Date: Tue, 4 Apr 2017 17:46:47 +0100 From: Arthur Chance <freebsd@qeng-ho.org> To: Antonio Olivares <olivares14031@gmail.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Segmentation fault at address 0x818007000 Message-ID: <9fd388eb-ef96-b9e6-6ebe-2d2fd90e1cca@qeng-ho.org> In-Reply-To: <CAJ5UdcO1AzFfHXyy4F1qW04GqB%2BGrEXSt49wUwxc2DsAbunBJg@mail.gmail.com> References: <CAJ5UdcMd=PiszQjk-dHSaNMdnMmg%2Bm5mMnyEGDTmoC8-32rT9g@mail.gmail.com> <CAJ5UdcO4vSUtW1__P-WCW5FwN4GV6UrbUBvJtvUhb9%2BOQrh9Xg@mail.gmail.com> <790c8e32-0a83-a39b-ed1e-7d18a8aa474f@qeng-ho.org> <CAJ5UdcO1AzFfHXyy4F1qW04GqB%2BGrEXSt49wUwxc2DsAbunBJg@mail.gmail.com>
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On 04/04/2017 16:58, Antonio Olivares wrote: > On Tue, Apr 4, 2017 at 10:43 AM, Arthur Chance <freebsd@qeng-ho.org> wrote: >> On 04/04/2017 16:32, Antonio Olivares wrote: >>> On Mon, Apr 3, 2017 at 2:30 PM, Antonio Olivares >>> <olivares14031@gmail.com> wrote: >>>> Dear Folks, >>>> >>>> on an 11-RELEASE-p8 amd64 bit machine, updated to latest with pkg >>>> update and pkg upgrade. Machine was working great. I update to latest >>>> packages, now I get a segmenation fault. How do I fix this ? I can >>>> get screenshoot if needed. How does one downgrade Xorg? >>>> >>>> Any Ideas? >>>> >>>> Thanks, >>>> >>>> >>>> Antonio >> [cut] >>> >>> [ 712.646] (EE) 4: /usr/local/llvm39/lib/libLLVM-3.9.so >>> (_ZN4llvm13StringMapImpl15LookupBucketForENS_9StringRefE+0xf0) >>> [0x8094c0340] >>> >>> [ 712.651] (EE) 5: /usr/local/llvm39/lib/libLLVM-3.9.so >>> (LLVMParseCommandLineOptions+0x7cf) [0x80948497f] >>> >>> [ 712.656] (EE) 6: /usr/local/llvm39/lib/libLLVM-3.9.so >>> (LLVMParseCommandLineOptions+0x92c) [0x809484c1c] >>> >>> [ 712.660] (EE) 7: /usr/local/llvm39/lib/libLLVM-3.9.so >>> (_ZN4llvm2cl6Option11addArgumentEv+0x7c) [0x809478dec] >>> >>> [ 712.664] (EE) 8: /usr/local/llvm37/lib/libLLVMSupport.so.3.7 >>> (_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessINS_4pairIN4llvm10TimeRecordENS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEEESB_EEPSB_EEbT0_SF_T_+0x67d) >>> [0x817fae31d] >>> >>> [ 712.669] (EE) 9: /usr/local/llvm37/lib/libLLVMSupport.so.3.7 >>> (_ZN4llvm3sys8WatchdogD1Ev+0x32) [0x817fe6264] >>> >>> [ 712.673] (EE) 10: /usr/local/llvm37/lib/libLLVMSupport.so.3.7 >>> (_init+0xe) [0x817f44ebc] >> [more cut] >> >> Notice you have a mix of llvm37 and llvm39 in there. This keeps coming >> up. You have two versions of llvm present, and X is getting a mix of >> both, leading to a screwed up runtime system. Delete llvm37 and you >> should be OK. >> >> -- >> By June 1949, people had begun to realize that it was not so easy to >> get a program right as had at one time appeared. It was on one of my >> journeys between the EDSAC room and the punching equipment that the >> realization came over me with full force that a good part of the >> remainder of my life was going to be spent in finding errors in my own >> programs. >> >> -- Maurice Wilkes > > Thank you for your advice. Doing a > # pkg delete llvm37 > > fixed the segmentation fault error. Now I have a working X again :) > How to prevent something like this to happen again? I was worried > that I had to downgrade Xorg packages or similar. [I thought I'd sent this mail before but my mail system has no record of it. Apologies if this is a duplicate.] I don't thin it's possible to make the different llvm versions conflicts with each other as I don't think they are and some developers may have good reason to want multiple versions present. I don't know the X server related ports well enough to suggest a fix there. For now I resolve the problem manually. After doing 'pkg upgrade' I do a 'pkg info -x llvm' and remove any duplicates before restarting X. It could be scripted, I've just not bothered so far. -- By June 1949, people had begun to realize that it was not so easy to get a program right as had at one time appeared. It was on one of my journeys between the EDSAC room and the punching equipment that the realization came over me with full force that a good part of the remainder of my life was going to be spent in finding errors in my own programs. -- Maurice Wilkes
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