From: Peter Zijlstra <peterz@infradead.org>
To: Mike Galbraith <efault@gmx.de>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Oleg Nesterov <oleg@redhat.com>,
Miklos Szeredi <miklos@szeredi.hu>
Subject: Re: rt14: strace -> migrate_disable_atomic imbalance
Date: Wed, 21 Sep 2011 19:01:12 +0200 [thread overview]
Message-ID: <1316624472.24750.32.camel@twins> (raw)
In-Reply-To: <1316600230.6628.6.camel@marge.simson.net>
On Wed, 2011-09-21 at 12:17 +0200, Mike Galbraith wrote:
> [ 144.212272] ------------[ cut here ]------------
> [ 144.212280] WARNING: at kernel/sched.c:6152 migrate_disable+0x1b6/0x200()
> [ 144.212282] Hardware name: MS-7502
> [ 144.212283] Modules linked in: snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device edd nfsd lockd parport_pc parport nfs_acl auth_rpcgss sunrpc bridge ipv6 stp cpufreq_conservative microcode cpufreq_ondemand cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf nls_iso8859_1 nls_cp437 vfat fat fuse ext3 jbd dm_mod usbmouse usb_storage usbhid snd_hda_codec_realtek usb_libusual uas sr_mod cdrom hid snd_hda_intel e1000e snd_hda_codec kvm_intel snd_hwdep sg snd_pcm kvm i2c_i801 snd_timer snd firewire_ohci firewire_core soundcore snd_page_alloc crc_itu_t button ext4 mbcache jbd2 crc16 uhci_hcd sd_mod ehci_hcd usbcore rtc_cmos ahci libahci libata scsi_mod fan processor thermal
> [ 144.212317] Pid: 6215, comm: strace Not tainted 3.0.4-rt14 #2052
> [ 144.212319] Call Trace:
> [ 144.212323] [<ffffffff8104662f>] warn_slowpath_common+0x7f/0xc0
> [ 144.212326] [<ffffffff8104668a>] warn_slowpath_null+0x1a/0x20
> [ 144.212328] [<ffffffff8103f606>] migrate_disable+0x1b6/0x200
> [ 144.212331] [<ffffffff8105a2a8>] ptrace_stop+0x128/0x240
> [ 144.212334] [<ffffffff81057b9b>] ? recalc_sigpending+0x1b/0x50
> [ 144.212337] [<ffffffff8105b6f1>] get_signal_to_deliver+0x211/0x530
> [ 144.212340] [<ffffffff81001835>] do_signal+0x75/0x7a0
> [ 144.212342] [<ffffffff8105ae68>] ? kill_pid_info+0x58/0x80
> [ 144.212344] [<ffffffff8105c34c>] ? sys_kill+0xac/0x1e0
> [ 144.212347] [<ffffffff81001fe5>] do_notify_resume+0x65/0x80
> [ 144.212350] [<ffffffff8135978b>] int_signal+0x12/0x17
> [ 144.212352] ---[ end trace 0000000000000002 ]---
Right, that's because of
53da1d9456fe7f87a920a78fdbdcf1225d197cb7, I think we simply want a full
revert of that for -rt.
next prev parent reply other threads:[~2011-09-21 17:01 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-10 9:12 [ANNOUNCE] 3.0.4-rt13 Thomas Gleixner
2011-09-10 14:53 ` Madovsky
2011-09-10 17:27 ` Rolando Martins
2011-09-11 10:35 ` Mike Galbraith
2011-09-11 10:35 ` Mike Galbraith
2011-09-11 17:01 ` Mike Galbraith
2011-09-12 7:24 ` Thomas Gleixner
2011-09-12 8:59 ` Peter Zijlstra
2011-09-12 9:05 ` Mike Galbraith
2011-09-12 13:52 ` Mike Galbraith
2011-09-12 14:53 ` Mike Galbraith
2011-09-13 13:36 ` Peter Zijlstra
2011-09-13 15:17 ` Mike Galbraith
2011-09-13 15:08 ` Peter Zijlstra
2011-09-13 15:28 ` Mike Galbraith
2011-09-13 16:13 ` Peter Zijlstra
2011-09-21 10:17 ` rt14: strace -> migrate_disable_atomic imbalance Mike Galbraith
2011-09-21 17:01 ` Peter Zijlstra [this message]
2011-09-21 18:50 ` Peter Zijlstra
2011-09-21 18:50 ` Peter Zijlstra
2011-09-22 4:46 ` Mike Galbraith
2011-09-22 6:31 ` Peter Zijlstra
2011-09-22 8:38 ` Peter Zijlstra
2011-09-22 10:00 ` Peter Zijlstra
2011-09-22 10:00 ` Peter Zijlstra
2011-09-22 11:55 ` Mike Galbraith
2011-09-22 12:09 ` Peter Zijlstra
2011-09-22 13:42 ` Mike Galbraith
2011-09-22 14:05 ` Mike Galbraith
2011-09-22 15:20 ` Peter Zijlstra
2011-09-22 14:34 ` Peter Zijlstra
2011-09-22 14:38 ` Mike Galbraith
2011-09-22 14:41 ` Mike Galbraith
2011-09-22 14:41 ` Peter Zijlstra
2011-09-22 14:46 ` Mike Galbraith
2011-09-22 14:46 ` Mike Galbraith
2011-09-22 11:31 ` Peter Zijlstra
2011-09-22 11:46 ` Peter Zijlstra
2011-09-22 11:46 ` Peter Zijlstra
2011-09-22 14:52 ` Oleg Nesterov
2011-09-22 15:13 ` Peter Zijlstra
2011-09-14 9:57 ` [PATCH -rt] ipc/sem: Rework semaphore wakeups Peter Zijlstra
2011-09-14 13:02 ` Mike Galbraith
2011-09-14 18:48 ` Manfred Spraul
2011-09-14 19:23 ` Peter Zijlstra
2011-09-15 17:04 ` Manfred Spraul
2011-09-12 10:04 ` [ANNOUNCE] 3.0.4-rt13 Peter Zijlstra
2011-09-12 11:33 ` Mike Galbraith
2011-09-11 18:14 ` Mike Galbraith
2011-09-12 7:33 ` Thomas Gleixner
2011-09-12 8:05 ` Mike Galbraith
2011-09-12 8:43 ` Mike Galbraith
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