Hi! > If I try to suspend the machine while a process debug-stopped by ptrace, > suspend fails: > > PM: Preparing system for mem sleep > Freezing cpus ... > Breaking affinity for irq 0 > Breaking affinity for irq 1 > Breaking affinity for irq 12 > Breaking affinity for irq 23 > CPU 1 is now offline > SMP alternatives: switching to UP code > CPU1 is down > Stopping tasks: > ========================================================================================================================================================== > stopping tasks timed out after 20 seconds (13 tasks remaining): > khubd > kseriod > pdflush > pdflush > kswapd0 > kprefetchd > pccardd > kirqd > kjournald > kauditd > knodemgrd_0 > kjournald > test-vsnprintf > Restarting tasks...<6> Strange, khubd not stopped > Strange, kseriod not stopped > Strange, pdflush not stopped > Strange, pdflush not stopped > Strange, kswapd0 not stopped > Strange, kprefetchd not stopped > Strange, pccardd not stopped > Strange, kirqd not stopped > Strange, kjournald not stopped > Strange, kauditd not stopped > Strange, knodemgrd_0 not stopped > Strange, kjournald not stopped > Strange, test-vsnprintf not stopped > done > Thawing cpus ... > > In this case, test-vsnprintf is stopped in a breakpoint in gdb. If I > quit it, then suspend works as expected. Does it also happen when you do strace? ...I remember trying to solve that, but 2.6.17-mm3 is very recent...? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html