Attachment 934364 Details for Bug 1138228 – under gdb, bt ful prints.

under gdb, bt ful prints.

gdb_bt_ful.txt (text/plain), 27.54 KB, created by Qian Guo on 2014-09-04 10:28:04 UTC

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Description:

Filename:

MIME Type:

Creator: Qian Guo

Created: 2014-09-04 10:28:04 UTC

Size: 27.54 KB

patch

obsolete

>(gdb) bt ful
>#0  0x00007ffff483c915 in raise () from /lib64/libc.so.6
>No symbol table info available.
>#1  0x00007ffff483e0f5 in abort () from /lib64/libc.so.6
>No symbol table info available.
>#2  0x00007ffff4835a3e in __assert_fail_base () from /lib64/libc.so.6
>No symbol table info available.
>#3  0x00007ffff4835b00 in __assert_fail () from /lib64/libc.so.6
>No symbol table info available.
>#4  0x00007ffff7dcab8e in virtio_net_flush_tx (n=0x7ffff9cdb920, 
>    vq=0x7ffff9ce7ab0) at /usr/src/debug/qemu-kvm-0.12.1.2/hw/virtio-net.c:814
>        elem = {index = 235, out_num = 2, in_num = 0, in_addr = {
>            0 <repeats 1024 times>}, out_addr = {3531001896, 3531220034, 
>            0 <repeats 1022 times>}, in_sg = {{iov_base = 0x0, 
>              iov_len = 0} <repeats 428 times>, {iov_base = 0x0, 
>              iov_len = 140737348980476}, {iov_base = 0x0, 
>              iov_len = 140737218452678}, {iov_base = 0x7ffff7cff608, 
>              iov_len = 140737348952706}, {iov_base = 0x2, 
>              iov_len = 140737348980476}, {iov_base = 0x2, 
>              iov_len = 140737260603194}, {iov_base = 0x7ffff7d05620, 
>              iov_len = 140737299215208}, {iov_base = 0x1f7d0aa10, 
>              iov_len = 4155592444}, {iov_base = 0x37e196e554, 
>              iov_len = 140737202284718}, {iov_base = 0x7ffff7cfc000, 
>              iov_len = 140737221046637}, {iov_base = 0x1f7cff608, 
>---Type <return> to continue, or q <return> to quit--- 
>              iov_len = 4155592444}, {iov_base = 0x1e1b734b0, 
>              iov_len = 140737208810309}, {iov_base = 0x7ffff7cfeb40, 
>              iov_len = 140737200171246}, {iov_base = 0x1f7d0a4c8, 
>              iov_len = 4155592444}, {iov_base = 0x1f88e3760, 
>              iov_len = 140737208810283}, {iov_base = 0x7ffff7cfeb40, 
>              iov_len = 140737295547665}, {iov_base = 0x1f7d05620, 
>              iov_len = 4155592444}, {iov_base = 0x100000014, 
>              iov_len = 140737213979237}, {iov_base = 0x7ffff7cfe1a0, 
>              iov_len = 140737346794694}, {iov_base = 0x1f88ed970, 
>              iov_len = 4155592444}, {iov_base = 0x1f88ed4c0, 
>              iov_len = 140737213979226}, {iov_base = 0x7ffff7cfe1a0, 
>              iov_len = 140737202284755}, {iov_base = 0x100000000, 
>              iov_len = 4155592444}, {iov_base = 0x200000000, 
>              iov_len = 140737037667823}, {iov_base = 0x7ffff88fc4c0, 
>              iov_len = 140737348921153}, {iov_base = 0x100000000, 
>              iov_len = 140737348980476}, {iov_base = 0x0, 
>              iov_len = 140737293346921}, {iov_base = 0x7ffff7d0aa10, 
>              iov_len = 140737348952706}, {iov_base = 0x20000fd00, 
>              iov_len = 140737348980476}, {iov_base = 0x1, 
>              iov_len = 140737218452667}, {iov_base = 0x7ffff7cff608, 
>              iov_len = 140737295547665}, {iov_base = 0x100000003, 
>              iov_len = 4155592444}, {iov_base = 0x6, 
>              iov_len = 140737295547644}, {iov_base = 0x7ffff7d0a4c8, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 140737348921153}, {iov_base = 0x100000001, 
