Date: Sat, 29 Aug 2015 23:14:23 -0700 From: Jason Evans <jasone@canonware.com> To: Julien Grall <julien.grall@citrix.com> Cc: jasone@freebsd.org, andrew@fubar.geek.nz, freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: arm64: userspace broken with jemalloc 4.0.0 Message-ID: <52BA8254-5B14-45BC-A434-3DE3E2A9F37B@canonware.com> In-Reply-To: <55E22CC0.9000306@citrix.com> References: <55E22CC0.9000306@citrix.com>
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On Aug 29, 2015, at 3:05 PM, Julien Grall <julien.grall@citrix.com> = wrote: > I've built the latest freebsd master (r287263) for arm64 today. While > trying to use the userspace I hit some ASSERT in jemalloc: >=20 > # ls > <jemalloc>: = /usr/src/freebsd/lib/libc/../../contrib/jemalloc/include/jemalloc/internal= /arena.h:571: Failed assertion: "pageind >=3D map_bias" > pid 21 (ls), uid 0: exited on signal 6 > Abort trap >=20 > It's happening every time with the command "ls". >=20 > I tried to use the previous version of jemalloc (i.e reverting > all the patches up to "Update jemalloc to version 4.0.0" included) > and everything is working. >=20 > Note that I'm using Freebsd as a Xen ARM guest although the only > difference is the version of jemalloc (4.0.0 vs 3.6.0). >=20 > Does anyone using arm64 have seen a similar ASSERT? >=20 > BTW, is there any way to rebuild only the libc rather than doing > make buildworld everytime I modified the jemalloc code? What is the page size on arm64? If it's greater than 8 KiB, I know what = the problem is and have a patch that I've already tested and can = integrate tomorrow when I'm awake enough not fat-finger it. = https://github.com/jemalloc/jemalloc/commit/5ef33a9f2b9f4fb56553529f7b31f4= f5f57ce014 Thanks, Jason
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