Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2021-05-01 Thread Paul Szabo
I no longer use 32-bit kernels (but use the 64-bit amd64 kernel, even on my few last remaining 32-bt machines): that seems a suitable workaround or upgrade path. Should I try to test whether the issue with PAE remains? Cheers, Paul -- Paul Szabo p...@maths.usyd.edu.au

Bug#892105: linux-image-4.9.0-6-amd64: i40e driver still unstable

2019-01-09 Thread Paul Szabo
th similar traffic volumes). Following the hints in this bug report, I will try the Intel i40e driver, from (either) https://downloadcenter.intel.com/download/24411/ https://sourceforge.net/projects/e1000/files/i40e%20stable/ Cheers, Paul -- Paul Szabo p...@maths.usyd.edu

Bug#775541: NFS mounts fail at boot after Debian 8.5 upgrade

2016-09-06 Thread paul . szabo
Dear Vincent, > Could you provide a bit more information about the package versions > on your system? > dpkg -l rpcbind nfs-common nfs-kernel-server systemd psz@como:~$ dpkg -l rpcbind nfs-common nfs-kernel-server systemd Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpa

Bug#775541: NFS mounts fail at boot after Debian 8.5 upgrade

2016-08-19 Thread paul . szabo
=rpcbind.service instead? Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia

Bug#800945: linux-source-3.16: Scheduler prefers pinned tasks

2015-10-11 Thread paul . szabo
_granularity_ns echo 1 > /proc/sys/kernel/sched_wakeup_granularity_ns Please close this bug (as "solved" or "user config issue" or "invalid"). Sorry about the noise... Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz

Bug#800929: linux_source-3.16: Scheduler prefers pinned tasks

2015-10-05 Thread paul . szabo
Sorry, that should have been package linux-source-3.16 (with a dash, not underscore). Maybe I could have re-assigned this but; but do not really know how to, so instead now submitted new one. Please close this errant bug report. Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http

Bug#800945: linux-source-3.16: Scheduler prefers pinned tasks

2015-10-05 Thread Paul Szabo
uot;fair". Fairness is obtained when either: - there are as many un-pinned processes as CPUs; or - with CGROUP controls and the two kinds of processes run by different users, when there is just one un-pinned process; or - if the pinning is turned off for these processes (or they are

Bug#800929: linux_source-3.16: Scheduler prefers pinned tasks

2015-10-04 Thread Paul Szabo
uot;fair". Fairness is obtained when either: - there are as many un-pinned processes as CPUs; or - with CGROUP controls and the two kinds of processes run by different users, when there is just one un-pinned process; or - if the pinning is turned off for these processes (or they are

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-02-24 Thread paul . szabo
set # CONFIG_SPARSE_RCU_POINTER is not set Is that sufficient for sparse memory, or should I try something else? Or maybe, you meant that some kernel source patches might be possible in the sparse memory code? Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-31 Thread paul . szabo
ot;sleep test": n=0; while [ $n -lt 33000 ]; do sleep 600 & ((n=n+1)); done and somewhere also said that non-PAE passes. Does not that prove that PAE is broken? Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics Un

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-31 Thread paul . szabo
Dear Ben, >> PAE is broken for any amount of RAM. > > No it isn't. Could I please ask you to expand on that? Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-31 Thread paul . szabo
be due to my mixing of squeeze and wheezy 3.2.35 kernels. I will wait for the Debian defaults to change to amd64 before reporting these oddities. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of Sydney

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-31 Thread paul . szabo
en for any amount of RAM. More precisely, PAE with any RAM fails the "sleep test": n=0; while [ $n -lt 33000 ]; do sleep 600 & ((n=n+1)); done and with >32GB fails the "write test": n=0; while [ $n -lt 99 ]; do dd bs=1M count=1024 if=/dev/zero of=x$n; ((n=n+1)); done

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-31 Thread paul . szabo
try PAE on my 512MB laptop. - Though, what do I know, have not yet found the buggy line of code I believe is lurking there... Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UN

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-30 Thread paul . szabo
xpected; whereas PAE OOMed then hung (tested with various RAM from 3GB to 64GB). The feeling I get is that amd64 is proposed as a drop-in replacement for PAE, that support and development of PAE is gone, that PAE is dead. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.u