>              iov_len = 4155592444}, {iov_base = 0x0, 
>              iov_len = 140737260603194}, {iov_base = 0x7ffff7d05620, 
>              iov_len = 140737295547665}, {iov_base = 0x100000ba8, 
>              iov_len = 4155592444}, {iov_base = 0x12b26bb1, 
>              iov_len = 140737035549220}, {iov_base = 0x7ffff8901010, 
>              iov_len = 140737221046637}, {iov_base = 0x100020ef0, 
>              iov_len = 4155592444}, {iov_base = 0x4a9, 
>              iov_len = 140737035549206}, {iov_base = 0x7ffff8901010, 
>              iov_len = 140737299215208}, {iov_base = 0x200000000, 
>              iov_len = 4155592444}, {iov_base = 0x7ffff4b99ee8, 
>              iov_len = 140737035549191}, {iov_base = 0x7ffff8901010, 
>              iov_len = 140737262931284}, {iov_base = 0x200000000, 
>              iov_len = 16384}, {iov_base = 0x34cc, iov_len = 13516}, {
>              iov_base = 0x0, iov_len = 140737265144598}, {
>              iov_base = 0x200203000, iov_len = 2117632}, {
>              iov_base = 0x204188, iov_len = 2113944}, {iov_base = 0x3000, 
>              iov_len = 472446402563}, {iov_base = 0x4a9, 
>              iov_len = 140737363561248}, {iov_base = 0x21, 
>              iov_len = 140737299193472}, {iov_base = 0x0, 
>              iov_len = 140737363580024}, {iov_base = 0x0, 
>              iov_len = 140737295960481}, {iov_base = 0x7ffff88fcb20, 
>              iov_len = 47}, {iov_base = 0x7ffff8901010, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 140737348964437}, {iov_base = 0x1d001e00400006, 
>              iov_len = 140737363580032}, {iov_base = 0x21, 
>              iov_len = 10376293550051557378}, {iov_base = 0x37e1800000, 
>              iov_len = 0}, {iov_base = 0x7fffffff6b30, 
>              iov_len = 140737348963481}, {iov_base = 0x0, 
>              iov_len = 140737363578896}, {iov_base = 0x7fffffff6b30, 
>              iov_len = 140737348950523}, {iov_base = 0x1, iov_len = 0}, {
>              iov_base = 0x0, iov_len = 25769803778}, {iov_base = 0x0, 
>              iov_len = 140737488318176}, {iov_base = 0x7fffffff6f50, 
>              iov_len = 0}, {iov_base = 0x0, iov_len = 140737037660568}, {
>              iov_base = 0x7fffe522f198, iov_len = 140737037660552}, {
>              iov_base = 0x5, iov_len = 1}, {iov_base = 0x0, iov_len = 112}, {
>              iov_base = 0x0, iov_len = 0}, {iov_base = 0x0, 
>              iov_len = 210453397509}, {iov_base = 0x7c0000005b, 
>              iov_len = 472446402679}, {iov_base = 0xfd00, iov_len = 33}, {
>              iov_base = 0x47, iov_len = 140737299193472}, {
>              iov_base = 0x7fffffff6fa0, iov_len = 140737488319040}, {
>              iov_base = 0x7ffff7b21004, iov_len = 140737295960481}, {
>              iov_base = 0x21, iov_len = 140737363561248}, {
>              iov_base = 0x7ffff88fccc6, iov_len = 140737348977526}, {
>              iov_base = 0x0, iov_len = 1404702959}, {iov_base = 0x5c819de, 
>              iov_len = 0}, {iov_base = 0x0, iov_len = 38}, {
>              iov_base = 0x7ffff88f7f70, iov_len = 140737488323680}, {
>---Type <return> to continue, or q <return> to quit---
>              iov_base = 0x0, iov_len = 140737351147520}, {iov_base = 0x0, 
>              iov_len = 2415919106}, {iov_base = 0x0, 
>              iov_len = 140737348952986}, {iov_base = 0x190000002, 
>              iov_len = 140737488318216}, {iov_base = 0x0, 
>              iov_len = 140737348974672}, {iov_base = 0x7fff00000001, 
>              iov_len = 140737488318176}, {iov_base = 0x7fffffff6f50, 
