Date: Wed, 7 Feb 2018 00:25:21 +0100 From: Peter Holm <peter@holm.cc> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r328916 - in head/sys: kern vm Message-ID: <20180206232521.GA41396@x2.osted.lan> In-Reply-To: <20180206230635.GE1063@FreeBSD.org> References: <201802060416.w164G0va096970@repo.freebsd.org> <20180206113017.GA25428@x2.osted.lan> <20180206182839.GB1063@FreeBSD.org> <20180206193430.GA36054@x2.osted.lan> <20180206221555.GC1063@FreeBSD.org> <20180206225244.GA40529@x2.osted.lan> <20180206230635.GE1063@FreeBSD.org>
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On Tue, Feb 06, 2018 at 03:06:35PM -0800, Gleb Smirnoff wrote:
> On Tue, Feb 06, 2018 at 11:52:44PM +0100, Peter Holm wrote:
> P> On Tue, Feb 06, 2018 at 02:15:55PM -0800, Gleb Smirnoff wrote:
> P> > Peter,
> P> >
> P> > can you please check post r328952 kernel?
> P> >
> P>
> P> Sure.
> P>
> P> FreeBSD 12.0-CURRENT #0 r328956: Tue Feb 6 23:26:58 CET 2018
> P> pho@x4.osted.lan:/usr/src/sys/i386/compile/PHO i386
> P> FreeBSD clang version 6.0.0 (branches/release_60 321788) (based on LLVM 6.0.0)
> P> WARNING: WITNESS option enabled, expect reduced performance.
> P> WARNING: DIAGNOSTIC option enabled, expect reduced performance.
> P> Entering uma_startup with 9 boot pages configured
> P> startup_alloc from "UMA Kegs", 8 boot pages left
> P> startup_alloc from "UMA Zones", 7 boot pages left
> P> startup_alloc from "UMA Hash", 6 boot pages left
> P> startup_alloc from "UMA Zones", 5 boot pages left
> P> startup_alloc from "vmem btag", 4 boot pages left
> P> startup_alloc from "MAP", 3 boot pages left
> P> startup_alloc from "UMA Kegs", 2 boot pages left
> P> startup_alloc from "KMAP ENTRY", 1 boot pages left
> P> panic: UMA: Increase vm.boot_pages
>
> Off by one :( Can you please boot with this patch and show dmesg?
>
FreeBSD 12.0-CURRENT #2 r328956M: Wed Feb 7 00:20:47 CET 2018
pho@x4.osted.lan:/usr/src/sys/i386/compile/PHO i386
FreeBSD clang version 6.0.0 (branches/release_60 321788) (based on LLVM 6.0.0)
WARNING: WITNESS option enabled, expect reduced performance.
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
boot_pages master 1
boot_pages zones 3
boot_pages kegs 4
boot_pages hash 5
boot_pages vmem 6
boot_pages kmap 7
Entering uma_startup with 9 boot pages configured
startup_alloc from "UMA Kegs", 8 boot pages left
startup_alloc from "UMA Zones", 7 boot pages left
startup_alloc from "UMA Hash", 6 boot pages left
startup_alloc from "UMA Zones", 5 boot pages left
startup_alloc from "vmem btag", 4 boot pages left
startup_alloc from "MAP", 3 boot pages left
startup_alloc from "UMA Kegs", 2 boot pages left
startup_alloc from "KMAP ENTRY", 1 boot pages left
panic: UMA: Increase vm.boot_pages
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper(c16544c0,c23af290,c1be5bc0,8,c1bbec20,...) at db_trace_self_wrapper+0x2a/frame 0xc2022a70
kdb_backtrace(c164e4f7,1,0,c2022b30,0,...) at kdb_backtrace+0x2d/frame 0xc2022ad8
vpanic(c16a1330,c2022b30,c2022b30,c2022b48,c0fb7983,...) at vpanic+0x133/frame 0xc2022b10
panic(c16a1330,0,c16a0d83,44f,c23b0a80,...) at panic+0x1b/frame 0xc2022b24
startup_alloc(c23b1dc0,1000,0,c2022b7b,102,...) at startup_alloc+0x143/frame 0xc2022b48
keg_alloc_slab(0,2,c16a0d83,987,c23b7000,...) at keg_alloc_slab+0xf6/frame 0xc2022b90
keg_fetch_slab(ffffffff,2,c16a0d83,9e9,c23b1dc0,...) at keg_fetch_slab+0x10e/frame 0xc2022be8
zone_fetch_slab(c23b1dc0,0,ffffffff,2,c23b5000,...) at zone_fetch_slab+0x61/frame 0xc2022c0c
zone_import(c23b1dc0,c2022c68,1,ffffffff,2,...) at zone_import+0x3b/frame 0xc2022c44
zone_alloc_item(ffffffff,2,c16a0d9a,c163583d,c1b5d050,...) at zone_alloc_item+0x3d/frame 0xc2022c78
uma_zalloc_arg(c23b1dc0,0,2,c1b5d050,0,...) at uma_zalloc_arg+0x66c/frame 0xc2022cb4
vmem_create(c16a1d6e,0,0,1000,0,...) at vmem_create+0x2a/frame 0xc2022ce4
vm_mem_init(0,0,0,0,c186aab4,...) at vm_mem_init+0xf4/frame 0xc2022d10
mi_startup() at mi_startup+0xf7/frame 0xc2022d38
begin() at begin+0x2f
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at kdb_enter+0x3a: movl $0,kdb_why
db>
- Peter
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