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 Forum index » Advanced Topics » Hardware » Audio
Sound missing issues on Toshiba Satellite C850D [SOLVED]
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Sky Aisling


Joined: 27 Jun 2009
Posts: 1200
Location: Port Townsend, WA. USA
PostPosted: Sat 12 Dec 2015, 19:01    Post subject: Sound missing issues on Toshiba Satellite C850D
Subject description: Pae or Non-Pae dmesg		  
Here's what wiki says about PAE. This machine has an ADM chip.
Any clues here?
https://en.wikipedia.org/wiki/Physical_Address_Extension

Quote:
PAE was first implemented in the Intel Pentium Pro in 1995,[2] although the accompanying chipsets usually lacked support for the required extra address bits.[3]

PAE is supported by Intel Pentium Pro and later Pentium-series processors. The first Pentium M family processors ("Banias") also support PAE, however they do not show the PAE support flag in their CPUID information.[4] It was also available on AMD processors including the AMD Athlon[5] (although the chipsets for these were limited to 4 GB RAM[6]) and later AMD processor models.

When AMD defined their AMD64 architecture as an extension of x86, they defined an enhanced version of PAE[7] to be used while the processor was in 64-bit mode ("long mode"). It supports up to 48-bit virtual addresses,[8](p120) 52-bit physical addresses,[8](p24) and includes NX bit functionality. This version of PAE is the mandatory memory paging model in long mode on x86-64 processors; there is no "non-PAE mode" while in long mode.[9] The documentation for "Intel 64", the Intel version of x86-64, refers to these page table formats as "IA-32e paging" rather than "PAE".[10]


Quote:
Linux
See also: Executable space protection § Linux

The Linux kernel includes full PAE mode support starting with version 2.3.23,[21] enabling access of up to 64 GB of memory on 32-bit machines. A PAE-enabled Linux kernel requires that the CPU also support PAE. The Linux kernel supports PAE as a build option and major distributions provide a PAE kernel either as the default or as an option.

The NX bit feature requires a kernel built with PAE support.[22]

Linux distributions now commonly use a PAE-enabled kernel as the default, a trend that began in 2009.[23] As of 2012 many, including Red Hat Enterprise Linux / CentOS, Ubuntu (and derivatives like Xubuntu and Linux Mint),[24][25][26] have stopped distributing non-PAE kernels, thus making PAE hardware mandatory. Linux distributions which require PAE may refuse to boot on Pentium M family processors because they do not show the PAE support flag in their CPUID information (even though it is supported internally).[4]

Distributions that still provide a non-PAE option, including Debian (and derivatives like LMDE 2 (Linux Mint Debian Edition)[27]), Slackware, and LXLE typically do so with "i386", "i486" or "retro" labels.[28][29]



Here's what dmesg says about the kernel:

root# dmesg
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Initializing cgroup subsys cpuacct
Linux version 3.14.20 (root@puppypc22591) (gcc version 4.6.4 (Ubuntu/Linaro 4.6.4-6ubuntu2) ) #1 SMP Thu Jan 8 13:19:06 GMT 2015
e820: BIOS-provided physical RAM map:
BIOS-e820: [mem 0x0000000000000000-0x000000000009f3ff] usable
BIOS-e820: [mem 0x000000000009f400-0x000000000009ffff] reserved
BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
BIOS-e820: [mem 0x0000000000100000-0x00000000da87efff] usable
BIOS-e820: [mem 0x00000000da87f000-0x00000000db07ffff] reserved
BIOS-e820: [mem 0x00000000db080000-0x00000000df9befff] usable
BIOS-e820: [mem 0x00000000df9bf000-0x00000000dfabefff] reserved
BIOS-e820: [mem 0x00000000dfabf000-0x00000000dfbbefff] ACPI NVS
BIOS-e820: [mem 0x00000000dfbbf000-0x00000000dfbfefff] ACPI data
BIOS-e820: [mem 0x00000000dfbff000-0x00000000dfbfffff] usable
BIOS-e820: [mem 0x00000000dfc00000-0x00000000dfffffff] reserved
BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
BIOS-e820: [mem 0x00000000fec10000-0x00000000fec10fff] reserved
BIOS-e820: [mem 0x00000000fed80000-0x00000000fed80fff] reserved
BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
BIOS-e820: [mem 0x00000000ffc00000-0x00000000ffffffff] reserved
BIOS-e820: [mem 0x0000000100000000-0x0000000106ffffff] usable
BIOS-e820: [mem 0x0000000107000000-0x000000011effffff] reserved
Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
SMBIOS 2.7 present.
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rokytnji

Joined: 20 Jan 2009
Posts: 2287
PostPosted: Sat 12 Dec 2015, 20:12    Post subject:  
Quote:
Here's what I get: Where does it say pae?


Look around flags



Quote:
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc nonstop_tsc extd_apicid aperfmperf pni monitor ssse3 cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch ibs skinit wdt arat hw_pstate npt lbrv svm_lock nrip_save pausefilter
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Sky Aisling


Joined: 27 Jun 2009
Posts: 1200
Location: Port Townsend, WA. USA
PostPosted: Sat 12 Dec 2015, 20:19    Post subject: Sound missing issues on Toshiba Satellite C850D
Subject description: It's a PAE!		  
Good eyes, rokytnji!

So, I'm downloading the pae version of Tahrpup.
I'll try that with rcrsn51's driver update for the wifi connection.
And, see how it does with holding the sound settings.

I am taking .iso from here:
http://distro.ibiblio.org/puppylinux/puppy-tahr/iso/tahrpup%20-6.0-CE/
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Sky Aisling


Joined: 27 Jun 2009
Posts: 1200
Location: Port Townsend, WA. USA
PostPosted: Sun 13 Dec 2015, 16:09    Post subject: Sound missing issues on Toshiba Satellite C850D
Subject description: SOLVED - needed PAE version with driver updates		  
The Toshiba Satellite C850D is now running Tahrpup 602 PAE with rcrsn51's driver updates.
Sound working, wifi working, card reader working.

There is a minor issue with the sound level resetting to 0 upon each reboot (this may be intentional in order to keep machine quiet when in public use?)
There is a minor issue with the card reader icon on desktop staying on after un-mounting and removing the card.

See rcrsn51's post here to locate driver updates:
http://murga-linux.com/puppy/viewtopic.php?p=876489#876489

Thank you kennel mates for all your help. Your skills are much appreciated.

Sky
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rcrsn51


Joined: 05 Sep 2006
Posts: 12089
Location: Stratford, Ontario
PostPosted: Sun 13 Dec 2015, 16:30    Post subject: Re: Sound missing issues on Toshiba Satellite C850D
Subject description: SOLVED - needed PAE version with driver updates		  
Sky Aisling wrote:
wifi working

Excellent. It may be that some bleeding-edge kernels already contain this driver.
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