On Sun, 9 Sep 2012, Pavel Machek wrote: > On 3.6.0-rc2+, I tried to turn on the wireless, but got > > root@amd:~# ifconfig wlan0 10.0.0.6 up > SIOCSIFFLAGS: Cannot allocate memory > SIOCSIFFLAGS: Cannot allocate memory > root@amd:~# > > It looks like it uses "a bit too big" allocations to allocate > firmware...? Order five allocation.... > > Hmm... then I did "echo 3 > /proc/sys/vm/drop_caches" and now the > network works. Is it VM problem that it failed to allocate memory when > it was freeable? > Do you have CONFIG_COMPACTION enabled? > iwl3945 0000:03:00.0: failed to allocate pci memory > iwl3945 0000:03:00.0: Could not read microcode: -12 > firmware 0000:03:00.0: firmware_loading_store: vmap() failed > iwl3945 0000:03:00.0: iwlwifi-3945-2.ucode firmware file req failed: > -2 > iwl3945 0000:03:00.0: Loaded firmware iwlwifi-3945-1.ucode, which is > deprecated. Please use API v2 instead. > iwl3945 0000:03:00.0: loaded firmware version 15.32.2.9 > ifconfig: page allocation failure: order:5, mode:0x80d0 > Pid: 21116, comm: ifconfig Tainted: G W 3.6.0-rc2+ #228 > Call Trace: > [<c029ebf6>] warn_alloc_failed+0xb6/0x100 > [<c02a0321>] __alloc_pages_nodemask+0x4c1/0x6e0 > [<c020699c>] dma_generic_alloc_coherent+0x8c/0xc0 > [<c05c4d59>] il3945_mac_start+0x1269/0x1280 > [<c0206910>] ? dma_generic_free_coherent+0x30/0x30 > [<c0800f64>] ? packet_notifier+0xc4/0x1a0 > [<c088094c>] ieee80211_do_open+0x28c/0x840 > [<c087f399>] ? ieee80211_check_concurrent_iface+0x19/0x190 > [<c024c7ea>] ? raw_notifier_call_chain+0x1a/0x20 > [<c0880f3b>] ieee80211_open+0x3b/0x80 > [<c0769966>] __dev_open+0x96/0xf0 > [<c08c73a5>] ? _raw_spin_unlock_bh+0x25/0x30 > [<c076633d>] __dev_change_flags+0x7d/0x150 > [<c076988e>] dev_change_flags+0x1e/0x60 > [<c07d819d>] devinet_ioctl+0x69d/0x770 > [<c076b026>] ? dev_ioctl+0x336/0x740 > [<c07d959a>] inet_ioctl+0x9a/0xc0 > [<c0756a33>] sock_ioctl+0x63/0x240 > [<c07569d0>] ? sock_fasync+0x80/0x80 > [<c02d91a3>] do_vfs_ioctl+0x83/0x570 > [<c0223a50>] ? mm_fault_error+0x170/0x170 > [<c024ba86>] ? up_read+0x16/0x30 > [<c0223bcc>] ? do_page_fault+0x17c/0x3b0 > [<c02d96c9>] sys_ioctl+0x39/0x70 > [<c08c7c10>] sysenter_do_call+0x12/0x31 > Mem-Info: > DMA per-cpu: > CPU 0: hi: 0, btch: 1 usd: 0 > CPU 1: hi: 0, btch: 1 usd: 0 > Normal per-cpu: > CPU 0: hi: 186, btch: 31 usd: 30 > CPU 1: hi: 186, btch: 31 usd: 0 > HighMem per-cpu: > CPU 0: hi: 186, btch: 31 usd: 0 > CPU 1: hi: 186, btch: 31 usd: 0 > active_anon:250783 inactive_anon:118977 isolated_anon:0 > active_file:14686 inactive_file:13826 isolated_file:0 > unevictable:0 dirty:3050 writeback:0 unstable:0 > free:30113 slab_reclaimable:43820 slab_unreclaimable:34426 > mapped:11898 shmem:19084 pagetables:3043 bounce:0 > DMA free:1580kB min:64kB low:80kB high:96kB active_anon:0kB > inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB > isolated(anon):0kB isolated(file):0kB present:15788kB mlocked:0kB > dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB > slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB > bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes > lowmem_reserve[]: 0 864 2005 2005 > Normal free:115348kB min:3728kB low:4660kB high:5592kB > active_anon:193616kB inactive_anon:192540kB active_file:19528kB > inactive_file:12916kB unevictable:0kB isolated(anon):0kB > isolated(file):0kB present:885072kB mlocked:0kB dirty:5388kB > writeback:0kB mapped:9212kB shmem:29100kB slab_reclaimable:175280kB > slab_unreclaimable:137704kB kernel_stack:6032kB pagetables:12172kB > unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 > all_unreclaimable? no > lowmem_reserve[]: 0 0 9125 9125 > HighMem free:3524kB min:512kB low:1740kB high:2972kB > active_anon:809516kB inactive_anon:283368kB active_file:39216kB > inactive_file:42388kB unevictable:0kB isolated(anon):0kB > isolated(file):0kB present:1168080kB mlocked:0kB dirty:6812kB > writeback:0kB mapped:38380kB shmem:47236kB slab_reclaimable:0kB > slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB > bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no > lowmem_reserve[]: 0 0 0 0 > DMA: 1*4kB 1*8kB 0*16kB 1*32kB 2*64kB 1*128kB 1*256kB 0*512kB 1*1024kB > 0*2048kB 0*4096kB = 1580kB > Normal: 4729*4kB 8354*8kB 1683*16kB 74*32kB 4*64kB 0*128kB 0*256kB > 0*512kB 0*1024kB 0*2048kB 0*4096kB = 115300kB > HighMem: 537*4kB 118*8kB 27*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB > 0*1024kB 0*2048kB 0*4096kB = 3524kB > 62305 total pagecache pages > 14672 pages in swap cache > Swap cache stats: add 96156, delete 81484, find 3042279/3044117 > Free swap = 480024kB > Total swap = 779148kB > 521920 pages RAM > 294610 pages HighMem > 9083 pages reserved > 244243 pages shared > 450983 pages non-shared > iwl3945 0000:03:00.0: failed to allocate pci memory > iwl3945 0000:03:00.0: Could not read microcode: -12 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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