[Bug 785051] [NEW] groupsfile is ignored when any entry has id 500

2011-05-19 Thread Marcus Blomenkamp
Public bug reported:

Binary package hint: libnss-extrausers

If any /var/lib/extrausers/group entry has a gid  500 then all entries
from this file are ignored. libnss-extrausers-0.4 is affected as well.

The following file works fine, the entries appear in 'getent group'
output.

extra0:x:500
extra1:x:501

This file however is not read properly, the entries are missing in
output.

extra0:x:499
extra1:x:501

The system in question is Ubuntu 10.04, libc6 version is 2.13-0ubuntu13

** Affects: libnss-extrausers (Ubuntu)
 Importance: Undecided
 Status: New

** Affects: libnss-extrausers (Debian)
 Importance: Undecided
 Status: New

** Description changed:

  Binary package hint: libnss-extrausers
  
  If any /var/lib/extrausers/group entry has a gid  500 then all entries
  from this file are ignored. libnss-extrausers-0.4 is affected as well.
  
  The following file works fine, the entries appear in 'getent group'
  output.
  
  extra0:x:500
  extra1:x:501
  
  This file however is not read properly, the entries are missing in
  output.
  
  extra0:x:499
  extra1:x:501
+ 
+ The system in question is Ubuntu 10.04, libc6 version is 2.13-0ubuntu13

** Also affects: libnss-extrausers (Debian)
   Importance: Undecided
   Status: New

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https://bugs.launchpad.net/bugs/785051

Title:
  groupsfile is ignored when any entry has id  500

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[Bug 164018] Re: page allocation failure caused by rtl8139 driver

2009-12-29 Thread Marcus Blomenkamp
The problem is still present in Ubuntu 9.10. In my case the machine has
120MB of memory and 192MB of swap. Swap usage was about 10MB when the
following happened during heavy network IO:

[ 2489.732639] swapper: page allocation failure. order:0, mode:0x4020
[ 2489.732659] Pid: 0, comm: swapper Not tainted 2.6.31-16-generic-pae 
#53-Ubuntu
[ 2489.732668] Call Trace:
[ 2489.732696]  [c057481e] ? printk+0x18/0x1a
[ 2489.732720]  [c01ba2c0] __alloc_pages_slowpath+0x340/0x480
[ 2489.732735]  [c01ba50f] __alloc_pages_nodemask+0x10f/0x120
[ 2489.732754]  [c01e201a] new_slab+0x19a/0x200
[ 2489.732769]  [c01e2fcf] __slab_alloc+0xaf/0x260
[ 2489.732783]  [c01e3f6a] __kmalloc_track_caller+0x16a/0x180
[ 2489.732803]  [c0499c8e] ? __netdev_alloc_skb+0x1e/0x40
[ 2489.732815]  [c0499c8e] ? __netdev_alloc_skb+0x1e/0x40
[ 2489.732828]  [c049995d] __alloc_skb+0x4d/0x130
[ 2489.732840]  [c0499c8e] __netdev_alloc_skb+0x1e/0x40
[ 2489.732881]  [c8723a53] rtl8139_rx+0xd3/0x280 [8139too]
[ 2489.732901]  [c8723c45] rtl8139_poll+0x45/0xc0 [8139too]
[ 2489.732922]  [c0168f0d] ? clocksource_get_next+0x3d/0x50
[ 2489.732941]  [c04a4a75] net_rx_action+0xe5/0x1c0
[ 2489.732958]  [c87233e6] ? rtl8139_interrupt+0x96/0x180 [8139too]
[ 2489.732978]  [c014cc40] __do_softirq+0x90/0x1a0
[ 2489.732998]  [c0128098] ? default_spin_lock_flags+0x8/0x10
[ 2489.733013]  [c0576bda] ? _spin_lock_irqsave+0x2a/0x40
[ 2489.733032]  [c0106b92] ? enable_8259A_irq+0x42/0x60
[ 2489.733044]  [c014cd8d] do_softirq+0x3d/0x40
[ 2489.733056]  [c014cecd] irq_exit+0x5d/0x70
[ 2489.733067]  [c0104f10] do_IRQ+0x50/0xc0
[ 2489.733078]  [c014cec0] ? irq_exit+0x50/0x70
[ 2489.733099]  [c011ddc7] ? smp_apic_timer_interrupt+0x57/0x90
[ 2489.733111]  [c01039b0] common_interrupt+0x30/0x40
[ 2489.733124]  [c0127365] ? native_safe_halt+0x5/0x10
[ 2489.733136]  [c010a5b6] default_idle+0x46/0xd0
[ 2489.733148]  [c010202c] cpu_idle+0x8c/0xd0
[ 2489.733170]  [c0564815] rest_init+0x55/0x60
[ 2489.733182]  [c07958cd] start_kernel+0x2e6/0x2ec
[ 2489.733193]  [c0795406] ? unknown_bootoption+0x0/0x1ab
[ 2489.733212]  [c079507c] i386_start_kernel+0x7c/0x83
[ 2489.733220] Mem-Info:
[ 2489.733226] DMA per-cpu:
[ 2489.733234] CPU0: hi:0, btch:   1 usd:   0
[ 2489.733241] Normal per-cpu:
[ 2489.733248] CPU0: hi:   42, btch:   7 usd:  41
[ 2489.733262] Active_anon:370 active_file:13055 inactive_anon:468
[ 2489.733267]  inactive_file:12624 unevictable:0 dirty:0 writeback:0 unstable:0
[ 2489.733272]  free:236 slab:1936 mapped:4460 pagetables:398 bounce:0
[ 2489.733288] DMA free:496kB min:176kB low:220kB high:264kB active_anon:124kB 
inactive_anon:184kB active_file:3592kB inactive_file:3304kB unevictable:0kB 
present:15804kB pages_scanned:32 all_unreclaimable? no
[ 2489.733301] lowmem_reserve[]: 0 109 109 109
[ 2489.733321] Normal free:448kB min:1252kB low:1564kB high:1876kB 
active_anon:1356kB inactive_anon:1688kB active_file:48628kB 
inactive_file:47192kB unevictable:0kB present:112584kB pages_scanned:806 
all_unreclaimable? no
[ 2489.74] lowmem_reserve[]: 0 0 0 0
[ 2489.733347] DMA: 124*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 
0*1024kB 0*2048kB 0*4096kB = 496kB
[ 2489.733379] Normal: 10*4kB 35*8kB 0*16kB 0*32kB 0*64kB 1*128kB 0*256kB 
0*512kB 0*1024kB 0*2048kB 0*4096kB = 448kB
[ 2489.733412] 25814 total pagecache pages
[ 2489.733419] 130 pages in swap cache
[ 2489.733427] Swap cache stats: add 9536, delete 9406, find 1800/3009
[ 2489.733434] Free swap  = 180752kB
[ 2489.733440] Total swap = 192740kB
[ 2489.735890] 32448 pages RAM
[ 2489.735896] 0 pages HighMem
[ 2489.735901] 2391 pages reserved
[ 2489.735907] 6927 pages shared
[ 2489.735912] 25106 pages non-shared
[ 2489.735922] SLUB: Unable to allocate memory on node -1 (gfp=0x20)
[ 2489.735935]   cache: kmalloc-2048, object size: 2048, buffer size: 2048, 
default order: 2, min order: 0
[ 2489.735946]   node 0: slabs: 120, objs: 792, free: 0
[ 2489.735959] eth1: Memory squeeze, dropping packet.
[...]

I will try the latest mainline kernel after new-years-day but i am not
expecting any better because the same kind of problem (also for other
drivers) has been known for years and new kernel versions did not fix
the problem.

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page allocation failure caused by rtl8139 driver
https://bugs.launchpad.net/bugs/164018
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