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Re: Bug: Buster 10.0 Testing 20190617 Image LiveCD Will Not Boot



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Lou,

Always makes sense to rule out variables and not to assume.

OS has been Linux Kernel based since 1999.

I use "dd bs=8192 if=Live.iso of=/dev/USBDrive ; sync" most of
time.   Most meaning sometimes use a "bs=4096" if the
information or math of ISO image size says/suggests so.

The sync is important as there is often lots of image still
buffered in Kernel.  Often takes a few minutes after dd
completes for sync to ensure buffers related to dd are written
to the USBDrive (i.e. /dev/sdb).  In this instance Debian 9.9.0
LiveCD (LXDE) was used via laptop that has had the ongoing
LiveCD boot issues of Debian 9.x I have played the bugs against
each other to be able to boot from the laptop.


John L. Males
Toronto, Ontario
Canada
20 June 2019 20:48


================================================================

2019-06-21 00:35:14.156350816+0000-UTC Time:
1561077314.159613415

21 Jun 00:35:14 ntpdate[4535]: ntpdate 4.2.8p10@1.3728-o Sun
Feb 25 21:22:56 UTC 2018 (1)

21 Jun 00:35:28 ntpdate[4541]: step time server 206.108.0.131
offset -0.006477 sec

Linux 4.9.0-9-amd64 #1 SMP Debian 4.9.168-1 (2019-04-12)

Modified Debian GNU/Linux 9.9 (stretch)
(Alternative to Debian determined, work in progress)

cat /proc/cpuinfo (Selected):

model name	: AMD E-350 Processor

vmstat -s:

     16026156 K total memory
      3770552 K used memory
      9750176 K active memory
      5203816 K inactive memory
       541176 K free memory
       292240 K buffer memory
     11422188 K swap cache
            0 K total swap
            0 K used swap
            0 K free swap
    141947756 non-nice user cpu ticks
     53380973 nice user cpu ticks
    157137363 system cpu ticks
    380106848 idle cpu ticks
      2466874 IO-wait cpu ticks
            0 IRQ cpu ticks
      3458008 softirq cpu ticks
            0 stolen cpu ticks
    289204170 pages paged in
     32476380 pages paged out
            0 pages swapped in
            0 pages swapped out
   2109821021 interrupts
   2325654452 CPU context switches
   1557283473 boot time
    371641245 forks

/proc/vmstat (Selected):

pgpgin 289204170
pgpgout 32476380
pswpin 0
pswpout 0
pgfree 46141268903
pgfault 77571991655
pgmajfault 904109

/proc/meminfo (Selected):

Mlocked:             144 kB
VmallocTotal:   34359738367 kB
VmallocChunk:          0 kB
HugePages_Total:       0

vmstat --partition /dev/sda8 (Swap):

partition was not found

sar -b:

Linux 4.9.0-9-amd64 (debian) 	06/21/2019
_x86_64_	(2 CPU)

12:00:01 AM  pgpgin/s pgpgout/s   fault/s  majflt/s  pgfree/s
pgscank/s pgscand/s pgsteal/s    %vmeff

12:15:01 AM      0.00      0.00  21707.77      0.00
11651.89      0.00      0.00      0.00      0.00 12:25:01
AM      0.00      0.00  22399.86      0.00  12227.66
0.00      0.00      0.00      0.00 12:35:01 AM      0.00
0.00  21827.15      0.00  11505.48      0.00      0.00
0.00      0.00 Average:         0.00      0.00  22141.90
0.00  11927.47      0.00      0.00      0.00      0.00

ps -A:

%CPU  START   TIME  C CLS COMMAND             TIME  NI   PID
POL PRI    SZ   RSS    VSZ  SIZE  MAJFL  MINFL SCH STAT
TIME WCHAN

 0.0 May  8  51:09  0  TS kswapd0         00:51:09   0    35
TS   19     0     0      0     0      0      0   0 S
00:51:09 -
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