* Re: X or AF_UNIX and order 3 allocation [not found] <20080415211055.882e67fe.zaitcev@redhat.com> @ 2008-04-16 4:51 ` David Miller 2008-04-16 15:52 ` Stephen Hemminger 0 siblings, 1 reply; 4+ messages in thread From: David Miller @ 2008-04-16 4:51 UTC (permalink / raw) To: zaitcev; +Cc: netdev, linux-kernel From: Pete Zaitcev <zaitcev@redhat.com> Date: Tue, 15 Apr 2008 21:10:55 -0700 > Hi, Guys: > > Not sure if the problem is caused by X or kernel, but this is what It seems to be the b44 driver doing a large huge order allocation. That driver only asks for (1536 + 30 + 64) bytes, so I suppose part of the problem is that SLAB is using an order 3 allocation to satisfy that. lkml added to CC: > Apr 13 18:19:14 niphredil kernel: Xorg: page allocation failure. order:3, mode:0x4020 > Apr 13 18:19:14 niphredil kernel: Pid: 2399, comm: Xorg Not tainted 2.6.25-0.195.rc8.git1.fc9.x86_64 #1 > Apr 13 18:19:14 niphredil kernel: > Apr 13 18:19:14 niphredil kernel: Call Trace: > Apr 13 18:19:14 niphredil kernel: <IRQ> [__alloc_pages+931/963] __alloc_pages+0x3a3/0x3c3 > Apr 13 18:19:14 niphredil kernel: [unfreeze_slab+112/179] ? unfreeze_slab+0x70/0xb3 > Apr 13 18:19:14 niphredil kernel: [alloc_pages_current+256/265] alloc_pages_current+0x100/0x109 > Apr 13 18:19:14 niphredil kernel: [new_slab+74/585] new_slab+0x4a/0x249 > Apr 13 18:19:14 niphredil kernel: [__slab_alloc+593/1248] __slab_alloc+0x251/0x4e0 > Apr 13 18:19:14 niphredil kernel: [__netdev_alloc_skb+49/79] ? __netdev_alloc_skb+0x31/0x4f > Apr 13 18:19:14 niphredil kernel: [__kmalloc_node_track_caller+138/226] __kmalloc_node_track_caller+0x8a/0xe2 > Apr 13 18:19:14 niphredil kernel: [sched_clock+80/109] ? native_sched_clock+0x50/0x6d > Apr 13 18:19:14 niphredil kernel: [__netdev_alloc_skb+49/79] ? __netdev_alloc_skb+0x31/0x4f > Apr 13 18:19:14 niphredil kernel: [__alloc_skb+111/309] __alloc_skb+0x6f/0x135 > Apr 13 18:19:14 niphredil kernel: [__netdev_alloc_skb+49/79] __netdev_alloc_skb+0x31/0x4f > Apr 13 18:19:14 niphredil kernel: [_end+108612744/2109740072] :b44:b44_alloc_rx_skb+0x43/0x2c0 > Apr 13 18:19:14 niphredil kernel: [_end+108621334/2109740072] :b44:b44_poll+0x240/0x4ea > Apr 13 18:19:14 niphredil kernel: [net_rx_action+217/526] net_rx_action+0xd9/0x20e > Apr 13 18:19:14 niphredil kernel: [__do_softirq+112/241] __do_softirq+0x70/0xf1 > Apr 13 18:19:14 niphredil kernel: [call_softirq+28/40] call_softirq+0x1c/0x28 > Apr 13 18:19:14 niphredil kernel: [do_softirq+57/138] do_softirq+0x39/0x8a > Apr 13 18:19:14 niphredil kernel: [irq_exit+78/143] irq_exit+0x4e/0x8f > Apr 13 18:19:14 niphredil kernel: [do_IRQ+325/359] do_IRQ+0x145/0x167 > Apr 13 18:19:14 niphredil kernel: [ret_from_intr+0/15] ret_from_intr+0x0/0xf > Apr 13 18:19:14 niphredil kernel: <EOI> [_spin_unlock_irqrestore+66/71] ? _spin_unlock_irqrestore+0x42/0x47 > Apr 13 18:19:14 niphredil kernel: [add_wait_queue+55/64] ? add_wait_queue+0x37/0x40 > Apr 13 18:19:14 niphredil kernel: [__pollwait+214/224] ? __pollwait+0xd6/0xe0 > Apr 13 18:19:14 niphredil kernel: [unix_poll+35/164] ? unix_poll+0x23/0xa4 > Apr 13 18:19:14 niphredil kernel: [sock_poll+24/26] ? sock_poll+0x18/0x1a > Apr 13 18:19:14 niphredil kernel: [do_select+841/1339] ? do_select+0x349/0x53b > Apr 13 18:19:14 niphredil kernel: [__pollwait+0/224] ? __pollwait+0x0/0xe0 > Apr 13 18:19:14 niphredil kernel: [default_wake_function+0/15] ? default_wake_function+0x0/0xf > Apr 13 18:19:15 niphredil kernel:last message repeated 9 times > Apr 13 18:19:14 niphredil kernel: [core_sys_select+486/660] ? core_sys_select+0x1e6/0x294 > Apr 13 18:19:14 niphredil kernel: [sched_clock+80/109] ? native_sched_clock+0x50/0x6d > Apr 13 18:19:14 niphredil kernel: [hrtimer_try_to_cancel+112/121] ? hrtimer_try_to_cancel+0x70/0x79 > Apr 13 18:19:14 niphredil kernel: [sched_clock+80/109] ? native_sched_clock+0x50/0x6d > Apr 13 18:19:14 niphredil kernel: [do_setitimer+387/805] ? do_setitimer+0x183/0x325 > Apr 13 18:19:14 niphredil kernel: [lock_release_holdtime+30/264] ? lock_release_holdtime+0x1e/0x108 > Apr 13 18:19:14 niphredil kernel: [_spin_unlock_irq+43/48] ? _spin_unlock_irq+0x2b/0x30 > Apr 13 18:19:14 niphredil kernel: [trace_hardirqs_on+241/277] ? trace_hardirqs_on+0xf1/0x115 > Apr 13 18:19:14 niphredil kernel: [sys_select+181/343] ? sys_select+0xb5/0x157 > Apr 13 18:19:14 niphredil kernel: [tracesys+213/218] ? tracesys+0xd5/0xda ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: X or AF_UNIX and order 3 allocation 2008-04-16 4:51 ` X or AF_UNIX and order 3 allocation David Miller @ 2008-04-16 15:52 ` Stephen Hemminger 2008-04-16 16:59 ` Pete Zaitcev 0 siblings, 1 reply; 4+ messages in thread From: Stephen Hemminger @ 2008-04-16 15:52 UTC (permalink / raw) To: David Miller; +Cc: zaitcev, netdev, linux-kernel On Tue, 15 Apr 2008 21:51:44 -0700 (PDT) David Miller <davem@davemloft.net> wrote: > From: Pete Zaitcev <zaitcev@redhat.com> > Date: Tue, 15 Apr 2008 21:10:55 -0700 > > > Hi, Guys: > > > > Not sure if the problem is caused by X or kernel, but this is what > > It seems to be the b44 driver doing a large huge order allocation. > > That driver only asks for (1536 + 30 + 64) bytes, so I suppose part of > the problem is that SLAB is using an order 3 allocation to satisfy > that. > The chip needs memory below 1G for DMA, perhaps low memory is getting exhausted. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: X or AF_UNIX and order 3 allocation 2008-04-16 15:52 ` Stephen Hemminger @ 2008-04-16 16:59 ` Pete Zaitcev 2008-04-27 16:48 ` [ipw2100, b44] " Pekka Pietikainen 0 siblings, 1 reply; 4+ messages in thread From: Pete Zaitcev @ 2008-04-16 16:59 UTC (permalink / raw) To: Stephen Hemminger; +Cc: David Miller, netdev, linux-kernel, zaitcev On Wed, 16 Apr 2008 08:52:13 -0700, Stephen Hemminger <shemminger@vyatta.com> wrote: > > > Not sure if the problem is caused by X or kernel, but this is what > > > > It seems to be the b44 driver doing a large huge order allocation. > > > > That driver only asks for (1536 + 30 + 64) bytes, so I suppose part of > > the problem is that SLAB is using an order 3 allocation to satisfy > > that. > The chip needs memory below 1G for DMA, perhaps low memory is getting > exhausted. The failure corresponds to memory pressure (from yum), but the real issue is the lack of order 3 areas. We're talking a 32KB chunk! Why would anyone need that much? Crazy! Apr 13 18:19:14 niphredil kernel: Xorg: page allocation failure. order:3, mode:0x4020 I blame SLUB. Things like the above never happened with SLAB. -- Pete ^ permalink raw reply [flat|nested] 4+ messages in thread
* [ipw2100, b44] Re: X or AF_UNIX and order 3 allocation 2008-04-16 16:59 ` Pete Zaitcev @ 2008-04-27 16:48 ` Pekka Pietikainen 0 siblings, 0 replies; 4+ messages in thread From: Pekka Pietikainen @ 2008-04-27 16:48 UTC (permalink / raw) To: Pete Zaitcev; +Cc: Stephen Hemminger, David Miller, netdev, linux-kernel On Wed, Apr 16, 2008 at 09:59:38AM -0700, Pete Zaitcev wrote: > > > It seems to be the b44 driver doing a large huge order allocation. > > > That driver only asks for (1536 + 30 + 64) bytes, so I suppose part of > > > the problem is that SLAB is using an order 3 allocation to satisfy > > > that. > > The chip needs memory below 1G for DMA, perhaps low memory is getting > > exhausted. > The failure corresponds to memory pressure (from yum), but the real issue > is the lack of order 3 areas. We're talking a 32KB chunk! Why would anyone > need that much? Crazy! Here too, but with ipw2100 not b44 (-rc8.git7, which has otherwise been running quite happily for a few weeks) swapper: page allocation failure. order:3, mode:0x4020 Pid: 0, comm: swapper Not tainted 2.6.25-0.218.rc8.git7.fc9.i686 #1 [<c0466d66>] __alloc_pages+0x2cf/0x2e6 [<c047e8f9>] __slab_alloc+0x19e/0x529 [<c047fbc4>] __kmalloc_track_caller+0x87/0xca [<f09f8e00>] ? ipw2100_alloc_skb+0x19/0x5c [ipw2100] [<f09f8e00>] ? ipw2100_alloc_skb+0x19/0x5c [ipw2100] [<c05b4c30>] __alloc_skb+0x49/0xf8 [<f09f8e00>] ipw2100_alloc_skb+0x19/0x5c [ipw2100] [<f09f9599>] ipw2100_irq_tasklet+0x4b1/0x6e0 [ipw2100] [<c042b161>] tasklet_action+0x5e/0xb3 [<c042b879>] __do_softirq+0x79/0xe7 [<c0407edf>] do_softirq+0x74/0xb5 [<c045ccde>] ? handle_level_irq+0x0/0xbe [<c042b681>] irq_exit+0x38/0x6b [<c0407fcc>] do_IRQ+0xac/0xc4 [<c04066eb>] common_interrupt+0x23/0x28 [<c059e494>] ? poll_idle+0x21/0x65 [<c059e3d2>] cpuidle_idle_call+0x62/0x92 [<c059e370>] ? cpuidle_idle_call+0x0/0x92 [<c0404c8d>] cpu_idle+0xbd/0xdd [<c061c009>] rest_init+0x49/0x4b ======================= Mem-info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 152 Active:155693 inactive:24779 dirty:2760 writeback:447 unstable:0 free:2446 slab:6669 mapped:16577 pagetables:1509 bounce:0 DMA free:3012kB min:72kB low:88kB high:108kB active:6620kB inactive:952kB present:16256kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 745 745 745 Normal free:6772kB min:3452kB low:4312kB high:5176kB active:616152kB inactive:98164kB present:763400kB pages_scanned:260 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 33*4kB 6*8kB 5*16kB 0*32kB 1*64kB 3*128kB 1*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 3012kB Normal: 1133*4kB 218*8kB 23*16kB 1*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6804kB 75100 total pagecache pages Swap cache: add 369369, delete 344259, find 701011/737099 Free swap = 1314284kB Total swap = 1572856kB Free swap: 1314284kB 196448 pages of RAM 0 pages of HIGHMEM 2965 reserved pages 87587 pages shared 25110 pages swap cached 2760 pages dirty 447 pages writeback 16577 pages mapped 6669 pages slab 1509 pages pagetables swapper: page allocation failure. order:3, mode:0x4020 Pid: 0, comm: swapper Not tainted 2.6.25-0.218.rc8.git7.fc9.i686 #1 [<c0466d66>] __alloc_pages+0x2cf/0x2e6 [<c047e8f9>] __slab_alloc+0x19e/0x529 [<c047fbc4>] __kmalloc_track_caller+0x87/0xca [<f09f8e00>] ? ipw2100_alloc_skb+0x19/0x5c [ipw2100] [<f09f8e00>] ? ipw2100_alloc_skb+0x19/0x5c [ipw2100] [<c05b4c30>] __alloc_skb+0x49/0xf8 [<f09f8e00>] ipw2100_alloc_skb+0x19/0x5c [ipw2100] [<f09f9599>] ipw2100_irq_tasklet+0x4b1/0x6e0 [ipw2100] [<c042b161>] tasklet_action+0x5e/0xb3 [<c042b879>] __do_softirq+0x79/0xe7 [<c0407edf>] do_softirq+0x74/0xb5 [<c045ccde>] ? handle_level_irq+0x0/0xbe [<c042b681>] irq_exit+0x38/0x6b [<c0407fcc>] do_IRQ+0xac/0xc4 [<c04066eb>] common_interrupt+0x23/0x28 [<c059e494>] ? poll_idle+0x21/0x65 [<c059e3d2>] cpuidle_idle_call+0x62/0x92 [<c059e370>] ? cpuidle_idle_call+0x0/0x92 [<c0404c8d>] cpu_idle+0xbd/0xdd [<c061c009>] rest_init+0x49/0x4b ======================= It seems to have been a pretty transient thing: messages-20080427:Apr 24 15:37:14 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:15 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:15 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:15 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:16 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:16 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:16 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:16 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:16 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:16 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:35 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:35 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:35 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 messages-20080427:Apr 24 15:37:37 it-pc37 kernel: swapper: page allocation failure. order:3, mode:0x4020 (and nothing since that for a few days) -- Pekka Pietikainen ^ permalink raw reply [flat|nested] 4+ messages in thread
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2008-04-16 4:51 ` X or AF_UNIX and order 3 allocation David Miller
2008-04-16 15:52 ` Stephen Hemminger
2008-04-16 16:59 ` Pete Zaitcev
2008-04-27 16:48 ` [ipw2100, b44] " Pekka Pietikainen
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