30a0(size=8)
memory:912cd000-912cdfff
id:
raid
physical id:
17
bus info:
pci@0000:00:17.0
version: 00
width: 32 bits
clock: 66MHz
capabilities: raid msix pm bus_master cap_list
configuration:
latency=0
resources:
memory:912b0000-912b7fff
memory:912cc000-912cc0ff
ioport:3090(size=8)
ioport:3080(size=4)
ioport:3060(size=32)
memory:91200000-9127ffff
id:
serial:2
physical id:
19
bus info:
pci@0000:00:19.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration:
driver=intel-lpss
latency=0
resources:
irq:32
memory:7e802000-7e802fff
id:
pci
physical id:
1c
bus info:
pci@0000:00:1c.0
version: f0
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm bus_master cap_list
configuration:
driver=pcieport
resources:
irq:122
memory:91100000-911fffff
id:
generic
physical id:
0
bus info:
pci@0000:01:00.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration:
driver=rtsx_pci
latency=0
resources:
irq:123
memory:91100000-91100fff
id:
isa
physical id:
1f
bus info:
pci@0000:00:1f.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: isa bus_master
configuration:
latency=0
id:
multimedia
physical id:
1f.3
bus info:
pci@0000:00:1f.3
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration:
driver=snd_hda_intel
latency=32
resources:
irq:128
memory:912c0000-912c3fff
memory:91000000-910fffff
id:
serial:3
physical id:
1f.4
bus info:
pci@0000:00:1f.4
version: 00
width: 64 bits
clock: 33MHz
configuration:
driver=i801_smbus
latency=0
resources:
irq:16
memory:912ca000-912ca0ff
ioport:efa0(size=32)
id:
serial:4
physical id:
1f.5
bus info:
pci@0000:00:1f.5
version: 00
width: 32 bits
clock: 33MHz
configuration:
latency=0
resources:
memory:fe010000-fe010fff
id:
network:1
description: Ethernet interface
physical id:
1f.6
bus info:
pci@0000:00:1f.6
logical name:
eth0
version: 00
serial: cc:48:3a:38:33:fe
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration:
autonegotiation=on
broadcast=yes
driver=e1000e
driverversion=3.2.6-k
firmware=0.6-4
latency=0
link=no
multicast=yes
port=twisted pair
resources:
irq:124
memory:91280000-9129ffff
id:
pnp00:00
product: PnP device PNP0c02
physical id:
1
capabilities: pnp
configuration:
driver=system
id:
pnp00:01
product: PnP device PNP0c02
physical id:
2
capabilities: pnp
configuration:
driver=system
id:
pnp00:02
product: PnP device PNP0b00
physical id:
3
capabilities: pnp
configuration:
driver=rtc_cmos
id:
pnp00:03
product: PnP device INT3f0d
physical id:
4
capabilities: pnp
configuration:
driver=system
id:
pnp00:04
product: PnP device PNP0303
physical id:
5
capabilities: pnp
configuration:
driver=i8042 kbd
id:
pnp00:05
product: PnP device DLL09a1
physical id:
6
capabilities: pnp
configuration:
driver=i8042 aux
id:
pnp00:06
product: PnP device PNP0c02
physical id:
7
capabilities: pnp
configuration:
driver=system
id:
pnp00:07
product: PnP device PNP0c02
physical id:
8
capabilities: pnp
configuration:
driver=system
id:
pnp00:08
product: PnP device PNP0c02
physical id:
9
capabilities: pnp
configuration:
driver=system
id:
pnp00:09
product: PnP device PNP0c02
physical id:
a
capabilities: pnp
configuration:
driver=system
id:
battery
product: DELL 10X1J06
vendor: LG
physical id:
1
version: 06/18/2020
serial: 90D1
slot: Sys. Battery Bay
capacity: 68000mWh
configuration:
voltage=15.2V
 
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