Hi Nicolas, On Wed, May 14, 2014 at 7:09 PM, Abhilash Kesavan <kesavan.abhilash@xxxxxxxxx> wrote: > Hi Nicolas, > > On Wed, May 14, 2014 at 7:03 PM, Nicolas Pitre <nicolas.pitre@xxxxxxxxxx> wrote: >> On Wed, 14 May 2014, Abhilash Kesavan wrote: >> >>> Hi Nicolas, >>> >>> [...] >>> >> >>> >> 1) can't create /sys/devices/system/cpu/cpu//online: nonexistent directory >>> > >>> > What do you get if you do: >>> > >>> > $ ls -d /sys/devices/system/cpu/cpu?/online >>> ls: /sys/devices/system/cpu/cpu//online: No such file or directory >> >> Somehow, you or your shell replaced the ? character into a / character. >> You could try with a * instead. > With a different RFS your script runs fine without any change. Will > update with results once testing is done. The script has been running for a few hours on my 5420 based chromebook. I can see all the cores being hotplugged in/out. A snippet of the prints, that I get on running the test, follows: =========================================== [ 2408.454198] CPU4: Booted secondary processor [ 2408.461468] CPU6: Booted secondary processor [ 2408.466306] CPU2: Booted secondary processor [ 2408.527229] CPU7: shutdown [ 2408.571822] CPU3: shutdown [ 2408.611762] CPU1: shutdown [ 2408.647230] CPU6: shutdown 027316[ 2408.686885] CPU2: shutdown [ 2408.691756] CPU3: Booted secondary processor [ 2408.696468] CPU0: Booted secondary processor 2[ 2408.705123] CPU2: Booted secondary processor [ 2408.747231] CPU4: shutdown 4[ 2408.776798] CPU3: shutdown [ 2408.786452] CPU4: Booted secondary processor [ 2408.796497] CPU1: Booted secondary processor 3[ 2408.852188] CPU4: shutdown [ 2408.856478] CPU7: Booted secondary processor [ 2408.861457] CPU5: Booted secondary processor 4[ 2408.865536] CPU4: Booted secondary processor [ 2408.921844] CPU1: shutdown [ 2408.926486] CPU6: Booted secondary processor [ 2408.931539] CPU3: Booted secondary processor 1[ 2408.967235] CPU7: shutdown 7[ 2409.011792] CPU3: shutdown [ 2409.016529] CPU1: Booted secondary processor 3[ 2409.082196] CPU6: shutdown 6[ 2409.126847] CPU0: shutdown [ 2409.172204] CPU4: shutdown [ 2409.176441] CPU7: Booted secondary processor 04[ 2409.226786] CPU2: shutdown [ 2409.229347] CPU4: Booted secondary processor 2[ 2409.272214] CPU7: shutdown [ 2409.276462] CPU0: Booted secondary processor 7[ 2409.317145] CPU5: shutdown [ 2409.321589] CPU3: Booted secondary processor [ 2409.326465] CPU7: Booted secondary processor [ 2409.331456] CPU2: Booted secondary processor 5[ 2409.335634] CPU5: Booted secondary processor [ 2409.382202] CPU4: shutdown 4[ 2409.421861] CPU1: shutdown [ 2409.461784] CPU2: shutdown [ 2409.466485] CPU6: Booted secondary processor 1[ 2409.471381] CPU1: Booted secondary processor 2[ 2409.522210] CPU5: shutdown 5[ 2409.582098] CPU7: shutdown [ 2409.586421] CPU2: Booted secondary processor 7[ 2409.642135] CPU6: shutdown 6[ 2409.681787] CPU1: shutdown 1[ 2409.716719] CPU0: shutdown [ 2409.721476] CPU7: Booted secondary processor [ 2409.726454] CPU5: Booted secondary processor 0[ 2409.731046] CPU0: Booted secondary processor [ 2409.736473] CPU1: Booted secondary processor [ 2409.772226] CPU7: