similar to: kjournald oops

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 1/9] Guest page hinting: unused / free pages. A very simple but already quite effective improvement in the handling of guest memory vs. host memory is to tell the host when pages are free. That allows the host to avoid the paging of

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 1/9] Guest page hinting: unused / free pages. A very simple but already quite effective improvement in the handling of guest memory vs. host memory is to tell the host when pages are free. That allows the host to avoid the paging of

Since I ain't got a better place to report this, I do it here: Kernel 2.4.20-ac1 # uptime 16:31:00 up 2 days, 22:10, 7 users, load average: 1.89, 2.20, 2.99 This is our main mailbox server. We're running ext3: # cat /proc/mounts rootfs / rootfs rw 0 0 /dev/root / ext3 rw 0 0 /proc /proc proc rw 0 0 /dev/sdb5 /boot ext3 rw 0 0 /dev/sda6 /home ext3 rw,noatime,nosuid 0 0 /dev/sdb8 /tmp

Been having this problem, and posted about it before. Thinking it was a memory issue, I've replaced all memory on the server. However, the problem has continued. Server is a Proliant DL380 (8GB RAM, 2 Xeon CPU), running CentOS 3.6, all patches up-to-date. Kernel is 2.4.21-40.ELsmp (problem seems to have first manifested on kernel 2.4.21-37.0.1.ELsmp). Disk is CCISS hardware RAID-5,

Greetings, after Carsten pitched CMM2 on the kvm mini summit here is a repost of version 5 of the guest page hinting patches. The code is still the same but has been adapted to the latest git level. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.

Greetings, after Carsten pitched CMM2 on the kvm mini summit here is a repost of version 5 of the guest page hinting patches. The code is still the same but has been adapted to the latest git level. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.

After way to many months here is the fifth version of the guest page hinting patches. Compared to version four a few improvements have been added: - Avoid page_host_discards() calls outside of page-states.h - The discard list is now implemented via the page_free_discarded hook and architecture specific code. - PG_state_change page flag has been replaced with architecture specficic

After way to many months here is the fifth version of the guest page hinting patches. Compared to version four a few improvements have been added: - Avoid page_host_discards() calls outside of page-states.h - The discard list is now implemented via the page_free_discarded hook and architecture specific code. - PG_state_change page flag has been replaced with architecture specficic