Harald Leithner
2016-Oct-07 20:01 UTC
latest 2.2.25 Hibernation patch raises 100% cpu usage
Hi,
I use the xi Debian packages, the current 2.2.25 auto 47 build seams to
include the commit 351aa01c6e I think this commit cases a 100% cpu
usage.
After some time 1-5 minutes the hibernate process uses 100% and strace
floods the screen with:
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164437) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164437) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164436) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164436) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164436) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164436) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164436) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164436) = 3
epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112,
u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288,
u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304,
u64=140044313033680}}}, 34, 164435) = 3
Maybe its a client thats incompatible, downgrading to version +46 solve
the problem.
bye
Harald
> On October 7, 2016 at 11:01 PM Harald Leithner <leithner at itronic.at> wrote: > > > Hi, > > I use the xi Debian packages, the current 2.2.25 auto 47 build seams to > include the commit 351aa01c6e I think this commit cases a 100% cpu > usage. > > After some time 1-5 minutes the hibernate process uses 100% and strace > floods the screen with: > > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164437) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164437) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164436) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164436) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164436) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164436) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164436) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164436) = 3 > epoll_wait(9, {{EPOLLIN|EPOLLHUP, {u32=2609346112, > u64=140044312999488}}, {EPOLLIN|EPOLLHUP, {u32=2609364288, > u64=140044313017664}}, {EPOLLIN|EPOLLHUP, {u32=2609380304, > u64=140044313033680}}}, 34, 164435) = 3 > > Maybe its a client thats incompatible, downgrading to version +46 solve > the problem. > > > HaraldThere is a patch waiting for fixing hibernation. Aki