Bug#695182: [PATCH] Subtract min_free_kbytes from dirtyable memory

2013-01-26 Thread paul . szabo
"solve" all problems, the latest 3.8 kernel still crashes with OOM: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1098961/comments/18 Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of Sydney

Bug#695182: [PATCH] Negative (setpoint-dirty) in bdi_position_ratio()

2013-01-25 Thread paul . szabo
there is no CONFIG_NUMA nor /proc/sys/vm/zone_reclaim_mode in the Ubuntu non-PAE "plain" HIGHMEM4G kernel, and still it handles the "sleep test" just fine. Where does reclaiming happen (or meant to happen)? Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.us

Bug#695182: [PATCH] Subtract min_free_kbytes from dirtyable memory

2013-01-25 Thread paul . szabo
Dear Ben, > ... the mm maintainers are probably much better placed ... Exactly. Now I wonder: are you one of them? Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia --

Bug#695182: [PATCH] Subtract min_free_kbytes from dirtyable memory

2013-01-25 Thread paul . szabo
Dear Ben, > If you can identify where it was fixed then ... Sorry I cannot do that. I have no idea where kernel changelogs are kept. I am happy to do some work. Please do not call me lazy. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School

Bug#695182: [PATCH] Subtract min_free_kbytes from dirtyable memory

2013-01-25 Thread paul . szabo
used in setting limits or threshholds, but not used in decisions where to put dirty things. Is that so, is that as should be? What is the recommended setting of highmem_is_dirtyable? The silence is deafening. I guess highmem_is_dirtyable is an aberration. Thanks, Paul Paul Szabo p...@maths.

Bug#695182: [PATCH] Negative (setpoint-dirty) in bdi_position_ratio()

2013-01-24 Thread paul . szabo
t, the drop_caches patch did not protect against the "sleep test". > ... What's your filesystem and the content of /proc/slabinfo? Filesystem is EXT3. See output of slabinfo in Debian bug above or in http://marc.info/?l=linux-mm&m=135796154427544&w=2 Thanks, Paul Paul Sza

Bug#695182: [PATCH] Negative (setpoint-dirty) in bdi_position_ratio()

2013-01-24 Thread paul . szabo
quot; (not PAE but HIGHMEM4G) kernel handles the same "sleep test" without any problems. (Thus I now think that the remaining bug is not with writeback.) Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics Univ

Bug#695182: [PATCH] Negative (setpoint-dirty) in bdi_position_ratio()

2013-01-24 Thread paul . szabo
r 32GB RAM. Oddly the problem does not seem to occur when using mem=32g or lower on the kernel boot line (or on machines with less than 32GB RAM). Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of Sydney

Bug#695182: [PATCH] Subtract min_free_kbytes from dirtyable memory

2013-01-22 Thread paul . szabo
patch is not needed on those newer kernels. A question: what is the use or significance of vm_highmem_is_dirtyable? It seems odd that it would be used in setting limits or threshholds, but not used in decisions where to put dirty things. Is that so, is that as should be? What is th

Bug#695182: Write couple of 1GB files for OOM crash

2013-01-21 Thread paul . szabo
t; of the issue: it protects against OOM when writing a few files, but does not protect when running a few sleeps. I am coming back to the idea that this is some signed-vs-unsigned or similar issue... though I could not find it yet! --- Using the amd64 kernel seems a "workable" workaroun

Bug#695182: [RFC] Comments and questions

2013-01-20 Thread paul . szabo
() should add or include NR_SLAB_RECLAIMABLE. (This does not solve the PAE OOM issue.) Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia Reported-by: Paul Szabo Reference: http://bugs.debian.org/695182

Bug#695182: [PATCH] Subtract min_free_kbytes from dirtyable memory

2013-01-20 Thread paul . szabo
When calculating amount of dirtyable memory, min_free_kbytes should be subtracted because it is not intended for dirty pages. Using an "extern int" because that is the only interface to some such sysctl values. (This patch does not solve the PAE OOM issue.) Paul Szabo p...@maths.u