>              iov_len = 0}, {iov_base = 0x0, iov_len = 140737293346921}, {
>              iov_base = 0x7ffff7d0aa10, iov_len = 140737348969250}, {
>              iov_base = 0x0, iov_len = 140737348977158}, {
>              iov_base = 0x7ffff7cf5940, iov_len = 140737488318216}, {
>              iov_base = 0x7fffffff6f10, iov_len = 140737488318239}, {
>              iov_base = 0x7ffff7b122f0, iov_len = 140737348956886}, {
>              iov_base = 0x7ffff7cf5940, iov_len = 140737488317584}, {
>              iov_base = 0x7fffffff6f10, iov_len = 140737488317584}, {
>              iov_base = 0x40, iov_len = 140737350973344}, {
>              iov_base = 0x7d3aeb4c, iov_len = 140737348959266}, {
>              iov_base = 0x7ffff7d0aa10, iov_len = 32828333}, {
>              iov_base = 0x92ba89bc0000000c, iov_len = 140737295470396}, {
>              iov_base = 0x0, iov_len = 140737488317968}, {
>              iov_base = 0x7ffff480dc48, iov_len = 140737295505680}, {
>              iov_base = 0x0, iov_len = 214748364808}, {
>              iov_base = 0x7c0000005b, iov_len = 140737349017234}, {
>              iov_base = 0x7ffff7d0a4c8, iov_len = 1}, {
>---Type <return> to continue, or q <return> to quit---
>              iov_base = 0x7ffff8901010, iov_len = 0}, {
>              iov_base = 0x7ffff88fcb98, iov_len = 140737351034056}, {
>              iov_base = 0x7fffe502b8f3, iov_len = 140737295525720}, {
>              iov_base = 0x7fffe502b4b8, iov_len = 4294967296}, {
>              iov_base = 0x100000533, iov_len = 140737348974672}, {
>              iov_base = 0x7fff00000001, iov_len = 140737363579752}, {
>              iov_base = 0x7fffffff6e60, iov_len = 140737488318232}, {
>              iov_base = 0x7ffff8901010, iov_len = 140737363561368}, {
>              iov_base = 0x7d3aeb4c, iov_len = 140737348959914}, {
>              iov_base = 0x0, iov_len = 140737363561368}, {
>              iov_base = 0x7fff00000001, iov_len = 0}, {
>              iov_base = 0x7fff00000001, iov_len = 140737363578896}, {
>              iov_base = 0x7fffffff6d10, iov_len = 140737488318496}, {
>              iov_base = 0x7ffff28d3df8, iov_len = 140737348971013}, {
>              iov_base = 0x0, iov_len = 140737363579752}, {
>              iov_base = 0x7fffffff6e10, iov_len = 140737488318496}, {
>              iov_base = 0x7fffffff6e28, iov_len = 8450550277}, {
>              iov_base = 0x73a0246c00000001, iov_len = 140737035548915}, {
>              iov_base = 0x7fffffff6d70, iov_len = 140737488318496}, {
>              iov_base = 0x7fff0000000a, iov_len = 2}, {iov_base = 0x0, 
>              iov_len = 192}, {iov_base = 0x0, iov_len = 0}, {iov_base = 0x0, 
>              iov_len = 214748364810}, {iov_base = 0x7c0000005b, 
>              iov_len = 472446402679}, {iov_base = 0x7ffff4815910, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 140737351034056}, {iov_base = 0x20ef0, 
>              iov_len = 4294967295}, {iov_base = 0x90, 
>              iov_len = 140737363578896}, {iov_base = 0x7fffe502b4b8, 
>              iov_len = 140737035550336}, {iov_base = 0x7, 
>              iov_len = 140737348964810}, {iov_base = 0x7ffff8901010, 
>              iov_len = 140737348956948}, {iov_base = 0x7fff00000001, 
>              iov_len = 140737488318240}, {iov_base = 0x7ffff7d0a4c8, 
>              iov_len = 140737488318240}, {iov_base = 0x7, 
>              iov_len = 140737363561152}, {iov_base = 0x5ff0a818, 
