Re: why pae kernel has only 3G memory

2021-10-17 Thread deloptes
lou wrote: > Thanks, i've just installed linux-image-686, result is same you understand that in most cases if you use a 32bit OS with 4GB of memory you may not utilize 1GB, because the overhead of utilizing this memory consumes much of this memory with the registers to overcome the 3GB barrier. S

Re: why pae kernel has only 3G memory

2021-10-16 Thread lou
On 10/16/21 10:32 AM, Stefan Monnier wrote: Any particular reason why you must use pae rather than the standard 32 bit kernel? Hmm... isn't "the standard 32 bit kernel" `linux-image-686-pae` ? At least the `linux-image-686` package seems to describe itself as for use only on those machines wh

Re: why pae kernel has only 3G memory

2021-10-16 Thread Stefan Monnier
> Any particular reason why you must use pae rather than > the standard 32 bit kernel? Hmm... isn't "the standard 32 bit kernel" `linux-image-686-pae` ? At least the `linux-image-686` package seems to describe itself as for use only on those machines where `linux-image-686-pae` doesn't work.

Re: why pae kernel has only 3G memory

2021-10-16 Thread Andrew M.A. Cater
On Fri, Oct 15, 2021 at 10:05:13AM -0500, David Wright wrote: > On Fri 15 Oct 2021 at 07:48:06 (-0400), lou wrote: > > > https://support.hp.com/us-en/product/hp-t5740e-thin-client/4282707/manuals > > > > from hp's QuickSpecs: Note: Minimum of 1GB and a maximum of 4GB* (2 X > > 2GB) can be support

Re: why pae kernel has only 3G memory

2021-10-15 Thread David Wright
On Fri 15 Oct 2021 at 07:48:06 (-0400), lou wrote: > https://support.hp.com/us-en/product/hp-t5740e-thin-client/4282707/manuals > > from hp's QuickSpecs: Note: Minimum of 1GB and a maximum of 4GB* (2 X > 2GB) can be supported (*Up to 1 GB may not be available with 32-bit > operating systems due t

Re: why pae kernel has only 3G memory

2021-10-15 Thread lou
Thank Likonen and piorunz! https://support.hp.com/us-en/product/hp-t5740e-thin-client/4282707/manuals from hp's QuickSpecs: Note: Minimum of 1GB and a maximum of 4GB* (2 X 2GB) can be supported (*Up to 1 GB may not be available with 32-bit operating systems due to system resource requirements.

Re: why pae kernel has only 3G memory

2021-10-15 Thread piorunz
On 15/10/2021 10:21, lou wrote: you are right, i've just tried bullseye, result is same in memtest86+, 2x2G memory are detected though 3G are tested my PC is 32bit, it can use only kernel for i386 address sizes : 32 bits physical, 32 bits virtual power management: Correct me if I am wro

Re: why pae kernel has only 3G memory

2021-10-15 Thread Teemu Likonen
* 2021-10-15 08:57:02+, Andy Smith wrote: > If your CPU capable of running 64-bit then you could just install an > amd64 kernel. What does > > cat /proc/cpuinfo > > say? I suggest using command "lscpu". It gives clearer answer: $ lscpu |head -n2 Architecture:x

Re: why pae kernel has only 3G memory

2021-10-15 Thread lou
On 10/15/21 4:57 AM, Andy Smith wrote: Hello, This is unlikely to fix things unless it's a known bug. Cheers, Andy Thanks! you are right, i've just tried bullseye, result is same in memtest86+, 2x2G memory are detected though 3G are tested my PC is 32bit, it can use only kernel for i386

Re: why pae kernel has only 3G memory

2021-10-15 Thread Andy Smith
Hello, On Fri, Oct 15, 2021 at 04:27:10AM -0400, lou wrote: > i have stretch, it use 3G memory, 1G memory can't be used […] > i think pae kernel can use 4G memory It can be a restriction of your motherboard. Has it ever seen more than 3G in any operating system? If your CPU capable of running

why pae kernel has only 3G memory

2021-10-15 Thread lou
i have stretch, it use 3G memory, 1G memory can't be used top: KiB Mem :  3038696 total,  2221904 free,   400628 used, 416164 buff/cache uname: Linux debian 4.9.0-13-686-pae #1 SMP Debian 4.9.228-1 (2020-07-05) i686 GNU/Linux i think pae kernel can use 4G memory do i have to upgrade to bus