Bug#695182: [PATCH] MAX_PAUSE to be at least 4

2013-01-20 Thread paul . szabo
Ensure MAX_PAUSE is 4 or larger, so limits in return clamp_val(t, 4, MAX_PAUSE); (the only use of it) are not back-to-front. (This patch does not solve the PAE OOM issue.) Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics

Bug#695182: [PATCH] Negative (setpoint-dirty) in bdi_position_ratio()

2013-01-19 Thread paul . szabo
s64 also prevents overflow with left-shift; though normally these numbers are small and I never observed a 32-bit overflow there. (This patch does not solve the PAE OOM issue.) Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-17 Thread paul . szabo
free' shows total Mem 65854128 (up from 64447796 with PAE kernel), and I do not see much change in /proc/iomem output (below). Is that as should be? Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of S

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-15 Thread paul . szabo
re 32-bit non-PAE HIGHMEM4G kernel would work fine), and that one should definitely switch with over 4GB RAM. There would be no need or use for PAE kernels, which should be dropped. I think I agree. Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Ma

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-14 Thread paul . szabo
y reasonable workarounds ... Only one workaround was proposed: use amd64. PAE is buggy and useless, should be deprecated and removed. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-14 Thread paul . szabo
/proc/iomem will let you > locate your memory holes. Thanks, that might explain it. Output of /proc/iomem below: sorry I do not know how to interpret it. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics Universit

Bug#695182: Installing a 64-bit kernel on Debian i386 (Re: [RFC] Reproducible OOM with partial workaround)

2013-01-13 Thread paul . szabo
my machines, hopefully so abandoning buggy PAE. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of

Bug#695182: [RFC] Reproducible OOM with partial workaround

2013-01-13 Thread paul . szabo
me that on a 32-bit machine, apt-get does not "see" the amd64 kernels. Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-12 Thread paul . szabo
Reported to Ubuntu also: PAE regression: OOM with just a few sleeps https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1098961 Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-12 Thread paul . szabo
4671081755304 -/+ buffers/cache: 1615602926060 Swap: 2920 0 2920 and re-trying the "sleep test", it ran into OOM after 18000 or so sleeps and crashed/froze so I had to press the POWER button to recover. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au

Bug#695182: [RFC] Reproducible OOM with just a few sleeps

2013-01-11 Thread paul . szabo
0 4068 111328 Low:769044 120232 648812 High: 13740320 315208 13425112 -/+ buffers/cache: 320044 14189320 Swap:134217724 0 134217724 --- Please let me know of any ideas, or if you want me to run some other test or want to see some other out

Bug#695182: [RFC] Reproducible OOM with partial workaround

2013-01-11 Thread paul . szabo
v_s64((setpoint - dirty) << RATELIMIT_CALC_SHIFT, + x = div_s64(((s64)setpoint - (s64)dirty) << RATELIMIT_CALC_SHIFT, limit - setpoint + 1); pos_ratio = x; pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; ... Cheers, Paul Paul Szabo

Bug#695182: [RFC] Reproducible OOM with partial workaround

2013-01-11 Thread paul . szabo
now seems OK with my patch doing drop_caches. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia --- root@como:~# free -lm total used free sharedbuff

Bug#695182: [RFC] Reproducible OOM with partial workaround

2013-01-10 Thread paul . szabo
0644424892 59646172 -/+ buffers/cache:4232800 60214100 Swap:134217724 0 134217724 psz@como:~$ (though I would not know about violations). But OK, I take your point that I should move with the times. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usy

Bug#695182: [RFC] Reproducible OOM with partial workaround

2013-01-10 Thread paul . szabo
dual, with OOM occuring much sooner with 64GB than with 34GB. Also, the kernel seems capable of reclaiming lowmem, so I wonder why does that fail just over the 32GB threshhold. (Obviously I have no idea what I am talking about.) --- Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usy

Bug#695182: [RFC] Reproducible OOM with partial workaround

2013-01-10 Thread paul . szabo
://bugs.debian.org/cgi-bin/bugreport.cgi?msg=101;att=1;bug=695182 (Please reply to me directly, as I am not a subscriber to the linux-mm mailing list.) Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of Sydney