>              iov_len = 140737348959266}, {iov_base = 0x7ffff8901368, 
>              iov_len = 25150112}, {iov_base = 0x7fff00000018, 
>              iov_len = 140737035547236}, {iov_base = 0x0, 
>              iov_len = 140737488318624}, {iov_base = 0x7ffff4606348, 
>              iov_len = 140737035547856}, {iov_base = 0x7fff00000000, 
>              iov_len = 140737348978085}, {iov_base = 0x0, 
>              iov_len = 140737363561248}, {iov_base = 0x7fffffff6fa0, 
>              iov_len = 0}, {iov_base = 0x7ffff7b2138f, 
>              iov_len = 140737488318368}, {iov_base = 0x7ffff7b21004, 
>              iov_len = 140737348977882}, {iov_base = 0x7ffff5a37d6d, 
>              iov_len = 140737363561248}, {iov_base = 0x7fffffff70f0, 
>              iov_len = 140737488318896}, {iov_base = 0x7ffff7b21004, 
>              iov_len = 140737348961050}, {iov_base = 0x0, 
>              iov_len = 140737363579800}, {iov_base = 0x7fffffff70f0, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 140737488318896}, {iov_base = 0x7ffff8901010, 
>              iov_len = 0}, {iov_base = 0x656e696665646e75, 
>              iov_len = 7813572100839645284}, {iov_base = 0x635f6c736173203a, 
>              iov_len = 8243121641172725345}, {iov_base = 0x74690074696e695f, 
>              iov_len = 0}, {iov_base = 0x7fff00000000, 
>              iov_len = 140737363578896}, {iov_base = 0x7fffffff8460, 
>              iov_len = 140737348977158}, {iov_base = 0x7ffff7cf5940, 
>              iov_len = 140737488318848}, {iov_base = 0x0, 
>              iov_len = 140737363579800}, {iov_base = 0x7fffffff70a0, 
>              iov_len = 140737488318768}, {iov_base = 0x7fffffff70b8, 
>              iov_len = 0}, {iov_base = 0x7ffff7d0c000, 
>              iov_len = 140737314520429}, {iov_base = 0x7ffff7b22c80, 
>              iov_len = 140737314520429}, {iov_base = 0x7ffff7b21004, 
>              iov_len = 140737349029892}, {iov_base = 0x7fffffff8460, 
>              iov_len = 10572931441202758912}, {iov_base = 0x92ba89bc9f450500, 
>              iov_len = 140737348956886}, {iov_base = 0x7ffff480dc48, 
>              iov_len = 140737488318768}, {iov_base = 0x7fffffff7200, 
>              iov_len = 140737488318768}, {iov_base = 0x40, 
>              iov_len = 140737350973344}, {iov_base = 0x5e00f7da, 
>              iov_len = 140737348959266}, {iov_base = 0x0, 
>              iov_len = 24642527}, {iov_base = 0x7fff0000001a, 
>              iov_len = 140737295466456}, {iov_base = 0x0, 
>              iov_len = 140737488319152}, {iov_base = 0x7ffff480dc48, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 140737295482040}, {iov_base = 0x100000002, 
>              iov_len = 0}, {iov_base = 0x80000002, 
>              iov_len = 140737348994406}, {iov_base = 0x0, 
>              iov_len = 140737363578896}, {iov_base = 0x7ffff7d0c000, 
>              iov_len = 0}, {iov_base = 0x7ffff7cfa840, 
>              iov_len = 140737351034056}, {iov_base = 0x7ffff5a255ba, 
>              iov_len = 140737295525720}, {iov_base = 0x7ffff5a23d00, 
>              iov_len = 21474836480}, {iov_base = 0x10000015a, iov_len = 0}, {
>              iov_base = 0x0, iov_len = 140737351041880}, {
>              iov_base = 0x7fffffff7300, iov_len = 140737488319272}, {
>              iov_base = 0x7ffff7d0c000, iov_len = 140737350969408}...}, 
>          out_sg = {{iov_base = 0x7fffa656d028, iov_len = 10}, {
>              iov_base = 0x7fffa65a2442, iov_len = 60}, {iov_base = 0x0, 
>              iov_len = 0} <repeats 56 times>, {iov_base = 0x0, 
