linux-kernel - Re: [2.6.21.1] OOPS in timer stats code

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Message-ID: <6bffcb0e0705150433o95c801eo4818a9f36e5bb770@mail.gmail.com>
Date:	Tue, 15 May 2007 13:33:52 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Folkert van Heusden" <folkert@...heusden.com>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6.21.1] OOPS in timer stats code

[Adding Thomas to CC]

On 15/05/07, Folkert van Heusden <folkert@...heusden.com> wrote:
> Hi,
>
> After an uptime of, say, 4 hours I got an oops on my P4 with HT and 2GB ram.
> It has dynamic ticks enabled as well has timer stats. I cannot reboot the
> machine to give more details right now (19:00 gmt+1 i can).
>
> For now, this is the oops:
>
> [13092.479019] BUG: unable to handle kernel paging request at virtual
> address b9d0458f
> [13092.479115]  printing eip:
> [13092.479160] c10388a8
> [13092.479202] *pde = 00000000
> [13092.479246] Oops: 0000 [#1]
> [13092.479290] SMP
> [13092.479401] Modules linked in: wcfxo zaptel tuner tvaudio bttv
> video_buf ir_common i2c_algo_bit btcx_risc tveeprom pl2303 pwc usbserial
> nfs plusb w83627hf hwmon_vid usbnet snd_pcm_oss eeprom snd_mixer_oss
> i2c_isa i2c_core snd_intel8x0 snd_ac97_codec snd_pcm sd_mod snd_timer
> scsi_mod snd ide_cd soundcore snd_page_alloc cdrom ac97_bus parport_pc
> parport microcode firmware_class netconsole nfsd exportfs lockd sunrpc
> ipt_owner ip6table_filter ip6_tables ipv6 ipt_recent xt_limit xt_state
> act_police sch_ingress cls_u32 sch_sfq sch_cbq ipt_REJECT ipt_MASQUERADE
> ipt_TOS xt_tcpudp iptable_mangle iptable_filter rtl8150 e1000 3c59x mii
> iptable_nat ip_tables nf_nat nf_conntrack_ipv4 nf_conntrack nfnetlink
> x_tables capability commoncap ppp_deflate zlib_deflate zlib_inflate
> ppp_async crc_ccitt ppp_generic slip slhc genrtc rd
> [13092.483367] CPU:    1
> [13092.483368] EIP:    0060:[<c10388a8>]    Not tainted VLI
> [13092.483370] EFLAGS: 00010046   (2.6.21.1test #1)
> [13092.483511] EIP is at match_entries+0xb/0x38
> [13092.483558] eax: c25f9a80   ebx: 00000000   ecx: b9d0458b   edx: f039aec8
> [13092.483610] esi: f039aec8   edi: c25f99a0   ebp: f039aea0   esp: f039ae9c
> [13092.483660] ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
> [13092.483712] Process einstein_S5R2_4 (pid: 12710, ti=f039a000
> task=f7c32a70 task.ti=f039a000)
> [13092.483760] Stack: b9d0458b f039aec0 c1038911 c12109e9 c12ffe10
> c25f9ab0 00000096 c25f9b04
> [13092.484181]        c25f99a0 f039af50 c10389ec c120e6eb c25f9a80
> c10383ec c10385f0 00000000
> [13092.484581]        00000000 c1495c78 00000000 00000000 c13f7230
> 00000001 f7c32fb8 c13f87c0
> [13092.484988] Call Trace:
> [13092.485105]  [<c1004d53>] show_trace_log_lvl+0x1a/0x30
> [13092.485220]  [<c1004e0a>] show_stack_log_lvl+0x8d/0xaa
> [13092.485336]  [<c1005044>] show_registers+0x1cd/0x2cb
> [13092.485457]  [<c10052a1>] die+0x11b/0x227
> [13092.485578]  [<c1212aef>] do_page_fault+0x319/0x57a
> [13092.485698]  [<c12110cc>] error_code+0x7c/0x84
> [13092.485813]  [<c1038911>] tstat_lookup+0x3c/0xc9
> [13092.485928]  [<c10389ec>] timer_stats_update_stats+0x4e/0x6f
> [13092.486041]  [<c1033d5d>] hrtimer_interrupt+0x184/0x1e3
> [13092.486156]  [<c100e9e2>] local_apic_timer_interrupt+0x55/0x5b
> [13092.486272]  [<c100ea12>] smp_apic_timer_interrupt+0x2a/0x39
> [13092.486390]  [<c1004a3f>] apic_timer_interrupt+0x33/0x38
> [13092.486510]  =======================
> [13092.486575] Code: 3d ff 03 00 00 89 e5 77 13 89 c2 83 c0 01 c1 e2 07 a3
> 98 2c 37 c1 81 c2 00 2d 37 c1 89 d0 5d c3 55 89 c1 8b 42 04 89 e5 53 31 db
> <39> 41 04 74 05 89 d8 5b 5d c3 8b 42 08 39 41 08 75 f3 8b 42 0c
> [13092.489766] EIP: [<c10388a8>] match_entries+0xb/0x38 SS:ESP 0068:f039ae9c
> [13092.489901] Kernel panic - not syncing: Fatal exception in interrupt
> [13092.489951] BUG: at arch/i386/kernel/smp.c:546 smp_call_function()
> [13092.490003]  [<c1004d53>] show_trace_log_lvl+0x1a/0x30
> [13092.490091]  [<c1004d7b>] show_trace+0x12/0x14
> [13092.490178]  [<c1004e75>] dump_stack+0x16/0x18
> [13092.490267]  [<c100df63>] smp_call_function+0x10f/0x114
> [13092.490367]  [<c100dfb9>] smp_send_stop+0x1e/0x31
> [13092.490454]  [<c101ca83>] panic+0x50/0xf5
> [13092.490548]  [<c100539e>] die+0x218/0x227
> [13092.490640]  [<c1212aef>] do_page_fault+0x319/0x57a
> [13092.490738]  [<c12110cc>] error_code+0x7c/0x84
> [13092.490827]  [<c1038911>] tstat_lookup+0x3c/0xc9
> [13092.490914]  [<c10389ec>] timer_stats_update_stats+0x4e/0x6f
> [13092.491012]  [<c1033d5d>] hrtimer_interrupt+0x184/0x1e3
> [13092.491113]  [<c100e9e2>] local_apic_timer_interrupt+0x55/0x5b
> [13092.491201]  [<c100ea12>] smp_apic_timer_interrupt+0x2a/0x39
> [13092.491289]  [<c1004a3f>] apic_timer_interrupt+0x33/0x38
> [13092.491381]  =======================
>

Added to KR as "OOPS in timer stats code"
http://kernelnewbies.org/known_regressions

Regards,
Michal

-- 
Michal K. K. Piotrowski
Kernel Monkeys
(http://kernel.wikidot.com/start)
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