1473 2011-09-13 07:18:20 +0000 Prelink causes x86 and qemuarm failures when built on 32bit system 2011-09-16 09:01:12 +0000 1 1 6 Yocto Project Subprojects Cross-prelink cross-prelink unspecified x86 Multiple RESOLVED FIXED High critical 1.1 M4 1 sgw mark.hatle richard.purdie sgw yp.cp.watcher yp.watcher --- --- --- oldest_to_newest 16140 0 sgw 2011-09-13 07:18:20 +0000 When prelinker is enable on 32bit host system, it fails to build correct images for qemux86 and qemuarm. On qemux86, the image fails to boot with a segfault and kernel panic during the init phase. Freeing unused kernel memory: 444k freed usb 1-1: new full speed USB device number 2 using uhci_hcd INIT: version 2.88 booting init[1]: segfault at 38 ip 45a0a6c7 sp bfe15e6c error 4 in libc-2.13.so[45995000+15f000] init[1]: segfault at 16 ip 0804b3c7 sp bfe15ae0 error 4 in init.sysvinit[8048000+7000] Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init Not tainted 3.0.4-yocto-standard+ #1 Call Trace: [<c14e6933>] ? printk+0x1d/0x1f [<c14e6838>] panic+0x66/0x144 [<c1036323>] do_exit+0x733/0x7f0 [<c10366b4>] do_group_exit+0x34/0xa0 [<c1044bd0>] get_signal_to_deliver+0x1e0/0x560 [<c1001dbc>] do_signal+0x6c/0x860 [<c14e6933>] ? printk+0x1d/0x1f [<c14e64be>] ? __bad_area_nosemaphore+0x111/0x120 [<c14e651d>] ? bad_area+0x37/0x3d [<c14ee620>] ? spurious_fault+0xcd/0xcd [<c14eea36>] ? do_page_fault+0x416/0x490 [<c10de31f>] ? vfs_read+0x11f/0x160 [<c14ee620>] ? spurious_fault+0xcd/0xcd [<c10028c7>] do_notify_resume+0x77/0xa0 [<c14ec4ca>] work_notifysig+0x13/0x19 [<c14ee620>] ? spurious_fault+0xcd/0xcd [sudo] password for sgw: For qemuarm, it hangs during pslplash before Sato starts. I do not have more details on which process hangs at this point. By disabling the prelink process, both pass these issues correctly. 16156 1 mark.hatle 2011-09-13 17:08:33 +0000 I have a potential fix for this issue: --- a/trunk/src/rtld/rtld.c +++ b/trunk/src/rtld/rtld.c @@ -1120,7 +1120,7 @@ process_one_dso (DSO *dso, int host_paths) (size_t) (l->l_map_start - cur_dso_ent->dso->base)); if (l->l_tls_modid) - printf (" TLS(0x%Zx, 0x%0*Zx)\n", l->l_tls_modid, + printf (" TLS(0x%Zx, 0x%0*Zx)\n", (size_t) l->l_tls_modid, (int) size_pointer, (size_t) l->l_tls_offset); else Initial testing on 32-bit host, targeting x86 and arm targets is positive. 16263 2 mark.hatle 2011-09-16 09:01:12 +0000 Change has been checked in, and appears to be working.