Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 8/1/07, Zan Lynx <[EMAIL PROTECTED]> wrote: > On Wed, 2007-08-01 at 08:52 -0700, Nish Aravamudan wrote: > > On 7/31/07, Zan Lynx <[EMAIL PROTECTED]> wrote: > > > On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: > > > > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > > > > > > > > > I was playing with huge pages and libhugetlbfs. Small programs like > > > > > "ls" work fine. I tried running Evolution through libhugetlbfs and > > > > > the > > > > > system slowly stops running. One interesting thing is the "ps" > > > > > command, > > > > > it gets stuck like this: > > > > > > > > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? > > > > > > D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut & paste to be > > > sure: > > > Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 > > > x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux > > > > Just to confirm, still happens with -mm2? > > No, it does not seem to. Evolution runs OK. ps, top, pmap all work > fine. Interesting. > However, a couple of other things happened. Could be unrelated or only > loosely related. > > Evolution launches spamd (spamassassin) to filter junk mail. spamd died > and I have this in dmesg to show for it: > > VM: killing process spamd > > spamd would have inherited the libhugetlbfs.so environment variables. > There are no other clues as to why it died though. Interesting. Any chance spamd can be run manually with those env variables, but with HUGETLB_VERBOSE=99 (and/or in gdb) to see what happens to it? > Also, immediately after launching evolution with libhugetlbfs, I got > that USB bug where the mouse starts creating keyboard input. I got some > of these in dmesg: > keyboard.c: can't emulate rawmode for keycode 240 > > That could be pure coincidence, although I had been using the system > almost all day before that, and it hadn't happened. Had you started evolution w/o libhugetlbs at all before that? It does seem like that would be coincidence. Thanks, Nish - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 8/1/07, Zan Lynx [EMAIL PROTECTED] wrote: On Wed, 2007-08-01 at 08:52 -0700, Nish Aravamudan wrote: On 7/31/07, Zan Lynx [EMAIL PROTECTED] wrote: On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut paste to be sure: Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Just to confirm, still happens with -mm2? No, it does not seem to. Evolution runs OK. ps, top, pmap all work fine. Interesting. However, a couple of other things happened. Could be unrelated or only loosely related. Evolution launches spamd (spamassassin) to filter junk mail. spamd died and I have this in dmesg to show for it: VM: killing process spamd spamd would have inherited the libhugetlbfs.so environment variables. There are no other clues as to why it died though. Interesting. Any chance spamd can be run manually with those env variables, but with HUGETLB_VERBOSE=99 (and/or in gdb) to see what happens to it? Also, immediately after launching evolution with libhugetlbfs, I got that USB bug where the mouse starts creating keyboard input. I got some of these in dmesg: keyboard.c: can't emulate rawmode for keycode 240 That could be pure coincidence, although I had been using the system almost all day before that, and it hadn't happened. Had you started evolution w/o libhugetlbs at all before that? It does seem like that would be coincidence. Thanks, Nish - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On Wed, 2007-08-01 at 08:52 -0700, Nish Aravamudan wrote: > On 7/31/07, Zan Lynx <[EMAIL PROTECTED]> wrote: > > On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: > > > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > > > > > > > I was playing with huge pages and libhugetlbfs. Small programs like > > > > "ls" work fine. I tried running Evolution through libhugetlbfs and the > > > > system slowly stops running. One interesting thing is the "ps" command, > > > > it gets stuck like this: > > > > > > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? > > > > D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut & paste to be > > sure: > > Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 > > x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux > > Just to confirm, still happens with -mm2? No, it does not seem to. Evolution runs OK. ps, top, pmap all work fine. However, a couple of other things happened. Could be unrelated or only loosely related. Evolution launches spamd (spamassassin) to filter junk mail. spamd died and I have this in dmesg to show for it: VM: killing process spamd spamd would have inherited the libhugetlbfs.so environment variables. There are no other clues as to why it died though. Also, immediately after launching evolution with libhugetlbfs, I got that USB bug where the mouse starts creating keyboard input. I got some of these in dmesg: keyboard.c: can't emulate rawmode for keycode 240 That could be pure coincidence, although I had been using the system almost all day before that, and it hadn't happened. -- Zan Lynx <[EMAIL PROTECTED]> signature.asc Description: This is a digitally signed message part
