kernel panic !!!! help !!!!

[makiz]

i have power book g4 15' 1.25 ~THE STORY : my RAM was 512 (2x256) i have change to 1G (2x512) and then i get to many kernel panics i take the 1 512ram out everything is ok with 1 RAM never kernel panic i have change the ram and the some problem ...... why ????? i hate kernel panic !!!!!!
AND THE LOG
panic.log:

Description: Panic (system crashes) log
Size: 2.69 KB
Last Modified: 5/18/05 2:45 AM
Location: /Library/Logs/panic.log
Recent Contents: Sat Apr 30 23:30:23 2005
panic(cpu 0 caller 0x000E42C4): insmntque: vp not in mount vnode list
Latest stack backtrace for cpu 0:
Backtrace:
0x00095564 0x00095A7C 0x00026838 0x000E42C4 0x000E50AC 0x000E54EC 0x000E7948 0x000E7224
0x000E7ACC 0x002201D0 0x00225484 0x00225720 0x000FA574 0x000E150C 0x000E10A0 0x000D2400
0x002A8174 0x000ABA30 0x0A090909
Proceeding back via exception chain:
Exception state (sv=0x2D639500)
PC=0x9001BF00; MSR=0x0200F030; DAR=0x2DE0EF9A; DSISR=0x40000000; LR=0x90B0ABE4; R1=0xBFFFD6F0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC
*********

Wed May 11 12:41:34 2005
panic(cpu 0 caller 0x000E42C4): insmntque: vp not in mount vnode list
Latest stack backtrace for cpu 0:
Backtrace:
0x00095564 0x00095A7C 0x00026838 0x000E42C4 0x000E50AC 0x000E54EC 0x000E7948 0x000E4EE8
0x000EB454 0x000E60C4 0x0026C2F4 0x00278C70 0x002A8174 0x000ABA30 0xCDCCCCCD
Proceeding back via exception chain:
Exception state (sv=0x2D320280)
PC=0x900C2E00; MSR=0x0000D030; DAR=0x901EB3CA; DSISR=0x40000000; LR=0x0000292C; R1=0xBFFFFEA0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC

*********

Thu May 12 15:47:23 2005
panic(cpu 0 caller 0x000E42C4): insmntque: vp not in mount vnode list
Latest stack backtrace for cpu 0:
Backtrace:
0x00095564 0x00095A7C 0x00026838 0x000E42C4 0x000E50AC 0x000E54EC 0x000E7948 0x000E4EE8
0x000EB454 0x000E60C4 0x0026C2F4 0x00278C70 0x002A8174 0x000ABA30 0x01D9FA00
Proceeding back via exception chain:
Exception state (sv=0x2DBEEA00)
PC=0x900C2E00; MSR=0x0000D030; DAR=0x901EB3CA; DSISR=0x40000000; LR=0x0000292C; R1=0xBFFFFEA0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC

*********

Wed May 18 02:45:19 2005
panic(cpu 0 caller 0x000E46E4): insmntque: vp not in mount vnode list
Latest stack backtrace for cpu 0:
Backtrace:
0x00095564 0x00095A7C 0x0002683C 0x000E46E4 0x000E54CC 0x000E590C 0x000E7D68 0x000E7644
0x000E7EEC 0x00220644 0x00239E4C 0x000FAA8C 0x000E8C60 0x000F426C 0x000EC85C 0x000ECC1C
0x002A8604 0x000ABCB0 0x00000000
Proceeding back via exception chain:
Exception state (sv=0x2D882A00)
PC=0x90001F4C; MSR=0x0000D030; DAR=0xE02E7000; DSISR=0x42000000; LR=0x943F1BD4; R1=0xBFFF98D0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.1.0: Tue May 10 18:16:08 PDT 2005; root:xnu-792.1.5.obj~4/RELEASE_PPC

*********

[MrNivit1]

You may have bad RAM chips. My laptop also suffered from occassional panics due to bad RAM, see below:

http://www.macosx.com/forums/showthread.php?t=49654

Good luck!