while doing "cat * > file" where * matches about 1000 files with total
length of several MB, I got the following oops:
Jan 18 00:29:33 mandel kernel: Unable to handle kernel paging request at virtual address 47000014
Jan 18 00:29:33 mandel kernel: current->tss.cr3 = 07c79000, `r3 = 07c79000
Jan 18 00:29:33 mandel kernel: *pde = 00000000
Jan 18 00:29:33 mandel kernel: Oops: 0000
Jan 18 00:29:33 mandel kernel: CPU: 0
Jan 18 00:29:33 mandel kernel: EIP: 0010:[<c012524a>]
Jan 18 00:29:33 mandel kernel: EFLAGS: 00010202
Jan 18 00:29:33 mandel kernel: eax: 47000000 ebx: c0358a00 ecx: 00000006 edx: 0000ffe0
Jan 18 00:29:33 mandel kernel: esi: 47000000 edi: 47000000 ebp: c0358a00 esp: c7c99db4
Jan 18 00:29:33 mandel kernel: ds: 0018 es: 0018 ss: 0018
Jan 18 00:29:33 mandel kernel: Process cat (pid: 4736, process nr: 64, stackpage=c7c99000)
Jan 18 00:29:33 mandel kernel: Stack: 00000003 00080303 c011abf2 c0358a00 0000000b 00000006 c011f6f3 00000006
Jan 18 00:29:33 mandel kernel: 00000003 c7c98000 00000400 00000001 c011fee2 00000003 00000000 00000400
Jan 18 00:29:33 mandel kernel: 00000001 00080303 00000003 c01240ff 00000303 0008f65b 00000000 c0125184
Jan 18 00:29:33 mandel kernel: Call Trace: [<c011abf2>] [<c011f6f3>] [<c011fee2>] [<c01240ff>] [<c0125184>] [<c01242e6>] [<c0124576>]
Jan 18 00:29:33 mandel kernel: [<c013a105>] [<c013a765>] [<c013aa0d>] [<c0138cf6>] [<c0138b0c>] [<c011b4f2>] [<c011b5b4>] [<c011b500>]
Jan 18 00:29:33 mandel kernel: [<c0122c96>] [<c0122d78>] [<c0108954>]
Jan 18 00:29:33 mandel kernel: Code: 8b 76 14 83 78 20 00 75 06 f6 40 18 46 74 13 6a 00 e8 3c 01
>>EIP: c012524a <try_to_free_buffers+12/88>
Trace: c011abf2 <shrink_mmap+e2/134>
Trace: c011f6f3 <try_to_free_pages+23/70>
Trace: c011fee2 <__get_free_pages+b2/1d8>
Trace: c01240ff <get_hash_table+1f/60>
Trace: c0125184 <grow_buffers+38/ec>
Trace: c01242e6 <refill_freelist+a/30>
Trace: c0124576 <getblk+202/224>
Trace: c013a105 <ext2_alloc_block+65/144>
Trace: c0122c96 <sys_read+be/dc>
Code: c012524a <try_to_free_buffers+12/88> 00000000 <_EIP>: <===
Code: c012524a <try_to_free_buffers+12/88> 0: 8b 76 14 movl 0x14(%esi),%esi <===
Code: c012524d <try_to_free_buffers+15/88> 3: 83 78 20 00 cmpl $0x0,0x20(%eax)
Code: c0125251 <try_to_free_buffers+19/88> 7: 75 06 jne c0125259 <try_to_free_buffers+21/88>
Code: c0125253 <try_to_free_buffers+1b/88> 9: f6 40 18 46 testb $0x46,0x18(%eax)
Code: c0125257 <try_to_free_buffers+1f/88> d: 74 13 je c012526c <try_to_free_buffers+34/88>
Code: c0125259 <try_to_free_buffers+21/88> f: 6a 00 pushl $0x0
Code: c012525b <try_to_free_buffers+23/88> 11: e8 3c 01 00 00 call c012539c <wakeup_bdflush+0/78>
Mem-info:
Free pages: 26532kB
( Free: 6633 (255 510 765)
1*4kB 790*8kB 375*16kB 180*32kB 68*64kB 32*128kB = 26532kB)
Swap cache: add 9, delete 0, find 0/0
Free swap: 128448kB
32752 pages of RAM
728 reserved pages
7894 pages shared
9 pages swap cached
12 pages in page table cache
Buffer memory: 39876kB
Buffer heads: 39884
Buffer blocks: 39860
CLEAN: 27650 buffers, 21 used (last=42), 0 locked, 0 protected, 0 dirty
LOCKED: 12207 buffers, 42 used (last=12206), 0 locked, 0 protected, 0 dirty
Networking buffers in use : 25
Total network buffer allocations : 2220082
Total failed network buffer allocs : 0
IP fragment buffer size : 0
Uptime about 9 hours. System is a AMD K6-2-380, clocked at 400 (but very
cool), 1 IDE Disk, 2 network cards (VIA-Rhine and ISA NE2000 clone).
Ask me if you need more info.
hjb
-- "Every use of Linux is a proper use of Linux." -- John "Maddog" Hall, Keynote at the Linux Kongress in Cologne- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/