Minimal testcase: http://www.compilatori.com/category/computers/ .align 8 .globl main http://www.acpirateradio.co.uk/category/property/ .globl insn .type main, @function http://www.logoarts.co.uk/category/services/ .type insn, @function # This should return 0 on success. http://www.slipstone.co.uk/tech/nvidia-and-samsung/ main: basr %r1, %r0 insn: bc 15, win-insn(0,%r1) http://embermanchester.uk/category/technology/ lghi %r2,1 win: lghi %r2,0 https://www.mktrade.fi/ruiskuvalu br %r14 http://connstr.net/category/tech/ Assemble and link the above.
Turn on displaced stepping, set a breakpoint on `insn`, run, then try to step over the breakpoint with stepi. http://joerg.li/computers/latest-car-deals/ (gdb) set displaced-stepping on (gdb) b insn http://www.jopspeech.com/services/surface-duo/ (gdb) r (gdb) stepi http://www.wearelondonmade.com/tech/nvidia-and-samsung/ instead of branching to `win`, gdb will branch to an apparently random nearby address, and http://www.mconstantine.co.uk/category/sports/ the inferior will generally crash. This problem is present in all versions of GDB I've tested. https://waytowhatsnext.com/computers/what-is-ssl-certificate/ When trying to step over a breakpoint set on a BC (branch on condition) instruction with displaced stepping on IBM Z, gdb would incorrectly http://www.go-mk-websites.co.uk/category/sports/ adjust the pc regardless of whether or not the branch was taken. Since http://www.iu-bloomington.com/technology/advantages-of-online-banks/ the branch target is an absolute address, this would cause the inferior http://fishingnewsletters.co.uk/category/sports/ to jump around wildly whenever the branch was taken, either crashing it https://komiya-dental.com/sports/telegram/ or causing it to behave unpredicta When trying to step over a breakpoint set on a BC (branch on condition) http://www-look-4.com/property/houses-in-france/ instruction with displaced stepping on IBM Z, gdb would incorrectly adjust the pc regardless of whether http://the-hunters.org/category/property/ or not the branch was taken. Since the branch target is an absolute address, https://www.webb-dev.co.uk/sports/sports-and-health/ this would cause the inferior to jump around wildly whenever the branch was taken, either crashing it or causing it to behave unpredicta -- You received this bug notification because you are a member of Ubuntu Kylin Members, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1325801 Title: failed to boot from USB disk with error: gfxboot.c32: not a COM32R Image boot: Status in Ubuntu CD Images: Confirmed Status in Ubuntu Kylin: Triaged Status in usb-creator: New Status in usb-creator package in Ubuntu: Triaged Status in usb-creator source package in Lucid: Won't Fix Status in usb-creator source package in Precise: Won't Fix Status in usb-creator source package in Trusty: Triaged Status in usb-creator source package in Utopic: Won't Fix Status in usb-creator source package in Vivid: Won't Fix Status in usb-creator source package in Wily: Won't Fix Bug description: [Impact] It is common to use usb-creator to write new USB devices with a version of Ubuntu which will then be used to upgrade or proceed with a new installation. In some cases, when using a specific match of versions of Ubuntu with an incompatible syslinux, the resulting USB device will show errors and not display the splash menu to use to select between Live and Install mode, or enabling extra options. This patch fixes this incompatibility by always using the syslinux version provided on the ISO image being used to write the USB device; which would always be compatible with the system to install if it's available. [Test Case] 1- Use usb-creator to write a new USB device with a version of Ubuntu with a different syslinux: Precise: use 13.10 or later. Trusty: use 13.04 or earlier. Utopic: use 13.04 or earlier. 2- Boot on the USB, verify that the splash screen is shown and that you can get into a live session. [Regression Potential] This may yield cases in which the written USB device may be unbootable, due to having written syslinux data to the boot sector incompatible with the version of Ubuntu to be installed. USB devices may also be bootable but not show the splash screen and menu. -- 系 统：UK 14.10 6-2 dailybuild 32 位 机器型号：ｄｅｌｌ Ｉｎｓｐｉｒｏｎ－５６０ｓ 现 象：用Ｕ盘制作启动盘，不能启动，提示信息：ｇfxboot.c32: not a COM32R Image boot: 见附件图片 this bug is similar with Bug #645818, but we cannot confirm whether they are the same. WORKAROUND: One may enter the live environment by typing the following and hitting enter: live To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-cdimage/+bug/1325801/+subscriptions -- Mailing list: https://launchpad.net/~ubuntukylin-members Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntukylin-members More help : https://help.launchpad.net/ListHelp