>              iov_len = 140737348950751}, {iov_base = 0x0, iov_len = 0}, {
>              iov_base = 0x0, iov_len = 0}, {iov_base = 0x0, iov_len = 0}, {
>              iov_base = 0x0, iov_len = 0}, {iov_base = 0x37d6800000, 
>              iov_len = 239822032896}, {iov_base = 0x37d681c794, 
>              iov_len = 239822030740}, {iov_base = 0x0, iov_len = 5}, {
>              iov_base = 0x37d6a1c000, iov_len = 239824134144}, {
>              iov_base = 0x37d6a1d4a4, iov_len = 239824136024}, {
>              iov_base = 0x1c000, iov_len = 3}, {iov_base = 0x0, iov_len = 0}, 
>            {iov_base = 0x0, iov_len = 0}, {iov_base = 0x0, iov_len = 0}, {
>---Type <return> to continue, or q <return> to quit---
>              iov_base = 0x0, iov_len = 140737348980476}, {iov_base = 0x0, 
>              iov_len = 140737197960279}, {iov_base = 0x7ffff7cfb000, 
>              iov_len = 140737348952706}, {iov_base = 0x0, 
>              iov_len = 140737349009649}, {iov_base = 0x0, 
>              iov_len = 140737350978408}, {iov_base = 0x2f, 
>              iov_len = 140737299215208}, {iov_base = 0x100000000, 
>              iov_len = 4157584496}, {iov_base = 0x17, iov_len = 1}, {
>              iov_base = 0x0, iov_len = 0}, {iov_base = 0x7fffffff91c0, 
>              iov_len = 140737348963481}, {iov_base = 0x7ffff7cfc000, 
>              iov_len = 140737350971392}, {iov_base = 0x7fffffff91c0, 
>              iov_len = 140737348950523}, {iov_base = 0x0, iov_len = 0}, {
>              iov_base = 0x0, iov_len = 0}, {iov_base = 0x0, iov_len = 0}, {
>              iov_base = 0x0, iov_len = 140737348980476}, {iov_base = 0x0, 
>              iov_len = 140737200171212}, {iov_base = 0x7ffff7cfc4d8, 
>              iov_len = 140737348952706}, {iov_base = 0x0, 
>              iov_len = 140737488326736}, {iov_base = 0x0, 
>              iov_len = 140737350978408}, {iov_base = 0x7fffeef2e8ae, 
>              iov_len = 140737299215208}, {iov_base = 0x100000003, 
>              iov_len = 4294939224}, {iov_base = 0x6, iov_len = 2221912}, {
>              iov_base = 0xfd00, iov_len = 2893464}, {iov_base = 0x1, 
>              iov_len = 33261}, {iov_base = 0x0, iov_len = 0}, {
>              iov_base = 0x1e6d0, iov_len = 4096}, {iov_base = 0xf8, 
>              iov_len = 1409794801}, {iov_base = 0x1541cfa2, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 1404134941}, {iov_base = 0x0, iov_len = 1404719245}, {
>              iov_base = 0x57f7e01, iov_len = 140737348980476}, {
>              iov_base = 0x0, iov_len = 140737202284745}, {
>              iov_base = 0x7ffff7cfc000, iov_len = 140737348952706}, {
>              iov_base = 0x0, iov_len = 140737351147520}, {
>              iov_base = 0x7ffff7d1a037, iov_len = 0}, {
>              iov_base = 0x7ffff7cfc000, iov_len = 140737299215208}, {
>              iov_base = 0x100000000, iov_len = 4294940056}, {iov_base = 0x0, 
>              iov_len = 0}, {iov_base = 0x0, iov_len = 140733193388039}, {
>              iov_base = 0x100000000, iov_len = 16777216}, {
>              iov_base = 0x7fff00000000, iov_len = 16}, {
>              iov_base = 0x7fffffff9250, iov_len = 140737488328096}, {
>              iov_base = 0x0, iov_len = 140737488328111}, {iov_base = 0x0, 
>              iov_len = 0}, {iov_base = 0x340, iov_len = 282584257676671}, {
>              iov_base = 0x0, iov_len = 4299030531}, {iov_base = 0x37d68058d0, 
>              iov_len = 64}, {iov_base = 0x1df10, 
>              iov_len = 15762873573703680}, {iov_base = 0x1e001f00400008, 
