Mailinglist Archive: opensuse-bugs (4251 mails)

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[Bug 1037967] /proc/meminfo does report only about half of installed physical memory on kaby lake
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 08 May 2017 09:19:20 +0000
  • Message-id: <bug-1037967-21960-iNL0z6ONSr@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1037967
http://bugzilla.opensuse.org/show_bug.cgi?id=1037967#c3

--- Comment #3 from Georg Schukat <georg.schukat@xxxxxxx> ---
yes I have it all.

While preparing the the requested info I could further nail down the issue. It
seems to depend on type of boot. In Legacy/BIOS boot the problem shows with
4.4.66, see below. When the same Leap install is booted in an EFI boot it does
not, see further below.

I have 2 disks in my Laptop, one where TW sits, this is set up as BIOS boot
disk.
The other where Leap 42.3 is installed has an EFI boot partition.

When the boot loader is build on either install I always include foreign OS, so
alternate boots are easy, but one way EFI and the other BIOS.

I need some more time to boot all three variants in EFI and in BIOS mode to
find out whether it is really a kernel version issue or a boot mode one.

Will add another comment here then.

Hope this first set of information is a starting point for you anyhow

---
MemTotal: 17353432 kB
MemFree: 16090380 kB
MemAvailable: 16398808 kB
Buffers: 55732 kB
Cached: 507548 kB
SwapCached: 0 kB
Active: 707284 kB
Inactive: 322276 kB
Active(anon): 467580 kB
Inactive(anon): 7936 kB
Active(file): 239704 kB
Inactive(file): 314340 kB
Unevictable: 32 kB
Mlocked: 32 kB
SwapTotal: 67087036 kB
SwapFree: 67087036 kB
Dirty: 8 kB
Writeback: 0 kB
AnonPages: 466304 kB
Mapped: 277128 kB
Shmem: 9244 kB
Slab: 80488 kB
SReclaimable: 38652 kB
SUnreclaim: 41836 kB
KernelStack: 6672 kB
PageTables: 29052 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 75763752 kB
Committed_AS: 2071892 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
HardwareCorrupted: 0 kB
AnonHugePages: 145408 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 129216 kB
DirectMap2M: 3956736 kB
DirectMap1G: 14680064 kB
Linux version 4.4.66-2.g00cfa4c-default (geeko@buildhost) (gcc version 4.8.5
(SUSE Linux) ) #1 SMP Sat May 6 05:11:09 UTC 2017 (00cfa4c)

----
reboot into same kernel 4.4.66-2 on Leap 42.3 in an EFI boot - issue can not be
found.

MemTotal: 32666996 kB
MemFree: 31434608 kB
MemAvailable: 31617660 kB
Buffers: 55212 kB
Cached: 487528 kB
SwapCached: 0 kB
Active: 694720 kB
Inactive: 304820 kB
Active(anon): 458104 kB
Inactive(anon): 7944 kB
Active(file): 236616 kB
Inactive(file): 296876 kB
Unevictable: 32 kB
Mlocked: 32 kB
SwapTotal: 67087036 kB
SwapFree: 67087036 kB
Dirty: 4 kB
Writeback: 0 kB
AnonPages: 456784 kB
Mapped: 266360 kB
Shmem: 9256 kB
Slab: 80624 kB
SReclaimable: 38556 kB
SUnreclaim: 42068 kB
KernelStack: 6512 kB
PageTables: 25304 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 83420532 kB
Committed_AS: 2121656 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
HardwareCorrupted: 0 kB
AnonHugePages: 110592 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 136052 kB
DirectMap2M: 5873664 kB
DirectMap1G: 27262976 kB

Linux version 4.4.66-2.g00cfa4c-default (geeko@buildhost) (gcc version 4.8.5
(SUSE Linux) ) #1 SMP Sat May 6 05:11:09 UTC 2017 (00cfa4c)

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