I am trying to get xenomai/adeos going with a 3.0 kernel, and am hitting
some issues with the interrupts it seems.
2.6.38 seems to be working OK, although it has some other issues that
I was trying to see were solved by 3.0.
Does anyone have a suggestion on where to look in the code to debug this?
Unable to handle kernel paging request for instruction fetch
Faulting instruction address: 0x00000000
Oops: Kernel access of bad area, sig: 11 [#1]
RC8360 CM
Modules linked in: fsl_mcc_driver(O) nciTMSkmod(P) spi_ds26514 rx1k5_spimux
hdlc_raw hdlc_raw_eth hdlc_fr hdlc_ppp hdlc dummy xeno_native max6369_wdt
iptable_filter ip_tables x_tables ucc_geth_driver firmware_class ltc4215 lm75
talitos
NIP: 00000000 LR: c001e980 CTR: 00000000
REGS: dfff7980 TRAP: 0400 Tainted: P O (3.0.0-2-8360e)
MSR: 20001032 <ME,IR,DR> CR: 44002224 XER: 00000000
TASK = dfb2cbd0[2525] 'ifconfig' THREAD: dfa68000
GPR00: c001e968 dfff7a30 dfb2cbd0 c03bcc48 00000021 c03c90a4 c03c90a0 c03c90a4
GPR08: 00000002 00000000 00000021 df804000 00000000 10018b20 00044b83 3b9aca00
GPR16: dfff7bb0 10624dd3 c033ec80 00000000 c03ba000 00008000 dfff7bb8 c03ba000
GPR24: c000eac4 000004a0 c03d8344 c03f0900 c03f5084 df805100 0000001d c03bcc48
NIP [00000000] (null)
LR [c001e980] qe_ic_cascade_low_ipic+0x38/0x74
Call Trace:
[dfff7a30] [c001e968] qe_ic_cascade_low_ipic+0x20/0x74 (unreliable)
[dfff7a50] [c000eadc] __ipipe_ack_irq+0x18/0x28
[dfff7a60] [c000eebc] __ipipe_handle_irq+0x130/0x15c
[dfff7a90] [c000eff0] __ipipe_grab_irq+0x3c/0x70
[dfff7aa0] [c0010ef4] __ipipe_ret_from_except+0x0/0xc
--- Exception: 501 at __ipipe_sync_stage+0x1a4/0x1f8
LR = __ipipe_unstall_root+0x58/0x5c
[dfff7b60] [c00268e0] console_unlock+0x1a8/0x210 (unreliable)
[dfff7b90] [c0070230] __ipipe_unstall_root+0x58/0x5c
[dfff7ba0] [c0026e88] vprintk+0x198/0x394
[dfff7c50] [c02eebb0] printk+0x134/0x1b0
[dfff7ca0] [c00153f8] bad_page_fault+0xd4/0xfc
[dfff7cb0] [c0010aa8] handle_page_fault+0x7c/0x80
--- Exception: 400 at (null)
LR = qe_ic_cascade_low_ipic+0x38/0x74
[dfff7d70] [c001e968] qe_ic_cascade_low_ipic+0x20/0x74 (unreliable)
[dfff7d90] [c000eadc] __ipipe_ack_irq+0x18/0x28
[dfff7da0] [c000eebc] __ipipe_handle_irq+0x130/0x15c
[dfff7dd0] [c000eff0] __ipipe_grab_irq+0x3c/0x70
[dfff7de0] [c0010ef4] __ipipe_ret_from_except+0x0/0xc
--- Exception: 501 at mld_sendpack+0x34c/0x458
LR = mld_sendpack+0x41c/0x458
[dfff7f10] [c02d7f8c] mld_ifc_timer_expire+0x264/0x324
[dfff7f40] [c0032fa4] run_timer_softirq+0x11c/0x214
[dfff7fa0] [c002c7a4] __do_softirq+0xb4/0x16c
[dfff7ff0] [c000e57c] call_do_softirq+0x14/0x24
[dfa69cc0] [c0006090] do_softirq+0xb4/0xc8
[dfa69ce0] [c002c4cc] irq_exit+0x48/0x58
[dfa69cf0] [c006f9a8] __ipipe_sync_stage+0x1d8/0x1f8
[dfa69d20] [c000ef88] __ipipe_grab_timer+0xa0/0xcc
[dfa69d30] [c0010ef4] __ipipe_ret_from_except+0x0/0xc
--- Exception: 901 at unix_sock_destructor+0x4/0xe4
LR = __sk_free+0x28/0x174
[dfa69df0] [c0020368] __wake_up+0x54/0x68 (unreliable)
[dfa69e00] [c0223414] skb_dequeue+0x84/0xa4
[dfa69e10] [c02b4134] unix_release_sock+0x244/0x254
[dfa69e40] [c021cf74] sock_release+0x30/0xa4
[dfa69e60] [c021d004] sock_close+0x1c/0x40
<snip a bunch more just like it>
--
Len Sorensen
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