<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [HSW Bisected] Fail to resume from S4, causing system hang (once out of 5 test circles)" href="https://bugs.freedesktop.org/show_bug.cgi?id=82340#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [HSW Bisected] Fail to resume from S4, causing system hang (once out of 5 test circles)" href="https://bugs.freedesktop.org/show_bug.cgi?id=82340">bug 82340</a> from <a class="email" href="mailto:ming.yao@intel.com" title="yaoming <ming.yao@intel.com>"> yaoming</a> <pre>(In reply to <a href="show_bug.cgi?id=82340#c12">comment #12</a>) > Could you try the following branch: > <a href="https://github.com/ideak/linux/commits/suspend-fix">https://github.com/ideak/linux/commits/suspend-fix</a> > > Also could you get a serial console log when the hang happens (preferably > from an RS232 port, or if that's not available via a USB->serial adapter)? > See Documentation/serial-console.txt to set things up. > > Also make sure you have enabled the following kconfig options: > CONFIG_LOCKUP_DETECTOR=y > CONFIG_HARDLOCKUP_DETECTOR=y > CONFIG_DETECT_HUNG_TASK=y > > and pass the 'debug', 'no_console_suspend' kernel parameters. I tested the branch you gave, still caused system hang. I am sorry I can't get log from a serial console, because the test machine has no RS232 port available.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>