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Compiler segfaults on alpha while compiling kernel
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twistd roach
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Joined: 26 Feb 2003
Posts: 7
Location: MA

PostPosted: Sat Jan 19, 2019 11:57 am    Post subject: Compiler segfaults on alpha while compiling kernel Reply with quote

Seeing this on a 466MHz EV6 alpha (DS10L) with 256M ram...I haven't looked at the code yet - wondering if anyone else has seen this? (seems unlikely :))

Code:

*kernel/sched/fair.c: In function ‘load_balance’:
*kernel/sched/fair.c:8102:12: internal compiler error: Segmentation fault
* static int load_balance(int this_cpu, struct rq *this_rq,
*            ^~~~~~~~~~~~
*{standard input}: Assembler messages:
*{standard input}:15480: Warning: end of file not at end of a line; newline inserted
*{standard input}:15815: Error: inappropriate arguments for opcode `bne'
*{standard input}: Warning: .ent directive without matching .end
*{standard input}: Error: open CFI at the end of file; missing .cfi_endproc directive
*gcc: internal compiler error: Segmentation fault (program cc1)
*Please submit a full bug report,
*with preprocessed source if appropriate.
*See <https://bugs.gentoo.org/> for instructions.
*make[2]: *** [scripts/Makefile.build:328: kernel/sched/fair.o] Error 4
*make[1]: *** [scripts/Makefile.build:587: kernel/sched] Error 2
*make: *** [Makefile:1039: kernel] Error 2
*--
* Running with options: all
* Using genkernel.conf from /etc/genkernel.conf
* Sourcing arch-specific config.sh from /usr/share/genkernel/arch/alpha/config.sh ..
* Sourcing arch-specific modules_load from /usr/share/genkernel/arch/alpha/modules_load ..
*
* ERROR: Failed to compile the "boot" target...
*
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eccerr0r
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Joined: 01 Jul 2004
Posts: 7192
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PostPosted: Sat Jan 19, 2019 9:01 pm    Post subject: Reply with quote

With the age of these machines, may need to look into hardware problems, loose memory chips, etc.

I'd be quite hesitant to compile with 256MB RAM with modern software...what version of the compiler are you using?
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twistd roach
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Joined: 26 Feb 2003
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Location: MA

PostPosted: Sat Jan 19, 2019 11:38 pm    Post subject: Reply with quote

Looking at the hardware is a good point I hadn't thought of before. I'm not even sure if this model has ECC ram or not. Thanks for the pointer. I'll report what I find!
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