Messages in this thread | | | Subject | Re: [Jackit-devel] Re: [patch] voluntary-preempt-2.6.8-rc3-O5 | From | Lee Revell <> | Date | Thu, 12 Aug 2004 21:17:00 -0400 |
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On Thu, 2004-08-12 at 20:55, Florian Schmidt wrote: > I think many of the jackd xruns are really jacks business. But maybe i > misinterpret the symptom. >
I also get this one with apt-get dist-upgrade:
(dpkg/11902): 444us [0 jiffy] non-preemptible critical section violated 300 us preempt threshold starting at copy_mm+0x31b/0x3f0 and ending at copy_page_range+0x144/0x290 [<c0106497>] dump_stack+0x17/0x20 [<c0113dc2>] touch_preempt_timing+0x32/0x40 [<c013b7b4>] copy_page_range+0x144/0x290 [<c0114922>] copy_mm+0x362/0x3f0 [<c0115243>] copy_process+0x3d3/0xb60 [<c0115a11>] do_fork+0x41/0x1b3 [<c01049b9>] sys_clone+0x29/0x30 [<c0105e57>] syscall_call+0x7/0xb
Shouldn't fork()'ing a dpkg process be a lot faster than that, with copy-on-write etc?
Lee
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