Date: Tue, 05 May 2009 19:26:28 +0400 From: Boris Samorodov <bsam@ipt.ru> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: freebsd-emulation@FreeBSD.org Subject: Re: [linux-f10] linux_socketcall... ERR#43 'Protocol not supported' Message-ID: <67678219@bb.ipt.ru> In-Reply-To: <20090505160827.1359651x47bqmxc8@webmail.leidinger.net> (Alexander Leidinger's message of "Tue\, 05 May 2009 16\:08\:27 %2B0200") References: <81924694@bb.ipt.ru> <20090505144955.16373k1b32dpaxo0@webmail.leidinger.net> <47993241@bb.ipt.ru> <20090505160827.1359651x47bqmxc8@webmail.leidinger.net>
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On Tue, 05 May 2009 16:08:27 +0200 Alexander Leidinger wrote:
> Quoting Boris Samorodov <bsam@ipt.ru> (from Tue, 05 May 2009 17:44:54 +0400):
> > On Tue, 05 May 2009 14:49:55 +0200 Alexander Leidinger wrote:
> >> Quoting Boris Samorodov <bsam@ipt.ru> (from Tue, 05 May 2009
> >> 09:51:21 +0400):
> >
> >> > I'm working on Fedora 10 ports and almost all is fine (even
> >> > google-earth seems to work)... But there is no resolving.
> >> > I managed to find the culprit. Here it is:
> >
> >> > Ktrace/linux_kdump gives this:
> >> > -----
> >> > 48833 ping CALL linux_socketcall(0x1,0xbfbfd218)
> >> > 48833 ping RET linux_socketcall -1 errno 93 Unknown error: 93
> >> > 48833 ping CALL gettimeofday(0xbfbfd2e0,0)
> >> > 48833 ping RET gettimeofday 0
> >> > 48833 ping CALL linux_socketcall(0x1,0xbfbfd218)
> >> > 48833 ping RET linux_socketcall -1 errno 93 Unknown error: 93
> >> > 48833 ping CALL write(0x2,0xbfbfbf48,0x1a)
> >> > 48833 ping GIO fd 2 wrote 26 bytes
> >> > "ping: unknown host www.ru
> >> > "
> >> > 48833 ping RET write 26/0x1a
> >> > 48833 ping CALL linux_exit_group(0x2)
> >> > ----
> >
> >> There was a commit after April 30 about linux socket stuff. I don't
> >> know if it is related or not. You can either update and test, or
> >
> > Thanks for the info, I'm updating now.
> >
> >> instrument the current code to print out the parameters to
> >> linux_socketcall in a human readable way.
> >
> > Can you give a tiny example?
[Skip examples, thanks]
The diff is:
-----
--- linux_socket.c.orig 2009-05-05 18:35:31.000000000 +0400
+++ linux_socket.c 2009-05-05 19:02:42.000000000 +0400
@@ -595,9 +595,15 @@
} */ bsd_args;
int retval_socket;
+ printf("bsam: linux_socket (LINUX): domain: %d, type: %d, protocol: %d\n",
+ args->domain, args->type, args->protocol);
+
bsd_args.protocol = args->protocol;
bsd_args.type = args->type;
bsd_args.domain = linux_to_bsd_domain(args->domain);
+
+ printf("bsam: linux_socket (FreeBSD): domain: %d\n", bsd_args.domain);
+
if (bsd_args.domain == -1)
return (EINVAL);
@@ -1365,10 +1371,14 @@
linux_socketcall(struct thread *td, struct linux_socketcall_args *args)
{
void *arg = (void *)(intptr_t)args->args;
+ int ret;
+ printf("bsam: Entering linux_socketcall.\n");
switch (args->what) {
case LINUX_SOCKET:
- return (linux_socket(td, arg));
+ ret = linux_socket(td, arg);
+ printf("bsam: LINUX_SOCKET: %d\n", ret);
+ return (ret);
case LINUX_BIND:
return (linux_bind(td, arg));
case LINUX_CONNECT:
-----
Console diagnistic is:
-----
May 5 19:10:33 bb kernel: bsam: Entering linux_socketcall.
May 5 19:10:33 bb kernel: bsam: linux_socket (LINUX): domain: 2, type: 3, protocol: 1
May 5 19:10:33 bb kernel: bsam: linux_socket (FreeBSD): domain: 2
May 5 19:10:33 bb kernel: bsam: LINUX_SOCKET: 1
May 5 19:10:33 bb kernel: bsam: Entering linux_socketcall.
May 5 19:10:33 bb kernel: bsam: linux_socket (LINUX): domain: 1, type: 526337, protocol: 0
May 5 19:10:33 bb kernel: bsam: linux_socket (FreeBSD): domain: 1
May 5 19:10:33 bb kernel: bsam: LINUX_SOCKET: 43
May 5 19:10:33 bb kernel: bsam: Entering linux_socketcall.
May 5 19:10:33 bb kernel: bsam: linux_socket (LINUX): domain: 1, type: 526337, protocol: 0
May 5 19:10:33 bb kernel: bsam: linux_socket (FreeBSD): domain: 1
May 5 19:10:33 bb kernel: bsam: LINUX_SOCKET: 43
May 5 19:10:34 bb kernel: bsam: Entering linux_socketcall.
May 5 19:10:34 bb kernel: bsam: linux_socket (LINUX): domain: 2, type: 2050, protocol: 0
May 5 19:10:34 bb kernel: bsam: linux_socket (FreeBSD): domain: 2
May 5 19:10:34 bb kernel: bsam: LINUX_SOCKET: 43
May 5 19:10:34 bb kernel: bsam: Entering linux_socketcall.
May 5 19:10:34 bb kernel: bsam: linux_socket (LINUX): domain: 2, type: 2050, protocol: 0
May 5 19:10:34 bb kernel: bsam: linux_socket (FreeBSD): domain: 2
May 5 19:10:34 bb kernel: bsam: LINUX_SOCKET: 43
-----
Corresponding text for linux_kdump and truss:
ftp://ftp.ipt.ru/pub/linux/linux_kdump.ping.txt
ftp://ftp.ipt.ru/pub/linux/truss.ping.txt
WBR
--
Boris Samorodov (bsam)
Research Engineer, http://www.ipt.ru Telephone & Internet SP
FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
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