Portal 2's anti debugger checks hangs on rt6: [21940.633370] BUG: sleeping function called from invalid context at kernel/rtmutex.c:645 [21940.633371] in_atomic(): 1, irqs_disabled(): 0, pid: 4235, name: portal2.exe [21940.633372] Pid: 4235, comm: portal2.exe Tainted: P WC 3.0.0-rt6-patser+ #3 [21940.633377] Call Trace: [21940.633381] [<ffffffff8103fc0a>] __might_sleep+0xca/0xf0 [21940.633383] [<ffffffff8160d344>] rt_spin_lock+0x24/0x40 [21940.633385] [<ffffffff8106b879>] force_sig_info+0x49/0x100 [21940.633387] [<ffffffff8100e6d8>] send_sigtrap+0x68/0x70 [21940.633389] [<ffffffff8160e6f0>] do_debug+0x150/0x160 [21940.633390] [<ffffffff8160dbf2>] debug+0x22/0x40 and int3: [15945.341955] BUG: sleeping function called from invalid context at kernel/rtmutex.c:645 [15945.341957] in_atomic(): 1, irqs_disabled(): 0, pid: 3166, name: portal2.exe [15945.341958] Pid: 3166, comm: portal2.exe Tainted: P WC 3.0.0-rt6-patser+ #3 [15945.341959] Call Trace: [15945.341963] [<ffffffff8103fc0a>] __might_sleep+0xca/0xf0 [15945.341965] [<ffffffff8160d344>] rt_spin_lock+0x24/0x40 [15945.341968] [<ffffffff8106b879>] force_sig_info+0x49/0x100 [15945.341969] [<ffffffff8106b946>] force_sig+0x16/0x20 [15945.341970] [<ffffffff8160e0ab>] do_trap+0x16b/0x170 [15945.341972] [<ffffffff8160e509>] do_int3+0x99/0xc0 [15945.341973] [<ffffffff8160dc32>] int3+0x22/0x40 Is there a better solution than converting the siglock to a raw spinlock? ~Maarten -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html