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Subject2.6.25-rc3-mm1 - BUG at system shutdown time
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On Tue, 04 Mar 2008 01:19:28 PST, Andrew Morton said:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25-rc3/2.6.25-rc3-mm1/

Dell Latitude D820, x86_64, Core2 Duo T7200

'shutdown -h' blows up at the very end. shutdown -r works OK. I caught this one
with netconsole. There's another, different, crash I've been seeing a bit
earlier in the shutdown -h as well, but I haven't been able to catch that one
yet...

[ 74.254402] CPU 1 is now offline
[ 74.255395] SMP alternatives: switching to UP code
[ 74.256373] BUG: unable to handle kernel paging request at ffffffff8020a023
[ 74.256373] IP: [<ffffffff80211872>] alternatives_smp_unlock+0x66/0x7b
[ 74.256373] PGD 203067 PUD 207063 PMD 7e4cc163 PTE 20a161
[ 74.256373] Oops: 0003 [1] PREEMPT SMP
[ 74.256373] last sysfs file: /sys/devices/virtual/block/dm-14/dev
[ 74.256373] CPU 0
[ 74.256373] Modules linked in: rtc sha256_generic aes_generic acpi_cpufreq tpm_tis arc4 ecb pcmcia iwl3945 iTCO_wdt ohci1394 firmware_class iTCO_vendor_support yenta_socket watchdog_core thermal rsrc_nonstatic mac80211 snd_hda_intel intel_agp watchdog_dev ieee1394 pcmcia_core processor button ac battery cfg80211
[ 74.256373] Pid: 1767, comm: halt Not tainted 2.6.25-rc3-mm1 #8
[ 74.256373] RIP: 0010:[<ffffffff80211872>] [<ffffffff80211872>] alternatives_smp_unlock+0x66/0x7b
[ 74.256373] RSP: 0018:ffff81007ac63d10 EFLAGS: 00010093
[ 74.256373] RAX: ffffffff80573190 RBX: ffff81007f83a8c0 RCX: ffffffff80563cec
[ 74.256373] RDX: ffffffff8020a023 RSI: ffffffff8078a0b8 RDI: ffffffff80783018
[ 74.256373] RBP: ffff81007ac63d28 R08: 0000000000000001 R09: ffffffff80563cec
[ 74.256373] R10: ffffffff80200000 R11: ffff81007ac63d1f R12: 0000000000000000
[ 74.256373] R13: 0000000000000001 R14: 0000000000000246 R15: ffff81007d156340
[ 74.256373] FS: 00007f2d0ab206f0(0000) GS:ffffffff8076e000(0000) knlGS:0000000000000000
[ 74.256373] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 74.256373] CR2: ffffffff8020a023 CR3: 000000007edf3000 CR4: 00000000000006e0
[ 74.256373] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 74.256373] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 74.256373] Process halt (pid: 1767, threadinfo ffff81007ac62000, task ffff81007db96300)
[ 74.256373] Stack: ffffffff8080df80 90ffffff8055ba3b ffff81007f83a8c0 ffff81007ac63d68
[ 74.256374] ffffffff80211a01 ffffffff807c6584 0000000000000001 ffffffff807c6584
[ 74.256374] 0000000000000001 0000000000000001 0000000000000001 ffff81007ac63d98
[ 74.256374] Call Trace:
[ 74.256374] [<ffffffff80211a01>] alternatives_smp_switch+0x17a/0x1b6
[ 74.256374] [<ffffffff80219dd3>] __cpu_die+0x58/0x87
[ 74.256374] [<ffffffff805498b2>] _cpu_down+0x1a4/0x28c
[ 74.256374] [<ffffffff80252e90>] disable_nonboot_cpus+0x60/0x108
[ 74.256374] [<ffffffff80241619>] kernel_power_off+0x21/0x3b
[ 74.256374] [<ffffffff80241863>] sys_reboot+0xf8/0x196
[ 74.256374] [<ffffffff8055b93f>] ? preempt_schedule+0x3c/0xaa
[ 74.256374] [<ffffffff8055b9a4>] ? preempt_schedule+0xa1/0xaa
[ 74.256374] [<ffffffff8023e7eb>] ? sys_kill+0xd8/0x1c1
[ 74.256374] [<ffffffff8055c112>] ? do_nanosleep+0x4b/0xd6
[ 74.256374] [<ffffffff8020c21b>] system_call_after_swapgs+0x7b/0x80
[ 74.256374]
[ 74.256374]
[ 74.256374] Code: 57 80 48 0f 42 d0 48 8b 42 08 4c 8d 5d f7 8a 00 41 b8 01 00 00 00 88 45 f7 eb 1b 48 8b 17 4c 39 d2 72 0f 4c 39 ca 77 0a 41 8a 03 <88> 02 44 89 c0 0f a2 48 83 c7 08 48 39 f7 72 e0 5a 59 5b c9 c3
[ 74.256374] RIP [<ffffffff80211872>] alternatives_smp_unlock+0x66/0x7b
[ 74.256374] RSP <ffff81007ac63d10>
[ 74.256374] CR2: ffffffff8020a023

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