Date: Mon, 29 Jan 2007 23:22:35 +0300 From: Boris Samorodov <bsam@ipt.ru> To: Divacky Roman <xdivac02@stud.fit.vutbr.cz> Cc: emulation@freebsd.org, current@freebsd.org Subject: Re: CFT/HEADS-UP: linux 2.6.16 emulation Message-ID: <91054724@bsam.ru> In-Reply-To: <20070129091006.GA19174@stud.fit.vutbr.cz> (Divacky Roman's message of "Mon, 29 Jan 2007 10:10:06 %2B0100") References: <20070120170723.34c223fb@Magellan.Leidinger.net> <20070122164926.GA8146@stud.fit.vutbr.cz> <24984594@bsam.ru> <20070129091006.GA19174@stud.fit.vutbr.cz>
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On Mon, 29 Jan 2007 10:10:06 +0100 Divacky Roman wrote: > 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@bsam.ru:/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 So far I have this one: ----- Jan 29 17:49:18 bsam kernel: linux: pid 892 (pwd): syscall openat not implemented ----- > > 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. There is no coredump with linux_base-fc4_9 -- I got it with linux_base-fc6. > > 3. Is not executed (some new... or old libraries are needed): > > - www/linux-mozilla. > but this doesnt relate to 2.6 emulation, right? Yes. And this port is OK with linux_base-fc4_9. > > Sometimes (not stable result) I get the following LOR. This one I got > > while testing net/skype: [LOR deletted] > I'll investigate that. thnx Just one LOR more (but the same bug?): ----- Jan 29 17:38:53 bsam kernel: lock order reversal: Jan 29 17:38:53 bsam kernel: 1st 0xc0bd58a0 emuldata->shared lock (emuldata->shared lock) @ /usr/src/sys/modules/linux/../../compat/linux/linux_emul.c:117 Jan 29 17:38:53 bsam kernel: 2nd 0xc0bd58e0 emuldata lock (emuldata lock) @ /usr/src/sys/modules/linux/../../compat/linux/linux_emul.c:67 Jan 29 17:38:53 bsam kernel: KDB: stack backtrace: Jan 29 17:38:53 bsam kernel: db_trace_self_wrapper(c09442e5) at db_trace_self_wrapper+0x25 Jan 29 17:38:53 bsam kernel: kdb_backtrace(0,ffffffff,c0a525d0,c0a525f8,c09ed16c,...) at kdb_backtrace+0x29 Jan 29 17:38:53 bsam kernel: witness_checkorder(c0bd58e0,9,c0bd2066,43) at witness_checkorder+0x586 Jan 29 17:38:53 bsam kernel: _sx_xlock(c0bd58e0,c0bd2066,43,c4597240,312,...) at _sx_xlock+0x50 Jan 29 17:38:53 bsam kernel: em_find(c472c900,1,c0bd58a0,c0bd2066,75,...) at em_find+0x51 Jan 29 17:38:53 bsam kernel: linux_proc_init(c45e8510,312,3d0f00,0,16,...) at linux_proc_init+0xbd Jan 29 17:38:53 bsam kernel: linux_clone(c45e8510,e6946d00) at linux_clone+0x8b Jan 29 17:38:53 bsam kernel: syscall(e6946d38) at syscall+0x256 Jan 29 17:38:53 bsam kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20 Jan 29 17:38:53 bsam kernel: --- syscall (758682804), eip = 0x2, esp = 0xe6946d74, ebp = 0xbfbfd304 --- ----- 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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