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Date: Sun, 21 Jun 2009 22:13:21 +0200 From: Maciej Rutecki <maciej.rutecki@...il.com> To: Andi Kleen <ak@...ux.intel.com> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "H. Peter Anvin" <hpa@...or.com>, seto.hidetoshi@...fujitsu.com, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: 2.6.30-git(16 and 17) system hangs after resume from suspend to disk, mce related? 2009/6/21 Andi Kleen <ak@...ux.intel.com>: > I assume it runs stable for hours without resume from disk? I only test for 40 minutes. latest git hangs 4-5 minutes after resume from s2disk > And you made sure you don't use stale data from > a different kernel for resume from disk? I'm sure > > It is strange that resume from disk affects machine check. > How is your resume setup? You ask about "resume" kernel option? maciek@...m:~$ cat /proc/cmdline root=/dev/sda2 ro resume=/dev/sda3 selinux=0 > Do you have any init scripts that change machine check state > before the resume from disk runs? No. I use default Debian instalation. I use this script, to do s2disk: #!/bin/sh umount /mnt/vista umount /mnt/drugi governor0=`cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor` governor1=`cat /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor` f_min_0=`cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq` f_min_1=`cat /sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq` f_max_0=`cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq` f_max_1=`cat /sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq` #rmmod snd_hda_intel sync hdparm -F /dev/sda hdparm -F /dev/sdb sleep 1 # hibernate echo -n platform > /sys/power/disk echo -n disk > /sys/power/state echo $governor0 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo $governor1 > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor echo $f_min_0 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq echo $f_min_1 > /sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq echo $f_max_0 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq echo $f_max_1 > /sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq #modprobe snd_hda_intel model=3stack-dig sleep 1 /etc/init.d/hdparm restart mount /mnt/vista mount /mnt/drugi > > I assume you have CONFIG_X86_NEW_MCE enabled, correct? maciek@...m:~$ cat /boot/config-2.6.30-git17 | grep MCE CONFIG_X86_MCE=y # CONFIG_X86_OLD_MCE is not set CONFIG_X86_NEW_MCE=y CONFIG_X86_MCE_INTEL=y # CONFIG_X86_MCE_AMD is not set # CONFIG_X86_ANCIENT_MCE is not set CONFIG_X86_MCE_THRESHOLD=y CONFIG_X86_MCE_INJECT=m > Does it still happen with CONFIG_X86_OLD_MCE instead? I will check tomorrow. > > Also a "a few minutes" suggest something might be going wrong > with the poll handler. Does the problem still happen > with you use CONFIG_X86_NEW_MCE again, but before > resume do > > echo 0 > /sys/device/system/machinecheck/machinecheck0/check_interval > > On the other hand you should get a crash very fast with > > echo 1 > /sys/device/system/machinecheck/machinecheck0/check_interval I didn't instructions from above, but I found something else. After normal boot I try: echo 1 > /sys/devices/system/machinecheck/machinecheck0/check_interval I I found this in dmesg: [ 141.704025] ------------[ cut here ]------------ [ 141.704039] WARNING: at arch/x86/kernel/cpu/mcheck/mce.c:1102 mcheck_timer+0xf5/0x100() [ 141.704044] Hardware name: G31M-S2L [ 141.704047] Modules linked in: i915 drm i2c_algo_bit video backlight output ppdev lp rfcomm l2cap xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables fuse dm_crypt dm_mod coretemp it87 hwmon_vid loop usbhid