On 10/26/2016 08:32 PM, Catalin Muresan wrote: > 2016-10-26 18:00 GMT+01:00 Adrian Sevcenco <[email protected]>: > >> Salut! Am intilnit o problema ciudata si nu stiu cum sa o procesez : >> >> [root@compute-0-0 ~]# dmidecode -t memory | grep -E 'Size.*MB' >> Size: 1024 MB >> Size: 1024 MB >> Size: 1024 MB >> Size: 1024 MB >> >> [root@compute-0-0 ~]# free -m >> total used free shared buffers cached >> Mem: 7998 1437 6560 0 396 722 >> -/+ buffers/cache: 318 7679 >> Swap: 8191 0 8191 >> >> [root@compute-0-0 ~]# hwloc-ls --no-caches >> Machine (7998MB) >> ..... >> >> [root@compute-0-0 ~]# numastat -m | grep MemTotal >> MemTotal 8190.93 8190.93 >> >> e clar ca memoria e busita .. iar joburi pe masina imi crapa cu >> std::bad_alloc .. >> dar de ce, inclusiv dupa reboot free -m imi arata 8 gb??? >> daca ar arata marimea ce functioneaza as putea sa fac ceva, ar functiona >> swapul, >> si as reduce joburile pe masina ... >> >> Ceva idei in legatura cu conditiile in care pot aparea astfel de >> discrepante? >> > > dmesg | grep 0.000000 > > (cam tot legat de linux care detecteaza memoria ar fi acolo, daca nu, > adauga mai mult, pina la, inclusiv "Memory:"). > > pune ce iese intr-un pastebin sa vedem si noi. http://pastebin.com/za5eKGMk
> in cel mai rau caz poti "rezolva" cu mem= > > mem=nn[KMG] [KNL,BOOT] Force usage of a specific amount of memory > Amount of memory to be used when the kernel is not able > to see the whole system memory or for test. > [X86] Work as limiting max address. Use together > with memmap= to avoid physical address space collisions. > Without memmap= PCI devices could be placed at addresses > belonging to unused RAM. > > sau mai bine (tocmai am aflat si eu ca este, citind documentatia) > > memtest= [KNL,X86,ARM] Enable memtest > Format: <integer> > default : 0 <disable> > Specifies the number of memtest passes to be > performed. Each pass selects another test > pattern from a given set of patterns. Memtest > fills the memory with this pattern, validates > memory contents and reserves bad memory > regions that are detected. > > memtest=2 ar trebui sa se miste repede la boot. > > Spune-ne si noua ce iese mda, momentan dau cu memtester (centos 6.8) si am ajuns aici : [root@compute-0-0 ~]# memtester 7G 1 memtester version 4.2.1 (64-bit) Copyright (C) 2010 Charles Cazabon. Licensed under the GNU General Public License version 2 (only). pagesize is 4096 pagesizemask is 0xfffffffffffff000 want 7168MB (7516192768 bytes) got 7168MB (7516192768 bytes), trying mlock ...locked. Loop 1/1: Stuck Address : ok Random Value : ok Compare XOR : ok Compare SUB : ok Compare MUL : ok Compare DIV : ok Compare OR : ok Compare AND : ok Sequential Increment: ok Solid Bits : ok Block Sequential : testing 108 nu stiu ce sa mai zic ... zilele viitoare cind mai imi fac putin timp incerc cu memtest ... nu stiam de aceasta optiune, multumesc frumos de info! Adrian
_______________________________________________ RLUG mailing list [email protected] http://lists.lug.ro/mailman/listinfo/rlug
