From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73897C41513 for ; Mon, 24 Jul 2023 08:22:01 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qNqp2-0001N6-KZ; Mon, 24 Jul 2023 04:21:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qNqoY-0001C4-O7 for qemu-devel@nongnu.org; Mon, 24 Jul 2023 04:21:14 -0400 Received: from smtp-out2.suse.de ([2001:67c:2178:6::1d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qNqoW-0001TK-1i for qemu-devel@nongnu.org; Mon, 24 Jul 2023 04:21:10 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 1DAF22058E; Mon, 24 Jul 2023 08:21:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1690186865; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5NrsnEsB7EZaUudJvsIbn2LYBvnP/ZSEZPEDnwqobmw=; b=TNteTNFMim1hVRWLkB/w5tD3BVhYvXqPqfCDjWLRCjGVcIsRqLlMMMBeJtYM/SGHfRnBDT DckXlZA026LSq10IllT5u+jXD93Y9IvbKKV9Jm4agNnQIsVExFi/FvU9e69zpSfSPH/kze +vt929PxFZSlP8EaNR6DHBw7AJJuaJU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1690186865; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5NrsnEsB7EZaUudJvsIbn2LYBvnP/ZSEZPEDnwqobmw=; b=2qjGVQ9l/WEv0KHVDMIrcqo+vTI7i/wzohQVgwau9fnBl8RmqiRcbgJHVl+Xy1v0hFlYux zYuv3HHsTZHDEgDQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id E3672138E8; Mon, 24 Jul 2023 08:21:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id a5vQNXA0vmRsfwAAMHmgww (envelope-from ); Mon, 24 Jul 2023 08:21:04 +0000 Message-ID: Date: Mon, 24 Jul 2023 10:21:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: assert fails in s390x TCG Content-Language: en-US From: Claudio Fontana To: Cornelia Huck , Richard Henderson , =?UTF-8?Q?Alex_Benn=c3=a9e?= Cc: qemu-devel References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2001:67c:2178:6::1d; envelope-from=cfontana@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -44 X-Spam_score: -4.5 X-Spam_bar: ---- X-Spam_report: (-4.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.093, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org .. adding Alex, maybe something related to multithreaded TCG? On 7/21/23 11:08, Claudio Fontana wrote: > > Hello Cornelia, Richard, > > I had some strange behavior in an s390x TCG VM that I am debugging, > > and configured latest upstream QEMU with --enable-debug --enable-debug-tcg > > and I am running the qemu binary with -d unimp,guest_errors . > > I get: > > /usr/bin/qemu-system-s390x -nodefaults -no-reboot -nographic -vga none -cpu qemu -d unimp,guest_errors -object rng-random,filename=/dev/random,id=rng0 -device virtio-rng-ccw,rng=rng0 -runas qemu -net none -kernel /var/tmp/boot/kernel -initrd /var/tmp/boot/initrd -append root=/dev/disk/by-id/virtio-0 rootfstype=ext3 rootflags=data=writeback,nobarrier,commit=150,noatime elevator=noop nmi_watchdog=0 rw oops=panic panic=1 quiet elevator=noop console=hvc0 init=build -m 2048 -drive file=/var/tmp/img,format=raw,if=none,id=disk,cache=unsafe -device virtio-blk-ccw,drive=disk,serial=0 -drive file=/var/tmp/swap,format=raw,if=none,id=swap,cache=unsafe -device virtio-blk-ccw,drive=swap,serial=1 -device virtio-serial-ccw -device virtconsole,chardev=virtiocon0 -chardev stdio,id=virtiocon0 -chardev socket,id=monitor,server=on,wait=off,path=/var/tmp/img.qemu/monitor -mon chardev=monitor,mode=readline -smp 8 > > unimplemented opcode 0xb9ab > unimplemented opcode 0xb2af > > ERROR:../accel/tcg/tb-maint.c:348:page_unlock__debug: assertion failed: (page_is_locked(pd)) > Bail out! ERROR:../accel/tcg/tb-maint.c:348:page_unlock__debug: assertion failed: (page_is_locked(pd)) > > Thread 3 "qemu-system-s39" received signal SIGABRT, Aborted. > [Switching to Thread 0x7ffff53516c0 (LWP 215975)] > (gdb) bt > #0 0x00007ffff730dabc in __pthread_kill_implementation () at /lib64/libc.so.6 > #1 0x00007ffff72bc266 in raise () at /lib64/libc.so.6 > #2 0x00007ffff72a4897 in abort () at /lib64/libc.so.6 > #3 0x00007ffff76f0eee in () at /lib64/libglib-2.0.so.0 > #4 0x00007ffff775649a in g_assertion_message_expr () at /lib64/libglib-2.0.so.0 > #5 0x0000555555b96134 in page_unlock__debug (pd=0x7ffee8680440) at ../accel/tcg/tb-maint.c:348 > #6 0x0000555555b962a9 in page_unlock (pd=0x7ffee8680440) at ../accel/tcg/tb-maint.c:397 > #7 0x0000555555b96580 in tb_unlock_pages (tb=0x7fffefffeb00) at ../accel/tcg/tb-maint.c:483 > #8 0x0000555555b94698 in cpu_exec_longjmp_cleanup (cpu=0x555556566a30) at ../accel/tcg/cpu-exec.c:556 > #9 0x0000555555b954e0 in cpu_exec_setjmp (cpu=0x555556566a30, sc=0x7ffff5350540) at ../accel/tcg/cpu-exec.c:1054 > #10 0x0000555555b9557a in cpu_exec (cpu=0x555556566a30) at ../accel/tcg/cpu-exec.c:1083 > #11 0x0000555555bb9af6 in tcg_cpus_exec (cpu=0x555556566a30) at ../accel/tcg/tcg-accel-ops.c:75 > #12 0x0000555555bba1ae in mttcg_cpu_thread_fn (arg=0x555556566a30) at ../accel/tcg/tcg-accel-ops-mttcg.c:95 > #13 0x0000555555dc0af3 in qemu_thread_start (args=0x5555565ba150) at ../util/qemu-thread-posix.c:541 > #14 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #15 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > (gdb) frame 5 > #5 0x0000555555b96134 in page_unlock__debug (pd=0x7ffee8680440) at ../accel/tcg/tb-maint.c:348 > 348 g_assert(page_is_locked(pd)); > (gdb) list 348 > 343 static void page_unlock__debug(const PageDesc *pd) > 344 { > 345 bool removed; > 346 > 347 ht_pages_locked_debug_init(); > 348 g_assert(page_is_locked(pd)); > 349 removed = g_hash_table_remove(ht_pages_locked_debug, pd); > 350 g_assert(removed); > 351 } > 352 > > (gdb) info threads > Id Target Id Frame > 1 Thread 0x7ffff63bef40 (LWP 215971) "qemu-system-s39" 0x00007ffff7385596 in ppoll () from /lib64/libc.so.6 > 2 Thread 0x7ffff63bb6c0 (LWP 215974) "qemu-system-s39" 0x00007ffff738b41d in syscall () from /lib64/libc.so.6 > * 3 Thread 0x7ffff53516c0 (LWP 215975) "qemu-system-s39" 0x00007ffff730dabc in __pthread_kill_implementation () from /lib64/libc.so.6 > 4 Thread 0x7ffff4b506c0 (LWP 215976) "qemu-system-s39" 0x00007ffff730820e in __futex_abstimed_wait_common () from /lib64/libc.so.6 > 5 Thread 0x7ffeefdff6c0 (LWP 215977) "qemu-system-s39" 0x00007ffff730820e in __futex_abstimed_wait_common () from /lib64/libc.so.6 > 6 Thread 0x7ffeef5fe6c0 (LWP 215978) "qemu-system-s39" 0x00007ffff730820e in __futex_abstimed_wait_common () from /lib64/libc.so.6 > 7 Thread 0x7ffeeedfd6c0 (LWP 215979) "qemu-system-s39" 0x00007ffff730820e in __futex_abstimed_wait_common () from /lib64/libc.so.6 > 