| 1 |
Am 21.05.2014 23:37, schrieb Alex Schuster: |
| 2 |
> Hi there! |
| 3 |
> |
| 4 |
> So I installed another 4 GiB RAM into a Gentoo amd64 system that had 4 GiB |
| 5 |
> already. But it still sees only 4 GiB, not 8 GiB: |
| 6 |
> |
| 7 |
> leela ~ # uname -a |
| 8 |
> Linux leela 3.6.11-gentoo #3 SMP Mon Feb 4 15:37:48 CET 2013 x86_64 AMD |
| 9 |
> A6-3500 APU with Radeon(tm) HD Graphics AuthenticAMD GNU/Linux |
| 10 |
> |
| 11 |
> leela ~ # |
| 12 |
> free -m total used free shared buffers cached |
| 13 |
> Mem: 3688 3269 419 0 108 1050 |
| 14 |
> -/+ buffers/cache: 2110 1577 |
| 15 |
> Swap: 2047 54 1993 |
| 16 |
> |
| 17 |
> Huh? Any idea why this is? The BIOS shows the full 8GiB, and lshw finds |
| 18 |
> it. dmidecode shows that 8G should work: |
| 19 |
> |
| 20 |
> leela ~ # dmidecode -t 16 |
| 21 |
> # dmidecode 2.11 |
| 22 |
> SMBIOS 2.7 present. |
| 23 |
> |
| 24 |
> Handle 0x0008, DMI type 16, 23 bytes |
| 25 |
> Physical Memory Array |
| 26 |
> Location: System Board Or Motherboard |
| 27 |
> Use: System Memory |
| 28 |
> Error Correction Type: None |
| 29 |
> Maximum Capacity: 8 GB |
| 30 |
> Error Information Handle: Not Provided |
| 31 |
> Number Of Devices: 2 |
| 32 |
> |
| 33 |
> In case this helps, I uploaded the outputs of dmesg [1], lshw -c memory |
| 34 |
> [2] and full dmidecode output [3]. The dmesg output is somewhat weird |
| 35 |
> though, it has several 'vmalloc: allocation failure: 0 bytes' entries. I |
| 36 |
> suspected those were causing the problem, but I found that I needed to |
| 37 |
> activate CONFIG_KALLSYMS=y, and they are gone. But still only 4 GiB RAM. |
| 38 |
> The system is using an old kernel right now, so I cannot get the current |
| 39 |
> dmesg, sorry for this. |
| 40 |
> |
| 41 |
> Probably related: Since I inserted this 2nd RAM module, wakeup |
| 42 |
> from hibernate-ram does no longer work. |
| 43 |
> |
| 44 |
> Does this ring any bells? I'm out of ideas. Except than pulling out the 4 |
| 45 |
> GB, or trying another mainboard. |
| 46 |
> |
| 47 |
> [1] http://www.wonkology.org/tmp/lshw.txt |
| 48 |
> [2] http://www.wonkology.org/tmp/dmesg.txt |
| 49 |
> [3] http://www.wonkology.org/tmp/dmidecode.txt |
| 50 |
> |
| 51 |
> Wonko |
| 52 |
> |
| 53 |
To be sure, that the new RAM isn't broken, try booting with only the new |
| 54 |
RAM inserted in the 1st slot. If it works, insert the old RAM into the |
| 55 |
2nd slot and see if the problem persists. |
| 56 |
|
| 57 |
Good luck |
| 58 |
Daniel |
| 59 |
|
| 60 |
|
| 61 |
-- |
| 62 |
Get my PGP key at: |
| 63 |
* |
| 64 |
http://keyserver.ubuntu.com:11371/pks/lookup?op=get&search=0x837FB8B5BB9D4887 |
| 65 |
* $ gpg --recv-keys --keyserver keyserver.ubuntu.com 0xBB9D4887 |
Archives