>              iov_len = 21474836481}, {iov_base = 0x0, 
>              iov_len = 239821914112}, {iov_base = 0x37d6800000, 
>              iov_len = 116628}, {iov_base = 0x1c794, iov_len = 2097152}, {
>              iov_base = 0x600000001, iov_len = 118024}, {
>              iov_base = 0x37d6a1cd08, iov_len = 239824129288}, {
>              iov_base = 0x79c, iov_len = 6736}, {iov_base = 0x200000, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 25769803778}, {iov_base = 0x1cda0, 
>              iov_len = 239824129440}, {iov_base = 0x37d6a1cda0, 
>              iov_len = 432}, {iov_base = 0x1b0, iov_len = 8}, {
>              iov_base = 0x400000004, iov_len = 512}, {
>              iov_base = 0x37d6800200, iov_len = 239821914624}, {
>              iov_base = 0x24, iov_len = 36}, {iov_base = 0x4, 
>              iov_len = 17179869191}, {iov_base = 0x1cd08, 
>              iov_len = 239824129288}, {iov_base = 0x37d6a1cd08, iov_len = 0}, 
>            {iov_base = 0xa1, iov_len = 140737488346784}, {
>              iov_base = 0x7fffffffdf10, iov_len = 2}, {
>              iov_base = 0x7fffffff9520, iov_len = 140737488327812}, {
>              iov_base = 0x7fffffff9480, iov_len = 140737349017234}, {
>              iov_base = 0x0, iov_len = 1}, {iov_base = 0x7fffffffdf10, 
>              iov_len = 40}, {iov_base = 0x7ffff7cfb6d8, 
>              iov_len = 140737348972310}, {iov_base = 0x100000000, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x796e6f6e6162696c, 
>              iov_len = 31370365757648749}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x100000001, 
>              iov_len = 4294967297}, {iov_base = 0x7ffff7cfb598, 
>              iov_len = 140737348974672}, {iov_base = 0x7ffff7d0aa10, 
>              iov_len = 140737351034056}, {iov_base = 0x7ffff7d26998, 
>              iov_len = 0}, {iov_base = 0x7fffffff9610, 
>              iov_len = 140737200171212}, {iov_base = 0x7ffff7cfc4d8, 
>              iov_len = 18446744070115033088}, {iov_base = 0xffffef6283d60000, 
>              iov_len = 1152958926663337280}, {iov_base = 0x3c8014e14c494008, 
>              iov_len = 9223512911782109504}, {iov_base = 0x300120000e284c8, 
>              iov_len = 140737488346784}, {iov_base = 0x7fffffffdf10, 
>              iov_len = 4}, {iov_base = 0x7fffffff9730, 
>              iov_len = 140737202284745}, {iov_base = 0x7ffff7cfc000, 
>              iov_len = 140737348969250}, {iov_base = 0x0, 
>              iov_len = 140737348977158}, {iov_base = 0x7ffff7d26fd8, 
>              iov_len = 140737488346824}, {iov_base = 0x7fffffffded0, 
>              iov_len = 140737488346847}, {iov_base = 0x7ffff7b122f0, 
>              iov_len = 140737202274208}, {iov_base = 0x7fffffffdf10, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 140737348971246}, {iov_base = 0x7ffff7d0aa10, 
>              iov_len = 140737351034056}, {iov_base = 0x0, iov_len = 4}, {
>              iov_base = 0x7fffffff9730, iov_len = 140737202284745}, {
>              iov_base = 0x7ffff7cfc000, iov_len = 18446744070146490368}, {
>              iov_base = 0xffffef6283d60000, iov_len = 2}, {
>              iov_base = 0x7fffffff9730, iov_len = 140737202284718}, {
>              iov_base = 0x7ffff7cfc000, iov_len = 18446744070152781824}, {
>              iov_base = 0xffffef6283d60000, iov_len = 1404719245}, {
>              iov_base = 0x1bf80e42, iov_len = 140737348980476}, {
>              iov_base = 0x0, iov_len = 140737213979269}, {
