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FromMichael Nelson <>
DateSat, 4 May 1996 06:21:57 -0700 (PDT)
Subject.97 hates me
I've had very good success with almost every kernel in the 1.3 series, but
for some reason .97 really does NOT seem to like me.  Perhaps I have abused
penguins in a previous life or something.

With .97 running (module support enabled, but not using the module daemon),
I get oopses frequently that look like these:

May  3 06:59:46 seahunt kernel: no vm86_info: BAD
May  3 07:01:34 seahunt kernel: general protection: 0244
May  3 07:01:34 seahunt kernel: CPU:    0
May  3 07:01:34 seahunt kernel: EIP:    0010:[ret_from_sys_call+133/144]
May  3 07:01:34 seahunt kernel: EFLAGS: 00010212
May  3 07:01:34 seahunt kernel: eax: 00000000   ebx: 0008d8f1   ecx: 000001d7  
edx: 001c6d18
May  3 07:01:34 seahunt kernel: esi: 001c6634   edi: 00000000   ebp: 000c9000  
esp: 001c65e0
May  3 07:01:34 seahunt kernel: ds: 0018   es: 0018   fs: 002b   gs: 0018   ss:
0018
May  3 07:01:34 seahunt kernel: Process swapper (pid: 0, process nr: 0,
stackpage=001c4654)
May  3 07:01:34 seahunt kernel: Stack: 00000010 00000246 001c2f18 0010a399
00000100 00109284 00000016 001c6634 
May  3 07:01:34 seahunt kernel:        00000000 000c9000 ffffffda 00000018
00000018 00000018 00000018 00000070 
May  3 07:01:34 seahunt kernel:        00108f8b 00000010 00000246 0010910f
00000000 756e6547 0009e000 00101ffc 
May  3 07:01:34 seahunt kernel: Call Trace: [system_call+89/160] [init+0/540]
[start_kernel+375/388] [it_real_fn+0/72] [schedule+543/628] 
May  3 07:01:34 seahunt kernel: Code: cf 8d 76 00 8d b4 26 00 00 00 00 89 e1 51
f7 41 38 00 00 02 
May  3 07:01:34 seahunt kernel: kfree of non-kmalloced memory: 001c6694, next=
00000000, order=0
May  3 07:01:34 seahunt kernel: kfree of non-kmalloced memory: 001c6684, next=
00000000, order=0
May  3 07:01:34 seahunt kernel: kfree of non-kmalloced memory: 001c6ab8, next=
00000000, order=0
May  3 07:01:34 seahunt kernel: idle task may not sleep
May  3 07:01:34 seahunt last message repeated 4 times
May  3 07:02:06 seahunt kernel: no vm86_info: BAD
May  3 07:08:01 seahunt kernel: no vm86_info: BAD
May  3 07:21:03 seahunt kernel: no vm86_info: BAD

May  3 16:18:00 seahunt kernel: general protection: 0204
May  3 16:18:00 seahunt kernel: CPU:    0
May  3 16:18:00 seahunt kernel: EIP:    0010:[ret_from_sys_call+133/144]
May  3 16:18:00 seahunt kernel: EFLAGS: 00010206
May  3 16:18:00 seahunt kernel: eax: 001c6d18   ebx: 00001800   ecx: 001c6d18  
edx: 00ebe810
May  3 16:18:00 seahunt kernel: esi: 00000000   edi: 0000000b   ebp: 001c6180  
esp: 001c6118
May  3 16:18:00 seahunt kernel: ds: 0018   es: 0018   fs: 0000   gs: 0000   ss:
0018
May  3 16:18:00 seahunt kernel: Process swapper (pid: 0, process nr: 0,
stackpage=001c4654)
May  3 16:18:00 seahunt kernel: Stack: 00000010 00000206 00000200 001150ea
00000000 00000014 001c7000 0010a952 
May  3 16:18:00 seahunt kernel:        0000000b 001ad812 00000244 00000000
0000000b 001c6220 00000002 03000000 
May  3 16:18:00 seahunt kernel:        02800000 00000018 0010acf0 001ad8cb
001c6180 00000244 0010acc8 0010a54b 
May  3 16:18:00 seahunt kernel: Call Trace: [do_exit+410/464]
[die_if_kernel+694/704] [<03000000>] [<02800000>] [do_general_protection+40/84]
[do_general_protection+0/84] [error_code+75/96] 
May  3 16:18:00 seahunt kernel:        [ret_from_sys_call+133/144]
[get_dma_list+2/76] [die_if_kernel+694/704] [<03000000>] [<02800000>]
[do_general_protection+40/84] [do_general_protection+0/84] [error_code+75/96] 
May  3 16:18:00 seahunt kernel:        [ret_from_sys_call+133/144]
[do_exit+410/464] [die_if_kernel+694/704] [<03000000>] [<02800000>]
[do_general_protection+40/84] [do_general_protection+0/84] [error_code+75/96] 
May  3 16:18:00 seahunt last message repeated 2 times
May  3 16:18:00 seahunt kernel:        [ret_from_sys_call+133/144]
[exit_notify+206/476] [do_exit+457/464] [die_if_kernel+694/704] [<03000000>]
[<02800000>] [do_general_protection+40/84] [do_general_protection+0/84] 
May  3 16:18:00 seahunt kernel:        [error_code+75/96]
[ret_from_sys_call+133/144] [exit_notify+206/476] [do_exit+457/464]
[die_if_kernel+694/704] [<03000000>] [<02800000>] [do_general_protection+40/84] 
May  3 16:18:00 seahunt kernel:        [do_general_protection+0/84]
[error_code+75/96] [ret_from_sys_call+133/144] [system_call+89/160] [init+0/540]
[start_kernel+375/388] [it_real_fn+0/72] [schedule+543/628] 
May  3 16:18:00 seahunt kernel: Code: cf 8d 76 00 8d b4 26 00 00 00 00 89 e1 51
f7 41 38 00 00 02 
...then the whole system will lock solid, requiring a BRS massage to recover.

This is the stuff that is turned on in .config:

CONFIG_MODULES=y
CONFIG_NET=y
CONFIG_PCI=y
CONFIG_PCI_OPTIMIZE=y
CONFIG_SYSVIPC=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
CONFIG_M586=y
CONFIG_BLK_DEV_FD=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_INET=y
CONFIG_IP_NOSR=y
CONFIG_SKB_LARGE=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_AIC7XXX=y
CONFIG_NETDEVICES=y
CONFIG_PPP=y
CONFIG_MINIX_FS=y
CONFIG_EXT2_FS=y
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_PROC_FS=y
CONFIG_ISO9660_FS=y
CONFIG_SERIAL=y
CONFIG_PRINTER=y
CONFIG_SOUND=y

I tried to use ksymoops on it, but it segfaulted ;-)

With the same .config, the system is completely stable under 1.3.96 and
earlier, but all hell breaks loose with .97.

Michael




--
Michael Nelson                          nelson@seahunt.imat.com
San Francisco, CA


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