Re: [Qemu-devel] QEMU crashed when reconnecting over iscsi protocol

[Bob Chen]

BTW, the iscsi server I used is scsi-target-utils (
https://github.com/fujita/tgt).


Bob Chen <address@hidden> 于2018年12月19日周三 下午7:34写道：

> I looked into the source code, and found some reconnect method from
> libiscsi. Are they able to work?
>
> QEMU: 2.12.1
> libiscsi: 1.18.0  (https://github.com/sahlberg/libiscsi)
>
>
> (gdb) f
> #0  0x00007fcd956933bd in iscsi_reconnect (iscsi=0x7fcd97f206d0) at
> connect.c:461
> 461 memcpy(tmp_iscsi->old_iscsi, iscsi, sizeof(struct iscsi_context));
> (gdb) bt
> #0  0x00007fcd956933bd in iscsi_reconnect (iscsi=0x7fcd97f206d0) at
> connect.c:461
> #1  0x00007fcd956a4ccd in iscsi_service_reconnect_if_loggedin
> (iscsi=0x7fcd97f206d0) at socket.c:879
> #2  0x00007fcd956a50d2 in iscsi_tcp_service (iscsi=0x7fcd97f206d0,
> revents=<value optimized out>) at socket.c:989
> #3  0x00007fcd9674b737 in iscsi_process_read (arg=0x7fcd97f1e680) at
> block/iscsi.c:371
> #4  0x00007fcd967e5b47 in aio_dispatch_handlers (ctx=0x7fcd97ee48d0) at
> util/aio-posix.c:406
> #5  0x00007fcd967e5ce9 in aio_dispatch (ctx=0x7fcd97ee48d0) at
> util/aio-posix.c:437
> #6  0x00007fcd967e038c in aio_ctx_dispatch (source=0x7fcd97ee48d0,
> callback=0, user_data=0x0) at util/async.c:261
> #7  0x00007fcd93b1135e in g_main_context_dispatch () from
> /usr/lib64/libglib-2.0.so.0
> #8  0x00007fcd967e424e in glib_pollfds_poll () at util/main-loop.c:215
> #9  0x00007fcd967e4368 in os_host_main_loop_wait (timeout=987000000) at
> util/main-loop.c:263
> #10 0x00007fcd967e4438 in main_loop_wait (nonblocking=0) at
> util/main-loop.c:522
> #11 0x00007fcd963c4b29 in main_loop () at vl.c:1943
> #12 0x00007fcd963cca8d in main (argc=62, argv=0x7ffff89f4208,
> envp=0x7ffff89f4400) at vl.c:4734
>