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From: Parag Warudkar <kernel-stuff@comcast.net>
To: linux-kernel@vger.kernel.org
Subject: Re: v2.6.20-rt1, yum/rpm
Date: Mon, 5 Feb 2007 15:17:14 +0000 (UTC)	[thread overview]
Message-ID: <loom.20070205T161518-353@post.gmane.org> (raw)
In-Reply-To: <20070205065636.GA1652@elte.hu>

Ingo Molnar <mingo <at> elte.hu> writes:

> 
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the 
> usual place:
> 
>   http://redhat.com/~mingo/realtime-preempt/
> 
> more info about the -rt patchset can be found in the RT wiki:
> 
>   http://rt.wiki.kernel.org
> 

On FC6 with KVM userspace from trunk I get a ton of errors like this in dmesg -

=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<f90ecc48>] .... vmx_vcpu_load+0x26/0xd2 [kvm_intel]
.....[<f90b0a1c>] ..   ( <= vcpu_load+0x38/0x3c [kvm])

BUG: sleeping function called from invalid context qemu(4314) at
arch/i386/mm/highmem.c:8
in_atomic():1 [00000001], irqs_disabled():0
 [<c010503c>] dump_trace+0x63/0x1e8
 [<c01051dd>] show_trace_log_lvl+0x1c/0x39
 [<c01055d4>] show_trace+0x12/0x14
 [<c01055ea>] dump_stack+0x14/0x16
 [<c0122b71>] __might_sleep+0x110/0x117
 [<c012161b>] kmap+0x3e/0x48
 [<f90b415e>] paging32_walk_addr+0x214/0x276 [kvm]
 [<f90b4f08>] paging32_page_fault+0x51/0x749 [kvm]
 [<f90ede01>] handle_exception+0xeb/0x1da [kvm_intel]
 [<f90edc8a>] kvm_vmx_return+0x169/0x1f5 [kvm_intel]
 [<f90b108a>] kvm_dev_ioctl+0x284/0x1148 [kvm]
 [<c0189db9>] do_ioctl+0x21/0x66
 [<c018a053>] vfs_ioctl+0x255/0x268
 [<c018a0ae>] sys_ioctl+0x48/0x62
 [<c0104009>] syscall_call+0x7/0xb
 [<009858b2>] 0x9858b2
 =======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<f90ecc48>] .... vmx_vcpu_load+0x26/0xd2 [kvm_intel]
.....[<f90b0a1c>] ..   ( <= vcpu_load+0x38/0x3c [kvm])

BUG: sleeping function called from invalid context qemu(4314) at
arch/i386/mm/highmem.c:8
in_atomic():1 [00000001], irqs_disabled():0
 [<c010503c>] dump_trace+0x63/0x1e8
 [<c01051dd>] show_trace_log_lvl+0x1c/0x39
 [<c01055d4>] show_trace+0x12/0x14
 [<c01055ea>] dump_stack+0x14/0x16
 [<c0122b71>] __might_sleep+0x110/0x117
 [<c012161b>] kmap+0x3e/0x48
 [<f90b415e>] paging32_walk_addr+0x214/0x276 [kvm]
 [<f90b4f08>] paging32_page_fault+0x51/0x749 [kvm]
 [<f90ede01>] handle_exception+0xeb/0x1da [kvm_intel]
 [<f90edc8a>] kvm_vmx_return+0x169/0x1f5 [kvm_intel]
 [<f90b108a>] kvm_dev_ioctl+0x284/0x1148 [kvm]
 [<c0189db9>] do_ioctl+0x21/0x66
 [<c018a053>] vfs_ioctl+0x255/0x268
 [<c018a0ae>] sys_ioctl+0x48/0x62
 [<c0104009>] syscall_call+0x7/0xb
 [<009858b2>] 0x9858b2
 =======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<f90ecc48>] .... vmx_vcpu_load+0x26/0xd2 [kvm_intel]
.....[<f90b0a1c>] ..   ( <= vcpu_load+0x38/0x3c [kvm])



  parent reply	other threads:[~2007-02-05 15:17 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-05  6:56 Ingo Molnar
2007-02-05  9:18 ` Serge Belyshev
2007-02-05  9:02   ` Ingo Molnar
2007-02-05 10:36 ` Sunil Naidu
2007-02-05 10:42   ` Peter Zijlstra
2007-02-05 10:22     ` Ingo Molnar
2007-02-05 11:15     ` Sunil Naidu
2007-02-05 12:59 ` Michal Piotrowski
2007-02-05 13:47   ` Ingo Molnar
2007-02-05 21:29     ` Michal Piotrowski
2007-02-05 14:25 ` Karsten Wiese
2007-02-05 15:17 ` Parag Warudkar [this message]
2007-02-05 21:50 ` Michal Piotrowski
2007-02-06  0:11 ` Michal Piotrowski
2007-02-06  1:14 ` Daniel Walker
2007-02-06 10:10 ` Arjan van de Ven
2007-02-07 12:32   ` Ingo Molnar
2007-02-06 10:30 ` Sunil Naidu
2007-02-27 17:39 ` K.R. Foley
2007-02-28  8:11   ` Ingo Molnar
2007-02-28 10:16     ` K.R. Foley
2007-04-26 13:57 ` v2.6.21-rt1 Ingo Molnar
2007-04-26 20:53   ` v2.6.21-rt1 Free Ekanayaka
2007-05-03 19:16   ` v2.6.21-rt1 - bug in asm-mips/atomic.h Tim Bird
2007-05-03 19:35     ` v2.6.21-rt1 - mips compile bugs Tim Bird
2007-05-17 18:46   ` v2.6.21-rt1 emin ak
2007-02-05 15:06 v2.6.20-rt1, yum/rpm Milan Svoboda

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