Messages in this thread |  | | Subject | Re: 2.5.69-mm6: pccard oops while booting | From | Felipe Alfaro Solana <> | Date | 16 May 2003 20:34:58 +0200 |
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On Fri, 2003-05-16 at 15:03, Felipe Alfaro Solana wrote: > On Fri, 2003-05-16 at 01:00, Andrew Morton wrote: > > Felipe Alfaro Solana <felipe_alfaro@linuxmail.org> wrote: > > > > > > The test kernel is > > > a 2.5.69-mm5 with the "i8259-shutdown.patch" reverted, plus the above > > > patch and your previous "verbose" patch. Attached to this message is the > > > new "dmesg" from this patched kernel. > > > > > > As I told Andrew, reverting "make-KOBJ_NAME-match-BUS_ID_SIZE.patch" > > > solves the oops. > > > > The weird thing is that this patch really doesn't do anything apart from > > increasing KOBJ_NAME_LEN from 16 to 20. > > OK, this is what I guessed by playing with 2.5.69-mm6: > > 1. Simply by changing KOBJ_NAME_LEN from 20 to 16 fixes the problem. > This leads me to think there are some parts of the kernel (a driver, to > be more exact) that are corrupting memory or doing something really > nasty that is affecting PCI ID's tables and pci_bus_match() function. > > 2. Disabling or enabling preemptible kernel does not help. > > 3. Now, changing KOBJ_NAME_LEN back to 20, and then disabling support > for the ALSA Yamaha PCI driver (YMFPCI) fixes the problem. I have tried > disabling other drivers, like USB-UHCI, AGPGART, but it doesn't help. > However, disabling YMFPCI solves the problem. So I guess, we've got a > problem at alsa_card_ymfpci_init() function. Note that the YMFPCI was > built-in into the kernel, and not as a module. However, building YMFPCI > as a module still produces an oops. I'll post more information when I > investigate a little more about this. > > Any ideas on what's could be going on here? It's driving me nutts! > > Thanks!
OK, this is the oops caused when trying to modprobe snd-ymfpci on 2.5.69-mm6:
Linux version 2.5.69-mm6 (root@glass.felipe-alfaro.com) (gcc version 3.2.3 20030422 (Red Hat Linux 3.2.3-4)) #25 Fri May 16 15:04:26 CEST 2003 Unable to handle kernel paging request at virtual address 50464d59 printing eip: c01d07bf *pde = 00000000 Oops: 0000 [#1] CPU: 0 EIP: 0060:[<c01d07bf>] Not tainted VLI EFLAGS: 00010202 EIP is at driver_attach+0x3f/0x60 eax: 50464d59 ebx: 50464d59 ecx: 59004943 edx: d08a821e esi: cfdec780 edi: d08aaa48 ebp: c030d100 esp: cfa0bf40 ds: 007b es: 007b ss: 0068 Process modprobe (pid: 152, threadinfo=cfa0a000 task=cfde2690) Stack: cff3884c d08aaa48 c030d14c 00000000 d08aaa76 c01d0a98 d08aaa48 00000009 c02e1830 00000000 c02e1818 cfa0a000 c01d0f1f d08aaa48 00000015 00000017 d0894c4c cfdec8a0 c0192527 d08aaa48 d087f019 d08aaa20 c02e1830 d08b1200 Call Trace: [<d08aaa48>] driver+0x28/0xa0 [snd_ymfpci] [<d08aaa76>] driver+0x56/0xa0 [snd_ymfpci] [<c01d0a98>] bus_add_driver+0xa8/0xc0 [<d08aaa48>] driver+0x28/0xa0 [snd_ymfpci] [<c01d0f1f>] driver_register+0x2f/0x40 [<d08aaa48>] driver+0x28/0xa0 [snd_ymfpci] [<c0192527>] pci_register_driver+0x47/0x60 [<d08aaa48>] driver+0x28/0xa0 [snd_ymfpci] [<d087f019>] +0x19/0x5b [snd_ymfpci] [<d08aaa20>] driver+0x0/0xa0 [snd_ymfpci] [<d08b1200>] +0x0/0xe0 [snd_ymfpci] [<c012eb2c>] sys_init_module+0x12c/0x240 [<d08b1200>] +0x0/0xe0 [snd_ymfpci] [<c0109349>] sysenter_past_esp+0x52/0x71
Code: db 74 32 8b 9a a8 00 00 00 8b 03 0f 18 00 90 8d b2 a8 00 00 00 39 f3 74 1c 8d 76 00 8d 53 f8 8b 8a a4 00 00 00 85 c9 74 13 89 c3 <8b> 00 0f 18 00 90 39 f3 75 e7 83 c4 08 5b 5e 5f c3 89 7c 24 04
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