Oops at page_referenced

[Flavio Leitner <fbl@conectiva.com.br>]

I update here to bitkeeper of yesterday (2004/10/05) and I got
the oops below.

The rpm is working fine and test program posted before prints lots of
dots only. I'll keep my eye on it.


Linux version 2.6.8.1-xenU (fbl@domain1.localdomain) (gcc version 3.4.2) #1 Wed Oct 6 11:26:53 BRT 2004
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000010000000 (usable)
0MB HIGHMEM available.
256MB LOWMEM available.
On node 0 totalpages: 65536
  DMA zone: 4096 pages, LIFO batch:1
  Normal zone: 61440 pages, LIFO batch:15
  HighMem zone: 0 pages, LIFO batch:1
DMI not present.
Built 1 zonelists
Kernel command line:  ip=dhcp root=/dev/sda1 ro 3 panic=30
Initializing CPU#0
PID hash table entries: 2048 (order 11: 16384 bytes)
Xen reported: 2799.259 MHz processor.
Using tsc for high-res timesource
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 256468k/262144k available (1643k kernel code, 5340k reserved, 399k data, 96k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 5583.66 BogoMIPS
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
CPU: After vendor identify, caps:  bfebfbff 00000000 00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: After all inits, caps:        beebcbf1 00000000 00000000 00000080
CPU: Intel(R) Xeon(TM) CPU 2.80GHz stepping 07
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... disabled
NET: Registered protocol family 16
Initializing Cryptographic API
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as tty
Event-channel device installed.
[XEN] Initialising virtual block device driver
Using anticipatory io scheduler
[XEN] Initialising virtual ethernet driver.
[XEN] Netfront recovered tx=0 rxfree=0
NET: Registered protocol family 2
IP: routing cache hash table of 2048 buckets, 16Kbytes
TCP: Hash tables configured (established 16384 bind 32768)
NET: Registered protocol family 1
NET: Registered protocol family 17
IP-Config: Guessing netmask 255.0.0.0
IP-Config: Complete:
      device=eth0, addr=62.0.0.0, mask=255.0.0.0, gw=255.255.255.255,
     host=62.0.0.0, domain=, nis-domain=(none),
     bootserver=255.255.255.255, rootserver=255.255.255.255, rootpath=
[XEN:vbd_update:drivers/xen/blkfront/blkfront.c:130] >
[XEN:vbd_update:drivers/xen/blkfront/blkfront.c:131] <
[XEN:vbd_update:drivers/xen/blkfront/blkfront.c:130] >
[XEN:vbd_update:drivers/xen/blkfront/blkfront.c:131] <
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 96k freed
  
  ***************************************************************
  ***************************************************************
  ** WARNING: Currently emulating unsupported memory accesses  **
  **          in /lib/tls libraries. The emulation is very     **
  **          slow, and may not work correctly with all        **
  **          programs (e.g., some may 'Segmentation fault').  **
  **          TO ENSURE FULL PERFORMANCE AND CORRECT FUNCTION, **
  **          YOU MUST EXECUTE THE FOLLOWING AS ROOT:          **
  **          mv /lib/tls /lib/tls.disabled                    **
  ***************************************************************
  ***************************************************************
  
Pausing... 5\b\b\b\b\b\b\b\b\b\b\b\bPausing... 4\b\b\b\b\b\b\b\b\b\b\b\bPausing... 3\b\b\b\b\b\b\b\b\b\b\b\bPausing... 2\b\b\b\b\b\b\b\b\b\b\b\bPausing... 1\b\b\b\b\b\b\b\b\b\b\b\bContinuing...

------------[ cut here ]------------
kernel BUG at mm/rmap.c:251!
invalid operand: 0000 [#1]
PREEMPT 
Modules linked in:
CPU:    0
EIP:    0061:[<c014e0b6>]    Not tainted
EFLAGS: 00010246   (2.6.8.1-xenU) 
EIP is at page_referenced+0xe6/0x170
eax: cfef0000   ebx: c101f198   ecx: 00000004   edx: c13729b8
esi: c101f180   edi: c13729b8   ebp: 00000000   esp: cfef1e48
ds: 0069   es: 0069   ss: 0069
Process kswapd0 (pid: 18, threadinfo=cfef0000 task=cfedabd0)
Stack: c1009ba0 ceef1660 cfef1e68 c11c6840 c1195200 c118b4e0 00000001 c11622c0 
       00000001 cfef0000 c02c8f20 00000000 c01428d5 c101f198 c101f180 c02c8f20 
       cfef0000 c01447c5 c101f180 cfef0000 c02c9044 c02c8f3c 00000001 00000020 
Call Trace:
 [<c01428d5>] __pagevec_release+0x25/0x30

