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SubjectRE: I think I found cause of severe data corruption on 2.3.24-ikd -- memory detection
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Okay.  My wetware has been a bit overloaded of late.  You observe from the
listing that you have a reserved space from 3ff0000 to 4000000, which is the
64k just below the 64M boundary (the ACPI memory is available for reclaim.)
mem=0x3ff0000 should give you the most possible memory.


What I don't understand--what I STILL don't understand, is why you need a
command line option at all. The routines to initialize this memory should
work just fine
without any help.

Nathan


-----Original Message-----
From: Pavel Machek [mailto:pavel@suse.cz]
Sent: Saturday, October 30, 1999 6:06 AM
To: Zook, Nathan; linux-kernel@vger.rutgers.edu
Subject: Re: I think I found cause of severe data corruption on
2.3.24-ikd -- memory detection


Hi!

> WHOA!!! Did the system this happened on support ACPI? What was the
memory
> report in head /var/log/dmesg? What are your config options?

(We already talked about that machine. You remember: Toshiba satellite
4030CDT.
But this time I've much better logs.)

I have to boot with mem=63M, otherwise it crashes at memtest. Here are boot
messages:

<4>Linux version 2.3.24 (pavel@bug) (gcc version 2.7.2.3) #389 Fri Oct 29
00:29:44 CEST 1999
<4>e820: 0009fc00 @ 00000000 (usable)
<4>e820: 00000400 @ 0009fc00 (reserved)
<4>e820: 00004000 @ 000e8000 (usable)
<4>e820: 00010000 @ 000f0000 (reserved)
<4>e820: 03ee0000 @ 00100000 (usable)
<4>e820: 00010000 @ 03fe0000 (ACPI data)
<4>e820: 00010000 @ 03ff0000 (reserved)
<4>e820: 00016e00 @ 100a0000 (reserved)
<4>e820: 00000200 @ 100b6e00 type 4
<4>e820: 00049000 @ 100b7000 (reserved)
<4>e820: 00080000 @ fff80000 (reserved)
<4>Initializing CPU#0
<4>Detected 299943970 Hz processor.
<4>Console: colour dummy device 80x25
<4>Calibrating delay loop... 299.01 BogoMIPS
<4>Memory: 60748k/64512k available (0k kernel code, 0k reserved, 0k data, 0k
init, 0k highmem)
<4>kdb version 0.5 by Scott Lurndal. Copyright SGI, All Rights Reserved
<4>Eating pages ....(60740K)
<4>Freeing pages ....(60736K)

My options look like this:

CONFIG_X86=y
CONFIG_ISA=y

CONFIG_EXPERIMENTAL=y

CONFIG_M486=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_NOHIGHMEM=y
CONFIG_MTRR=y

CONFIG_MODULES=y

CONFIG_PCMCIA=y
CONFIG_I82365=y
CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_APM=y
CONFIG_APM_DO_ENABLE=y
CONFIG_APM_DISPLAY_BLANK=y
CONFIG_APM_POWER_OFF=y
CONFIG_APM_IGNORE_MULTIPLE_SUSPEND=y
CONFIG_APM_IGNORE_SUSPEND_BOUNCE=y
CONFIG_APM_ALLOW_INTS=y
...

CONFIG_ACPI is not set.


Pavel
--
I'm really pavel@ucw.cz. Look at http://195.113.31.123/~pavel. Pavel
Hi! I'm a .signature virus! Copy me into your ~/.signature, please!

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