I am running knoppix 7.7.1:
$ uname -a
Linux Microknoppix 4.7.9-64 #19 SMP PREEMPT Sat Oct 22 02:39:01 CEST 2016 x86_64 GNU/Linux
on a laptop on which Windows 7 was installed. I decided to keep that baseline installation. So, I used gparted to create a partition, then went tohd ... At times I also run knoppix off the DVD.
Everything worked just fine. All of a sudden, right after I physically connect the network cable to the router, the laptop, its USB modem and/or USB keyboard become unresponsive for a few seconds and then start to temporarily freeze. I see all kinds of errors as if there is something wrong, but (after restarting and while disconnected to the Internet) neither memtest, nor testcd, nor the BIOS and its internal harddrive and many other tests report any kinds of errors. Those problems happen more often after suspending the box for a while. Also, when I boot Windows 7 all is fine.
I only connect to the Internet when I need to (using ifconfing ... [up|down]).
What would you suggest?
Code:
$ _FLR="error\|fail\|invalid\|valig\|missing\|refus\|can\'t\|cannot\|don\'t\| no \| not "
$ echo "${_FLR}"
error\|fail\|invalid\|valig\|missing\|refus\|can\'t\|cannot\|don\'t\| no \| not
$ dmesg | grep -i "${_FLR}"
[ 22.483081] systemd-udevd[2216]: Invalid rule /UNIONFS/lib/udev/rules.d/60-persistent-input.rules:6: unknown key '*ENV{ID_BUS}'
[ 24.201434] systemd-udevd[2227]: Process '/etc/console-setup/cached_setup_font.sh' failed with exit code 2.
[ 26.096064] intel ips 0000:00:1f.6: failed to get i915 symbols, graphics turbo disabled until i915 loads
[ 26.684757] systemd-udevd[2229]: Process '/etc/console-setup/cached_setup_font.sh' failed with exit code 2.
[ 26.713380] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
[ 27.046437] systemd-udevd[2220]: Process '/etc/console-setup/cached_setup_font.sh' failed with exit code 2.
[ 29.921399] systemd-udevd[2229]: Process '/usr/sbin/alsactl -E HOME=/run/alsa restore 0' failed with exit code 99.
[ 33.288572] systemd-udevd[2299]: Process '/usr/sbin/alsactl -E HOME=/run/alsa restore 0' failed with exit code 99.
[ 38.947027] usb 1-1.1: clear tt 1 (0060) error -71
[ 38.952651] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.956942] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.961148] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.965399] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.969617] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.969619] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[ 38.973854] usb 1-1.1-port4: cannot disable (err = -71)
[ 38.978117] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.982369] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.986619] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.990871] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.995120] usb 1-1.1-port4: cannot reset (err = -71)
[ 38.995122] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[ 38.999405] usb 1-1.1-port4: cannot disable (err = -71)
[ 39.003642] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.007885] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.012180] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.016568] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.020794] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.020798] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[ 39.025167] usb 1-1.1-port4: cannot disable (err = -71)
[ 39.029421] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.033619] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.038041] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.042301] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.046507] usb 1-1.1-port4: cannot reset (err = -71)
[ 39.046511] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[ 39.050780] usb 1-1.1-port4: cannot disable (err = -71)
[ 39.055008] usb 1-1.1-port4: cannot disable (err = -71)
[ 39.059273] hub 1-1.1:1.0: hub_ext_port_status failed (err = -71)
[ 39.836575] usb 1-1.1: clear tt 1 (8080) error -71
[ 39.844668] usb 1-1.1: clear tt 1 (8080) error -71
[ 39.848670] usb 1-1.1.3: device descriptor read/all, error -71
[ 57.788016] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one
[ 59.835892] systemd-udevd[2492]: Process '/usr/sbin/alsactl -E HOME=/run/alsa restore 29' failed with exit code 99.