 [<c01447c5>] refill_inactive_zone+0x555/0x650

 [<c0144944>] shrink_zone+0x84/0xd0

 [<c0144dc6>] balance_pgdat+0x1e6/0x2a0

 [<c0144f4a>] kswapd+0xca/0xd0

 [<c011b8f0>] autoremove_wake_function+0x0/0x60

 [<c010dda2>] ret_from_fork+0x6/0x14

 [<c011b8f0>] autoremove_wake_function+0x0/0x60

 [<c0144e80>] kswapd+0x0/0xd0

 [<c010f6b5>] kernel_thread_helper+0x5/0x10

Code: 0f 0b fb 00 dc 4b 2a c0 89 f6 8d 5a c8 eb 26 89 5c 24 04 8d 
 <6>note: kswapd0[18] exited with preempt_count 2
------------[ cut here ]------------
kernel BUG at mm/rmap.c:251!
invalid operand: 0000 [#2]
PREEMPT 
Modules linked in:
CPU:    0
EIP:    0061:[<c014e0b6>]    Not tainted
EFLAGS: 00010246   (2.6.8.1-xenU) 
EIP is at page_referenced+0xe6/0x170
eax: cfb70000   ebx: c1018a18   ecx: 00000004   edx: c13729b8
esi: c1018a00   edi: c13729b8   ebp: 00000000   esp: cfb71c74
ds: 0069   es: 0069   ss: 0069
Process cc1plus (pid: 21166, threadinfo=cfb70000 task=c1b21260)
Stack: 00000001 c10a1320 c109f060 c10555e0 c11e5680 c109dde0 00000001 c11e5660 
       00000001 c109ef60 c109c280 c1055360 c1055520 c1018a18 c1018a00 c02c8f20 
       cfb70000 c01447c5 c1018a00 cfb70000 c02c9044 c02c8f3c 00000001 00000020 
Call Trace:
 [<c01447c5>] refill_inactive_zone+0x555/0x650

 [<c0144944>] shrink_zone+0x84/0xd0

 [<c01449e3>] shrink_caches+0x53/0x70

 [<c0144acf>] try_to_free_pages+0xcf/0x1e0

 [<c013c0ab>] __alloc_pages+0x1bb/0x300

 [<c013991b>] generic_file_aio_write_nolock+0x2fb/0xb90

 [<c013bf92>] __alloc_pages+0xa2/0x300

 [<c0148f10>] do_no_page+0x70/0x490

 [<c013a21d>] generic_file_write_nolock+0x6d/0x90

 [<c01264ea>] run_timer_softirq+0x1ea/0x200

 [<c013a346>] generic_file_write+0x56/0x70

 [<c0158c46>] vfs_write+0x116/0x160

 [<c0158d61>] sys_write+0x51/0x80

 [<c010def3>] syscall_call+0x7/0xb

Code: 0f 0b fb 00 dc 4b 2a c0 89 f6 8d 5a c8 eb 26 89 5c 24 04 8d 
 <6>note: cc1plus[21166] exited with preempt_count 2
bad: scheduling while atomic!
 [<c02994d8>] schedule+0x4b8/0x4f0

 [<c0147303>] unmap_page_range+0x53/0x90

 [<c014750c>] unmap_vmas+0x1cc/0x1e0

 [<c014c27c>] exit_mmap+0x7c/0x160

 [<c011bbd2>] mmput+0x62/0x90

 [<c0120351>] do_exit+0x151/0x400

 [<c010b1d0>] do_invalid_op+0x0/0xc0

 [<c010aea8>] die+0x118/0x120

 [<c010b270>] do_invalid_op+0xa0/0xc0

 [<c014e0b6>] page_referenced+0xe6/0x170

 [<c013c29c>] __pagevec_free+0x1c/0x30

 [<c014295d>] __pagevec_release_nonlru+0x7d/0x90

 [<c010e049>] error_code+0x2d/0x38

 [<c014e0b6>] page_referenced+0xe6/0x170

 [<c01447c5>] refill_inactive_zone+0x555/0x650

 [<c0144944>] shrink_zone+0x84/0xd0

 [<c01449e3>] shrink_caches+0x53/0x70

 [<c0144acf>] try_to_free_pages+0xcf/0x1e0

 [<c013c0ab>] __alloc_pages+0x1bb/0x300

 [<c013991b>] generic_file_aio_write_nolock+0x2fb/0xb90

 [<c013bf92>] __alloc_pages+0xa2/0x300

 [<c0148f10>] do_no_page+0x70/0x490

 [<c013a21d>] generic_file_write_nolock+0x6d/0x90

 [<c01264ea>] run_timer_softirq+0x1ea/0x200

 [<c013a346>] generic_file_write+0x56/0x70

 [<c0158c46>] vfs_write+0x116/0x160

 [<c0158d61>] sys_write+0x51/0x80

 [<c010def3>] syscall_call+0x7/0xb

-- 
Flávio Bruno Leitner <fbl@conectiva.com.br>
[ E74B 0BD0 5E05 C385 239E  531C BC17 D670 7FF0 A9E0 ]


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