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Zan Lynx <[EMAIL PROTECTED]> wrote: > On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: > > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > > > > > I was playing with huge pages and libhugetlbfs. Small programs like > > > "ls" work fine. I tried running Evolution through libhugetlbfs and the > > > system slowly stops running. One interesting thing is the "ps" command, > > > it gets stuck like this: > > > > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? > > D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut & paste to be > sure: > Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 > x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Also, are we at all sure this isn't a reiser4 issue? I assume you're able to use Evolution w/o libhuge on rc1-mm1 ok? Any chance to remove reiser4 from the picture? Have you been using libhuge this way regularly? Any chance you know it worked ok with some recent kernel (say 2.6.23-rc1?). Thanks, Nish - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Zan Lynx <[EMAIL PROTECTED]> wrote: > On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: > > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > > > > > I was playing with huge pages and libhugetlbfs. Small programs like > > > "ls" work fine. I tried running Evolution through libhugetlbfs and the > > > system slowly stops running. One interesting thing is the "ps" command, > > > it gets stuck like this: > > > > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? > > D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut & paste to be > sure: > Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 > x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Just to confirm, still happens with -mm2? Thanks, Nish - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 8/1/07, Randy Dunlap <[EMAIL PROTECTED]> wrote: > Nish Aravamudan wrote: > > On 7/31/07, Randy Dunlap <[EMAIL PROTECTED]> wrote: > >> On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > >> > >>> I was playing with huge pages and libhugetlbfs. Small programs like > >>> "ls" work fine. I tried running Evolution through libhugetlbfs and the > >>> system slowly stops running. One interesting thing is the "ps" command, > >>> it gets stuck like this: > >> Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? > >> > >> There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. > > > > Actually fixed just after 2.6.23-rc1: > > > > git describe 5ab3ee7b1cd5c91eb2272764f9d7d1fe4749681e > > v2.6.23-rc1-14-g5ab3ee7 > > Looks to me like Andrew included Ken's patch in his rc1-mm1 anyway, > so that shouldn't be the issue. Or did I not read mm/hugetlb.c correctly? Yeah you're right, the -mm tree has that bug fixed. Thanks, Nish - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
Nish Aravamudan wrote: On 7/31/07, Randy Dunlap <[EMAIL PROTECTED]> wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like "ls" work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the "ps" command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. Actually fixed just after 2.6.23-rc1: git describe 5ab3ee7b1cd5c91eb2272764f9d7d1fe4749681e v2.6.23-rc1-14-g5ab3ee7 Looks to me like Andrew included Ken's patch in his rc1-mm1 anyway, so that shouldn't be the issue. Or did I not read mm/hugetlb.c correctly? -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Zan Lynx <[EMAIL PROTECTED]> wrote: > On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: > > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > > > > > I was playing with huge pages and libhugetlbfs. Small programs like > > > "ls" work fine. I tried running Evolution through libhugetlbfs and the > > > system slowly stops running. One interesting thing is the "ps" command, > > > it gets stuck like this: > > > > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? > > D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut & paste to be > sure: > Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 > x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Hrm -- if you kill Evolution does the system come back? Or is it unkillable/unusable. I guess you were able to run ps at the same time. What is Evolution doing (sysrq+t)? For that matter, what was the output from libhuge? Thanks, Nish - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Randy Dunlap <[EMAIL PROTECTED]> wrote: > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > > > I was playing with huge pages and libhugetlbfs. Small programs like > > "ls" work fine. I tried running Evolution through libhugetlbfs and the > > system slowly stops running. One interesting thing is the "ps" command, > > it