Not seeing a lot of Sophos response on our long running thread so starting a new discussion.
When 16.05.02 MR-2 was released it added a kernel option of mem=6G to the kernel options.
If you read the thread linked above we have shown that many of us were seeing all the memory before the mem=6G limit.
I know the intention of mem=6G was to enforce the 6GB limit of the home license, but at least on some hardware it is not working as intended.
Rolling back to MR-1 has no impact as the mem=6G remains in the kernel boot options. See paste of syslog messages below
Given it's impossible to buy a 6GB dimm, for those with one dimm slot. Maybe the limit should be 8GB? I have two 4G dimms and could maybe swap one for a 2G, but i could end up with the same exact issue seeing much less than 6G.
With MR-2 and mem=6G it only shows about 3.8G on a zotac CI323 nano
SFVH_SO01_SFOS 16.05.2 MR-2# free -m total used free shared buffersMem: 3954008 3528276 425732 0 162064-/+ buffers: 3366212 587796Swap: 1976476 27680 1948796
NOTE: Reposting the syslog.log Memory and kernel boot options here from the original discussion that i think proves it was the mem=6G, as the MR-2 kernel BEFORE the mem=6G saw all 8G.
The memory capacity transition is between the 14:42:55 boot messages and the 14:44:07 ones. All memory has been tested, other linux distros see 8G there is nothing wrong with my hardware other than maybe not being compatible with mem=6G limitation. There is also a rollback to MR-1 in there, but mem=6G line is still present so still only booted with <4GB
Mar 8 20:05:28 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_1139 zd=/dev/sda ro ro quiet console=tty0 console=ttyS0,38400n8 ZD=80 SM=0Mar 8 20:05:28 (none) user.warn kernel: [ 0.000000] Memory: 8075208K/8296108K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 220900K reserved)Mar 8 20:23:45 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_1139 zd=/dev/sda ro ro quiet console=tty0 console=ttyS0,38400n8 ZD=80 SM=0Mar 8 20:23:45 (none) user.warn kernel: [ 0.000000] Memory: 8075208K/8296108K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 220900K reserved)Mar 8 14:29:43 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_1139 zd=/dev/sda ro ro quiet console=tty0 console=ttyS0,38400n8 ZD=80 SM=0Mar 8 14:29:43 (none) user.warn kernel: [ 0.000000] Memory: 8075208K/8296108K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 220900K reserved)Mar 8 14:40:16 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_2160 zd=/dev/sda ro ro quiet console=tty0 console=ttyS0,38400n8 ZD=80 SM=0Mar 8 14:40:16 (none) user.warn kernel: [ 0.000000] Memory: 8075208K/8296108K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 220900K reserved)Mar 8 14:42:55 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_2160 zd=/dev/sda ro ro quiet console=tty0 console=ttyS0,38400n8 ZD=80 SM=0Mar 8 14:42:55 (none) user.warn kernel: [ 0.000000] Memory: 8075208K/8296108K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 220900K reserved)Mar 8 14:44:07 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_2160 console=tty0 console=ttyS0,38400n8 quiet maxcpus=4 mem=6G ZD=80 SM=0Mar 8 14:44:07 (none) user.warn kernel: [ 0.000000] Memory: 3952648K/4101804K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 149156K reserved)Mar 8 17:35:56 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_2160 console=tty0 console=ttyS0,38400n8 quiet maxcpus=4 mem=6G ZD=80 SM=0Mar 8 17:35:56 (none) user.warn kernel: [ 0.000000] Memory: 3952648K/4101804K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 149156K reserved)Mar 8 17:38:43 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_2160 console=tty0 console=ttyS0,38400n8 quiet maxcpus=4 mem=6G ZD=80 SM=0Mar 8 17:38:43 (none) user.warn kernel: [ 0.000000] Memory: 3952648K/4101804K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 149156K reserved)Mar 8 20:02:51 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_2160 console=tty0 console=ttyS0,38400n8 quiet maxcpus=4 mem=6G ZD=80 SM=0Mar 8 20:02:51 (none) user.warn kernel: [ 0.000000] Memory: 3952648K/4101804K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 149156K reserved)Mar 8 20:08:18 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_1139 console=tty0 console=ttyS0,38400n8 quiet maxcpus=4 mem=6G ZD=80 SM=0Mar 8 20:08:18 (none) user.warn kernel: [ 0.000000] Memory: 3952648K/4101804K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 149156K reserved)Mar 8 20:12:43 (none) user.info kernel: [ 0.000000] Command line: auto BOOT_IMAGE=16_05_2160 console=tty0 console=ttyS0,38400n8 quiet maxcpus=4 mem=6G ZD=80 SM=0Mar 8 20:12:44 (none) user.warn kernel: [ 0.000000] Memory: 3952648K/4101804K available (5864K kernel code, 812K rwdata, 2152K rodata, 1336K init, 564K bss, 149156K reserved)
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