Tuukka Toivonen wrote:
> [1.] Summary:
> Oops when modprobing piix (2.4.21, 2.4.20 not tested)
the attached patch fixes the problem. i just recognized that the fix is
already merged into 2.4.21-pre6-ac1.
greetings,
wilfried
>
> [2.] Full description:
> When piix support is compiled as module, and I type
> modprobe piix
> I get immediately kernel oops message. modprobe crashes with
segmentation fault.
>
> [3.] Keywords:
> piix, ide, dma
>
> [4.] Kernel version:
> Linux version 2.4.21
>
> [5.] Output of Oops:
> ksymoops 2.4.5 on i586 2.4.21. Options used
> -V (default)
> -k /proc/ksyms (default)
> -l /proc/modules (default)
> -o /lib/modules/2.4.21/ (default)
> -m /boot/vmlinuz-2.4.21.map (specified)
>
> Jul 5 01:21:01 datazone kernel: Unable to handle kernel paging
request at virtual address 83a52264
> Jul 5 01:21:01 datazone kernel: c01f1e52
> Jul 5 01:21:01 datazone kernel: *pde = 00000000
> Jul 5 01:21:01 datazone kernel: Oops: 0002
> Jul 5 01:21:01 datazone kernel: CPU: 0
> Jul 5 01:21:01 datazone kernel: EIP: 0010:[<c01f1e52>] Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> Jul 5 01:21:01 datazone kernel: EFLAGS: 00010282
> Jul 5 01:21:01 datazone kernel: eax: c3812884 ebx: c1397e46 ecx:
00000cf8 edx: 00000000
> Jul 5 01:21:01 datazone kernel: esi: c023f9e0 edi: c10fc800 ebp:
c1397e48 esp: c1397e30
> Jul 5 01:21:01 datazone kernel: ds: 0018 es: 0018 ss: 0018
> Jul 5 01:21:01 datazone kernel: Process modprobe (pid: 2467,
stackpage=c1397000)
> Jul 5 01:21:01 datazone kernel: Stack: c01788a8 c023f9e0 c023f9e0
c38128a2 c381f000 00058bdf c1397e84 c0178c5a
> Jul 5 01:21:01 datazone kernel: c10fc800 c3812884 c023f9e0
c10fc800 c10fc800 c3812e00 00000000 00000000
> Jul 5 01:21:01 datazone kernel: 00000001 00000000 00000000
e11db874 00000000 c1397ea0 c0178ccd c1397e9c
> Jul 5 01:21:01 datazone kernel: Call Trace: [<c01788a8>]
[<c38128a2>] [<c0178c5a>] [<c3812884>] [<c3812e00>]
> Jul 5 01:21:01 datazone kernel: [<c0178ccd>] [<c3812884>]
[<c011e4be>] [<c3811f18>] [<c3812884>] [<c3811f54>]
> Jul 5 01:21:01 datazone kernel: [<c3812884>] [<c3812c10>]
[<c017c17e>] [<c3812c10>] [<c3812e00>] [<c017c1e7>]
> Jul 5 01:21:01 datazone kernel: [<c3812e00>] [<c3812e00>]
[<c0178d1f>] [<c3812e00>] [<c3812012>] [<c3812e00>]
> Jul 5 01:21:01 datazone kernel: [<c01127f5>] [<c0127fa2>]
[<c3811060>] [<c0106c93>]
> Jul 5 01:21:01 datazone kernel: Code: 30 34 30 30 30 0a 23 64 65 66
69 6e 65 20 4d 41 53 4b 5f 31
>
>
>
>>>EIP; c01f1e52 <ide_get_or_set_dma_base+2/148> <=====
>>
>
>>>eax; c3812884 <[piix]piix_pci_info+90/3c0>
>>>ebx; c1397e46 <_end+11541ba/35bc374>
>>>ecx; 00000cf8 Before first symbol
>>>esi; c023f9e0 <ide_hwifs+0/2c88>
>>>edi; c10fc800 <_end+eb8b74/35bc374>