gets stuck like this: > > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? > > There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. Actually fixed just after 2.6.23-rc1: git describe 5ab3ee7b1cd5c91eb2272764f9d7d1fe4749681e v2.6.23-rc1-14-g5ab3ee7 Thanks, Nish - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Randy Dunlap [EMAIL PROTECTED] wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. Actually fixed just after 2.6.23-rc1: git describe 5ab3ee7b1cd5c91eb2272764f9d7d1fe4749681e v2.6.23-rc1-14-g5ab3ee7 Thanks, Nish - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 8/1/07, Randy Dunlap [EMAIL PROTECTED] wrote: Nish Aravamudan wrote: On 7/31/07, Randy Dunlap [EMAIL PROTECTED] wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. Actually fixed just after 2.6.23-rc1: git describe 5ab3ee7b1cd5c91eb2272764f9d7d1fe4749681e v2.6.23-rc1-14-g5ab3ee7 Looks to me like Andrew included Ken's patch in his rc1-mm1 anyway, so that shouldn't be the issue. Or did I not read mm/hugetlb.c correctly? Yeah you're right, the -mm tree has that bug fixed. Thanks, Nish - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Zan Lynx [EMAIL PROTECTED] wrote: On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut paste to be sure: Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Just to confirm, still happens with -mm2? Thanks, Nish - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
Nish Aravamudan wrote: On 7/31/07, Randy Dunlap [EMAIL PROTECTED] wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. Actually fixed just after 2.6.23-rc1: git describe 5ab3ee7b1cd5c91eb2272764f9d7d1fe4749681e v2.6.23-rc1-14-g5ab3ee7 Looks to me like Andrew included Ken's patch in his rc1-mm1 anyway, so that shouldn't be the issue. Or did I not read mm/hugetlb.c correctly? -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Zan Lynx [EMAIL PROTECTED] wrote: On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut paste to be sure: Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Hrm -- if you kill Evolution does the system come back? Or is it unkillable/unusable. I guess you were able to run ps at the same time. What is Evolution doing (sysrq+t)? For that matter, what was the output from libhuge? Thanks, Nish - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On 7/31/07, Zan Lynx [EMAIL PROTECTED] wrote: On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut paste to be sure: Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Also, are we at all sure this isn't a reiser4 issue? I assume you're able to use Evolution w/o libhuge on rc1-mm1 ok? Any chance to remove reiser4 from the picture? Have you been using libhuge this way regularly? Any chance you know it worked ok with some recent kernel (say 2.6.23-rc1?). Thanks, Nish - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On Wed, 2007-08-01 at 08:52 -0700, Nish Aravamudan wrote: On 7/31/07, Zan Lynx [EMAIL PROTECTED] wrote: On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut paste to be sure: Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux Just to confirm, still happens with -mm2? No, it does not seem to. Evolution runs OK. ps, top, pmap all work fine. However, a couple of other things happened. Could be unrelated or only loosely related. Evolution launches spamd (spamassassin) to filter junk mail. spamd died and I have this in dmesg to show for it: VM: killing process spamd spamd would have inherited the libhugetlbfs.so environment variables. There are no other clues as to why it died though. Also, immediately after launching evolution with libhugetlbfs, I got that USB bug where the mouse starts creating keyboard input. I got some of these in dmesg: keyboard.c: can't emulate rawmode for keycode 240 That could be pure coincidence, although I had been using the system almost all day before that, and it hadn't happened. -- Zan Lynx [EMAIL PROTECTED] signature.asc Description: This is a digitally signed message part
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: > On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > > > I was playing with huge pages and libhugetlbfs. Small programs like > > "ls" work fine. I tried running Evolution through libhugetlbfs and the > > system slowly stops running. One interesting thing is the "ps" command, > > it gets stuck like this: > > Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut & paste to be sure: Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux -- Zan Lynx <[EMAIL PROTECTED]> signature.asc Description: This is a digitally signed message part
