From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <cl@linux.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
Tejun Heo <tj@kernel.org>
Subject: Re: linux-next: build failure after merge of the final tree (slab tree related)
Date: Tue, 24 Aug 2010 21:32:09 +0300 [thread overview]
Message-ID: <4C741029.7090300@cs.helsinki.fi> (raw)
In-Reply-To: <alpine.DEB.2.00.1008241256280.4763@router.home>
On 24.8.2010 20.59, Christoph Lameter wrote:
> On Tue, 24 Aug 2010, Pekka Enberg wrote:
>
>> Thanks for the report. The problem should be fixed by this commit:
>
> Its not that easy. __alloc_percpu falls back to kzalloc() on UP and this
> can result in unique bootstrap problems with UP since the bootstrap array
> is no longer there. Does the UP kernel boot?
No, I get this under kvm:
[ 0.000000] Linux version 2.6.36-rc2+ (penberg@tiger) (gcc version
4.4.1 (Ubuntu 4.4.1-4ubuntu9) ) #103 Tue Aug 24 21:27:28 EEST 2010
[ 0.000000] Command line: notsc nolapic nosmp noacpi pci=conf1
earlyprintk=ttyS0,keep
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
[ 0.000000] BIOS-e820: 00000000000f0000 - 00000000000fffff (reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 0000000004000000 (usable)
[ 0.000000] console [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] DMI not present or invalid.
[ 0.000000] No AGP bridge found
[ 0.000000] last_pfn = 0x4000 max_arch_pfn = 0x400000000
[ 0.000000] x86 PAT enabled: cpu 0, old 0x0, new 0x7010600070106
[ 0.000000] CPU MTRRs all blank - virtualized system.
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] modified physical RAM map:
[ 0.000000] modified: 0000000000000000 - 0000000000010000 (reserved)
[ 0.000000] modified: 0000000000010000 - 000000000009fc00 (usable)
[ 0.000000] modified: 000000000009fc00 - 00000000000a0000 (reserved)
[ 0.000000] modified: 00000000000f0000 - 00000000000fffff (reserved)
[ 0.000000] modified: 0000000000100000 - 0000000004000000 (usable)
[ 0.000000] init_memory_mapping: 0000000000000000-0000000004000000
[ 0.000000] ACPI Error: A valid RSDP was not found
(20100702/tbxfroot-219)
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: cpu 0, msr 0:1945621, boot clock
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000010 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal empty
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[2] active PFN ranges
[ 0.000000] 0: 0x00000010 -> 0x0000009f
[ 0.000000] 0: 0x00000100 -> 0x00004000
[ 0.000000] No local APIC present
[ 0.000000] APIC: disable apic facility
[ 0.000000] APIC: switched to apic NOOP
[ 0.000000] PM: Registered nosave memory: 000000000009f000 -
00000000000a0000
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 -
00000000000f0000
[ 0.000000] PM: Registered nosave memory: 00000000000f0000 -
00000000000ff000
[ 0.000000] PM: Registered nosave memory: 00000000000ff000 -
0000000000100000
[ 0.000000] Allocating PCI resources starting at 4000000 (gap:
4000000:fc000000)
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
Total pages: 16047
[ 0.000000] Kernel command line: notsc nolapic nosmp noacpi pci=conf1
earlyprintk=ttyS0,keep
[ 0.000000] notsc: Kernel compiled with CONFIG_X86_TSC, cannot
disable TSC completely.
