From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre Ossman Subject: Oops when loading ac Date: Tue, 24 Aug 2004 20:19:21 +0200 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <412B86A9.80404@drzeus.cx> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Somewhere between 2.6.7 + acpi_20040715 and 2.6.8.1 (still present in 2.6.9-rc1) there appeared a bug that causes the ac module to crash when loading. I had no problems with the ac module before this. Any ideas on what has been changed and what to do about it? Rgds Pierre From dmesg: Unable to handle kernel paging request at virtual address c0452440 printing eip: c0233162 *pde = 00488027 *pte = 00452000 Oops: 0002 [#1] PREEMPT DEBUG_PAGEALLOC Modules linked in: ac radeon ipv6 xfs CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010246 (2.6.9-rc1) EIP is at acpi_bus_register_driver+0xd4/0x169 eax: c0452440 ebx: e0903b40 ecx: e090336b edx: ffffffed esi: dd468000 edi: e0903c80 ebp: c03cec60 esp: dd469f84 ds: 007b es: 007b ss: 0068 Process insmod (pid: 573, threadinfo=dd468000 task=dd4909f0) Stack: c03ceca0 e0905031 e0903b40 c014c54b c0469884 00000001 e0903c80 4003edfa 0001120e bffffeec 00000004 40010008 00000000 00000000 dd468000 c0106b79 40010008 0002edf2 0807a008 00000000 00000000 bfffcef8 00000080 0000007b Call Trace: [] init_module+0x31/0x52 [ac] [] sys_init_module+0x1ab/0x370 [] sysenter_past_esp+0x52/0x71 Code: 00 00 00 a1 6c 75 3d c0 c7 05 f8 74 3d c0 7c f2 39 c0 c7 05 fc 74 3d c0 bd 01 00 00 89 1d 6c 75 3d c0 c7 03 68 75 3d c0 89 43 04 <89> 18 81 3d e8 74 3d c0 3c 4b 24 1d 74 1c 68 e8 74 3d c0 68 bf <6>note: insmod[573] exited with preempt_count 1 drivers/acpi/scan.c:445: spin_lock(drivers/acpi/scan.c:c03d74e8) already locked by drivers/acpi/scan.c/445 ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285