Hi, I've a board similar to AT91SAM9263-EK based design, except for the differences in LCD screen and a quartz is 16.0MHz. I've compiled kernel 2.6.28 with Angstrom patches and enabled TFT Sharp display 3.7". The filesystem was taken from the online image builder for the Angstrom distribution. Kernel starts and I can launch different utils. The problem (kernel crash) appears when I use the touchscreen for a few minutes; if I don't use the touchscreen (for instance, operate with kbd and mouse) the systems seems to be stable. I tried to google and found the same issue with x86 systems and different kernel versions, but without touchscreen of course. Does the problem appear only at my board or the issue is tracked? The log is provided:
[42949671.300000] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [42949671.300000] pgd = c30e4000 [42949671.300000] [00000000] *pgd=230a4031, *pte=00000000, *ppte=00000000 [42949671.300000] Internal error: Oops: 0 [#1] PREEMPT [42949671.300000] Modules linked in: bnep rfcomm hidp l2cap bluetooth [42949671.300000] CPU: 0 Not tainted (2.6.28 #1) [42949671.300000] PC is at 0x0 [42949671.300000] LR is at clockevents_program_event+0x12c/0x144 [42949671.300000] pc : [<00000000>] lr : [<c005b7f8>] psr: 60000093 [42949671.300000] sp : c39e7e18 ip : 00000000 fp : c39e7e3c [42949671.300000] r10: 00000000 r9 : 0000012a r8 : c03a4a58 [42949671.300000] r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 01999999 [42949671.300000] r3 : 00000000 r2 : 00000020 r1 : c03a4a58 r0 : 00000000 [42949671.300000] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user [42949671.300000] Control: 0005317f Table: 230e4000 DAC: 00000015 [42949671.300000] Process epiphany (pid: 886, stack limit = 0xc39e6268) [42949671.300000] Stack: (0xc39e7e18 to 0xc39e8000) [42949671.300000] 7e00: 1417059b 0000012a [42949671.300000] 7e20: c03a8070 c03a4a58 1408153b 0000012a c39e7e7c c39e7e40 c005c150 c005b6dc [42949671.300000] 7e40: 1408153b 0000012a 1408153b 0000012a c0026a68 1417059b 0000012a c03a8070 [42949671.300000] 7e60: c39e6000 c03a8070 c39e6000 0000000a c39e7e9c c39e7e80 c005c264 c005c120 [42949671.300000] 7e80: 00000000 c39e7ebc 1417059b 0000012a c39e7ebc c39e7ea0 c0055bd8 c005c244 [42949671.300000] 7ea0: c03a80a0 c38bebc0 c020f9a8 c39e6000 c39e7eec c39e7ec0 c00560b0 c0055b40 [42949671.300000] 7ec0: c38bec00 00000000 1443fd00 00000102 c03a8070 00000001 00000004 c39e6000 [42949671.300000] 7ee0: c39e7f14 c39e7ef0 c0057270 c0055f6c 00000102 c03cc580 00000001 00000004 [42949671.300000] 7f00: c39e6000 c39e6000 c39e7f4c c39e7f18 c00470d8 c00571cc 00000001 00000000 [42949671.300000] 7f20: 00000000 00000001 00000000 00000102 c03cc3a0 00000001 00000004 c39e6000 [42949671.300000] 7f40: c39e7f7c c39e7f50 c00421e4 c00470cc c03a8644 00000001 00000001 00000000 [42949671.300000] 7f60: 00000001 00000001 00000000 00000001 c39e7f94 c39e7f80 c0042620 c0042178 [42949671.300000] 7f80: 00000001 00000000 c39e7fac c39e7f98 c0026074 c00425e0 ffffffff fefff000 [42949671.300000] 7fa0: 00000000 c39e7fb0 c0026c70 c0026010 0000000a 002d8560 00000001 00000022 [42949671.300000] 7fc0: 004997e0 00000000 00000002 002d8560 00000022 00000022 00000001 00000001 [42949671.300000] 7fe0: 4219a9ac be907f10 421c5434 4218401c 20000010 ffffffff 00000000 00000000 [42949671.300000] Backtrace: [42949671.300000] [<c005b6cc>] (clockevents_program_event+0x0/0x144) from [<c005c150>] (tick_dev_program_event+0x40/0xdc) [42949671.300000] r9:0000012a r8:1408153b r7:c03a4a58 r6:c03a8070 r5:0000012a [42949671.300000] r4:1417059b [42949671.300000] [<c005c110>] (tick_dev_program_event+0x0/0xdc) from [<c005c264>] (tick_program_event+0x30/0x3c) [42949671.300000] [<c005c234>] (tick_program_event+0x0/0x3c) from [<c0055bd8>] (hrtimer_reprogram+0xa8/0xd0) [42949671.300000] r5:0000012a r4:1417059b [42949671.300000] [<c0055b30>] (hrtimer_reprogram+0x0/0xd0) from [<c00560b0>] (run_hrtimer_pending+0x154/0x1e0) [42949671.300000] r7:c39e6000 r6:c020f9a8 r5:c38bebc0 r4:c03a80a0 [42949671.300000] [<c0055f5c>] (run_hrtimer_pending+0x0/0x1e0) from [<c0057270>] (hrtimer_run_pending+0xb4/0xc4) [42949671.300000] r8:c39e6000 r7:00000004 r6:00000001 r5:c03a8070 r4:00000102 [42949671.300000] [<c00571bc>] (hrtimer_run_pending+0x0/0xc4) from [<c00470d8>] (run_timer_softirq+0x1c/0x260) [42949671.300000] r9:c39e6000 r8:c39e6000 r7:00000004 r6:00000001 r5:c03cc580 [42949671.300000] r4:00000102 [42949671.300000] [<c00470bc>] (run_timer_softirq+0x0/0x260) from [<c00421e4>] (__do_softirq+0x7c/0x11c) [42949671.300000] r8:c39e6000 r7:00000004 r6:00000001 r5:c03cc3a0 r4:00000102 [42949671.300000] [<c0042168>] (__do_softirq+0x0/0x11c) from [<c0042620>] (irq_exit+0x50/0xa4) [42949671.300000] [<c00425d0>] (irq_exit+0x0/0xa4) from [<c0026074>] (__exception_text_start+0x74/0x90) [42949671.300000] r5:00000000 r4:00000001 [42949671.300000] [<c0026000>] (__exception_text_start+0x0/0x90) from [<c0026c70>] (__irq_usr+0x50/0xa0) [42949671.300000] Exception stack(0xc39e7fb0 to 0xc39e7ff8) [42949671.300000] 7fa0: 0000000a 002d8560 00000001 00000022 [42949671.300000] 7fc0: 004997e0 00000000 00000002 002d8560 00000022 00000022 00000001 00000001 [42949671.300000] 7fe0: 4219a9ac be907f10 421c5434 4218401c 20000010 ffffffff [42949671.300000] r5:fefff000 r4:ffffffff [42949671.300000] Code: bad PC value. [42949671.710000] Kernel panic - not syncing: Fatal exception in interrupt Furthermore, warnings about "Unknown HZ value! (83) Assume 100." embarrass me. May it be the kernel config wrong? But I used the config from Angstrom without any modifications. regards, Max _______________________________________________ Angstrom-distro-users mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-users