Bug#695182: Write couple of 1GB files for OOM crash

2013-01-10 Thread paul . szabo
patch/solution/workaround for that particular test. Now I observed another way of making a machine with 64GB crash (sorry, not crash but to suffer an "OOM episode"). I am pretty sure this other "test" is reproducible, but is cumbersome to set up and tedious to do. Ch

Bug#695182: Write couple of 1GB files for OOM crash

2013-01-09 Thread paul . szabo
then look again into kernel code. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubs

Bug#695182: Write couple of 1GB files for OOM crash

2013-01-06 Thread paul . szabo
>> +if (unlikely( >> +i == 1 && >> +nr_slab < 10 && >> +(reclaim_state->reclaimed_slab) < 10 && >> +

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2013-01-06 Thread Paul Szabo
es just a few warnings. I had my patch in use for a while now, so I believe it is suitably tested. Please let me know if I need to do anything else. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2013-01-01 Thread paul . szabo
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2013-01-01 Thread Paul Szabo
tags 695182 - moreinfo thanks Dear Ben, I suggest the following patch, which seems to solve the problem. Two attachments: minimal.patch just to show the simplicity, and complete.patch with comments and enhancements. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-27 Thread paul . szabo
writeback_tmp:0kB pages_scanned:16060 all_unreclaimable? yes Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-16 Thread paul . szabo
s latest OOM episode. --- Thanks again for your prompt fix of bdi_position_ratio(). I will now look for that elusive "next bug". Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustra

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-16 Thread paul . szabo
_ratio * x >> RATELIMIT_CALC_SHIFT; However, with that patch in place I still got an OOM crash (log below). More bugs remain... Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia --

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-15 Thread paul . szabo
t by 10, and on a 32-bit system > with PAE it is possible to have enough dirty pages that the shift > overflows into the sign bit. We need to cast to s64 before the > left-shift. > > Reported-by: Paul Szabo > Reference: http://bugs.debian.org/695182 > Signed-off-by: Ben Hutchin

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-15 Thread paul . szabo
_dirty < x_intercept) { 644 if (bdi_dirty > x_intercept / 8) 645 pos_ratio = div_u64(pos_ratio * x_intercept, bdi_dirty); 646 else 647 pos_ratio *= 8; 648 } 649 BUG

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-09 Thread paul . szabo
may have larger integers, less affected by signedness bugs. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia *** mem=34G - Tail end of /var/log/kern.log [0.00] Kernel command

Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-05 Thread paul . szabo
I know that the same or similar or worse bugs are not present also in the 64-bit build off the same sources? Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, ema

Bug#695182: Re: Bug#695182: linux-image-3.2.0-4-686-pae: Write couple of 1GB files for OOM crash

2012-12-05 Thread paul . szabo
uot;free" or "low" or "high" values do not seem to show anything unusual. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia Extract from output: tota

Bug#384922: NFS insecure without support for squashing multiple groups

2012-02-19 Thread paul . szabo
ntd > option filter_gid, which would behave like --manage-gids except it > transforms the effective gid to anongid when the specified gid is not > a group the user belongs to? I haven't carefully looked over the > protocol specs but at first glance that seems sensible. Yes, my exact wi

Bug#384922: NFS insecure without support for squashing multiple groups

2012-02-19 Thread paul . szabo
oring all groups or in other words doing "manage primary group" similar to secondaries with -manage_gids, and issue might be solved. (In that sense NFSv4+krb is more broken, less feature-rich, than AUTH_SYS.) Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.

Bug#657916: linux-source-2.6.32: ps time doubled then constant: missing lock for task_utime?

2012-02-05 Thread paul . szabo
wrong results" start? Thanks, Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trou

Bug#657916: linux-source-2.6.32: ps time doubled then constant: missing lock for task_utime?