[ 88.200831] systemd-logind[2701]: Failed to start user service, ignoring: Unknown unit: user@1000.service
[ 114.846318] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 211.636742] FAT-fs (sdb1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
[ 211.642890] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[ 478.890873] sd 8:0:0:0: [sdb] Synchronize Cache(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[ 5493.612478] usb 1-1.1: clear tt 1 (00e0) error -71
[ 5493.616729] usb 1-1.1: clear tt 1 (00d0) error -71
[ 5493.621000] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.625265] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.629473] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.633748] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.637997] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.638001] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[ 5493.642224] usb 1-1.1-port4: cannot disable (err = -71)
[ 5493.646459] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.650767] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.655019] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.659255] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.663473] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.663477] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[ 5493.667713] usb 1-1.1-port4: cannot disable (err = -71)
[ 5493.672004] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.676241] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.680506] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.684689] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.688979] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.688983] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[ 5493.693259] usb 1-1.1-port4: cannot disable (err = -71)
[ 5493.697490] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.701750] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.706013] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.710270] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.714471] usb 1-1.1-port4: cannot reset (err = -71)
[ 5493.714475] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[13849.615013] CPU: 2 PID: 2739 Comm: Xorg Not tainted 4.7.9-64 #19
[25224.149345] usb 1-1.1: clear tt 1 (0120) error -71
[25224.155933] usb 1-1.1-port4: cannot reset (err = -71)
[25224.160182] usb 1-1.1: clear tt 1 (0110) error -71
[25224.164461] usb 1-1.1-port4: cannot reset (err = -71)
[25224.168652] usb 1-1.1-port4: cannot reset (err = -71)
[25224.172908] usb 1-1.1-port4: cannot reset (err = -71)
[25224.177163] usb 1-1.1-port4: cannot reset (err = -71)
[25224.177172] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[25224.181453] usb 1-1.1-port4: cannot disable (err = -71)
[25224.185686] usb 1-1.1-port4: cannot reset (err = -71)
[25224.189956] usb 1-1.1-port4: cannot reset (err = -71)
[25224.194190] usb 1-1.1-port4: cannot reset (err = -71)
[25224.198409] usb 1-1.1-port4: cannot reset (err = -71)
[25224.202676] usb 1-1.1-port4: cannot reset (err = -71)
[25224.202680] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[25224.206907] usb 1-1.1-port4: cannot disable (err = -71)
[25224.211173] usb 1-1.1-port4: cannot reset (err = -71)
[25224.215459] usb 1-1.1-port4: cannot reset (err = -71)
[25224.219682] usb 1-1.1-port4: cannot reset (err = -71)
[25224.223921] usb 1-1.1-port4: cannot reset (err = -71)
[25224.228206] usb 1-1.1-port4: cannot reset (err = -71)
[25224.228211] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[25224.232449] usb 1-1.1-port4: cannot disable (err = -71)
[25224.236796] usb 1-1.1-port4: cannot reset (err = -71)
[25224.241056] usb 1-1.1-port4: cannot reset (err = -71)
[25224.245299] usb 1-1.1-port4: cannot reset (err = -71)
[25224.249543] usb 1-1.1-port4: cannot reset (err = -71)
[25224.253781] usb 1-1.1-port4: cannot reset (err = -71)
[25224.253786] usb 1-1.1-port4: Cannot enable. Maybe the USB cable is bad?
[25224.258085] usb 1-1.1-port4: cannot disable (err = -71)
[25224.262328] usb 1-1.1-port4: cannot disable (err = -71)
[25224.266553] usb 1-1.1-port3: cannot reset (err = -71)
[25224.270798] hub 1-1.1:1.0: hub_ext_port_status failed (err = -71)
[25224.275074] usb 1-1.1-port3: cannot reset (err = -71)
[25224.279330] usb 1-1.1-port3: cannot reset (err = -71)
[25224.283593] usb 1-1.1-port3: cannot reset (err = -71)
[25224.287817] usb 1-1.1-port3: cannot reset (err = -71)
[25224.287821] usb 1-1.1-port3: Cannot enable. Maybe the USB cable is bad?
[25224.292197] usb 1-1.1-port3: cannot disable (err = -71)
[25224.296292] usb 1-1.1-port3: cannot reset (err = -71)
[25224.300577] usb 1-1.1-port3: cannot reset (err = -71)
[25224.304819] usb 1-1.1-port3: cannot reset (err = -71)
[25224.309051] usb 1-1.1-port3: cannot reset (err = -71)
[25225.815311] usb 1-1.1: clear tt 1 (0160) error -71
[25225.819570] usb 1-1.1: clear tt 1 (0170) error -71
[25225.823830] usb 1-1.1-port3: cannot reset (err = -71)
[25225.828103] usb 1-1.1-port3: cannot reset (err = -71)
[25225.832330] usb 1-1.1-port3: cannot reset (err = -71)
[25225.836574] usb 1-1.1-port3: cannot reset (err = -71)
[25225.840824] usb 1-1.1-port3: cannot reset (err = -71)
[25225.840828] usb 1-1.1-port3: Cannot enable. Maybe the USB cable is bad?
[25225.845079] usb 1-1.1-port3: cannot disable (err = -71)
[25226.631992] usb 1-1.1: device not accepting address 24, error -71
$
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