Jan Kiszka wrote:
> ...
> [Update] While writing this mail and letting your test run for a while,
> I *did* get a hard lock-up. Hold on, digging deeper...
> 

And here are its last words, spoken via serial console:

c31dfab0 00000086 c30d1a90 c02a2500 c482a360 00000001 00000001 00200000
       c012e564 00000022 ffffffff 00000246 c30d1a90 c4866ce0 00000033
c4820000
       c482a360 c4866ca0 ffffffff c48293a4 c48524e1 00000000 00000000
00000002
Call Trace:
 [<c012e564>] __ipipe_dispatch_event+0x56/0xdd
 [<c4820000>] e100_hw_init+0x3ad/0xa81 [e100]
 [<c48524e1>] xnpod_suspend_thread+0x714/0x76d [xeno_nucleus]
 [<c4856946>] xnsynch_sleep_on+0x76d/0x7a7 [xeno_nucleus]
 [<c4a09b29>] rt_sem_p+0xa6/0x10a [xeno_native]
 [<c4a03c62>] __rt_sem_p+0x5d/0x66 [xeno_native]
 [<c485b207>] hisyscall_event+0x1cb/0x2d3 [xeno_nucleus]
 [<c012e564>] __ipipe_dispatch_event+0x56/0xdd
 [<c010b3ea>] __ipipe_syscall_root+0x53/0xbe
 [<c01029c0>] system_call+0x20/0x41
Xenomai: fatal: blocked thread main[863] rescheduled?! (status=0x300082,
sig=0, prev=gatekeeper/0[809])
 CPU  PID    PRI  TIMEOUT  STAT      NAME
>  0  0      30   0        00500080  ROOT
   0  864    30   0        00300180  task0
   0  865    29   0        00300288  task1
   0  863    1    0        00300082  main
Timer: oneshot [tickval=1 ns, elapsed=175144731477]

c31e1f14 c4860572 c3188000 c31dfab0 00300082 c02a2500 00000286 c02a2500
       c030cbec c012e564 00000022 c02a2500 c30d1a90 c30d1a90 00000022
00000001
       c02a2500 c30d1a90 c08e4623 00000028 c31e1fa0 c0266ed5 0000f610
c030cd80
Call Trace:
 [<c012e564>] __ipipe_dispatch_event+0x56/0xdd
 [<c0266ed5>] schedule+0x3ef/0x5ed
 [<c485a27c>] gatekeeper_thread+0x0/0x179 [xeno_nucleus]
 [<c485a316>] gatekeeper_thread+0x9a/0x179 [xeno_nucleus]
 [<c010dd8b>] default_wake_function+0x0/0x12
 [<c0124fbc>] kthread+0x68/0x95
 [<c0124f54>] kthread+0x0/0x95
 [<c0100d71>] kernel_thread_helper+0x5/0xb

Any bells already ringing?

Will try Gilles' patch now...

Jan

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