>              iov_base = 0x7ffff7cfe1a0, iov_len = 140737348952706}, {
>              iov_base = 0x0, iov_len = 140737488346784}, {
>              iov_base = 0x7fffffffdf10, iov_len = 0}, {
>              iov_base = 0x7fffffff9840, iov_len = 140737204416272}, {
>              iov_base = 0x7ffff7cfb4e8, iov_len = 140737348971246}, {
>              iov_base = 0x1, iov_len = 140737350971392}, {iov_base = 0x0, 
>              iov_len = 0}, {iov_base = 0x7fffef136d70, 
>              iov_len = 140737348971013}, {iov_base = 0x7ffff7cfc4d8, 
>              iov_len = 140737351012696}, {iov_base = 0x7ffff7cfb000, 
>              iov_len = 140737351035408}, {iov_base = 0x7ffff7d0a4c8, 
>              iov_len = 0}, {iov_base = 0xffffffffbe200000, iov_len = 0}, {
>              iov_base = 0x7fffffff9840, iov_len = 140737204422569}, {
>              iov_base = 0x7ffff7cfd580, iov_len = 18446744070188433408}, {
>---Type <return> to continue, or q <return> to quit---
>              iov_base = 0xffffef6283d60000, iov_len = 64}, {
>              iov_base = 0x29f0, iov_len = 140737488346784}, {
>              iov_base = 0x7fffffffdf10, iov_len = 3}, {
>              iov_base = 0x7fffffff9920, iov_len = 140737206537759}, {
>              iov_base = 0x7ffff7cfd018, iov_len = 140737348969250}, {
>              iov_base = 0x0, iov_len = 140737348977158}, {
>              iov_base = 0x7ffff7d26fd8, iov_len = 140737488346824}, {
>              iov_base = 0x7fffffffded0, iov_len = 140737488346847}, {
>              iov_base = 0x7ffff7b122f0, iov_len = 140737488346784}, {
>              iov_base = 0x200000, iov_len = 140737206526352}, {
>              iov_base = 0x7fffffffdf10, iov_len = 140737348971246}, {
>              iov_base = 0x7ffff7d0a4c8, iov_len = 0}, {
>              iov_base = 0x7fffffff9920, iov_len = 140737206537759}, {
>              iov_base = 0x7ffff7cfd018, iov_len = 18446744070217793536}, {
>              iov_base = 0xffffef6283d60000, iov_len = 240014852552}, {
>              iov_base = 0x24, iov_len = 36}, {iov_base = 0x4, 
>              iov_len = 18865251664}, {iov_base = 0x11e8, 
>              iov_len = 140737488346784}, {iov_base = 0x7fffffffdf10, 
>              iov_len = 2}, {iov_base = 0x7fffffff9a20, 
>              iov_len = 140737208810309}, {iov_base = 0x7ffff7cfeb40, 
>              iov_len = 140737348969250}, {iov_base = 0x0, 
>              iov_len = 140737348977158}, {iov_base = 0x7ffff7d26fd8, 
>              iov_len = 140737488346824}, {iov_base = 0x7fffffffded0, 
>---Type <return> to continue, or q <return> to quit---
>              iov_len = 140737208798968}, {iov_base = 0x7ffff7cfcb18, 
>              iov_len = 140737348971246}, {iov_base = 0x7ffff7cfc000, 
>              iov_len = 140737350976728}, {iov_base = 0x7ffff7d05158, 
>              iov_len = 140737351034056}, {iov_base = 0x0, iov_len = 2}, {
>              iov_base = 0x7fffffff9a20, iov_len = 140737208810309}, {
>              iov_base = 0x7ffff7cfeb40, iov_len = 18446744070251347968}, {
>              iov_base = 0xffffef6283d60000, iov_len = 57561634884853762}, {
>              iov_base = 0x3242c004281320a9, iov_len = 669083648872430272}, {
>              iov_base = 0x48020450190a2050, iov_len = 140737488346784}, {
>              iov_base = 0x7fffffffdf10, iov_len = 5}, {
>              iov_base = 0x7fffffff9b10, iov_len = 140737210965898}, {
>              iov_base = 0x7ffff7cfe678, iov_len = 140737348969250}, {
>              iov_base = 0x0, iov_len = 140737348977158}, {
