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Message-Id: <200802231341.02597.fzu@wemgehoertderstaat.de>
Date: Sat, 23 Feb 2008 13:41:02 +0100
From: Karsten Wiese <fzu@...gehoertderstaat.de>
To: linux-kernel@...r.kernel.org,
Paul McKenney <paulmck@...ux.vnet.ibm.com>
Subject: 2.6.25-rc2 rcupreempt WARN after suspend to ram
Hi,
This appeared in dmesg after
$ echo core > /sys/power/pm_test
followed by 3 cycles of
$ echo mem > /sys/power/state
. .config attached.
dmesg excerpt (, full ~1MByte available):
[ 525.137575] SMP alternatives: switching to SMP code
[ 525.137591] Booting processor 1/2 APIC 0x1
[ 530.612383] Initializing CPU#1
[ 530.612383] Calibrating delay using timer specific routine.. 3990.37 BogoMIPS (lpj=7980742)
[ 530.612383] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 530.612383] CPU: L2 cache: 4096K
[ 530.612383] CPU: Physical Processor ID: 0
[ 530.612383] CPU: Processor Core ID: 1
[ 530.612383] Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz stepping 0a
[ 525.230956] CPU0 attaching sched-domain:
[ 525.230963] domain 0: span 3
[ 525.230966] groups: 1 2
[ 525.230974] CPU1 attaching sched-domain:
[ 525.230977] domain 0: span 3
[ 525.230981] groups: 2 1
[ 525.231945] CPU1 is up
[ 530.612400] Switched to high resolution mode on CPU 1
[ 530.612423] ------------[ cut here ]------------
[ 530.612428] WARNING: at /home/ka/q/kernel/linux-2.6./git/linux-2.6/kernel/rcupreempt.c:534 rcu_irq_exit+0xa3/0xa8()
[ 530.612432] Modules linked in: i915 drm ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge llc autofs4 sunrpc ipv6 acpi_cpufreq arc4 snd_hda_intel snd_seq_dummy pcmcia snd_seq_oss snd_seq_midi_event snd_seq fan ecb crypto_blkcipher snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer thermal snd_page_alloc snd_hwdep snd soundcore button battery processor iwl3945 mac80211 ac yenta_socket rsrc_nonstatic pcmcia_core iTCO_wdt iTCO_vendor_support pcspkr rtc_cmos serio_raw cfg80211 joydev tg3 sg sr_mod cdrom usb_storage ata_piix ahci libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode]
[ 530.612524] Pid: 0, comm: swapper Not tainted 2.6.25-rc2 #18
[ 530.612527]
[ 530.612529] Call Trace:
[ 530.612532] <IRQ> [<ffffffff81032f47>] warn_on_slowpath+0x58/0x6b
[ 530.612560] [<ffffffff81048940>] ? enqueue_hrtimer+0xe4/0xf2
[ 530.612571] [<ffffffff8104925f>] ? hrtimer_start+0x108/0x11a
[ 530.612591] [<ffffffff8106b95d>] rcu_irq_exit+0xa3/0xa8
[ 530.612600] [<ffffffff81038296>] irq_exit+0x83/0x94
[ 530.612607] [<ffffffff8101cc15>] smp_apic_timer_interrupt+0x3f/0x52
[ 530.612617] [<ffffffff8100cca6>] apic_timer_interrupt+0x66/0x70
[ 530.612621] <EOI> [<ffffffff881b08ee>] ? :processor:acpi_safe_halt+0x2b/0x3d
[ 530.612670] [<ffffffff881b0937>] ? :processor:acpi_idle_enter_c1+0x37/0x10a
[ 530.612688] [<ffffffff881b0aaf>] ? :processor:acpi_idle_enter_bm+0x43/0x2a3
[ 530.612703] [<ffffffff811c20da>] ? cpuidle_idle_call+0x70/0x9e
[ 530.612709] [<ffffffff811c206a>] ? cpuidle_idle_call+0x0/0x9e
[ 530.612717] [<ffffffff8100ae50>] ? cpu_idle+0x97/0xdf
[ 530.612727] [<ffffffff81255a7a>] ? start_secondary+0x3d2/0x3df
[ 530.612752]
[ 530.612755] ---[ end trace 0a4cc108f3488c17 ]---
