I sent NMI, but it printed out a stack trace plus a message "no dump device" or something then rebooted. I tried -v on my old supermicro system, on the console I saw message about sd## devices, then it hung. The console still responded to keyboard, but just stayed that way forever.
What change is needed to drop into kmdb when the OS receives NMI? On Mon, Aug 13, 2018 at 12:06 AM, Jason King <[email protected]> wrote: > Was that with boot -v? Are you able to send the system an NMI after it > hangs (or get the boot -v output up to the hang)? > > Prior to OS-7079, the system would start to startup the next CPU before it > had completely finished initializing the ‘current’ CPU (which could > deadlock depending on which CPU obtained a particular lock first), the > change makes it wait until the current CPU is finished starting up before > proceeding to the next CPU. > > It’s certainly possible it could have revealed another bug — OS-7079 > itself was introduced almost 10 years ago, but didn’t seem to be easy to > trigger until recent CPUs. > > > From: Youzhong Yang <[email protected]> <[email protected]> > Reply: [email protected] <smartos-discuss@lists. > smartos.org> <[email protected]> > Date: August 12, 2018 at 10:46:05 PM > To: [email protected] <[email protected]> > <[email protected]> > Subject: [smartos-discuss] still hang at boot - OS-7079 > mp_startup_common races itself > > Today I built a smartos image (with all git repos synced to master) and > rebooted the host with that image. It hung after the banner message + one > more line about power management or something. > > Then I reverted OS-7079, built an image, rebooted, it worked perfectly. > > So does it mean OS-7079 fixed one issue, but caused another? My host is an > old Supermicro X8DAH, Intel(R) Xeon(R) CPU X5570 @ 2.93GHz. Tomorrow I > will try on a new all NVMe system and see if it works. > > Thanks. > *smartos-discuss* | Archives > <https://www.listbox.com/member/archive/184463/=now> | Modify > <https://www.listbox.com/member/?> Your Subscription > <https://www.listbox.com> > > ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125 Powered by Listbox: https://www.listbox.com