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: > I was playing with huge pages and libhugetlbfs. Small programs like > "ls" work fine. I tried running Evolution through libhugetlbfs and the > system slowly stops running. One interesting thing is the "ps" command, > it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. > psD 81001e57ed40 0 103558 103483 > 81001f061dc8 0096 81003d8586e8 81001cbadc00 > 0006 80537009 0030 807ff700 > 807ff700 807ff700 807ff700 807ff700 > Call Trace: > [] _spin_unlock+0x29/0x50 > [] __down_read+0x75/0xaf > [] access_process_vm+0x49/0x190 > [] proc_pid_cmdline+0xa3/0x130 > [] proc_info_read+0xba/0x100 > [] vfs_read+0xc5/0x180 > [] sys_read+0x53/0x90 > [] system_call+0x7e/0x83 > > and nothing will touch it after that. > > Here's my kernel command line: > root=/dev/sda2 rootfstype=reiser4 rootflags=no_write_barrier ro > i8042.nomux elevator=cfq resume=/dev/sda3 panic=5 nmi_watchdog=2,panic > debug hugepages=32 > > Here's the "huge" script I was using to run programs: > #!/bin/sh > export LD_PRELOAD=libhugetlbfs.so > export HUGETLB_MORECORE=yes > export HUGETLB_PATH=/mnt/huge > export HUGETLB_VERBOSE=1 > exec "$@" > > I don't have any more info than that at the moment but I could reproduce > it with whatever, on request. --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
I was playing with huge pages and libhugetlbfs. Small programs like "ls" work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the "ps" command, it gets stuck like this: psD 81001e57ed40 0 103558 103483 81001f061dc8 0096 81003d8586e8 81001cbadc00 0006 80537009 0030 807ff700 807ff700 807ff700 807ff700 807ff700 Call Trace: [] _spin_unlock+0x29/0x50 [] __down_read+0x75/0xaf [] access_process_vm+0x49/0x190 [] proc_pid_cmdline+0xa3/0x130 [] proc_info_read+0xba/0x100 [] vfs_read+0xc5/0x180 [] sys_read+0x53/0x90 [] system_call+0x7e/0x83 and nothing will touch it after that. Here's my kernel command line: root=/dev/sda2 rootfstype=reiser4 rootflags=no_write_barrier ro i8042.nomux elevator=cfq resume=/dev/sda3 panic=5 nmi_watchdog=2,panic debug hugepages=32 Here's the "huge" script I was using to run programs: #!/bin/sh export LD_PRELOAD=libhugetlbfs.so export HUGETLB_MORECORE=yes export HUGETLB_PATH=/mnt/huge export HUGETLB_VERBOSE=1 exec "$@" I don't have any more info than that at the moment but I could reproduce it with whatever, on request. -- Zan Lynx <[EMAIL PROTECTED]> signature.asc Description: This is a digitally signed message part
2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: psD 81001e57ed40 0 103558 103483 81001f061dc8 0096 81003d8586e8 81001cbadc00 0006 80537009 0030 807ff700 807ff700 807ff700 807ff700 807ff700 Call Trace: [80537009] _spin_unlock+0x29/0x50 [80536425] __down_read+0x75/0xaf [80295f49] access_process_vm+0x49/0x190 [802f3003] proc_pid_cmdline+0xa3/0x130 [802f4cea] proc_info_read+0xba/0x100 [802b0085] vfs_read+0xc5/0x180 [802b0583] sys_read+0x53/0x90 [8020c1de] system_call+0x7e/0x83 and nothing will touch it after that. Here's my kernel command line: root=/dev/sda2 rootfstype=reiser4 rootflags=no_write_barrier ro i8042.nomux elevator=cfq resume=/dev/sda3 panic=5 nmi_watchdog=2,panic debug hugepages=32 Here's the huge script I was using to run programs: #!/bin/sh export LD_PRELOAD=libhugetlbfs.so export HUGETLB_MORECORE=yes export HUGETLB_PATH=/mnt/huge export HUGETLB_VERBOSE=1 exec $@ I don't have any more info than that at the moment but I could reproduce it with whatever, on request. -- Zan Lynx [EMAIL PROTECTED] signature.asc Description: This is a digitally signed message part
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC. psD 81001e57ed40 0 103558 103483 81001f061dc8 0096 81003d8586e8 81001cbadc00 0006 80537009 0030 807ff700 807ff700 807ff700 807ff700 807ff700 Call Trace: [80537009] _spin_unlock+0x29/0x50 [80536425] __down_read+0x75/0xaf [80295f49] access_process_vm+0x49/0x190 [802f3003] proc_pid_cmdline+0xa3/0x130 [802f4cea] proc_info_read+0xba/0x100 [802b0085] vfs_read+0xc5/0x180 [802b0583] sys_read+0x53/0x90 [8020c1de] system_call+0x7e/0x83 and nothing will touch it after that. Here's my kernel command line: root=/dev/sda2 rootfstype=reiser4 rootflags=no_write_barrier ro i8042.nomux elevator=cfq resume=/dev/sda3 panic=5 nmi_watchdog=2,panic debug hugepages=32 Here's the huge script I was using to run programs: #!/bin/sh export LD_PRELOAD=libhugetlbfs.so export HUGETLB_MORECORE=yes export HUGETLB_PATH=/mnt/huge export HUGETLB_VERBOSE=1 exec $@ I don't have any more info than that at the moment but I could reproduce it with whatever, on request. --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?)
On Tue, 2007-07-31 at 15:02 -0700, Randy Dunlap wrote: On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote: I was playing with huge pages and libhugetlbfs. Small programs like ls work fine. I tried running Evolution through libhugetlbfs and the system slowly stops running. One interesting thing is the ps command, it gets stuck like this: Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1? D'oh! I mean 2.6.23-rc1-mm1, the 22 was a typo. Cut paste to be sure: Linux zephyr 2.6.23-rc1-mm1 #1 SMP PREEMPT Wed Jul 25 17:33:04 MDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux -- Zan Lynx [EMAIL PROTECTED] signature.asc Description: This is a digitally signed message part
