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Date: Thu, 25 Feb 2010 16:36:23 +0530 From: "Chatterjee, Amit" <amit.chatterjee@...com> To: LKML <linux-kernel@...r.kernel.org>, rt-users <linux-rt-users@...r.kernel.org> Subject: RE: 2.6.33-rc8-rt1 on Beagle Migrated to 2.6.33-rc8-rt2 but still am facing the same issue. Regards, Amit -----Original Message----- From: linux-rt-users-owner@...r.kernel.org [mailto:linux-rt-users-owner@...r.kernel.org] On Behalf Of Chatterjee, Amit Sent: Wednesday, February 24, 2010 5:50 PM To: LKML; rt-users Subject: 2.6.33-rc8-rt1 on Beagle Hi, I am facing NULL pointer deference error with beagle board. The bootargs used are - setenv bootargs 'console=ttyS2,115200n8 root=/dev/mmcblk0p2 rootwait rootfstype=ext3 omapfb.mode=dvi:800x600MR-24@60 omapdss.def_disp=dvi omapfb.vram=0:8M,1:2M,2:4M mem=216M' setenv bootcmd 'mmc init;fatload mmc 0 0x80200000 uImage;bootm 0x80200000' The crash log is as follows - Waiting for root device /dev/mmcblk0p2... Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 805 [#1] PREEMPT last sysfs file: Modules linked in: CPU: 0 Not tainted (2.6.33-rc8-rt1 #3) PC is at rt_spin_lock_slowlock+0x64/0x220 LR is at rt_spin_lock_slowlock+0x24/0x220 pc : [<c029f85c>] lr : [<c029f81c>] psr: 60000093 sp : cd1a1ed8 ip : cd1a1f08 fp : 00000053 r10: cd3bc664 r9 : c039c8c4 r8 : cd3bc400 r7 : cd1a0000 r6 : cd3bc664 r5 : 60000013 r4 : cd3bc664 r3 : 00000000 r2 : cd3fb480 r1 : 00000000 r0 : cd1a1ed8 Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 10c5387d Table: 80004019 DAC: 00000017 Process irq/83-mmc0 (pid: 355, stack limit = 0xcd1a02e8) Stack: (0xcd1a1ed8 to 0xcd1a2000) 1ec0: 00000001 00000006 1ee0: cd070040 c0397f48 00000001 cd3fb480 ffffffff 00000002 cd3bc664 60000013 1f00: 00000000 cd1a0000 00000000 c029f9f0 00000000 cd3bc600 cd0c3ef4 cd3bc664 1f20: 00000000 cd3bc400 cd3bc664 c0213850 cd0c2000 cd0c201c cd3fb480 00000017 1f40: 00000000 cd3bc600 00000000 00018000 00000001 00000000 cd3bc664 c020bb94 1f60: cd0c3f24 c02145fc c039c880 cd3d07c0 cd1a0000 cd3d07e4 08000000 c039c8c4 1f80: c039c8dc c00768e8 cd3d07c0 00000032 cd1a1f88 cd021e58 cd1a1fbc c0076828 1fa0: cd3d07c0 00000000 00000000 00000000 00000000 c0060ae8 00000000 00000000 1fc0: cd1a1fc0 cd1a1fc0 cd1a1fc8 cd1a1fc8 00000000 00000000 cd1a1fd8 cd1a1fd8 1fe0: 00000000 00000000 00000000 00000000 00000000 c0028ec4 107fcd00 0a33ef94 [<c029f85c>] (rt_spin_lock_slowlock+0x64/0x220) from [<c0213850>] (omap_hsmmc_request+0x44/0x400) [<c0213850>] (omap_hsmmc_request+0x44/0x400) from [<c020bb94>] (mmc_request_done+0x64/0x90) [<c020bb94>] (mmc_request_done+0x64/0x90) from [<c02145fc>] (omap_hsmmc_irq+0x364/0x46c) [<c02145fc>] (omap_hsmmc_irq+0x364/0x46c) from [<c00768e8>] (irq_thread+0xc0/0x208) [<c00768e8>] (irq_thread+0xc0/0x208) from [<c0060ae8>] (kthread+0x78/0x80) [<c0060ae8>] (kthread+0x78/0x80) from [<c0028ec4>] (kernel_thread_exit+0x0/0x8) Code: e597300c e1520003 1a000002 e3a03000 (e5833000) ---[ end trace ce701f5d04d4ac19 ]--- exiting task "irq/83-mmc0" (355) is an active IRQ thread (irq 83) note: irq/83-mmc0[355] exited with preempt_count 1 Regards, Amit -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html -- 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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