On Wed, Apr 30, 2014 at 8:19 PM, Toralf Förster <toralf.foers...@gmx.de> wrote: > -or- it uncovers a bug in kernel v3.15-rc3 for UML:
UML most not panic. :) Do you have the trinity logs? I'd like to know the syscalls parameters. It looks like trinity managed it to crash a thread on the host side. This is why ptrace() failed with ESRCH. > > > commit 23dc478aba4134db51584d19e4783ec87ce87b88 > Author: Dave Jones <da...@redhat.com> > Date: Tue Apr 29 16:42:45 2014 -0400 > > non-biarch arches aren't necessarily 32-bit. > > diff --git a/children/random-syscalls.c b/children/random-syscalls.c > index 82e49f5..1d7e7ce 100644 > --- a/children/random-syscalls.c > +++ b/children/random-syscalls.c > @@ -32,7 +32,6 @@ static bool choose_syscall_table(void) > > if (biarch == FALSE) { > active_syscalls = shm->active_syscalls; > - do32 = TRUE; > } else { > > /* First, check that we have syscalls enabled in either > table. */ > > > > > I do get : > > > Kernel panic - not syncing: do_syscall_stub : PTRACE_SETREGS failed, errno = 3 > > CPU: 0 PID: 1303 Comm: trinity-c0 Not tainted 3.15.0-rc3 #1 > Stack: > 085a4f54 085a4f54 4841fc48 00000004 086c8547 00002b58 00000003 00000011 > 4841fc58 084eae75 00000000 00000000 4841fc80 084e72e0 085b08e8 08700960 > 085ad7b4 4841fc90 00000000 00002b58 00000003 00000011 4841fcb4 080734c5 > Call Trace: > [<080734c5>] ? run_syscall_stub+0x125/0x2c0 > [<084eae75>] dump_stack+0x26/0x28 > [<084e72e0>] panic+0x7a/0x194 > [<080734c5>] run_syscall_stub+0x125/0x2c0 > [<08073b15>] unmap+0xf5/0x110 > [<08061047>] do_ops+0xb7/0x160 > [<080615f8>] fix_range_common+0x448/0x480 > [<080e50f4>] ? vma_interval_tree_insert+0x74/0x80 > [<0806193e>] flush_tlb_range+0x3e/0x40 > [<080f045e>] move_page_tables+0x24e/0x280 > [<080f0577>] move_vma+0xe7/0x230 > [<080eda20>] ? get_unmapped_area+0xa0/0xc0 > [<080f08b8>] SyS_mremap+0x1f8/0x4c0 > [<08062ab4>] handle_syscall+0x64/0x80 > [<0849d4f1>] ? ptrace+0x31/0x80 > [<080797a2>] ? get_fp_registers+0x22/0x40 > [<08074815>] userspace+0x475/0x5f0 > [<0849d4f1>] ? ptrace+0x31/0x80 > [<08079d06>] ? os_set_thread_area+0x26/0x40 > [<08078cd0>] ? do_set_thread_area+0x20/0x50 > [<08078e48>] ? arch_switch_tls+0xb8/0x100 > [<0805f770>] fork_handler+0x60/0x70 > > /home/tfoerste/workspace/bin/start_uml.sh: line 110: 9558 Aborted > (core dumped) $LINUX earlyprintk ubda=$ROOTFS ubdb=$SWAP eth0=$NET > mem=$MEM $TTY umid=uml_$NAME rootfstype=ext4 "$ARGS" > > > -- > Toralf > > > ------------------------------------------------------------------------------ > "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE > Instantly run your Selenium tests across 300+ browser/OS combos. Get > unparalleled scalability from the best Selenium testing platform available. > Simple to use. Nothing to install. Get started now for free." > http://p.sf.net/sfu/SauceLabs > _______________________________________________ > User-mode-linux-devel mailing list > User-mode-linux-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel -- Thanks, //richard ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available. Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel