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Date: Sat, 9 Sep 2006 11:04:49 +0200 From: thunder7@...all.nl To: Andrew Morton <akpm@...l.org> Cc: Jurriaan <thunder7@...all.nl>, linux-kernel@...r.kernel.org Subject: Re: 2.6.18-rc6-mm1 From: Andrew Morton <akpm@...l.org> Date: Fri, Sep 08, 2006 at 12:44:11PM -0700 > On Fri, 8 Sep 2006 21:30:41 +0200 > thunder7@...all.nl wrote: > > > From: Andrew Morton <akpm@...l.org> > > 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:[<f8831013>] 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: [<c01039eb>] show_trace_log_lvl+0x15/0x28 [<c0103a8a>] show_stack_log_lvl+0x8c/0x97 [<c0103e48>] show_registers+0x188/0x21c [<c0104085>] die+0x1a9/0x283 [<c0113bb5>] do_page_fault+0x3ed/0x4bf [<c03421df>] error_code+0x3f/0x44 [<f8846af9>] savagefb_probe_i2c_connector+0x18/0x66 [savagefb] [<f884667c>] savagefb_probe+0x484/0x672 [savagefb] [<c01f6722>] pci_device_probe+0x3a/0x61 [<c0269ecb>] really_probe+0x37/0xb0 [<c0269fbc>] driver_probe_device+0x78/0x84 [<c026a06a>] __driver_attach+0x38/0x60 [<c026992a>] bus_for_each_dev+0x42/0x69 [<c0269df7>] driver_attach+0x16/0x18 [<c0269491>] bus_add_driver+0x66/0x179 [<c026a2f7>] driver_register+0x77/0x7c [<c01f68bf>] __pci_register_driver+0x5e/0x7e [<f882d02e>] savagefb_init+0x2e/0x36 [savagefb] [<c0132158>] sys_init_module+0x1274/0x1443 [<c0102dd8>] syscall_call+0x7/0xb ======================= Code: <ff> 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: [<f8831013>] fb_ddc_read+0x13/0x1c4 [fb_ddc] SS:ESP 0068:f7fbed68 Hope this helps, Jurriaan -- "Besides," she added with a shrug, "strategy and tactics are anathema to the Apocalypse." Steven Erikson - Deadhouse Gates Debian (Unstable) GNU/Linux 2.6.18-rc4-mm3 4423 bogomips load 0.31 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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