On Wed, Apr 26, 2000 at 12:50:56PM -0700, Jean Tourrilhes wrote:
>
> 2d) If I do some kernel compilation, big ftp or other stuff, I
> can also crash the box without effort. Oops look the same.
Full of hopes, I did upgrade to the latest kernel
(2.3.99-pre6). The kernel seems sligthly better, but it is still
ridiculously easy to crash.
Let say that I have a directory with a few kernel tarballs (in
tar.gz form), or probably anything else big (few dozen MB). One kernel
is not enough, but 2 will do nicely. Add a few more kernels if you
have more RAM or just to make sure...
If I do :
--------
ftp 127.0.0.1
cd kernels
prompt
mget *
--------
I get :
--------------------------------
stack segment: 0000
CPU: 0
EIP: 0010:[kmem_cache_grow+811/1036]
EFLAGS: 00010296
eax: 00000073 ebx: c00edfe0 ecx: 00000000 edx: 0000001d
esi: c11279e0 edi: c00ed060 ebp: ffffffff esp: c3155de8
ds: 0018 es: 0018 ss: 0018
Process wu-ftpd (pid: 201, stackpage=c3155000)
Stack: c11279e8 c11279e0 00000003 00000282 c00ed158 c11279e8 c00ed060 0000001d
00000000 00000202 00000001 00000003 00000060 c0125f8b c11279e0 00000003
c0225f00 00000000 c0225f00 00000400 c012cecd c11279e0 00000003 c0225f00
Call Trace: [kmem_cache_alloc+375/456] [get_unused_buffer_head+57/184] [create_buffers+32/784] [create_empty_buffers+24/112] [block_read_full_page+92/532] [add_to_page_cache_unique+205/316] [ext2_readpage+15/20]
[ext2_get_block+0/1164] [generic_file_readahead+522/728] [do_generic_file_read+644/1244] [generic_file_read+99/128] [file_read_actor+0/136] [sys_read+192/224] [system_call+52/56] [startup_32+43/309]
Code: 89 45 00 8b 6d 00 83 6c 24 1c 01 0f 83 04 ff ff ff c7 45 00
--------------------------------
That's all...
Jean
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