Bus Error Linux Fix
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How To Solve Bus Error In Linux
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Linux Bus Error Core Dumped
them; it only takes a minute: Sign up “Bus error” system error [closed] up vote 6 down vote favorite 2 I am running a linux tool which uses some system libraries as we as some custom libraries. The purpose
Linux Bus Error Message
of the tool is to access/configure a PCI-express cards that has some firmware running on it. I made some slight change to code,nothing significant and suddenly got a "Bus error". I know that is is caused by unaligned memory access, but in the above context is it more likely to be in the firmware memory, i.e a firmware read across the PCI-express bus. I certainly don't believe that my small software change could have caused the "Bus error". Another how to fix grub error in linux surprising fact is that a different version of software is working well with this firmware. Can anyone throw some light on the issue. linux debugging bus share|improve this question edited May 3 '11 at 13:44 skaffman 276k62614652 asked May 3 '11 at 13:40 liv2hak 3,8391659106 closed as off-topic by Ciro Santilli 烏坎事件2016六四事件 法轮功, Yu Hao, Chris Loonam, John Pirie, Rob Aug 7 '15 at 16:35 This question appears to be off-topic. The users who voted to close gave this specific reason:"Questions seeking debugging help ("why isn't this code working?") must include the desired behavior, a specific problem or error and the shortest code necessary to reproduce it in the question itself. Questions without a clear problem statement are not useful to other readers. See: How to create a Minimal, Complete, and Verifiable example." – Ciro Santilli 烏坎事件2016六四事件 法轮功, Yu Hao, Chris Loonam, John Pirie, RobIf this question can be reworded to fit the rules in the help center, please edit the question. 1 > I certainly don't believe that my small software change could have caused the "Bus error".... –sehe May 3 '11 at 14:21 Voting to close as unclear. We need more details :-) –Ciro Santilli 烏坎事件2016六四事件 法轮功 Aug 7 '15 at 10:55 add a comment| 1 Answer 1 active oldest votes up vote 16 down vote accepted Bus errors are generally caused by applications trying to access memory that hardw
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USA Registered: 2008-06-29 Posts: 170 Website Firefox bus error (solved) Fire fox won't start up and only has one output"bus error"I tried https://bbs.archlinux.org/viewtopic.php?id=64693 reinstalling but it didn't help. Last edited by otacon (2009-02-05 06:26:36) http://remcycle.netCheap Web Hosting and Even Cheaper Domain Registration Offline #2 2009-02-05 04:24:02 Ranguvar Member From: Our https://en.wikipedia.org/wiki/Bus_error collective subconscious Registered: 2008-08-12 Posts: 2,515 Website Re: Firefox bus error (solved) Is DBus running?/etc/rc.d/dbus (try to stop it, if that fails, it may be stopped bus error - try to start it)Most people have HAL as an automatic daemon, which starts DBus automatically. Starting both in rc.conf DAEMONS can cause problems. Offline #3 2009-02-05 05:38:27 otacon Member From: USA Registered: 2008-06-29 Posts: 170 Website Re: Firefox bus error (solved) [otacon@remcycle ~]$ sudo /etc/rc.d/dbus stopPassword::: Stopping D-BUS system messagebus bus error linux [DONE][otacon@remcycle ~]$ sudo /etc/rc.d/dbus start:: Starting D-BUS system messagebus [DONE][otacon@remcycle ~]$ firefoxBus errordidn't seem to help.# Daemons to start at boot-up (in this order)# - prefix a daemon with a ! to disable it# - prefix a daemon with a @ to start it up in the background#DAEMONS=(syslog-ng network netfs crond alsa hal fam kdm)As you can see hal is in the daemons and not dbus so it can't be that.-----------------------------------------------------------------------------------------------I installed firefox before kde and it worked fine in regular xorg then. Last edited by otacon (2009-02-05 05:45:06) http://remcycle.netCheap Web Hosting and Even Cheaper Domain Registration Offline #4 2009-02-05 05:56:22 skottish Forum Fellow From: Here Registered: 2006-06-16 Posts: 7,932 Re: Firefox bus error (solved) There are two things that I can think of, and
challenged and removed. (July 2015) (Learn how and when to remove this template message) In computing, a bus error is a fault raised by hardware, notifying an operating system (OS) that a process is trying to access memory that the CPU cannot physically address: an invalid address for the address bus, hence the name. In modern use on most architectures these are much rarer than segmentation faults, which occur primarily due to memory access violations: problems in the logical address or permissions. On POSIX-compliant platforms, bus errors usually result in the SIGBUS signal being sent to the process that caused the error. SIGBUS can also be caused by any general device fault that the computer detects, though a bus error rarely means that the computer hardware is physically broken—it is normally caused by a bug in a program's source code.[citation needed] Bus errors may also be raised for certain other paging errors; see below. Contents 1 Causes 1.1 Non-existent address 1.2 Unaligned access 1.3 Paging errors 2 Example 3 References Causes[edit] There are at least three main causes of bus errors: Non-existent address[edit] Software instructs the CPU to read or write a specific physical memory address. Accordingly, the CPU sets this physical address on its address bus and requests all other hardware connected to the CPU to respond with the results, if they answer for this specific address. If no other hardware responds, the CPU raises an exception, stating that the requested physical address is unrecognized by the whole computer system. Note that this only covers physical memory addresses. Trying to access an undefined virtual memory address is generally considered to be a segmentation fault rather than a bus error, though if the MMU is separate, the processor can't tell the difference. Unaligned access[edit] Most CPUs are byte-addressable, where each unique memory address refers to an 8-bit byte. Most CPUs can access individual bytes from each memory address, but they generally cannot access larger units (16 bits, 32 bits, 64 bits and