>>>ebp; c1397e48 <_end+11541bc/35bc374>
>>>esp; c1397e30 <_end+11541a4/35bc374>
>>
>
> Trace; c01788a8 <ide_hwif_setup_dma+48/f0>
> Trace; c38128a2 <[piix]piix_pci_info+ae/3c0>
> Trace; c0178c5a <do_ide_setup_pci_device+222/27c>
> Trace; c3812884 <[piix]piix_pci_info+90/3c0>
> Trace; c3812e00 <[piix]driver+0/3f>
> Trace; c0178ccd <ide_setup_pci_device+19/20>
> Trace; c3812884 <[piix]piix_pci_info+90/3c0>
> Trace; c011e4be <do_anonymous_page+e2/100>
> Trace; c3811f18 <[piix]init_setup_piix+10/14>
> Trace; c3812884 <[piix]piix_pci_info+90/3c0>
> Trace; c3811f54 <[piix]piix_init_one+38/50>
> Trace; c3812884 <[piix]piix_pci_info+90/3c0>
> Trace; c3812c10 <[piix]piix_pci_tbl+54/244>
> Trace; c017c17e <pci_announce_device+42/68>
> Trace; c3812c10 <[piix]piix_pci_tbl+54/244>
> Trace; c3812e00 <[piix]driver+0/3f>
> Trace; c017c1e7 <pci_register_driver+43/60>
> Trace; c3812e00 <[piix]driver+0/3f>
> Trace; c3812e00 <[piix]driver+0/3f>
> Trace; c0178d1f <ide_pci_register_driver+17/5c>
> Trace; c3812e00 <[piix]driver+0/3f>
> Trace; c3812012 <[piix]piix_ide_init+12/18>
> Trace; c3812e00 <[piix]driver+0/3f>
> Trace; c01127f5 <sys_init_module+5a9/664>
> Trace; c0127fa2 <__alloc_pages+3e/14c>
> Trace; c3811060 <[piix]__module_description+0/0>
> Trace; c0106c93 <system_call+33/40>
>
> Code; c01f1e52 <ide_get_or_set_dma_base+2/148>
> 00000000 <_EIP>:
> Code; c01f1e52 <ide_get_or_set_dma_base+2/148> <=====
> 0: 30 34 30 xor %dh,(%eax,%esi,1) <=====
> Code; c01f1e55 <ide_get_or_set_dma_base+5/148>
> 3: 30 30 xor %dh,(%eax)
> Code; c01f1e57 <ide_get_or_set_dma_base+7/148>
> 5: 0a 23 or (%ebx),%ah
> Code; c01f1e59 <ide_get_or_set_dma_base+9/148>
> 7: 64 65 66 69 6e 65 20 imul $0x4d20,%fs:%gs:0x65(%esi),%bp
> Code; c01f1e60 <ide_get_or_set_dma_base+10/148>
> e: 4d
> Code; c01f1e61 <ide_get_or_set_dma_base+11/148>
> f: 41 inc %ecx
> Code; c01f1e62 <ide_get_or_set_dma_base+12/148>
> 10: 53 push %ebx
> Code; c01f1e63 <ide_get_or_set_dma_base+13/148>
> 11: 4b dec %ebx
> Code; c01f1e64 <ide_get_or_set_dma_base+14/148>
> 12: 5f pop %edi
> Code; c01f1e65 <ide_get_or_set_dma_base+15/148>
> 13: 31 00 xor %eax,(%eax)
--- linux/drivers/ide/setup-pci.c.orig 2003-07-06 00:04:06.000000000 +0200
+++ linux/drivers/ide/setup-pci.c 2003-07-06 00:04:12.000000000 +0200
@@ -172,7 +172,7 @@ static int ide_setup_pci_baseregs (struc
* is already in DMA mode we check and enforce IDE simplex rules.
*/
-static unsigned long __init ide_get_or_set_dma_base (ide_hwif_t *hwif)
+static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
{
unsigned long dma_base = 0;
struct pci_dev *dev = hwif->pci_dev;
-
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This archive was generated by hypermail 2b29 : Wed Jul 23 2003 - 22:00:35 EST