[ 0.000000] PID hash table entries: 256 (order: -1, 2048 bytes)
[ 0.000000] Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.000000] Inode-cache hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Subtract (23 early reservations)
[ 0.000000] #0 [0001000000 - 0001b751a0] TEXT DATA BSS
[ 0.000000] #1 [000009f000 - 0000100000] BIOS reserved
[ 0.000000] #2 [0000010000 - 0000012000] TRAMPOLINE
[ 0.000000] #3 [0000012000 - 0000016000] ACPI WAKEUP
[ 0.000000] #4 [0001b751c0 - 0001b761c0] BOOTMEM
[ 0.000000] #5 [0001f761c0 - 0001f761d8] BOOTMEM
[ 0.000000] #6 [0002377000 - 0002378000] BOOTMEM
[ 0.000000] #7 [0002378000 - 0002379000] BOOTMEM
[ 0.000000] #8 [0002400000 - 0002600000] MEMMAP 0
[ 0.000000] #9 [0001b761c0 - 0001b762c0] BOOTMEM
[ 0.000000] #10 [0001b762c0 - 0001b766c0] BOOTMEM
[ 0.000000] #11 [0001b77000 - 0001b78000] BOOTMEM
[ 0.000000] #12 [0001b766c0 - 0001b767d8] BOOTMEM
[ 0.000000] #13 [0001b76800 - 0001b76868] BOOTMEM
[ 0.000000] #14 [0001b76880 - 0001b768e8] BOOTMEM
[ 0.000000] #15 [0001b76900 - 0001b76968] BOOTMEM
[ 0.000000] #16 [0001b76980 - 0001b769e8] BOOTMEM
[ 0.000000] #17 [0001b76a00 - 0001b76a20] BOOTMEM
[ 0.000000] #18 [0001b76a40 - 0001b76a7d] BOOTMEM
[ 0.000000] #19 [0001b76a80 - 0001b76abd] BOOTMEM
[ 0.000000] #20 [0001b78000 - 0001b78800] BOOTMEM
[ 0.000000] #21 [0001b78800 - 0001b88800] BOOTMEM
[ 0.000000] #22 [0001b88800 - 0001b90800] BOOTMEM
[ 0.000000] Memory: 51156k/65536k available (6550k kernel code, 452k
absent, 13928k reserved, 3761k data, 764k init)
[ 0.000000] Kernel panic - not syncing: Cannot create slab kmem_cache
size=232 realsize=256 order=0 offset=0 flags=42000
[ 0.000000]
[ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.36-rc2+ #103
[ 0.000000] Call Trace:
[ 0.000000] [<ffffffff81659a35>] panic+0x91/0x19b
[ 0.000000] [<ffffffff81126e59>] kmem_cache_open+0x1e9/0x200
[ 0.000000] [<ffffffff81a3141a>] kmem_cache_init+0x57/0x300
[ 0.000000] [<ffffffff81a14a97>] start_kernel+0x1ca/0x396
[ 0.000000] [<ffffffff81a14325>] x86_64_start_reservations+0x12c/0x130
[ 0.000000] [<ffffffff81a14423>] x86_64_start_kernel+0xfa/0x109
> Why did this ever build on my UP configuration tests? Hmmm... I only
> tested x86_64 UP. This was 32 bit UP I guess.
I could reproduce the build problem with x86-64 and !CONFIG_SMP so it's
not related to 32-bit.
next prev parent reply other threads:[~2010-08-24 18:32 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-24 2:07 linux-next: build failure after merge of the final tree (slab tree related) Stephen Rothwell
2010-08-24 17:41 ` Pekka Enberg
2010-08-24 17:59 ` Christoph Lameter
2010-08-24 18:32 ` Pekka Enberg [this message]
2010-08-24 18:53 ` Christoph Lameter
2010-08-25 8:18 ` Tejun Heo
2010-08-25 8:57 ` Pekka Enberg
2010-08-25 13:50 ` Christoph Lameter
2010-08-26 8:35 ` Tejun Heo
2010-09-03 16:25 ` [PATCH 1/3] vmalloc: pcpu_get/free_vm_areas() aren't needed on UP Tejun Heo
2010-09-03 17:16 ` Christoph Lameter
2010-09-03 16:26 ` [PATCH 2/3] percpu: reduce PCPU_MIN_UNIT_SIZE to 32k Tejun Heo
2010-09-03 17:18 ` Christoph Lameter
2010-09-03 16:26 ` [PATCH 3/3] percpu: use percpu allocator on UP too Tejun Heo
2010-09-03 18:43 ` Christoph Lameter
2010-09-04 6:54 ` Pekka Enberg
2010-09-04 9:47 ` Tejun Heo
2010-09-08 9:17 ` Tejun Heo
2010-09-10 14:59 ` Tejun Heo
2010-09-18 17:47 ` Pekka Enberg
2010-09-03 16:27 ` [PATCH RESEND 1/3] vmalloc: pcpu_get/free_vm_areas() aren't needed on UP Tejun Heo
2010-08-25 20:12 ` linux-next: build failure after merge of the final tree (slab tree related) Christoph Lameter
2010-08-25 21:37 ` Christoph Lameter
2010-08-25 0:13 ` Stephen Rothwell
2010-08-25 4:46 ` Pekka Enberg
2010-08-25 14:07 ` Christoph Lameter
2010-08-26 0:01 ` David Rientjes
2010-08-26 1:35 ` Christoph Lameter
2010-08-26 3:16 ` David Rientjes
2010-08-26 14:41 ` Christoph Lameter
2010-08-26 18:16 ` Pekka Enberg
-- strict thread matches above, loose matches on Subject: below --
2013-08-14 7:53 Stephen Rothwell
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