[ 530.616384] ------------[ cut here ]------------
[ 530.616384] WARNING: at /home/ka/q/kernel/linux-2.6./git/linux-2.6/include/linux/rcupreempt.h:99 tick_nohz_restart_sched_tick+0x76/0x166()
[ 530.616384] Modules linked in: i915 drm ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge llc autofs4 sunrpc ipv6 acpi_cpufreq arc4 snd_hda_intel snd_seq_dummy pcmcia snd_seq_oss snd_seq_midi_event snd_seq fan ecb crypto_blkcipher snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer thermal snd_page_alloc snd_hwdep snd soundcore button battery processor iwl3945 mac80211 ac yenta_socket rsrc_nonstatic pcmcia_core iTCO_wdt iTCO_vendor_support pcspkr rtc_cmos serio_raw cfg80211 joydev tg3 sg sr_mod cdrom usb_storage ata_piix ahci libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode]
[ 530.616384] Pid: 0, comm: swapper Not tainted 2.6.25-rc2 #18
[ 530.616384]
[ 530.616384] Call Trace:
[ 530.616384] [<ffffffff81032f47>] warn_on_slowpath+0x58/0x6b
[ 530.616384] [<ffffffff8111a716>] ? __rb_erase_color+0xc3/0x18c
[ 530.616384] [<ffffffff8104af55>] ? getnstimeofday+0x31/0x88
[ 530.616384] [<ffffffff8104945e>] ? ktime_get_ts+0x46/0x4b
[ 530.616384] [<ffffffff81049474>] ? ktime_get+0x11/0x42
[ 530.616384] [<ffffffff8104edda>] tick_nohz_restart_sched_tick+0x76/0x166
[ 530.616384] [<ffffffff811c206a>] ? cpuidle_idle_call+0x0/0x9e
[ 530.616384] [<ffffffff8100ae70>] cpu_idle+0xb7/0xdf
[ 530.616384] [<ffffffff81255a7a>] start_secondary+0x3d2/0x3df
[ 530.616384]
[ 530.616384] ---[ end trace 0a4cc108f3488c17 ]---
[ 530.620401] ------------[ cut here ]------------
[ 530.620405] WARNING: at /home/ka/q/kernel/linux-2.6./git/linux-2.6/include/linux/rcupreempt.h:91 tick_nohz_stop_sched_tick+0x1cc/0x2b6()
[ 530.620410] Modules linked in: i915 drm ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge llc autofs4 sunrpc ipv6 acpi_cpufreq arc4 snd_hda_intel snd_seq_dummy pcmcia snd_seq_oss snd_seq_midi_event snd_seq fan ecb crypto_blkcipher snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer thermal snd_page_alloc snd_hwdep snd soundcore button battery processor iwl3945 mac80211 ac yenta_socket rsrc_nonstatic pcmcia_core iTCO_wdt iTCO_vendor_support pcspkr rtc_cmos serio_raw cfg80211 joydev tg3 sg sr_mod cdrom usb_storage ata_piix ahci libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode]
[ 530.620487] Pid: 0, comm: swapper Not tainted 2.6.25-rc2 #18
[ 530.620490]
[ 530.620491] Call Trace:
[ 530.620501] [<ffffffff81032f47>] warn_on_slowpath+0x58/0x6b
[ 530.620518] [<ffffffff810496db>] ? hrtimer_get_next_event+0xa3/0xb3
[ 530.620530] [<ffffffff8103c1fb>] ? cmp_next_hrtimer_event+0x16/0x87
[ 530.620542] [<ffffffff8103c2bb>] ? get_next_timer_interrupt+0x4f/0x5e
[ 530.620552] [<ffffffff8104ec7a>] tick_nohz_stop_sched_tick+0x1cc/0x2b6
[ 530.620564] [<ffffffff811c206a>] ? cpuidle_idle_call+0x0/0x9e
[ 530.620573] [<ffffffff8100add7>] cpu_idle+0x1e/0xdf
[ 530.620582] [<ffffffff81255a7a>] start_secondary+0x3d2/0x3df
[ 530.620606]
[ 530.620609] ---[ end trace 0a4cc108f3488c17 ]---
regards,
Karsten
View attachment ".config_x86_64" of type "text/plain" (52120 bytes)
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