Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [BUG] 2.6.12-rc3: unkillable java process in TASK_RUNNING on AMD64 | Date | Wed, 27 Apr 2005 14:12:51 +0200 |
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On Wednesday, 27 of April 2005 13:55, Andrew Morton wrote: > "Rafael J. Wysocki" <rjw@sisk.pl> wrote: > > > > On Wednesday, 27 of April 2005 12:19, Andrew Morton wrote: > > > "Rafael J. Wysocki" <rjw@sisk.pl> 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. > > All the time? Exactly the same?
Well, to be precise (in the order of appearence):
RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} Call Trace:<ffffffff8010f697>{retint_signal+54}
RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} Call Trace:<ffffffff8010f697>{retint_signal+54}
RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} Call Trace:<ffffffff8010f697>{retint_signal+54}
RIP: 0010:[<ffffffff8013f928>] <ffffffff8013f928>{__do_softirq+72} Call Trace: <IRQ> <ffffffff80139a7b>{profile_tick+75} <ffffffff8013f9c5>{do_softirq+53} <ffffffff80111ab7>{do_IRQ+71} <ffffffff8010f5d5>{ret_from_intr+0} <EOI> <ffffffff8010d3a7>{__switch_to+263} <ffffffff8010f666>{retint_signal+5} <ffffffff8010f697>{retint_signal+54}
RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} Call Trace:<ffffffff8010f697>{retint_signal+54}
RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} Call Trace:<ffffffff8010f697>{retint_signal+54}
RIP: 0010:[<ffffffff8010e6a0>] <ffffffff8010e6a0>{do_notify_resume+48} Call Trace:<ffffffff8010f697>{retint_signal+54}
RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20} Call Trace:<ffffffff8010f697>{retint_signal+54}
> If you could do something crude like hit sysrq-P 100 times then do > `dmesg|grep RIP' we could possibly determine whether things are indeed stuck > in that potential infinite loop in there.
OK, the result is attached (I think things really are there).
> I assume you're using CONFIG_PREEMPT?
No ...
> It'd be interesting to know the interrupt rate and context switch rate > which this is going on.
OK, but could you please tell me how to get these numbers?
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" RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f6a0>] <ffffffff8010f6a0>{retint_signal+63} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e673>] <ffffffff8010e673>{do_notify_resume+3} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff80332d91>] <ffffffff80332d91>{__kfree_skb+1} RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20} RIP: 0010:[<ffffffff8010e673>] <ffffffff8010e673>{do_notify_resume+3} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8013f928>] <ffffffff8013f928>{__do_softirq+72} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f6af>] <ffffffff8010f6af>{retint_signal+78} RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f683>] <ffffffff8010f683>{retint_signal+34} RIP: 0010:[<ffffffff8010e673>] <ffffffff8010e673>{do_notify_resume+3} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f6a0>] <ffffffff8010f6a0>{retint_signal+63} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e6a0>] <ffffffff8010e6a0>{do_notify_resume+48} RIP: 0033:[<00002aaaaac2dcd2>] [<00002aaaaac2dcd2>] RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f6af>] <ffffffff8010f6af>{retint_signal+78} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010e6a0>] <ffffffff8010e6a0>{do_notify_resume+48} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f6af>] <ffffffff8010f6af>{retint_signal+78} RIP: 0010:[<ffffffff8010e673>] <ffffffff8010e673>{do_notify_resume+3} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f683>] <ffffffff8010f683>{retint_signal+34} RIP: 0010:[<ffffffff8010f6af>] <ffffffff8010f6af>{retint_signal+78} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e6a0>] <ffffffff8010e6a0>{do_notify_resume+48} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f683>] <ffffffff8010f683>{retint_signal+34} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f692>] <ffffffff8010f692>{retint_signal+49} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f6af>] <ffffffff8010f6af>{retint_signal+78} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f683>] <ffffffff8010f683>{retint_signal+34} RIP: 0010:[<ffffffff8010e6a0>] <ffffffff8010e6a0>{do_notify_resume+48} RIP: 0010:[<ffffffff8010f692>] <ffffffff8010f692>{retint_signal+49} RIP: 0010:[<ffffffff8010f6af>] <ffffffff8010f6af>{retint_signal+78} RIP: 0010:[<ffffffff8010e673>] <ffffffff8010e673>{do_notify_resume+3} RIP: 0010:[<ffffffff801b1500>] <ffffffff801b1500>{vfs_ioctl+400} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f692>] <ffffffff8010f692>{retint_signal+49} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f6af>] <ffffffff8010f6af>{retint_signal+78} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f683>] <ffffffff8010f683>{retint_signal+34} RIP: 0010:[<ffffffff8010e6a0>] <ffffffff8010e6a0>{do_notify_resume+48} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e673>] <ffffffff8010e673>{do_notify_resume+3} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f675>] <ffffffff8010f675>{retint_signal+20} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5} RIP: 0010:[<ffffffff8010e670>] <ffffffff8010e670>{do_notify_resume+0} RIP: 0010:[<ffffffff8010f666>] <ffffffff8010f666>{retint_signal+5}
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