From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: 2.6.18-rc6-mm1 Date: Sat, 9 Sep 2006 08:31:40 -0700 Message-ID: <20060909083140.adfa878e.akpm@osdl.org> References: <20060908011317.6cb0495a.akpm@osdl.org> <20060908193041.GA18966@amd64.of.nowhere> <20060908124411.aa96fb7b.akpm@osdl.org> <20060909090449.GA16579@amd64.of.nowhere> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1GM4oU-0000fU-A6 for linux-fbdev-devel@lists.sourceforge.net; Sat, 09 Sep 2006 08:32:10 -0700 Received: from smtp.osdl.org ([65.172.181.4]) by mail.sourceforge.net with esmtps (TLSv1:DES-CBC3-SHA:168) (Exim 4.44) id 1GM4oS-0006X8-MF for linux-fbdev-devel@lists.sourceforge.net; Sat, 09 Sep 2006 08:32:10 -0700 In-Reply-To: <20060909090449.GA16579@amd64.of.nowhere> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: Jurriaan Cc: Jean Delvare , "Antonino A. Daplas" , linux-fbdev-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org On Sat, 9 Sep 2006 11:04:49 +0200 thunder7@xs4all.nl wrote: > From: Andrew Morton > Date: Fri, Sep 08, 2006 at 12:44:11PM -0700 > > On Fri, 8 Sep 2006 21:30:41 +0200 > > thunder7@xs4all.nl wrote: > > > > > From: Andrew Morton > > > Date: Fri, Sep 08, 2006 at 01:13:17AM -0700 > > > > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc6/2.6.18-rc6-mm1/ > > > > > > > This throws an oops on my IBM Thinkpad T23 notebook. Some parts scroll > > > off the screen, but the visible stack trace goes like this: > > > > > We'd really need to see that trace, please. netconsole is worth setting > > up, if you have another machine on the LAN. > > > Well, I've learned that built-in framebuffers initialize _before_ the > network stack is up, so that didn't help. Rebuilding savagefb as a > module gave me: > > hub 3-0:1.0: 2 ports detected > savagefb: mapped io at f8980000 > savagefb: probed videoram: 16384k > savagefb: Detected current MCLK value of 71591 kHz > savagefb: 1024x768 TFT LCD panel detected and active > savagefb: Limiting video mode to 1024x768 > savagefb: mapped framebuffer at f8a80000, pbase == e8000000 > BUG: unable to handle kernel NULL pointer dereference at virtual address > 00000000 > printing eip: > f8831013 > *pde = 00000000 > Oops: 0000 [#1] > 4K_STACKS PREEMPT > last sysfs file: /devices/system/cpu/cpu0/cpufreq/scaling_governor > Modules linked in: savagefb fb_ddc cfbimgblt uhci_hcd usbcore > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00010286 (2.6.18-rc6-mm1 #6) > EIP is at fb_ddc_read+0x13/0x1c4 [fb_ddc] > eax: f7faf250 ebx: 00000000 ecx: f7faf244 edx: f7faf244 > esi: 00000000 edi: f7faf008 ebp: f7fbed98 esp: f7fbed68 > ds: 007b es: 007b ss: 0068 > Process modprobe (pid: 1776, ti=f7fbe000 task=f7fbdab0 > task.ti=f7fbe000) > Stack: 00000001 f7faf244 00004988 01000000 f7faf000 f9a6d9e0 f7fbede8 00000000 > f7faf244 f7faf208 f7faf000 f7faf008 f7fbedb0 f8846af9 f7faf250 f7faf208 > f7faf000 f7faf008 f7fbede8 f884667c f7faf000 f7faf6b0 f7fbedd0 c01ebe91 > Call Trace: > [] show_trace_log_lvl+0x15/0x28 > [] show_stack_log_lvl+0x8c/0x97 > [] show_registers+0x188/0x21c > [] die+0x1a9/0x283 > [] do_page_fault+0x3ed/0x4bf > [] error_code+0x3f/0x44 > [] savagefb_probe_i2c_connector+0x18/0x66 [savagefb] > [] savagefb_probe+0x484/0x672 [savagefb] > [] pci_device_probe+0x3a/0x61 > [] really_probe+0x37/0xb0 > [] driver_probe_device+0x78/0x84 > [] __driver_attach+0x38/0x60 > [] bus_for_each_dev+0x42/0x69 > [] driver_attach+0x16/0x18 > [] bus_add_driver+0x66/0x179 > [] driver_register+0x77/0x7c > [] __pci_register_driver+0x5e/0x7e > [] savagefb_init+0x2e/0x36 [savagefb] > [] sys_init_module+0x1274/0x1443 > [] syscall_call+0x7/0xb > ======================= > Code: 33 ff 53 08 6a 00 ff 33 ff 53 08 c7 45 d4 00 00 00 00 83 c4 10 6a 00 31 ff ff 33 ff 53 04 6a > EIP: [] fb_ddc_read+0x13/0x1c4 [fb_ddc] SS:ESP 0068:f7fbed68 > > Hope this helps, Does, thanks. I guess adapter->algo_data is NULL. savagefb-use-generic-ddc-reading.patch, perhaps... ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642