2012-01-29 Thread Paul Szabo
nks, Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- System Information: Debian Release: 6.0.4 APT prefers stable APT policy: (500, 'stable') Architecture: i386 (i686) Kernel:

Bug#582826: Oops: 0002 unable to handle kernel paging request

2010-08-24 Thread paul . szabo
The problem did not re-occur after upgrading to 2.6.26-24. Maybe fixed... Please close bug: I cannot reproduce anymore. Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To

Bug#582826: Oops: 0002 unable to handle kernel paging request

2010-07-08 Thread paul . szabo
that helps. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Troubl

Bug#582826: Oops: 0002 unable to handle kernel paging request

2010-05-23 Thread Paul Szabo
2 f6 c4 40 74 03 8b 52 0c ff 42 04 83 c1 01 39 cb 77 e7 8b 44 24 04 f0 ff 47 10 fb 83 bari kernel: EIP: [] find_get_pages+0x46/0x70 SS:ESP 0068:f7e39e40 bari kernel: === Thanks, Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathe

Bug#568317: Processed: cloning 568317, reassign -1 to kernel-package

2010-02-16 Thread paul . szabo
Normal practice is simply to tag a bug pending when the fix is > committed, and that has been done (automatically). Wow, I was not aware of that. But then... Bug#568823 had been "pending" (I think is now "done"): does that mean that I can expect to see kernel-package_12.03

Bug#568317: Processed: cloning 568317, reassign -1 to kernel-package

2010-02-16 Thread paul . szabo
the svn branch for lenny and it should be in the next > stable update. Thanks. Pity you did not let Bug#568317 (and thus the world) know. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAust

Re: Processed: cloning 568317, reassign -1 to kernel-package

2010-02-16 Thread paul . szabo
ause no-one seems to care much about Debian stable (currently lenny) ... oh well, will patch myself. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian

Bug#568317: linux-image-* postinst did not correctly run lilo

2010-02-07 Thread paul . szabo
ed (now or in the near future). Seeing your reluctance to "talk" to kernel-package, I now reported Bug#568823. Please report the issue with http://packages.debian.org/source/lenny/linux-2.6 . Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ Sc

Bug#568317: linux-image-* postinst did not correctly run lilo

2010-02-07 Thread paul . szabo
to do that? > don't know kernel-package is in slow maintenance, What does "slow maintenance" mean? They seem more up-to-date that linux-2.6 in Debian stable. Anyway please arrange for kernel-package to be fixed also. Cheers, Paul Paul Szabo p...@maths.usyd.edu.au ht

Bug#568317: linux-image-* postinst did not correctly run lilo

2010-02-07 Thread paul . szabo
ll >> http://packages.debian.org/source/lenny/linux-2.6 >> show 2.6.26-19lenny2 : is that a problem? > > That is strange. Perhaps you should report a bug against www.debian.org. Would you be able to do that? (I guess should not use reportbug for that, am not sure how.) Thank

Bug#568317: linux-image-* postinst did not correctly run lilo

2010-02-05 Thread paul . szabo
kage. BTW... lenny 5.0.4, with 2.6.26-21, was announced some time ago, but still http://packages.debian.org/search?keywords=linux-2.6&searchon=sourcenames&suite=stable§ion=all http://packages.debian.org/source/lenny/linux-2.6 show 2.6.26-19lenny2 : is that a problem? Th

Bug#568317: linux-image-* postinst did not correctly run lilo

2010-02-04 Thread paul . szabo
gested changes simple enough so you do not need actual patch files?) Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org

Bug#568317: linux-image-* postinst did not correctly run lilo

2010-02-04 Thread paul . szabo
anchor at the beginning; did not drop the unnecessary my(). Cheers, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia --- usr/share/kernel-package/pkg/headers/postinst.bak 2008-05-02 15:06

Bug#568317: linux-image-* postinst did not correctly run lilo

2010-02-04 Thread paul . szabo
h explicit m//) like: $do_symlink = "" if m/^\s*do_symlinks\s*=\s*(no|false|0)\s*$/i; ... $image_dest = "$1" if m/^\s*image_dest\s*=\s*(\S+)\s*$/i; I wonder about the need to use my() in a single-level script. --- Cheers, Paul Paul Szabo p...@ma

Bug#495529: linux-source: SMP process scheduler leaves CPUs idle

2008-08-18 Thread Paul Szabo
rved 2 idle CPUs.) Please let me know if you need further details. Thanks, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- System Information: Debian Release: 4.0 APT prefers stable APT policy

Bug#406902: kernel NFS data loss

2007-09-18 Thread Paul Szabo
anyway my "patch" did not actually solve anything, so that might be OK. Cheers, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of &qu

