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[Bug runtime/6481] New: timers: stp_time_timer_callback calls mod_timer with interrupts disabled
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 5 May 2008 17:00:11 -0000
- Subject: [Bug runtime/6481] New: timers: stp_time_timer_callback calls mod_timer with interrupts disabled
- Reply-to: sourceware-bugzilla at sourceware dot org
preempt-rt complains thusly:
May 5 11:45:23 rhelrt-3 kernel: BUG: scheduling with irqs disabled:
sirq-timer/1/0x00000000/19
May 5 11:45:23 rhelrt-3 kernel: caller is rt_spin_lock_slowlock+0x103/0x1a5
May 5 11:45:23 rhelrt-3 kernel: Pid: 19, comm: sirq-timer/1 Not tainted
2.6.24.4-48.el5rt #1
May 5 11:45:23 rhelrt-3 kernel:
May 5 11:45:23 rhelrt-3 kernel: Call Trace:
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff81287530>] schedule+0x82/0xff
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff81287faf>]
rt_spin_lock_slowlock+0x103/0x1a5
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff81031aa5>] ?
update_rt_migration+0x18/0x99
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff81288db0>] __rt_spin_lock+0x4d/0x4f
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff81288dbb>] rt_spin_lock+0x9/0xb
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff81045e20>] lock_timer_base+0x26/0x4b
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff8104675e>] __mod_timer+0x3a/0xdf
May 5 11:45:23 rhelrt-3 kernel: [<ffffffff810469e1>] mod_timer+0x3d/0x42
May 5 11:45:24 rhelrt-3 kernel: [<ffffffff882e1a91>]
:stap_13c52a625a2bd38d37d461331df0cf23_2382:__stp_time_timer_callback+0x98/0
--
Summary: timers: stp_time_timer_callback calls mod_timer with
interrupts disabled
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: fche at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=6481
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