Re: CFT/HEADS-UP: linux 2.6.16 emulation

On Mon, Jan 29, 2007 at 02:22:53AM +0300, Boris Samorodov wrote:
On Mon, 22 Jan 2007 17:49:26 +0100 Divacky Roman wrote:
On Sat, Jan 20, 2007 at 05:07:23PM +0100, Alexander Leidinger wrote:

today I committed the last fixes for the showstopper problems (panics)
in the linux 2.6.16 emulation. I intend to switch the default version
to 2.6.16 on i386 "soon" (see below), so please help testing it.

to be more precise.. we want testing on -current on i386...
any other report is useles. except for reports from p4 linuxulator
branch on 2.6/amd64..

Here are some test results (for 2.6.16 linux emulation) at:
$ uname -a
FreeBSD bsam.ru 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Wed Jan 24 01:58:12 MSK 2007 bsam@xxxxxxx:/usr/obj/usr/src/sys/GENERIC i386

...and linux_base-fc6 (a port from my repository), other port
dependencies are from FC4:

1. Just work (sometimes messages about an unimplemented syscall(s) do
appear):
- print/acroread7
- www/linux-opera
- www/linux-firefox
- www/linux-flashplugin7
- mail/linux-thunderbird
- multimedia/linux-realplayer

please post those messages about unimplemented syscalls, thnx

2. Works but coredumps when exitting:
- net/skype

cant reproduce that. I have proceses left when I "click on exit in skype" but I guess
its normal as skype wants to be able to answer a phone call.

3. Is not executed (some new... or old libraries are needed):
- www/linux-mozilla.

but this doesnt relate to 2.6 emulation, right?

Sometimes (not stable result) I get the following LOR. This one I got
while testing net/skype:
-----
Jan 28 21:11:31 bsam kernel: lock order reversal:
Jan 28 21:11:31 bsam kernel: 1st 0xc0bd58e0 emuldata lock (emuldata lock) @ /usr/src/sys/modules/linux/../../compat/linux/linux_emul.c:67
Jan 28 21:11:31 bsam kernel: 2nd 0xc0bd58a0 emuldata->shared lock (emuldata->shared lock) @ /usr/src/sys/modules/linux/../../compat/linux/linux_misc.c:1613
Jan 28 21:11:31 bsam kernel: KDB: stack backtrace:
Jan 28 21:11:31 bsam kernel: db_trace_self_wrapper(c09442e5) at db_trace_self_wrapper+0x25
Jan 28 21:11:31 bsam kernel: kdb_backtrace(0,ffffffff,c0a525f8,c0a525d0,c09ed16c,...) at kdb_backtrace+0x29
Jan 28 21:11:31 bsam kernel: witness_checkorder(c0bd58a0,1,c0bd2671,64d) at witness_checkorder+0x586
Jan 28 21:11:31 bsam kernel: _sx_slock(c0bd58a0,c0bd2671,64d,0,c49366c0,...) at _sx_slock+0x4c
Jan 28 21:11:31 bsam kernel: linux_exit_group(c49366c0,e69dfd00) at linux_exit_group+0x3f
Jan 28 21:11:31 bsam kernel: syscall(e69dfd38) at syscall+0x256
Jan 28 21:11:31 bsam kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20
Jan 28 21:11:31 bsam kernel: --- syscall (5, Linux ELF, linux_open), eip = 0x2, esp = 0x246, ebp = 0x2825427c ---
Jan 28 21:12:57 bsam kernel: pid 1733 (skype_bin), uid 1001: exited on signal 11 (core dumped)

I'll investigate that. thnx
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