When I try gdb-5.3.90 with uml in vanilla-2.6.10 kernel. I found a problem.
When I set a breakpoint somewhere, and after some step, uml will always get a SIGTRAP signal and trap into gdb.
Does anyone met the same problem as me? Any known fix for it?
No, I don't think there is any known fix for it. However, does this problem keep on and makes debugging impossible (i.e., after you "cont", does it keep stopping)?
Hmm, are you doing debugging in SKAS or in TT mode? In the second case, then it can be a bug in the ptrace proxy (which has a big bug with some gdb releases >= 6.0).
In the first case, maybe it's something I observed too (I'm not sure because I don't use a lot gdb with UML)... Better, I've observed breakpoints being *skipped* by gdb.
I'm sorry for the late response since away for a few days. It turn out to be the rootfs problem, although I don't know why (not related to tls), change to a new rootfs fixed it. Maybe don't need to chase more on this.
And appreciate you and Jeff's reply.
Eric
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