hid btusb bluetooth snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd uhci_hcd ehci_hcd soundcore parport_pc parport psmouse r8169 usbcore 8139too 8139cp mii i2c_i801 button rtc_cmos rtc_core rtc_lib snd_page_alloc intel_agp agpgart evdev [ 141.704139] Pid: 0, comm: swapper Not tainted 2.6.30-git17 #1 [ 141.704143] Call Trace: [ 141.704152] [<c039382c>] ? printk+0x18/0x1c [ 141.704158] [<c010f715>] ? mcheck_timer+0xf5/0x100 [ 141.704165] [<c013212c>] warn_slowpath_common+0x6c/0xc0 [ 141.704170] [<c010f715>] ? mcheck_timer+0xf5/0x100 [ 141.704176] [<c0132195>] warn_slowpath_null+0x15/0x20 [ 141.704182] [<c010f715>] mcheck_timer+0xf5/0x100 [ 141.704188] [<c013b99d>] run_timer_softirq+0x12d/0x1f0 [ 141.704194] [<c010f620>] ? mcheck_timer+0x0/0x100 [ 141.704199] [<c010f620>] ? mcheck_timer+0x0/0x100 [ 141.704206] [<c01372da>] __do_softirq+0x9a/0x130 [ 141.704212] [<c014b0ce>] ? hrtimer_interrupt+0xde/0x230 [ 141.704217] [<c039642f>] ? _spin_unlock+0xf/0x30 [ 141.704224] [<c01373a5>] do_softirq+0x35/0x40 [ 141.704229] [<c01375ad>] irq_exit+0x6d/0x90 [ 141.704235] [<c01167e8>] smp_apic_timer_interrupt+0x58/0x90 [ 141.704241] [<c0103856>] apic_timer_interrupt+0x2a/0x30 [ 141.704248] [<c010a662>] ? mwait_idle+0x62/0x70 [ 141.704253] [<c0101ee5>] cpu_idle+0x55/0x90 [ 141.704259] [<c0390b0b>] start_secondary+0x184/0x1f9 [ 141.704264] ---[ end trace 54c5f0d77c70ea21 ]--- [ 142.701022] ------------[ cut here ]------------ [ 142.701036] WARNING: at arch/x86/kernel/cpu/mcheck/mce.c:1102 mcheck_timer+0xf5/0x100() [ 142.701041] Hardware name: G31M-S2L [ 142.701044] Modules linked in: i915 drm i2c_algo_bit video backlight output ppdev lp rfcomm l2cap xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables fuse dm_crypt dm_mod coretemp it87 hwmon_vid loop usbhid hid btusb bluetooth snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd uhci_hcd ehci_hcd soundcore parport_pc parport psmouse r8169 usbcore 8139too 8139cp mii i2c_i801 button rtc_cmos rtc_core rtc_lib snd_page_alloc intel_agpagpgart evdev [ 142.701138] Pid: 0, comm: swapper Tainted: G W 2.6.30-git17 #1 [ 142.701142] Call Trace: [ 142.701151] [<c039382c>] ? printk+0x18/0x1c [ 142.701156] [<c010f715>] ? mcheck_timer+0xf5/0x100 [ 142.701163] [<c013212c>] warn_slowpath_common+0x6c/0xc0 [ 142.701169] [<c010f715>] ? mcheck_timer+0xf5/0x100 [ 142.701174] [<c0132195>] warn_slowpath_null+0x15/0x20 [ 142.701180] [<c010f715>] mcheck_timer+0xf5/0x100 [ 142.701186] [<c013b99d>] run_timer_softirq+0x12d/0x1f0 [ 142.701192] [<c010f620>] ? mcheck_timer+0x0/0x100 [ 142.701197] [<c010f620>] ? mcheck_timer+0x0/0x100 [ 142.701204] [<c01372da>] __do_softirq+0x9a/0x130 [ 142.701210] [<c014b0ce>] ? hrtimer_interrupt+0xde/0x230 [ 142.701216] [<c039642f>] ? _spin_unlock+0xf/0x30 [ 142.701222] [<c01373a5>] do_softirq+0x35/0x40 [ 142.701228] [<c01375ad>] irq_exit+0x6d/0x90 [ 142.701234] [<c01167e8>] smp_apic_timer_interrupt+0x58/0x90 [ 142.701240] [<c0103856>] apic_timer_interrupt+0x2a/0x30 [ 142.701247] [<c010a662>] ? mwait_idle+0x62/0x70 [ 142.701252] [<c0101ee5>] cpu_idle+0x55/0x90 [ 142.701258] [<c0390b0b>] start_secondary+0x184/0x1f9 [ 142.701264] ---[ end trace 54c5f0d77c70ea22 ]--- It's stop when I do echo 0... > Your dmesg also doesn't have anything related to resume from disk? Dmesg after resume, but before hangs: http://unixy.pl/maciek/download/kernel/2.6.30-git17/pc/dmesg-2.6.30-git17-after-resume.txt Nothing weird. > > Thanks, > > -Andi > Thanks for ansfer. -- Maciej Rutecki http://www.maciek.unixy.pl -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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