On Wed, Feb 04, 2009 at 03:57:37PM +0100, ext Gary Thomas wrote: > Note: if this is the wrong list, or if there's a better place > to ask these questions, please redirect me. > > I have an OMAP/Zoom1 (3430 LDP). I'm trying to use the > S-Video output, without much success. Today, I grabbed > the latest tree (as least from what I can gather from various > web pages) from git://git.omapzoom.org/repo/omapkernel.git > > When I try to use the TV, the kernel crashes immediately: > Unhandled fault: external abort on non-linefetch (0x1008) at 0xd8050440 I'm guessing that the external abort is caused by the DSS interface clock being disabled. --Imre > Internal error: : 1008 [#1] > Modules linked in: > > CPU: 0 Not tainted (2.6.27.10-omap1-00181-gc9fd795 #1) > PC is at omap2_disp_enable_output_dev+0x30/0x44 > LR is at write_layer_out+0x118/0x220 > pc : [<c0053a84>] lr : [<c018f3d4>] psr: 60000013 > sp : c7963ec8 ip : c7963ed8 fp : c7963ed4 > r10: c7963f70 r9 : c7940e78 r8 : c039c8f0 > r7 : 00000000 r6 : 00000003 r5 : c78626f8 r4 : c03c3c44 > r3 : 00000000 r2 : d8050000 r1 : 00000003 r0 : 00000005 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user > Control: 00c5387f Table: 87320018 DAC: 00000015 > Process echo (pid: 723, stack limit = 0xc79622e0) > > kernel version: Linux version 2.6.27.10-omap1-00181-gc9fd795 > config: omap_ldp_defconfig > > Notes: > * An older kernel (circa 2008-12-01) does not crash. The > TV output is not correct, but at least it doesn't crash. > * How can I turn off the double printk()? All kernel messages > get duplicated and it makes it terribly hard to use. e.g. > > <5>Looking up port of RPC 100003/2 on 192.168.1.100 > Looking up port of RPC 100003/2 on 192.168.1.100 > <5>Looking up port of RPC 100005/1 on 192.168.1.100 > Looking up port of RPC 100005/1 on 192.168.1.100 > VFS: Mounted root (nfs filesystem). > VFS: Mounted root (nfs filesystem). > > Other kernels (PowerPC, etc) don't suffer from this. > * This kernel version is very unstable - it simply quits after > just a few moments of running. I didn't see this with the > older kernel. > > Thanks for any ideas/pointers > > -- > ------------------------------------------------------------ > Gary Thomas | Consulting for the > MLB Associates | Embedded world > ------------------------------------------------------------ > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html