Bug#698829: kernel swap after upgrade to 3.2.23-1~bpo60+2
On 09/03/2013 18:46, Ben Hutchings wrote: > On Thu, 2013-03-07 at 18:22 +0100, Daniele Melosi wrote: >> On 05/03/2013 03:40, Ben Hutchings wrote: >>>> # wc -l /proc/mounts >>>> 329219 /proc/mounts >>> [...] >>> >>> Er, wow, that's a lot. Does this *also* increase over time, or are >>> those mostly mounted at boot? >> >> I agree, it's a lot. >> >> The number of entries in /proc/mounts file increase over time, at the >> boot is low (~100 lines). > > Are these bind-mounts or separate filesystem mounts? these are bind-mounts. > Experimentally, bind-mounts appear to require about 1K each. We haven't the same behavior with 2.6.32 kernel (the squeeze default). -- Daniele Melosi -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Bug#698829: kernel swap after upgrade to 3.2.23-1~bpo60+2
On 05/03/2013 03:40, Ben Hutchings wrote: >> # wc -l /proc/mounts >> 329219 /proc/mounts > [...] > > Er, wow, that's a lot. Does this *also* increase over time, or are > those mostly mounted at boot? I agree, it's a lot. The number of entries in /proc/mounts file increase over time, at the boot is low (~100 lines). -- Daniele Melosi -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Bug#698829: kernel swap after upgrade to 3.2.23-1~bpo60+2
Hi, after kernel upgrade i've the following situation: after 2 days of uptime: 08:41:41 up 2 days, 14:56, 0 users, load average: 13.07, 13.83, 13.65 size-192(DMA) 0 0192 201 : tunables 120 60 8 : slabdata 0 0 0 size-192 35599 83060192 201 : tunables 120 60 8 : slabdata 4153 4153273 after 6 days of uptime: 08:41:41 up 6 days, 1:56, 0 users, load average: 16.60, 15.22, 14.48 size-192(DMA) 0 0192 201 : tunables 120 60 8 : slabdata 0 0 0 size-192 1780288 1799240192 201 : tunables 120 60 8 : slabdata 89962 89962256 As you can see the size-192 is increasing and after the 7th days the server start swapping. The server is a shared hosting linux with apache + cgi-wrapper and has a lots of entries in /proc/mounts: # wc -l /proc/mounts 329219 /proc/mounts On 28/01/2013 05:42, Ben Hutchings wrote: > Control: tag -1 moreinfo > > On Thu, 2013-01-24 at 09:11 +0100, Daniele Melosi wrote: >> Package: linux-image-3.2.0-0.bpo.3-amd64 >> Version: 3.2.23-1~bpo60+2 > > This is quite a few months out of date and there have been many bug > fixes since then. Please upgrade to linux-image-3.2.0-0.bpo.4-amd64 > version 3.2.35-2~bpo60+1 and report whether the bug remains. > >> In a linux web server (a LAMP architecture) after upgrade the kernel >> version to the backport one, the system start swapping after a week of >> utilization. >> >> In /proc/slapinfo the main difference is in size-192: >> >> after reboot: >> size-1923363 3980192 201 : tunables 120 60 >> 8 : slabdata199199209 >> >> after 2 weeks: >> size-192 39806000 39806000192 201 : tunables 120 >> 608 : slabdata 1990300 1990300131 > > A fairly clear memory leak, but sadly it's not obvious what is leaking. > > Please send the output of: > - lsmod > - lspci > - dmesg > >> I'm using debian 6.0.2 with backported kernel (3.2.23-1~bpo60+2) and >> libc6 2.11.3-3. > > Ben. > -- Daniele Melosi -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Bug#698829: kernel swap after upgrade to 3.2.23-1~bpo60+2
Package: linux-image-3.2.0-0.bpo.3-amd64 Version: 3.2.23-1~bpo60+2 In a linux web server (a LAMP architecture) after upgrade the kernel version to the backport one, the system start swapping after a week of utilization. In /proc/slapinfo the main difference is in size-192: after reboot: size-1923363 3980192 201 : tunables 120 60 8 : slabdata199199209 after 2 weeks: size-192 39806000 39806000192 201 : tunables 120 608 : slabdata 1990300 1990300131 I'm using debian 6.0.2 with backported kernel (3.2.23-1~bpo60+2) and libc6 2.11.3-3. Regards -- Daniele Melosi -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