8 Thread 0x7ffeee5fc6c0 (LWP 215980) "qemu-system-s39" 0x00007ffff730820e in __futex_abstimed_wait_common () from /lib64/libc.so.6 > 9 Thread 0x7ffeeddfb6c0 (LWP 215981) "qemu-system-s39" 0x00007ffff730820e in __futex_abstimed_wait_common () from /lib64/libc.so.6 > 10 Thread 0x7ffeed5fa6c0 (LWP 215982) "qemu-system-s39" 0x00007ffff730820e in __futex_abstimed_wait_common () from /lib64/libc.so.6 > > (gdb) thread apply all bt > > Thread 10 (Thread 0x7ffeed5fa6c0 (LWP 215982) "qemu-system-s39"): > #0 0x00007ffff730820e in __futex_abstimed_wait_common () at /lib64/libc.so.6 > #1 0x00007ffff730af50 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6 > #2 0x0000555555dc02ab in qemu_cond_wait_impl (cond=0x555556803f30, mutex=0x55555632aac0 , file=0x555555f05d6b "../softmmu/cpus.c", line=424) at ../util/qemu-thread-posix.c:225 > #3 0x00005555559d78fb in qemu_wait_io_event (cpu=0x5555567b0600) at ../softmmu/cpus.c:424 > #4 0x0000555555bba27a in mttcg_cpu_thread_fn (arg=0x5555567b0600) at ../accel/tcg/tcg-accel-ops-mttcg.c:123 > #5 0x0000555555dc0af3 in qemu_thread_start (args=0x555556803f70) at ../util/qemu-thread-posix.c:541 > #6 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #7 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 9 (Thread 0x7ffeeddfb6c0 (LWP 215981) "qemu-system-s39"): > #0 0x00007ffff730820e in __futex_abstimed_wait_common () at /lib64/libc.so.6 > #1 0x00007ffff730af50 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6 > #2 0x0000555555dc02ab in qemu_cond_wait_impl (cond=0x5555567b0340, mutex=0x55555632aac0 , file=0x555555f05d6b "../softmmu/cpus.c", line=424) at ../util/qemu-thread-posix.c:225 > #3 0x00005555559d78fb in qemu_wait_io_event (cpu=0x55555675cb10) at ../softmmu/cpus.c:424 > #4 0x0000555555bba27a in mttcg_cpu_thread_fn (arg=0x55555675cb10) at ../accel/tcg/tcg-accel-ops-mttcg.c:123 > #5 0x0000555555dc0af3 in qemu_thread_start (args=0x5555567b0380) at ../util/qemu-thread-posix.c:541 > #6 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #7 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 8 (Thread 0x7ffeee5fc6c0 (LWP 215980) "qemu-system-s39"): > #0 0x00007ffff730820e in __futex_abstimed_wait_common () at /lib64/libc.so.6 > #1 0x00007ffff730af50 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6 > #2 0x0000555555dc02ab in qemu_cond_wait_impl (cond=0x55555675c850, mutex=0x55555632aac0 , file=0x555555f05d6b "../softmmu/cpus.c", line=424) at ../util/qemu-thread-posix.c:225 > #3 0x00005555559d78fb in qemu_wait_io_event (cpu=0x5555567090f0) at ../softmmu/cpus.c:424 > #4 0x0000555555bba27a in mttcg_cpu_thread_fn (arg=0x5555567090f0) at ../accel/tcg/tcg-accel-ops-mttcg.c:123 > #5 0x0000555555dc0af3 in qemu_thread_start (args=0x55555675c890) at ../util/qemu-thread-posix.c:541 > #6 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #7 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 7 (Thread 0x7ffeeedfd6c0 (LWP 215979) "qemu-system-s39"): > #0 0x00007ffff730820e in __futex_abstimed_wait_common () at /lib64/libc.so.6 > #1 0x00007ffff730af50 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6 > #2 0x0000555555dc02ab in qemu_cond_wait_impl (cond=0x555556708e50, mutex=0x55555632aac0 , file=0x555555f05d6b "../softmmu/cpus.c", line=424) at ../util/qemu-thread-posix.c:225 > #3 0x00005555559d78fb in qemu_wait_io_event (cpu=0x5555566b5490) at ../softmmu/cpus.c:424 > #4 0x0000555555bba27a in mttcg_cpu_thread_fn (arg=0x5555566b5490) at ../accel/tcg/tcg-accel-ops-mttcg.c:123 > #5 0x0000555555dc0af3 in qemu_thread_start (args=0x555556708e90) at ../util/qemu-thread-posix.c:541 > #6 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #7 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 6 (Thread 0x7ffeef5fe6c0 (LWP 215978) "qemu-system-s39"): > #0 0x00007ffff730820e in __futex_abstimed_wait_common () at /lib64/libc.so.6 > #1 0x00007ffff730af50 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6 > #2 0x0000555555dc02ab in qemu_cond_wait_impl (cond=0x5555566b51d0, mutex=0x55555632aac0 , file=0x555555f05d6b "../softmmu/cpus.c", line=424) at ../util/qemu-thread-posix.c:225 > #3 0x00005555559d78fb in qemu_wait_io_event (cpu=0x5555566619a0) at ../softmmu/cpus.c:424 > #4 0x0000555555bba27a in mttcg_cpu_thread_fn (arg=0x5555566619a0) at ../accel/tcg/tcg-accel-ops-mttcg.c:123 > #5 0x0000555555dc0af3 in qemu_thread_start (args=0x5555566b5210) at ../util/qemu-thread-posix.c:541 > #6 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #7 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 5 (Thread 0x7ffeefdff6c0 (LWP 215977) "qemu-system-s39"): > #0 0x00007ffff730820e in __futex_abstimed_wait_common () at /lib64/libc.so.6 > #1 0x00007ffff730af50 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6 > #2 0x0000555555dc02ab in qemu_cond_wait_impl (cond=0x5555566616e0, mutex=0x55555632aac0 , file=0x555555f05d6b "../softmmu/cpus.c", line=424) at ../util/qemu-thread-posix.c:225 > #3 0x00005555559d78fb in qemu_wait_io_event (cpu=0x55555660deb0) at ../softmmu/cpus.c:424 > #4 0x0000555555bba27a in mttcg_cpu_thread_fn (arg=0x55555660deb0) at ../accel/tcg/tcg-accel-ops-mttcg.c:123 > #5 0x0000555555dc0af3 in qemu_thread_start (args=0x555556661720) at ../util/qemu-thread-posix.c:541 > #6 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #7 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 4 (Thread 0x7ffff4b506c0 (LWP 215976) "qemu-system-s39"): > #0 0x00007ffff730820e in __futex_abstimed_wait_common () at /lib64/libc.so.6 > #1 0x00007ffff730af50 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6 > #2 0x0000555555dc02ab in qemu_cond_wait_impl (cond=0x55555660dbf0, mutex=0x55555632aac0 , file=0x555555f05d6b "../softmmu/cpus.c", line=424) at ../util/qemu-thread-posix.c:225 > #3 0x00005555559d78fb in qemu_wait_io_event (cpu=0x5555565ba3d0) at ../softmmu/cpus.c:424 > #4 0x0000555555bba27a in mttcg_cpu_thread_fn (arg=0x5555565ba3d0) at ../accel/tcg/tcg-accel-ops-mttcg.c:123 > #5 0x0000555555dc0af3 in qemu_thread_start (args=0x55555660dc30) at ../util/qemu-thread-posix.c:541 > #6 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #7 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 3 (Thread 0x7ffff53516c0 (LWP 215975) "qemu-system-s39"): > #0 0x00007ffff730dabc in __pthread_kill_implementation () at /lib64/libc.so.6 > #1 0x00007ffff72bc266 in raise () at /lib64/libc.so.6 > #2 0x00007ffff72a4897 in abort () at /lib64/libc.so.6 > #3 0x00007ffff76f0eee in () at /lib64/libglib-2.0.so.0 > #4 0x00007ffff775649a in g_assertion_message_expr () at /lib64/libglib-2.0.so.0 > #5 0x0000555555b96134 in page_unlock__debug (pd=0x7ffee8680440) at ../accel/tcg/tb-maint.c:348 > #6 0x0000555555b962a9 in page_unlock (pd=0x7ffee8680440) at ../accel/tcg/tb-maint.c:397 > #7 0x0000555555b96580 in tb_unlock_pages (tb=0x7fffefffeb00) at ../accel/tcg/tb-maint.c:483 > #8 0x0000555555b94698 in cpu_exec_longjmp_cleanup (cpu=0x555556566a30) at ../accel/tcg/cpu-exec.c:556 > #9 0x0000555555b954e0 in cpu_exec_setjmp (cpu=0x555556566a30, sc=0x7ffff5350540) at ../accel/tcg/cpu-exec.c:1054 > #10 0x0000555555b9557a in cpu_exec (cpu=0x555556566a30) at ../accel/tcg/cpu-exec.c:1083 > #11 0x0000555555bb9af6 in tcg_cpus_exec (cpu=0x555556566a30) at ../accel/tcg/tcg-accel-ops.c:75 > #12 0x0000555555bba1ae in mttcg_cpu_thread_fn (arg=0x555556566a30) at ../accel/tcg/tcg-accel-ops-mttcg.c:95 > #13 0x0000555555dc0af3 in qemu_thread_start (args=0x5555565ba150) at ../util/qemu-thread-posix.c:541 > #14 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #15 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 2 (Thread 0x7ffff63bb6c0 (LWP 215974) "qemu-system-s39"): > #0 0x00007ffff738b41d in syscall () at /lib64/libc.so.6 > #1 0x0000555555dc0759 in qemu_futex_wait (f=0x555556352818 , val=4294967295) at /root/git/qemu/include/qemu/futex.h:29 > #2 0x0000555555dc0940 in qemu_event_wait (ev=0x555556352818 ) at ../util/qemu-thread-posix.c:464 > #3 0x0000555555dcd228 in call_rcu_thread (opaque=0x0) at ../util/rcu.c:278 > #4 0x0000555555dc0af3 in qemu_thread_start (args=0x5555563bdf20) at ../util/qemu-thread-posix.c:541 > #5 0x00007ffff730bc64 in start_thread () at /lib64/libc.so.6 > #6 0x00007ffff7393550 in clone3 () at /lib64/libc.so.6 > > Thread 1 (Thread 0x7ffff63bef40 (LWP 215971) "qemu-system-s39"): > #0 0x00007ffff7385596 in ppoll () at /lib64/libc.so.6 > #1 0x0000555555dde228 in qemu_poll_ns (fds=0x55555680ae50, nfds=75, timeout=9378142) at ../util/qemu-timer.c:351 > #2 0x0000555555dd9b50 in os_host_main_loop_wait (timeout=9378142) at ../util/main-loop.c:308 > #3 0x0000555555dd9c7f in main_loop_wait (nonblocking=0) at ../util/main-loop.c:592 > #4 0x00005555559e5c3e in qemu_main_loop () at ../softmmu/runstate.c:732 > #5 0x0000555555bbff42 in qemu_default_main () at ../softmmu/main.c:37 > #6 0x0000555555bbff78 in main (argc=46, argv=0x7fffffffe278) at ../softmmu/main.c:48 > > ---- > > If I build normally without debug-tcg I don't seem to incur in this assertion. > > Since I have some strange misbehavior at runtime, with processes dying with segfaults and the guest kernel complaining: > > [ 2269s] [ 2243.901667][ T8318] User process fault: interruption code 0011 ilc:2 in libc.so.6[3ff87a80000+1c9000] > [ 2269s] [ 2243.904433][ T8318] Failing address: 000002aa0f73f000 TEID: 000002aa0f73f800 > [ 2269s] [ 2243.904952][ T8318] Fault in primary space mode while using user ASCE. > [ 2269s] [ 2243.905405][ T8318] AS:00000000057841c7 R3:0000000001fdc007 S:000000000398c000 P:0000000000000400 > > I thought they might possibly be related.. > > Thanks for any suggestion, > > Claudio > >