Hi, SeokYeon I think I found the cause of this problem, try removing "-soundhw all" from your qemu command line, it should work. It turned out I had it removed all along, but when I put it back I get a kernel hang.
There must be some problems handling sound with new kernel, I'll try to find out what they are... On 04/23/2014 06:12 AM, SeokYeon Hwang wrote: > Sorry for my late reply. > > A mail server was malfunction till yesterday. > > Thekernel load time I meantwas"afterkernel loading->before init start" time. > > [ 0.000000] Initializing cgroup subsys cpuset[ 0.000000] Initializing > cgroup subsys cpu... > > ... > > ... > > Image mount[ 12.729651] kjournald starting. Commit interval 5 seconds[ > 12.731320] EXT3-fs (vda): using internal journal[ 12.732636] EXT3-fs (vda): > recovery complete[ 12.733517] EXT3-fs (vda): mounted filesystem with > writeback data mode***[ > 12.734886]*mount used greatest stack depth: 6132 bytes leftcreate device > filesystemSwitching root > > I meant“12.734886”seconds. > > Itmightbenot related with 3.12 kernel hang-up issue. > > But I’mcuriouswhy“HAX enabled”is much slowerthan“HAX disabled”. > > Back to the hang-up issue, it is notpermanenthang-up. > > It proceedsafter 5 minutes ~ 15 minutes. > > But kernel time is passingonlyfew milliseconds. > > It might bea potential critical problemwhateverkernel version is, so I hope > to figure out cause of this, ASAP. > > Thanks. > > -----Original Message----- > From:Stanislav Vorobiov [mailto:[email protected]] > Sent:Friday, April 18, 2014 4:07 PM > To:SeokYeon Hwang; [email protected]; 'Ji, John'; [email protected] > Subject:Re: [Dev] [SDK/Emulator] Emulator kernel upgrade is postponed and > other issues... > > Hi, > >> How long kernel load time (after kernel loading -> before "init" > >> starts) at your Windows PC with HAX enabled and HAX disabled ?? > > How do you measure the time between kernel loading and init start ? Do you > modify guest filesystem somehow ? > > I've measured time from emulator startup to UI, it's 20-22secs with HAX and > about 2m 20secs without HAX > > On 04/18/2014 10:41 AM, SeokYeon Hwang wrote: > >> Yes, It can reproduce even with g_poll patch. > >> We can reproduce it on most of Windows PCs. It may be timing issues > >> depend on PC's performance, ... > >> > >> How long kernel load time (after kernel loading -> before "init" > >> starts) at your Windows PC with HAX enabled and HAX disabled ?? > >> > >> -----Original Message----- > >> From: Stanislav Vorobiov [mailto:[email protected]] > >> Sent: Friday, April 18, 2014 2:59 PM > >> To: SeokYeon Hwang;[email protected]<mailto:[email protected]>; 'Ji, >> John'; > >>[email protected]<mailto:[email protected]> > >> Subject: Re: [Dev] [SDK/Emulator] Emulator kernel upgrade is postponed > >> and other issues... > >> > >> Hi, SeokYeon > >> > >> This happens even withhttps://review.tizen.org/gerrit/#/c/19414/right ? > >> > >> Before that patch kernel 3.12 didn't boot at all, but now it boots > >> every time (fast) and I can't reproduce this hang... > >> > >> Also, regarding boot delays with HAX, I do experience them on mac os > >> x, I'm not sure if it's related though... > >> > >> On 04/18/2014 08:11 AM, SeokYeon Hwang wrote: > >>> I'll postpone to apply 3.12 linux kernel to tizen because of a big > >> problem. > >>> > >>> The problem is that the hang happens for a certain period of time > >>> (several > >> minutes) when booting in many Windows PC. > >>> > >>> Until resolving the problem, I'll postpone it. > >>> > >>> > >>> > >>> We need a help to resolve it, especially from HAX developers. > >>> > >>> Because it happens when running with turned on VT acceleration with HAX. > >>> > >>> The other fact is that guest kernel time is stopped. > >>> > >>> Please treat this with a higher priority. > >>> > >>> The HAX may not be the cause of the problem. However, it will be very > >> helpful if HAX developers help me. > >>> > >>> > >>> > >>> Also, I have a question about HAX. > >>> > >>> Why does the running with disabled HAX be the faster than the running > >>> with > >> enabled HAX for the time (loading kernel -> starting init) in Windows? > >>> > >>> It can affect the overall performance in Windows, so please check > >>> this > >> performance issue. > >>> > >>> > >>> > >>> Thanks. > >>> > >>> > >>> > >>> _______________________________________________ > >>> Dev mailing list > >>>[email protected]<mailto:[email protected]> > >>>https://lists.tizen.org/listinfo/dev > >>> > >> > >> > _______________________________________________ Dev mailing list [email protected] https://lists.tizen.org/listinfo/dev