shutdown 7[ 2409.816833] CPU3: shutdown [ 2409.821472] CPU4: Booted secondary processor 3[ 2409.871810] CPU0: shutdown [ 2409.912194] CPU4: shutdown [ 2409.957127] CPU5: shutdown [ 2409.961456] CPU6: Booted secondary processor [ 2409.966447] CPU3: Booted secondary processor [ 2409.970816] CPU5: Booted secondary processor [ 2410.011828] CPU2: shutdown [ 2410.041787] CPU1: shutdown [ 2410.044138] CPU2: Booted secondary processor 0452[ 2410.047629] CPU0: Booted secondary processor [ 2410.056582] CPU4: Booted secondary processor [ 2410.060400] CPU1: Booted secondary processor 1[ 2410.116858] CPU2: shutdown [ 2410.121472] CPU7: Booted secondary processor 2[ 2410.176838] CPU1: shutdown [ 2410.181614] CPU2: Booted secondary processor 1[ 2410.237224] CPU4: shutdown 4[ 2410.286853] CPU2: shutdown [ 2410.291472] CPU4: Booted secondary processor 2[ 2410.341767] CPU3: shutdown [ 2410.346579] CPU1: Booted secondary processor [ 2410.351585] CPU2: Booted secondary processor 3[ 2410.387251] CPU7: shutdown 7[ 2410.426854] CPU1: shutdown 1[ 2410.477217] CPU5: shutdown 5[ 2410.526810] CPU0: shutdown [ 2410.529108] CPU7: Booted secondary processor [ 2410.536432] CPU1: Booted secondary processor [ 2410.592173] CPU7: shutdown [ 2410.637141] CPU4: shutdown [ 2410.641459] CPU7: Booted secondary processor 07[ 2410.646392] CPU0: Booted secondary processor 4[ 2410.652206] CPU4: Booted secondary processor [ 2410.701872] CPU1: shutdown 1[ 2410.746764] CPU0: shutdown [ 2410.751481] CPU5: Booted secondary processor [ 2410.756512] CPU1: Booted secondary processor [ 2410.761505] CPU3: Booted secondary processor [ 2410.812331] CPU7: shutdown [ 2410.851841] CPU3: shutdown [ 2410.854089] CPU7: Booted secondary processor [ 2410.902210] CPU6: shutdown [ 2410.906476] CPU3: Booted secondary processor [ 2410.961858] CPU2: shutdown 07362[ 2411.011814] CPU3: shutdown [ 2411.016561] CPU2: Booted secondary processor 3[ 2411.057255] CPU4: shutdown [ 2411.061626] CPU6: Booted secondary processor 4[ 2411.111898] CPU2: shutdown [ 2411.116443] CPU4: Booted secondary processor 2[ 2411.166769] CPU1: shutdown [ 2411.170693] CPU3: Booted secondary processor [ 2411.222264] CPU7: shutdown [ 2411.262199] CPU5: shutdown 17[ 2411.266511] CPU1: Booted secondary processor [ 2411.271614] CPU2: Booted secondary processor 5[ 2411.327240] CPU4: shutdown [ 2411.331394] CPU0: Booted secondary processor 4[ 2411.381868] CPU1: shutdown 1[ 2411.426780] CPU3: shutdown [ 2411.431477] CPU5: Booted secondary processor 3[ 2411.441362] CPU3: Booted secondary processor [ 2411.492221] CPU5: shutdown [ 2411.501452] CPU1: Booted secondary processor [ 2411.505211] CPU5: Booted secondary processor 5[ 2411.511488] CPU4: Booted secondary processor [ 2411.566926] CPU0: shutdown [ 2411.612216] CPU5: shutdown 0[ 2411.616661] CPU0: Booted secondary processor [ 2411.621520] CPU7: Booted secondary processor 5[ 2411.628604] CPU5: Booted secondary processor =========================================== Is there anything else that needs to be checked to ensure that the script is running as expected ? Regards, Abhilash -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html