Kernel seems to frequently panic with RIP at do_raw_spin_lock(). I assume this might be vma related since the trace often implicates vma_merge() and friends. Linux version 2.6.38.6-26.rc1.fc14.x86_64 Module Size Used by xfs 700603 5 exportfs 3440 1 xfs p4_clockmod 4486 0 freq_table 3963 1 p4_clockmod speedstep_lib 4847 1 p4_clockmod ipv6 288342 26 iTCO_wdt 11592 0 shpchp 24810 0 iTCO_vendor_support 2634 1 iTCO_wdt serio_raw 4442 0 i2c_i801 9293 0 i5000_edac 8340 0 edac_core 41090 3 i5000_edac i5k_amb 4882 0 ioatdma 45294 9 e1000e 200202 0 ppdev 7868 0 parport_pc 21303 0 parport 31338 2 ppdev,parport_pc microcode 18276 0 dca 5854 1 ioatdma ext2 59952 1 usb_storage 45607 1 uas 7768 0 radeon 696138 1 ttm 55897 1 radeon drm_kms_helper 27729 1 radeon drm 189462 3 radeon,ttm,drm_kms_helper i2c_algo_bit 5062 1 radeon i2c_core 25745 5 i2c_i801,radeon,drm_kms_helper,drm,i2c_algo_bit Screenshots of panic: http://www.mediafire.com/imageview.php?quickkey=hnd1dedna9bed65 http://www.mediafire.com/imageview.php?quickkey=n86366d44i7mlx4 http://www.mediafire.com/imageview.php?quickkey=0sgzfd91dvl3jhl http://www.mediafire.com/imageview.php?quickkey=zwly9x5c4zg28dn I will be glad to provide as much information as I can. Just let me know what is needed. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>