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SubjectFrequent Oops on Shutdown 2.6.10
Hi, 
I compiled the 2.6.10 kernel with HyperThreading optimization (I'm running a
3.06 Ghz single Xeon processor with HT enabled). More or less, I'm running
Mandrake 10 Official, but with my own kernel. Can anybody help explain why I'm
getting this Oops on shutdown? It doesn't happen all the time -- about 50
percent of the time. Never happens with the 2.6.6 kernel. I configured the
2.6.10 kernel with mostly the same settings -- saying "no" to everything new,
except optimizing for P4/Xeon processor, enabling HT optimization, and NOT
enabling lots of "ham radio" and "ISDN" stuff that seemed to be enabled in the
Mandrake kernel.

Some relevant things about the machine:
Single Xeon 3.06 processor
2 GB ECC RAM
2x 3ware 9500S-8 SATA RAID Cards
16 SATA drives
2 built-in GigE ports on motherboard
2 Intel 1000 MT Server Adapters on each of the two 133 Mhz PCI-X slots

Here's the output from the Oops


*pde = 00000000
Oops: 0000 [#1]
SMP
Modules linked in: raid) appletalk xfs sd_mod sg sr_mod 3w_9xxx scsi_mod
nfsd exportfs ipv6 af_packet raw ide_floppy ide_tape ide_cd cdrom e1000 uhci_hcd
usbcore rtc ext3 jbd
CPU: 1
EIP: 0060:[<c018b600>] Not tainted VLI
EFLAGS: 00010246 (2.6.10es-feb06)
EIP is at remove_proc_entry+0x2a/0x166
eax: 00000000 ebx: f66a4e00 ecx: ffffffff edx: f6da1300
esi: f7cfb000 edi: 00000005 ebp: c2183eb4 esp: c2183e94
ds: 007b es: 007b ss: 0068
Process swapper (pid: 0, threadinfo=c2182000 task=c214e520)
Stack: c043402c c043402c 00000000 c2024980 00000005 f66a4e00 f7cfb000
00000000 c2183ec8 f8c4f051 00000005 f6da1300 f66a4e00 c2183ee8 f8c2cc7b f66a4e00
c2024980 00000002 00000000 f6da7e80 f6da6080 c2183f04 c0289967 f66a4e00
Call Trace:
[<c0103352>] show_stack+0xaf/0xb7
[<c01034d9>] show_registers+0x15f/0x1d2
[<c01036dd>] die+0xfa/0x180
[<c011365e>] do_page_fault+0x464/0x646
[<c0102fbf>] error_code+0x2b/0x30
[<f8c4f051>] snmp6_unregister_dev+0x41/0x57 [ipv6]
[<f8c2cc7b>] in6_dev_finish_destroy+0x35/0xb6 [ipv6]
[<c0289967>] dst_destroy+0xa2/0xcd
[<c028969a>] dst_run_gc+0x72/0xfb
[<c0123584>] run_timer_softirq+0xc4/0x185
[<c011f631>] __do_softirq+0x65/0xd3
[<c011f6d0>] do_softirq+0x31/0x33
[<c0102f18>] apic_timer_interrupt+0x1c/0x24
[<c0100747>] cpu_idle+0x31/0x3f
[<00000000>] 0x0
[<c2183fbc>] 0xc2183fbc
Code: e2 55 89 ef 83 ec 20 8b 55 0c 8b 4d 08 89 5d f4 85 d2 89 75 f8 89 7d
fc 89 4d f0 0f 84 b0 00 00 00 8b 7d f0 31 c0 b9 ff ff ff ff <f2> ae f7 d1 49
8b 42 34 8d 5a 34 85 c0 89 ce 0f 84 84 00 00 00
<0>Kernel panic – not syncing: Fatal exception in interrupt

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