I am currently running RedHat 5.0 with kernel 2.0.32 on an Intel Pentium
233MMX with 128 MB of RAM, Adaptec 2940U PCI scsi controller, 3com 3c905
PCI NIC, and multiple SCSI and IDE drives. The problem I am having started
after upfrading from RH4.2 to 5.0, but it also was happening when I
upgraded my kernel from 2.0.30 to 2.0.32. When using the keyboard and
monitor attached to the CPU (the "console" in this case), I am having
general protection errors when switching between virtual consoles with the
Alt-Fx keys. It also sometimes happens when running X from the console,
but it all seems related to the VC switching procedures. I have tried to
isolate the problem, but I am just going crazy fighting with it. I have
worked to make sure I have all of the latest RedHat RPM's and libraries as
well. I have included a couple of stack traces from /var/log/messages for
you to check out. I have searched all available resources for the general
protection 1018, but have found nothing. This is a production system, so
it is a fairly critical issue. The only workaround thus far is not to use
the console, but that is not very practical. Please feel free to forward
this to ANYONE who may be of some assistance. Thank you for your time.
The machine sometimes locks hard when this happens, but most of the time
the console just dies. I tried a different video card just for kicks, but
the same problem occurs. I have included 2 for fun. The second of the 2
left the console with a puke green screen filled with ! marks. The rest of
the machine is fine.
Apr 20 17:32:48 spock kernel: general protection: 1018
Apr 20 17:32:48 spock kernel: CPU: 0
Apr 20 17:32:48 spock kernel: EIP: 0010:[ret_from_sys_call+125/136]
Apr 20 17:32:48 spock kernel: EFLAGS: 00010046
Apr 20 17:32:48 spock kernel: eax: 003cc3e6 ebx: 000b8e28 ecx: 000001fc
edx: 00001f20
Apr 20 17:32:48 spock kernel: esi: 003cc3e6 edi: 00000002 ebp: 00000000
esp: 05b0af48
Apr 20 17:32:48 spock kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Apr 20 17:32:48 spock kernel: Process X (pid: 1906, process nr: 44,
stackpage=05b0a000)
Apr 20 17:32:48 spock kernel: Stack: 00001018 0000002b 0000002b fffffffe
001963fb 00000010 00000206 00000006
Apr 20 17:32:48 spock kernel: fffffffe 00000002 001ef514 0018c767
00000000 00000006 00184d14 00000006
Apr 20 17:32:48 spock kernel: 00000006 01d58000 00184e12 00000006
00000002 0018c0cb 00000006 00118013
Apr 20 17:32:48 spock kernel: Call Trace: [get_scrmem+47/144]
[update_screen+99/180] [complete_change_console+80/204]
[change_console+130/136] [console_bh+23/64] [do_bottom_half+59/96]
[handle_bottom_half+11/24]
Apr 20 17:32:48 spock kernel: Code: 07 0f a1 0f a9 83 c4 04 cf 89 f6 89 e1
51 f7 41 38 00 00 02
Apr 20 17:32:48 spock kernel: Aiee, killing interrupt handler
Another for your enjoyment:
Apr 20 18:04:25 spock kernel: general protection: 1018
Apr 20 18:04:25 spock kernel: CPU: 0
Apr 20 18:04:25 spock kernel: EIP: 0010:[ret_from_sys_call+125/136]
Apr 20 18:04:25 spock kernel: EFLAGS: 00010046
Apr 20 18:04:25 spock kernel: eax: 0690ef40 ebx: 0690ef42 ecx: 0000003b
edx: 00000720
Apr 20 18:04:25 spock kernel: esi: 000b8f28 edi: 00000001 ebp: 00000fa0
esp: 001d1a28
Apr 20 18:04:25 spock kernel: ds: 0018 es: 0018 fs: 002b gs: 0018
ss: 0018
Apr 20 18:04:25 spock kernel: Process swapper (pid: 0, process nr: 0,
stackpage=001cfb4c)
Apr 20 18:04:25 spock kernel: Stack: 00001018 0000002b 00000018 fffffffe
001964ad 00000010 00000206 00000001
Apr 20 18:04:25 spock kernel: fffffffe 00000402 001ef514 0018c784
00000001 00000000 00000001 00184d14
Apr 20 18:04:25 spock kernel: 00000001 00000001 00000000 00184e12
00000001 00000002 0018c0cb 00000001
Apr 20 18:04:25 spock kernel: Call Trace: [set_scrmem+81/212]
[update_screen+128/180] [complete_change_console+80/204]
[change_console+130/136] [console_bh+23/64] [do_bottom_half+59/96]
[handle_bottom_half+11/24]
Apr 20 18:04:25 spock kernel: [sys_idle+92/112] [system_call+85/124]
[init+0/864] [start_kernel+453/464]
Apr 20 18:04:25 spock kernel: Code: 07 0f a1 0f a9 83 c4 04 cf 89 f6 89 e1
51 f7 41 38 00 00 02
Apr 20 18:04:25 spock kernel: Aiee, killing interrupt handler
Apr 20 18:04:25 spock kernel: kfree of non-kmalloced memory: 001d1b94,
next= 00000000, order=0
Apr 20 18:04:25 spock kernel: kfree of non-kmalloced memory: 001d1b84,
next= 00000000, order=0
Apr 20 18:04:25 spock kernel: kfree of non-kmalloced memory: 001d2098,
next= 00000000, order=0
Apr 20 18:04:25 spock kernel: idle task may not sleep
Apr 20 18:04:25 spock last message repeated 4 times
Apr 20 18:04:25 spock kerneld: error: exit: Identifier removed
-----------------------------------------------------------------------
W. Bryan Caudle
President
Commonwealth Technical Services, Inc.
Voice: 804-639-5400 Fax: 804-739-7007
http://www.ctsi.net
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