> What does dmesg say?
for example this (see attachment) is the result
of "startkde" command.
> ACPI is notorious for being mis-implemented by the hardware
> manufacturers, kernel developers can't really do anything about that,
> except blacklist the worst cases, and work around the better ones.
I understand, but the boot option "acpi=off" disables both ACPI _and_ SMP,
so we don't know exactly what's the right problem.
I will try to compile the kernel to be uniprocessor with ACPI enabled
and I'll let you know. But I have to get some sleep now :)
Tomas
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
00000000
*pde = 00000000
Oops: 0000 [#1]
SMP
Modules linked in: ipv6 snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_seq_device snd_pcm_oss snd_mixer_oss ohci_hcd intel_agp uhci_hcd ehci_hcd
shpchp i8xx_tco i2c_i801 i2c_core snd_intel8x0 snd_ac97_codec snd_ac97_bus
snd_pcm snd_timer snd soundcore snd_page_alloc eepro100 mii pcmcia yenta_socket
rsrc_nonstatic pcmcia_core nls_utf8 agpgart psmouse nls_iso8859_2 nls_iso8859_1
nls_cp437 unionfs squashfs
CPU: 1
EIP: 0060:[<00000000>] Not tainted VLI
EFLAGS: 00210083 (2.6.15)
EIP is at _stext+0x3feffd40/0x23
eax: f71fdf9c ebx: 00000001 ecx: 00000001 edx: f71fdfa8
esi: 0000007e edi: f7da076c ebp: f5c11888 esp: f5c11864
ds: 007b es: 007b ss: 0068
Process startkde (pid: 6540, threadinfo=f5c10000 task=f700d030)
Stack: c0116454 f71fdf9c 00000003 00000000 00000000 1b160000 f7da076c 00000000
00000001 f5c118b8 c0116497 f7da076c 00000003 00000001 00000000 00000000
00200286 00000003 f7da0640 ffffffff f6c9e700 f6c9e700 c028cc28 00000000
Call Trace:
[<c0116454>] __wake_up_common+0x2f/0x4b
[<c0116497>] __wake_up+0x27/0x3b
[<c028cc28>] __up+0x14/0x16
[<c04915c3>] __up_wakeup+0x7/0xc
[<c02f52cb>] .text.lock.loop+0x25/0x11a
[<c02815b6>] generic_make_request+0xf2/0x104
[<c0133441>] find_get_page+0x1a/0x3b
[<c014e086>] bh_lru_install+0xa8/0xb1
[<c0281668>] submit_bio+0xa0/0xa8
[<c01501ef>] bio_alloc_bioset+0x106/0x165
[<c014fb91>] submit_bh+0x131/0x153
[<c014fc29>] ll_rw_block+0x76/0x8d
[<f8ce0373>] squashfs_read_data+0x1ff/0x3da [squashfs]
[<c0136d35>] buffered_rmqueue+0x148/0x1d0
[<c0136ec0>] get_page_from_freelist+0x6c/0x84
[<c0136f20>] __alloc_pages+0x48/0x25a
[<c013987e>] kmem_getpages+0x6b/0x84
[<c01363f0>] bad_range+0x23/0x31
[<c0136845>] prep_new_page+0x5b/0x63
[<f8ce0b92>] get_cached_fragment+0x189/0x215 [squashfs]
[<f8ce3880>] squashfs_readpage+0x1fd/0x4b1 [squashfs]
[<c0136f20>] __alloc_pages+0x48/0x25a
[<c013a28c>] cache_init_objs+0x2c/0x4e
[<c013a3ce>] cache_grow+0xc0/0x114
[<c013a3e8>] cache_grow+0xda/0x114
[<c013a57c>] cache_alloc_refill+0x15a/0x19b
[<c01363f0>] bad_range+0x23/0x31
[<c01368e8>] __rmqueue+0x9b/0xe3
[<c028be7f>] radix_tree_node_alloc+0x13/0x4e
[<c028c03e>] radix_tree_insert+0x63/0xf0
[<c013320f>] add_to_page_cache+0x36/0x9e
[<c0138f7a>] read_pages+0x88/0xc7
[<c0136ec0>] get_page_from_freelist+0x6c/0x84
[<c0136f20>] __alloc_pages+0x48/0x25a
[<c01390c9>] __do_page_cache_readahead+0x110/0x130
[<c01391e3>] blockable_page_cache_readahead+0x46/0x96
[<c0139341>] page_cache_readahead+0x77/0x10c
[<c0133804>] do_generic_mapping_read+0x124/0x3e1
[<f8e99dbc>] unionfs_d_revalidate_wrap+0x1c/0x30 [unionfs]
[<c0133d20>] __generic_file_aio_read+0x19a/0x1cc
[<c0133ac1>] file_read_actor+0x0/0xc5
[<c0133e44>] generic_file_read+0xa6/0xbf
[<c014b48c>] __dentry_open+0xea/0x1a4
[<c012a43a>] autoremove_wake_function+0x0/0x3a
[<f8e9a080>] unionfs_read+0x70/0xd0 [unionfs]
[<c014bfb7>] vfs_read+0x89/0x11f
[<c0154a81>] kernel_read+0x38/0x41
[<c0155491>] prepare_binprm+0xc0/0xcb
[<c0155842>] do_execve+0xed/0x1d4
[<c010164d>] sys_execve+0x2c/0x72
[<c0102779>] syscall_call+0x7/0xb
Code: Bad EIP value.
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