Hi,
On 21/02/06, Ingo Molnar <[email protected]> wrote:
> i have released the 2.6.15-rt17 tree, which can be downloaded from the
> usual place:
[snip]
> to build a 2.6.15-rt17 tree, the following patches should be applied:
>
> http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.15.tar.bz2
> http://redhat.com/~mingo/realtime-preempt/patch-2.6.15-rt17
>
> Ingo
I have noticed some bugs
----------------------------->
| new stack-footprint maximum: swapper/0, 788 bytes (out of 4044 bytes).
------------|
{ 24} [<c0135e7d>] debug_stackoverflow+0x80/0xb2
{ 28} [<c01364e9>] __mcount+0x3b/0xb2
{ 20} [<c010ebd8>] mcount+0x14/0x18
{ 124} [<c01dc5cf>] number+0xe/0x204
{ 76} [<c01dcbc3>] vsnprintf+0x3fe/0x438
{ 28} [<c01dcc18>] vscnprintf+0x1b/0x2b
{ 128} [<c011bd04>] vprintk+0x7a/0x23d
{ 20} [<c011bc88>] printk+0x18/0x1a
{ 172} [<c010ec2a>] MP_processor_info+0x4a/0x1b4
{ 36} [<c010ee2e>] mp_register_lapic+0x9a/0xa0
{ 24} [<c0482d5e>] acpi_parse_lapic+0x45/0x56
{ 28} [<c048dda6>] acpi_table_parse_madt_family+0xb0/0x100
{ 28} [<c048de10>] acpi_table_parse_madt+0x1a/0x1c
{ 32} [<c048312a>] acpi_parse_madt_lapic_entries+0x49/0x9a
{ 8} [<c048327d>] acpi_process_madt+0x23/0xb3
{ 24} [<c0483540>] acpi_boot_init+0x3c/0x4c
{ 20} [<c04805d4>] setup_arch+0x1af/0x1ed
{ 24} [<c047c72f>] start_kernel+0x30/0x19a
----------------------------->
----------------------------->
| new stack-footprint maximum: rcS/332, 2224 bytes (out of 4044 bytes).
| new stack-footprint maximum: rcS/332, 2224 bytes (out of 4044 bytes).
------------|
------------|
{ 24} { 24} [<c0135e7d>] [<c0135e7d>]
debug_stackoverflow+0x80/0xb2debug_stackoverflow+0x80/0xb2
{ 28} { 28} [<c01364e9>] [<c01364e9>] __mcount+0x3b/0xb2__mcount+0x3b/0xb2
{ 20} { 20} [<c010ebd8>] [<c010ebd8>] mcount+0x14/0x18mcount+0x14/0x18
{ 12} { 12} [<c02c3404>] [<c02c3404>]
_raw_spin_lock+0x9/0x26_raw_spin_lock+0x9/0x26
{ 16} { 16} [<c02c2a18>] [<c02c2a18>]
__lock_text_start+0x20/0x55__lock_text_start+0x20/0x55
{ 32} { 32} [<c015ee47>] [<c015ee47>]
kmem_cache_alloc+0x50/0xb8kmem_cache_alloc+0x50/0xb8
{ 16} { 16} [<c0148603>] [<c0148603>]
mempool_alloc_slab+0x13/0x15mempool_alloc_slab+0x13/0x15
{ 52} { 52} [<c01484e3>] [<c01484e3>]
mempool_alloc+0x3f/0xdamempool_alloc+0x3f/0xda
{ 24} { 24} [<c01d815c>] [<c01d815c>]
as_set_request+0x21/0x76as_set_request+0x21/0x76
{ 24} { 24} [<c01cfea3>] [<c01cfea3>]
elv_set_request+0x24/0x34elv_set_request+0x24/0x34
{ 44} { 44} [<c01d21b9>] get_request+0x173/0x279
{ 60} [<c01d22de>] get_request_wait+0x1f/0xd2
{ 76} [<c01d2eeb>] __make_request+0x2c2/0x42d[<c01d21b9>]
{ 60} get_request+0x173/0x279[<c01d31e0>]
generic_make_request+0x108/0x11a{ 60}
[<c01d22de>] { 60} get_request_wait+0x1f/0xd2[<c01d32cb>]
