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SubjectRe: [patch 2.6.12-rc1-mm4] fork_connector: add a fork connector
BTW, when it happened last time, my program listening to the socket
complained about duplicate messages received.

Unmatched seq. Rcvd=1824062, expected=1824061 <===
Unmatched seq. Rcvd=1824062, expected=1824063 <===
Unmatched seq. Rcvd=1824348, expected=1824307

When my program received 1824062 while expecting 1824061
it adjusted itself to expect the next one being 1824063. But instead
the message of 1824062 arrived the second time.

- jay


Jay Lan wrote:

> Hi Evgeniy,
>
> Should i be concerned about this bugcheck?
>
> I have seen this happening a number of times, all with the same signature
> in my testing. I ran a mix of AIM7, ubench, fork-test (continuously
> fork new
> processes), and another program reading from the fork connector socket.
>
> Thanks,
> - jay
>
>
>
> cqueue/1[656]: bugcheck! 0 [1]
> Modules linked in: nfs lockd sunrpc sg st sr_mod ipv6 usbcore
>
> Pid: 656, CPU 1, comm: cqueue/1
> psr : 00001010085a6010 ifs : 8000000000000289 ip :
> [<a0000001005cee50>] Not tainted
> ip is at __kfree_skb+0x1b0/0x220
> unat: 0000000000000000 pfs : 0000000000000289 rsc : 0000000000000003
> rnat: 0000000000000000 bsps: 0000000000000000 pr : 0000000000009641
> ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
> csd : 0000000000000000 ssd : 0000000000000000
> b0 : a0000001005cee50 b6 : a00000010000e7e0 b7 : a0000001003ae440
> f6 : 0fffbccccccccc8c00000 f7 : 0ffdaa200000000000000
> f8 : 100008000000000000000 f9 : 10002a000000000000000
> f10 : 0fffcccccccccc8c00000 f11 : 1003e0000000000000000
> r1 : a000000100c0ec00 r2 : 0000000000004000 r3 : 0000000000004000
> r8 : 0000000000000028 r9 : a0000001008eaac8 r10 : 0000000000000004
> r11 : 0000000000000028 r12 : e00000307a99fd60 r13 : e00000307a998000
> r14 : a000000100887c00 r15 : a000000100a24b18 r16 : a000000100a22e18
> r17 : ffffffffffffffff r18 : a000000100887bec r19 : a000000100a9080f
> r20 : 0000000000003517 r21 : 00000000000fffff r22 : 0000000000000034
> r23 : 0000000000000034 r24 : a000000100a90810 r25 : 0000000000003518
> r26 : 0000000000003518 r27 : 00000010085a6010 r28 : a000000100a90811
> r29 : 0000000000003519 r30 : 0000000000000000 r31 : a000000100a24ae8
>
> Call Trace:
> [<a0000001000126a0>] show_stack+0x80/0xa0
> sp=e00000307a99f920 bsp=e00000307a999078
> [<a000000100012f00>] show_regs+0x840/0x880
> sp=e00000307a99faf0 bsp=e00000307a999018
> [<a000000100034890>] die+0x150/0x1c0
> sp=e00000307a99fb00 bsp=e00000307a998fd0
> [<a000000100034940>] die_if_kernel+0x40/0x60
> sp=e00000307a99fb00 bsp=e00000307a998fa0
> [<a000000100035d20>] ia64_bad_break+0x300/0x380
> sp=e00000307a99fb00 bsp=e00000307a998f78
> [<a00000010000b5e0>] ia64_leave_kernel+0x0/0x280
> sp=e00000307a99fb90 bsp=e00000307a998f78
> [<a0000001005cee50>] __kfree_skb+0x1b0/0x220
> sp=e00000307a99fd60 bsp=e00000307a998f30
> [<a00000010044f630>] kfree_skb+0x50/0xa0
> sp=e00000307a99fd60 bsp=e00000307a998f10
> [<a00000010044e400>] cn_queue_wrapper+0xe0/0x100
> sp=e00000307a99fd60 bsp=e00000307a998ee8
> [<a0000001000cb880>] worker_thread+0x3e0/0x520
> sp=e00000307a99fd60 bsp=e00000307a998e60
> [<a0000001000d7210>] kthread+0x290/0x300
> sp=e00000307a99fdd0 bsp=e00000307a998e20
> [<a000000100010a00>] kernel_thread_helper+0xe0/0x100
> sp=e00000307a99fe30 bsp=e00000307a998df0
> [<a000000100009120>] start_kernel_thread+0x20/0x40
> sp=e00000307a99fe30 bsp=e00000307a998df0
>
>
>

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