Computer freezes after going into sleep mode

My computer freezes after being left idle and I am prompted to restart. I have the screen saver set to view the nature pictures, but that doesn't show. The screen goes blank and then I have to restart. I've read about sleep problems, but not a solution. Have any? Thanks! ~M
Dual 867 G4 Mac OS X (10.4.3)

Hello Dean,
Yes, the restart prompt looks like the kernel panic alert screen. And I did accesss the panic.log and it doesn't mean much to me! Here is what I copied from the two crashes today:
Mon Dec 12 11:19:08 2005
Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000008 PC=0x000000000012C76C
Latest crash info for cpu 0:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
Mon Dec 12 12:44:48 2005
Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000008 PC=0x000000000012C76C
Latest crash info for cpu 0:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
I'll check into Dr. Smoke's FAQ, and see if I can decipher any of it.
Let me know what the above text means to you.
Thanks again~
Michelle
Dual 867 G4 Mac OS X (10.4.3)

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PowerHibernateNever.jpg ‏59 KB

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> Was your question answered? Mark it as an Accepted Solution!
> See a great post? Click on the white star and give it a Kudos!

G4 going into sleep mode every 30 seconds

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