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Date: Tue, 05 Aug 2008 17:49:32 +0200 From: Gerald Schaefer <gerald.schaefer@...ibm.com> To: Nishanth Aravamudan <nacc@...ibm.com> Cc: schwidefsky@...ibm.com, LKML <linux-kernel@...r.kernel.org>, agl@...ibm.com Subject: Re: s390 hugetlb oops with libhugetlbfs test-suite On Tue, 2008-07-29 at 14:46 -0700, Nishanth Aravamudan wrote: > Beyond the counters case, I saw one other issue on s390 (haven't > confirmed if it happens anywhere else), the icache-hygiene test, when > run manually a few times, will fail every so often claiming that one of > the mmap()s returned ENOMEM. I haven't had time to track that down yet, > but it might be because of the address space layout and the size of the > hugepage on s390. I have posted a patch that will fix the counters oops. So far, I could not reproduce the icache-hygiene problem, did you use hardware large page support or software emulation? But I probably noticed a similar one: map_high_truncate_2 (32): FAIL mmap() 1: Cannot allocate memory That one should be because of the 31-bit address space layout on s390, as it tries to mmap too much (1.5GB). I also noticed that task-size-overrun (64) seems to hang up on my system, I can only continue after ctrl+c, can you verify that? Thanks, Gerald -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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