On 03/13/2012 05:22 PM, Richard Weinberger wrote: > Am 14.03.2012 01:15, schrieb Boaz Harrosh: >> I guess if you don't have it then you don't. The most reliable way for me to >> get >> it is a simple "halt". I'm not able to ever shut down properly it reliably >> crashes >> like: >> >> Kernel panic - not syncing: Kernel mode fault at addr 0x54, ip 0x6015c233 > > What is at addr 0x6015c233? > "addr2line -e vmlinux 0x6015c233" shows it. >
linux-open-osd/arch/um/drivers/line.c:46 > Does it also happen with a vanilla kernel? > Yes, you mean git checkout v3.2 Yes it's the same all the way back to 2.6.39 or so I just did that I get the same as above: addr2line -e .build_um/vmlinux 0x600179b8 linux-open-osd/arch/um/drivers/line.c:46 >> >> OK then I have a problem because I get the "access not permitted" on >> attaching to any of these >> forks but the top most parent. (as sudo) > > You cannot attach to them because they are already being ptrace()'ed by > the UML main thread. right that what I thought. so if I make a break point that happened in another fork will it trigger still? I guess yes. But if anything goes wrong in any of the other forks, is there a way for me to break that fork into the debugger and see what happened like a bt? My current theory is that Fedora became UML unfriendly is there some random-exec-mem thingy I need to turn off? > > Thanks, > //richard Thanks richard for your help Boaz ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
