On Thu, 2009-10-01 at 09:53 +0200, Peter Puchwein wrote: > Peter Puchwein wrote: > > Hi, > > > > we've done some start/stop tests with our xenomai system 2.6.29.5 with > > Xenomai 2.4.9.1 on a SMP x86. > > > > Sometimes on boot we get these messages: > > > > [ 28.474265] BUG: scheduling while atomic: ps/3549/0x10000100 > > [ 28.474269] Modules linked in: ec_e1000e ec_master [last unloaded: > > e1000e] > > [ 28.474283] Pid: 3549, comm: ps Not tainted (2.6.29.5-xenomai-2.4.9 #8) > > [ 28.474287] EIP: 0060:[<c113df82>] EFLAGS: 00000206 CPU: 1 > > [ 28.474296] EIP is at selinux_dentry_open+0x1/0xb8 > > [ 28.474299] EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: 00000000 > > [ 28.474303] ESI: 00000000 EDI: 00000000 EBP: ead8bea4 ESP: c1ef9638 > > [ 28.474307] DS: 0000 ES: 0000 FS: 0000 GS: 0033 SS: 0068 > > [ 28.474310] CR0: 8005003b CR2: b7ea6000 CR3: 2ad6d000 CR4: 00000690 > > [ 28.474314] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 > > [ 28.474317] DR6: ffff0ff0 DR7: 00000400 > > [ 28.474320] Call Trace: > > > > The trace stops here, so we don't see any calltrace. > > > > after evaluating some of these messages, we found out, that they have > > maybe something to do with networking. > > > > [ 34.340268] BUG: scheduling while atomic: udevd/3641/0x10000101 > > [ 28.870014] BUG: scheduling while atomic: insmod/3570/0x10000100 > > [ 33.088267] BUG: scheduling while atomic: ifconfig/3594/0x10000100 > > [ 28.330054] BUG: scheduling while atomic: ifconfig/3548/0x10000100 > > [ 28.252017] BUG: scheduling while atomic: ifconfig/3549/0x10000100 > > [ 31.191270] BUG: scheduling while atomic: ifconfig/3564/0x10000100 > > [ 30.902267] BUG: scheduling while atomic: ifconfig/3573/0x10000100 > > [ 31.299021] BUG: scheduling while atomic: udevd/3568/0x10000100 > > [ 28.355319] BUG: scheduling while atomic: ifconfig/3538/0x10000100 > > [ 28.277270] BUG: scheduling while atomic: ifconfig/3548/0x10000100 > > [ 28.601013] BUG: scheduling while atomic: insmod/3579/0x10000100 > > [ 33.356077] BUG: scheduling while atomic: ifconfig/3587/0x10000100 > > > > > > Sometimes (every 500 times) the system freezes after these messages, > > mostly it works completely normal. > > > > > After further tests it seems that kernel debugging paramters produce > these errors. > So be aware of kernel debugging options! >
Please send both the failing and working .config files, so that we can find out which option(s) triggered this behavior. We just can't leave issues like this unfixed, if our code is involved. -- Philippe. _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
