El Jue 23 Jul 2009 05:18:33 Oliver Bock escribió: > On Wednesday 22 July 2009 19:31:24 Nicolás Alvarez wrote: > > El Miércoles 22 Jul 2009 06:25:11 Oliver Bock escribió: > > > "Sending sigkill (ctrl-c) to an application that is currently running a > > > kernel on the GPU may not result in a clean shutdown of the process as > > > the kernel may continue running for a long time afterwards on the GPU. > > > In such cases, a system restart may be necessary before running further > > > CUDA or graphics applications." > > > > SIGKILL is the one signal that is impossible to "block" by an > > application; the kernel will really kill the app and the app can do > > nothing to avoid it. > > I suppose you mean the BOINC client (not the kernel) killing the app...? > That's the problem: *if* a CUDA kernel, or its controlling host application > respectively, isn't supposed to be killed (because of the problems > described above) this behavior by the BOINC client *might* cause problems.
No, I meant the *operating system's kernel* would kill the process if another app sends that process a SIGKILL signal, without giving it any opportunity to do any app-specific cleanup. _______________________________________________ boinc_dev mailing list boinc_dev@ssl.berkeley.edu http://lists.ssl.berkeley.edu/mailman/listinfo/boinc_dev To unsubscribe, visit the above URL and (near bottom of page) enter your email address.