>              iov_base = 0x7ffff7d26fd8, iov_len = 140737488346824}, {
>              iov_base = 0x7fffffffded0, iov_len = 140737488346847}, {
>              iov_base = 0x7ffff7b122f0, iov_len = 140737210916720}, {
>              iov_base = 0x7ffff7cfcac8, iov_len = 140737348971246}, {
>              iov_base = 0x7ffff7d23b20, iov_len = 140737351034056}, {
>              iov_base = 0x7ffff7d26998, iov_len = 0}, {
>              iov_base = 0x7fffffff9b10, iov_len = 140737210965898}, {
>              iov_base = 0x7ffff7cfe678, iov_len = 18446744070282805248}, {
>              iov_base = 0xffffef6283d60000, iov_len = 0}...}}
>        num_packets = 0
>---Type <return> to continue, or q <return> to quit---
>        __PRETTY_FUNCTION__ = "virtio_net_flush_tx"
>#5  0x00007ffff7e2836e in qemu_net_queue_flush (queue=0x7ffff86f9910)
>    at /usr/src/debug/qemu-kvm-0.12.1.2/net/queue.c:255
>        packet = 0x7ffff89970f0
>        ret = <value optimized out>
>#6  0x00007ffff7e2780d in qemu_flush_queued_packets (vc=<value optimized out>)
>    at /usr/src/debug/qemu-kvm-0.12.1.2/net.c:529
>        queue = <value optimized out>
>#7  0x00007ffff7db39f6 in main_loop_wait (timeout=1000)
>    at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:4060
>        pioh = <value optimized out>
>        ioh = 0x7ffff86f9950
>        rfds = {fds_bits = {0 <repeats 16 times>}}
>        wfds = {fds_bits = {4096, 0 <repeats 15 times>}}
>        xfds = {fds_bits = {0 <repeats 16 times>}}
>        ret = <value optimized out>
>        nfds = <value optimized out>
>        tv = {tv_sec = 0, tv_usec = 999995}
>#8  0x00007ffff7dd740a in kvm_main_loop ()
>    at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2258
>        fds = {20, 21}
>        mask = {__val = {268443712, 0 <repeats 15 times>}}
>        sigfd = 22
>---Type <return> to continue, or q <return> to quit---
>#9  0x00007ffff7db8687 in main_loop (argc=<value optimized out>, 
>    argv=<value optimized out>, envp=<value optimized out>)
>    at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:4268
>        r = <value optimized out>
>#10 main (argc=<value optimized out>, argv=<value optimized out>, 
>    envp=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:6725
>        gdbstub_dev = 0x0
>        i = <value optimized out>
>        snapshot = 0
>        linux_boot = 0
>        initrd_filename = 0x0
>        kernel_filename = 0x0
>        kernel_cmdline = 0x7ffff7f8b76f ""
>        boot_devices = "cad", '\000' <repeats 29 times>
>        ds = <value optimized out>
>        dcl = <value optimized out>
>        cyls = 0
>        heads = 0
>        secs = 0
>        translation = 0
>        hda_opts = 0x7ffff82f1258
>        opts = <value optimized out>
>        olist = <value optimized out>
>---Type <return> to continue, or q <return> to quit---
>        optind = 35
>        optarg = 0x7fffffffe6ba "virtio-net-pci,netdev=hostnet0,id=vnet0,mac=52:54:00:1a:2b:01"
>        loadvm = 0x0
>        machine = 0x7ffff82ea600
>        cpu_model = 0x7fffffffe4c9 "Penryn"
>        fds = {64, 49030163}
>        tb_size = 0
>        pid_file = 0x0
>        incoming = 0x0
>        fd = 0
>        pwd = 0x0
>        chroot_dir = 0x0
>        run_as = 0x0
>        env = <value optimized out>
>        show_vnc_port = 0
>        defconfig = -12544
>        defconfig_verbose = -131132840
>        vmstate_dump_file = 0x0
>(gdb) 
>

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Attachments on bug 1138228: 934364 | 935579