On Wednesday, 27 of April 2005 12:19, Andrew Morton wrote:
> "Rafael J. Wysocki" <[email protected]> wrote:
> >
> > Hi,
> >
> > I'm having a problem with 2.6.12-rc3 and the Java VM (from SuSE 9.2)
> > on AMD64. Namely, after trying to open a web page containing a Java
> > applet, my browser starts a java process that takes almost 100% of the CPU
> > (system load, according to gkrellm) and cannot be killed (even by root,
> > although it executes with a non-root UID). Apparently, it is in TASK_RUNNING
> > (according to ps).
> >
> > The problem is 100% reproducible (it is enough to visit
> > http://java.sun.com/docs/books/tutorial/getStarted/index.html to trigger it)
> > and it does not depend on the web browser used.
> >
> > The Java JRE version is:
> >
> > java version "1.4.2_06"
> > Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_06-b03)
> > Java HotSpot(TM) Client VM (build 1.4.2_06-b03, mixed mode)
> >
> > (I guess it's 32-bit, but I'm not quite sure) and I've installed it from the
> > SuSE 9.2 RPM.
> >
> > It really is a show stopper to me, so please advise.
>
> Where is it running?
>
> You can tell this from a kernel profile, or by using sysrq-P five or ten
> times then looking at the output.
>From sysrq-P, I get this:
Pid: 11073, comm: java Not tainted 2.6.12-rc3
RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20}
RSP: 0018:ffff810012d6ff58 EFLAGS: 00000282
RAX: 0000000000020000 RBX: ffff810010868820 RCX: ffff810012d6e000
RDX: 0000000000020000 RSI: 0000000000000000 RDI: ffff810012d6ff58
RBP: 000000a30c153a4a R08: ffff810012d6e000 R09: ffffffff804c6068
R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff804ccd40
R13: ffff810010868820 R14: ffff81002cff2cf0 R15: ffffffff8010d3a7
FS: 00002aaaae6389c0(0000) GS:ffffffff8054a600(0063) knlGS:00000000556c9080
CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
CR2: 00002aaaaabab000 CR3: 0000000012930000 CR4: 00000000000006e0
Call Trace:<ffffffff8010f697>{retint_signal+54}
all the time.
I've also found out that in fact the problem is not 100% reproducible, but it is much
more likely to be reproduced if the CPU is heavily loaded.
Greets,
Rafael
--
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
-- Lewis Carroll "Alice's Adventures in Wonderland"
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