Messages in this thread | | | Date | Fri, 18 Jul 2003 22:25:25 -0400 | From | Christian Mautner <> | Subject | kernel BUG at kernel/timer.c:380! |
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I have a very reproducible problem with 2.6.0-test1. The system is a fairly recent installation of Debian Sarge.
Linux version 2.6.0-test1 (chm@data) (gcc version 3.3.1 20030626 (Debian prerelease)) #1 Thu Jul 17 18:03:58 EDT 2003
The hardware is a VIA board. Can't tell what exactly it is, it's not mine. I have no manual.
vendor_id : CentaurHauls cpu family : 6 model : 7 model name : VIA Ezra stepping : 8 cpu MHz : 665.148
eth0, eth1, eth2: RealTek RTL8139 Fast Ethernet (8139too.c)
I am experimenting with the ethernet bridging code. I do:
% brctl addbr br0 % brctl stp br0 off % brctl addif br0 eth1 % brctl addif br0 eth2 % % ifconfig eth1 up % ifconfig eth2 up % ifconfig br0 up
At which point the kernel tells me:
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kernel BUG at kernel/timer.c:380! invalid operand: 0000 [#1] CPU: 0 EIP: 0060:[<c0126c6a>] Not tainted EFLAGS: 00010007 EIP is at cascade+0x3e/0x48 eax: cc171074 ebx: cc171074 ecx: 00048600 edx: cf757e98 esi: c02fb850 edi: c02fb000 ebp: c035ff28 esp: c035ff1c ds: 007b es: 007b ss: 0068 Process swapper (pid: 0, threadinfo=c035e000 task=c02f8420) Stack: 00000000 c0396608 c035e000 c035ff58 c012736e c02fb000 c02fb820 00000006 c02f9ec0 c035ff40 c035ff40 c035ff68 00000001 c0396608 fffffffd c035ff74 c012283b c0396608 00000046 c035e000 c035e000 00000002 c035ff94 c010d6b1 Call Trace: [<c012736e>] run_timer_softirq+0x316/0x3c8 [<c012283b>] do_softirq+0x9f/0xa4 [<c010d6b1>] do_IRQ+0x221/0x328 [<c0108a2c>] default_idle+0x0/0x30 [<c0105000>] _stext+0x0/0xd0 [<c010bbd4>] common_interrupt+0x18/0x20 [<c0108a2c>] default_idle+0x0/0x30 [<c0105000>] _stext+0x0/0xd0 [<c0108a52>] default_idle+0x26/0x30 [<c0108abd>] cpu_idle+0x29/0x3c [<c03606b1>] start_kernel+0x1c5/0x224
Code: 0f 0b 7c 01 07 dd 2c c0 eb d7 0f bf 05 36 c0 2f c0 55 03 05 <0>Kernel panic: Fatal exception in interrupt In interrupt handler - not syncing
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If I do the steps mentioned above in different order, e.g. ifconfig eth[12] up first, then it might not happen. But if I do it exactly as said, the bug happens reliably.
The .config is available at http://66.11.173.144/tmp/config-2.6.0-test1 everything else on request.
chm.
-- christian mautner -- chm bei istop punkt com -- ottawa, canada - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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