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[Bug 620478] Re: xorg crashes randomly with seg fault

 

Running Ubuntu 9.10, and after replacing motherboard, CPU and RAM, this
started happening to me too.

Old setup, ----> no freezez/crashes:

MB: Asus P5W DH Deluxe
CPU: Core 2 Duo E6600
RAM: 4x1 Gb Corsair whatever
Asus nvidia 8800GT card
Ubuntu 9.10, kernel 2.6.31-14
nvidia driver version: 185.18.36

New setup ---> freezes occur:

MB: Asus P6T SE
CPU: Core i7 930
RAM: 6x2Gb Corsair XMS3 1333MHz
Same Asus nvidia 8800GT card
Same ubuntu installation on same HD

Running glxgears is a sure way to reproduce the system freeze: causes
almost instant freeze, every time.

Watching video will cause a freeze after some time, if I have switched desktop with compiz fusion 3D cube desktop before.
Switching CPU to 1 core enables me to run glxgears for some time, but still occasional freeze can happen when for example searching on google and the search-box auto-complete is active.

Syslog after a 1-second 'mini-freeze':
kernel: [11144.963412] NVRM: Xid (0002:00): 6, PE007f
kernel: [11144.965148] NVRM: Xid (0002:00): 7, Ch 0000007f M 00001ffc D ffffffff intr ffffffff
kernel: [11144.966874] NVRM: Xid (0002:00): 26, Ch 0000007f M 00001ffc D ffffffff intr ffffffff
kernel: [11144.968600] NVRM: Xid (0002:00): 4, Ch 00000005 acquireValue 11111111 dmaPut 2004be6c dmaGet 2004be6c

Syslog after a total freeze 25 seconds later:
kernel: [11170.422373] NVRM: Xid (0002:00): 6, PE007f
kernel: [11170.425820] NVRM: Xid (0002:00): 7, Ch 0000007f M 00001ffc D ffffffff intr ffffffff
kernel: [11170.429223] NVRM: Xid (0002:00): 26, Ch 0000007f M 00001ffc D ffffffff intr ffffffff
kernel: [11181.488364] NVRM: Xid (0002:00): 8, Channel 00000005

Tried installing latest driver from nvidia (256.53), glxgears causes
instant freeze here too.

To recap, new MB, CPU, RAM made the freezes start occurring.

-- 
xorg crashes randomly with seg fault
https://bugs.launchpad.net/bugs/620478
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References