Andrew Morton writes: > > [SNIP] > Disk I/O on my machine froze up during very light work after a few hours, luckily I had a window open on another machine so I could do a simple capture and save the info: kernel BUG at fs/ext3/super.c:1795! invalid operand: 0000 [#1] CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010246 EIP is at ext3_write_super+0x36/0x94 eax: 00000000 ebx: c8834000 ecx: efb5904c edx: efb59000 esi: efb59000 edi: c8834000 ebp: c8835ecc esp: c8835ec0 ds: 007b es: 007b ss: 0068 Process pdflush (pid: 7853, threadinfo=c8834000 task=ed0a5880) Stack: c8835ee4 00000287 efb5904c c8835ee4 c0153148 efb59000 00000077 51eb851f c8835fcc c8835fa4 c0137fd0 c03892fc 007b9f47 007b168f 00000000 00000000 c8835ef4 00000000 00000001 00000000 00000001 00000000 00000053 00000000 Call Trace: [] sync_supers+0xde/0xea [] wb_kupdate+0x68/0x161 [] schedule+0x1a4/0x3ac [] __pdflush+0xdc/0x1d8 [] pdflush+0x0/0x15 [] pdflush+0x11/0x15 [] wb_kupdate+0x0/0x161 [] kernel_thread_helper+0x5/0xb Code: 08 21 e3 8b 03 8b 55 08 8b 48 14 83 c1 01 75 06 83 43 14 01 8b 03 89 48 14 8d 4a 4c ff 4a 4c 0f 88 0f 05 00 00 31 c0 85 c0 75 08 <0f> 0b 03 07 da 53 2c c0 c6 42 15 00 8b 82 5c 01 00 00 c7 44 24 <6>SysRq : Emergency Sync SysRq : Show Memory Mem-info: DMA per-cpu: cpu 0 hot: low 2, high 6, batch 1 cpu 0 cold: low 0, high 2, batch 1 Normal per-cpu: cpu 0 hot: low 32, high 96, batch 16 cpu 0 cold: low 0, high 32, batch 16 HighMem per-cpu: empty Free pages: 69292kB (0kB HighMem) Active:107652 inactive:54012 dirty:96 writeback:0 free:17323 DMA free:9244kB min:128kB low:256kB high:384kB active:792kB inactive:3256kB Normal free:60048kB min:1020kB low:2040kB high:3060kB active:429816kB inactive:212792kB HighMem free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB DMA: 73*4kB 93*8kB 93*16kB 84*32kB 37*64kB 5*128kB 0*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 9244kB Normal: 0*4kB 0*8kB 621*16kB 224*32kB 555*64kB 40*128kB 7*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 60048kB HighMem: empty Swap cache: add 0, delete 0, find 0/0, race 0+0 Free swap: 136040kB 196560 pages of RAM 0 pages of HIGHMEM 2814 reserved pages 181679 pages shared 0 pages swap cached SysRq : Emergency Sync SysRq : HELP : loglevel0-8 reBoot tErm kIll saK showMem powerOff showPc unRaw Sync showTasks Unmount SysRq : HELP : loglevel0-8 reBoot tErm kIll saK showMem powerOff showPc unRaw Sync showTasks Unmount SysRq : Show Regs Pid: 0, comm: swapper EIP: 0060:[] CPU: 0 EIP is at default_idle+0x27/0x2c EFLAGS: 00000246 Not tainted EAX: 00000000 EBX: c0108c69 ECX: c17be080 EDX: c0364000 ESI: c0364000 EDI: c0108c69 EBP: c0365fc4 DS: 007b ES: 007b CR0: 8005003b CR2: 40016000 CR3: 2d622000 CR4: 000006d0 Call Trace: [] cpu_idle+0x31/0x3a [] rest_init+0x0/0x61 The only three things that set my kernel aside fromt he 2.5.65-mm3 patch are these: * Added a quick fix related ip_conntrack_core to make it all compile * Patched in my own DSDT to make ACPI workable * Backed out smalldevfs, as Gentoo doesn't like smalldevfs out of the box