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SubjectRe: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U1
On Thu, 14 Oct 2004, Adam Heath wrote:

> On Thu, 14 Oct 2004, Ingo Molnar wrote:
> >
> > i have released the -U1 PREEMPT_REALTIME patch:
> >
> >
> >
> > Changes since -U0:
> >
> > - bugfix: fixed the highmem related crash reported by Adam Heath and i
> > think this could also fix the crash reported by Mark H Johnson.
> I've reenabled highmem(4g).
> Seems to be working fine. Has been running 11 minutes, without problems.
> ps: Something that irks me. During bootup, I get the high-latency traces for
> swapper/0. These fill up the dmesg ring buffer, so the early messages get
> dropped. Is there anything that can be done to fix that?

Got my first message.

scheduling while atomic: kswapd0/0x04000001/10
caller is cond_resched+0x53/0x70
[<c027ad31>] schedule+0x531/0x570
[<c027b2a3>] cond_resched+0x53/0x70
[<c012c604>] _mutex_lock+0x14/0x40
[<c0149521>] page_lock_anon_vma+0x31/0x60
[<c0149725>] page_referenced_anon+0x15/0x80
[<c01498ba>] page_referenced+0x7a/0x80
[<c0141635>] refill_inactive_zone+0x435/0x4b0
[<c01408a3>] shrink_slab+0x143/0x160
[<c0141728>] shrink_zone+0x78/0xc0
[<c0141b7a>] balance_pgdat+0x23a/0x2f0
[<c0141ced>] kswapd+0xbd/0xf0
[<c012c140>] autoremove_wake_function+0x0/0x50
[<c01056d2>] ret_from_fork+0x6/0x14
[<c012c140>] autoremove_wake_function+0x0/0x50
[<c0141c30>] kswapd+0x0/0xf0
[<c0103a2d>] kernel_thread_helper+0x5/0x18

Config is as before, with highmem enabled being the only difference.
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