Dell XPS 13 System Memory Issues (Probably caused by Intel HD3000)

[Zoltan Hoppar]

HI

800 M is a bit rough. What kind of services you have that actively
runs, and stores in mem or tmpfs?
Did you run memtest?
Bios settings?

Zoltan

2012/8/30 Lorenzo Villani <lorenzo at villani.me>:
> Hi there,
>
> I recently bought a Dell XPS 13 and noticed that the amount of memory
> visible to the system is lower than I expected. This machine ships with
> a 4Gb module even though the system "sees" only 3,2Gb.
>
> I'm running Fedora 16 x86_64 so that should not be a 32-bit vs 64-bit
> problem.
>
> However, I heard that the integrated graphics chip might "steal" some
> system memory to use it as video memory, but I'm rapidly running out of
> ideas. Does anyone knows if there's a non dangerous way to reclaim some
> of this memory?
>
> Thanks in advance.
>
>
>
>
> --- System Details ---
>
> [root at aether ~]# cat /etc/redhat-release
> Fedora release 16 (Verne)
>
> [root at aether ~]# uname -m
> x86_64
>
> [root at aether ~]# uname -a
> Linux aether.bitflow.co 3.4.9-2.fc16.x86_64 #1 SMP Thu Aug 23 17:51:29
> UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
>
> [root at aether ~]# cat /proc/meminfo
> MemTotal:        3354320 kB
> MemFree:          250140 kB
> Buffers:           77648 kB
> Cached:          1235060 kB
> SwapCached:            0 kB
> Active:          1719992 kB
> Inactive:        1096492 kB
> Active(anon):    1229236 kB
> Inactive(anon):   581948 kB
> Active(file):     490756 kB
> Inactive(file):   514544 kB
> Unevictable:        3664 kB
> Mlocked:            3664 kB
> SwapTotal:       4883756 kB
> SwapFree:        4883756 kB
> Dirty:               216 kB
> Writeback:             0 kB
> AnonPages:       1507520 kB
> Mapped:           164056 kB
> Shmem:            305120 kB
> Slab:             158236 kB
> SReclaimable:     108232 kB
> SUnreclaim:        50004 kB
> KernelStack:        3776 kB
> PageTables:        49200 kB
> NFS_Unstable:          0 kB
> Bounce:                0 kB
> WritebackTmp:          0 kB
> CommitLimit:     6560916 kB
> Committed_AS:    4319864 kB
> VmallocTotal:   34359738367 kB
> VmallocUsed:      376080 kB
> VmallocChunk:   34359331740 kB
> HardwareCorrupted:     0 kB
> AnonHugePages:    495616 kB
> HugePages_Total:       0
> HugePages_Free:        0
> HugePages_Rsvd:        0
> HugePages_Surp:        0
> Hugepagesize:       2048 kB
> DirectMap4k:       72684 kB
> DirectMap2M:     3416064 kB
>
> [root at aether ~]# cat /proc/cpuinfo
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 42
> model name      : Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz
> stepping        : 7
> microcode       : 0x28
> cpu MHz         : 800.000
> cache size      : 3072 KB
> physical id     : 0
> siblings        : 4
> core id         : 0
> cpu cores       : 2
> apicid          : 0
> initial apicid  : 0
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 13
> wp              : yes
> flags           : fpu 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
> rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology nonstop_tsc
> aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16
> xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave
> avx lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi
> flexpriority ept vpid
> bogomips        : 3192.88
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 36 bits physical, 48 bits virtual
> power management:
>
> [remaining part omitted]
>
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