Bug#406902: [PATCH] Re: Bug#406902 kernel NFS data loss

2007-07-23 Thread Paul Szabo
The patch below (against 2.6.8-16sarge7) seems to solve the problem. I now run my machines with both this patch, and also the one I submitted on 20 Jul. Please include in future versions of the kernel. Thanks, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of

Bug#406902: kernel NFS data loss

2007-07-21 Thread Paul Szabo
Have now tested the "patch" in my previous message: it does not solve the problem I reported. Cheers, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to [EMAIL

Bug#406902: kernel NFS data loss

2007-07-19 Thread Paul Szabo
ve not yet tested whether this works at all, or whether it improves anything. Thanks, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia --- fs/nfs/dir.c.bak2004-08-14 15:36:58.0 +1000 +++ fs

Bug#406902: kernel-source: NFS data loss

2007-01-14 Thread Paul Szabo
13997 psz cwd DIR 0,15 40965800702 /pisa/users/amstaff/psz/tdir (pisa:/usr/users) Mon Jan 15 08:12:46 EST 2007 Settings: rome# grep psz /etc/passwd psz:x:1001:1001:Paul Szabo:/users/amstaff/psz:/bin/bash rome# ls -l /users/amstaff lrwxrwxrwx 1 root root 19 Jan 19 2

Bug#402094: kernel-source-2.6.8: Intel drivers (net/e100.c, net/e1000/e1000_main.c)

2006-12-07 Thread Paul Szabo
rce-2.6.8/drivers/net/e1000/e1000_main.c char e1000_driver_name[] = "e1000"; char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; char e1000_driver_version[] = "5.2.52-k4"; char e1000_copyright[] = "Copyright (c) 1999-2004 Intel Corporatio

Bug#384922: NFS insecure without support for squashing multiple groups

2006-09-02 Thread Paul Szabo
default root_squash working, and never set non-default permissions on /usr/local or altered root's PATH. I beleive it renders many other systems exploitable also, but have no ways to test that hypothesis. Cheers, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of M

Bug#384922: NFS insecure without support for squashing multiple groups

2006-08-31 Thread Paul Szabo
r it to function securely. But then those settings would need to go into its setup scripts, and it would be in breach of policy, triggering a "serious" bug and its removal from Debian. Cheers, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and

Bug#384922: NFS insecure without support for squashing multiple groups

2006-08-31 Thread Paul Szabo
severity 384922 critical thanks Dear Steve, The issue is root compromise of an NFS server. If that is possible then it is critical; if it is not possible then the bug is solved. It seems logically impossible to downgrade this kind of bugs. Cheers, Paul Szabo [EMAIL PROTECTED] http

Bug#384922: NFS insecure without support for squashing multiple groups

2006-08-31 Thread Paul Szabo
ve no skills to attack). And it can be fixed: root on the server will be safe if we fix either of the last two points, in the policy or if the policy allows us to fix our systems; or if at great expense we implement squashing GIDs. > The answer remains, "don't set your NFS environm

Bug#384922: NFS insecure without support for squashing multiple groups

2006-08-31 Thread Paul Szabo
messages from Steinar, never anything from Anibal. After re-assigning to linux-2.6.16 (hmm... why the specific version?) where the maintainer is a nebulous committee, again you re-jiggle severity; and no word from the maintainers. Thanks, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au

Bug#384922: NFS insecure without support for squashing multiple groups

2006-08-30 Thread Paul Szabo
root users; but that is not this bug. Yes, that is #299007, but am told that policy bugs cannot be critical... Cheers, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustralia -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]

Bug#384922: NFS insecure without support for squashing multiple groups

2006-08-30 Thread Paul Szabo
Dear Steve, You seem to think that this is "important" but not "critical". Don't you agree that it is a root security hole? Thanks, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of SydneyAustr

Bug#384922: nfs-kernel-server: root_squash is broken

2006-08-30 Thread Paul Szabo
s a tiny policy change, to be permitted to drop /usr/local things from root's PATH, or to remove group staff writability from those things. Everyone seems to know those should be done... Thanks for your help, Paul Szabo [EMAIL PROTECTED] http://www.maths.usyd.edu.au/u/psz/ School of Mat