submit_bio+0xd9/0xe2{ 76}
[<c01d2eeb>] { 36} __make_request+0x2c2/0x42d[<c0166a92>]
submit_bh+0x10f/0x131{ 60}
[<c01d31e0>] { 20} generic_make_request+0x108/0x11a[<c0164a80>]
__bread_slow+0x51/0x8d{ 60}
[<c01d32cb>] { 12} submit_bio+0xd9/0xe2
[<c0164d32>] { 36} __bread+0x2b/0x32[<c0166a92>]
submit_bh+0x10f/0x131{ 48}
[<c019bc1b>] { 20} ext3_get_branch+0x6a/0xea[<c0164a80>]
__bread_slow+0x51/0x8d{ 120}
[<c019c136>] { 12} ext3_get_block_handle+0xab/0x289[<c0164d32>]
__bread+0x2b/0x32{ 40}
[<c019c389>] { 48} ext3_get_block+0x75/0x7c[<c019bc1b>]
ext3_get_branch+0x6a/0xea{ 328}
[<c01834ca>] { 120} do_mpage_readpage+0x14d/0x383[<c019c136>]
ext3_get_block_handle+0xab/0x289{ 84}
[<c0183779>] { 40} mpage_readpages+0x79/0xf4[<c019c389>]
ext3_get_block+0x75/0x7c{ 24}
[<c019d0c4>] { 328} ext3_readpages+0x1b/0x1d[<c01834ca>]
do_mpage_readpage+0x14d/0x383{ 76}
[<c014bb7a>] { 84} read_pages+0x2a/0xcd[<c0183779>]
mpage_readpages+0x79/0xf4{ 56}
{ 24} [<c019d0c4>] [<c014bd6d>]
ext3_readpages+0x1b/0x1d__do_page_cache_readahead+0x150/0x185
{ 76} { 28} [<c014bb7a>] [<c014be56>]
read_pages+0x2a/0xcddo_page_cache_readahead+0x40/0x4c
{ 56} { 60} [<c014bd6d>] [<c0146943>]
__do_page_cache_readahead+0x150/0x185filemap_nopage+0x148/0x2e8
{ 28} { 60} [<c014be56>] [<c0151def>]
do_page_cache_readahead+0x40/0x4cdo_no_page+0x98/0x2a7
{ 60} { 48} [<c0146943>] [<c015212f>]
filemap_nopage+0x148/0x2e8__handle_mm_fault+0xc5/0x17d
{ 60} { 76} [<c0151def>] [<c02c4576>]
do_no_page+0x98/0x2a7do_page_fault+0x16b/0x494
{ 48} { 80} [<c015212f>] [<c01037df>]
__handle_mm_fault+0xc5/0x17derror_code+0x4f/0x54
{ 76} { 16} [<c02c4576>] [<c0188529>]
do_page_fault+0x16b/0x494padzero+0x23/0x34
{ 80} { 140} [<c01037df>] [<c0189484>]
error_code+0x4f/0x54load_elf_binary+0x752/0xa9f
{ 16} { 40} [<c0188529>] [<c016cd86>]
padzero+0x23/0x34search_binary_handler+0xcc/0x299
{ 140} { 164} [<c0189484>] [<c0188461>]
load_elf_binary+0x752/0xa9fload_script+0x195/0x1a8
{ 40} { 40} [<c016cd86>] [<c016cd86>]
search_binary_handler+0xcc/0x299search_binary_handler+0xcc/0x299
{ 164} { 32} [<c0188461>] [<c016d0c4>]
load_script+0x195/0x1a8do_execve+0x171/0x21c
{ 40} { 36} [<c016cd86>] [<c01019da>]
search_binary_handler+0xcc/0x299sys_execve+0x2f/0x74
{ 32} {=2212} [<c016d0c4>] [<c0102c7e>]
do_execve+0x171/0x21csyscall_call+0x7/0xb
{ 36} <---------------------------
[<c01019da>] sys_execve+0x2f/0x74
{=2212} [<c0102c7e>] syscall_call+0x7/0xb
<---------------------------
Here is config http://www.stardust.webpages.pl/files/rt/2.6.15-rt17/rt-config
Here is dmesg http://www.stardust.webpages.pl/files/rt/2.6.15-rt17/rt-dmesg
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)
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