[Kernel-packages] [Bug 1945257] [NEW] zdb -b gives very long progress estimates

2021-09-27 Thread Seth Arnold
Public bug reported: zdb -b has given me some very long progress estimates: $ sudo zdb -b fst [sudo] password for sarnold: Traversing all blocks to verify nothing leaked ... loading space map for vdev 0 of 1, metaslab 115 of 116 ... 4.72T completed (2659MB/s) estimated time remaining: 42944189

[Kernel-packages] [Bug 1944006] Re: focal cloud image on kvm does not have ip_tables kernel module

2021-09-17 Thread Seth Arnold
Hello, can you please look for ip_tables.ko in /lib/modules/*/kernel/net/ipv4/netfilter/ip_tables.ko ? Which linux- modules-* package and which linux-image-* packages do you have installed? Thanks ** Package changed: iptables (Ubuntu) => linux (Ubuntu) -- You received this bug notification beca

[Kernel-packages] [Bug 1937107] Re: Kernel Oops - unable to handle kernel paging request at

2021-08-04 Thread Seth Arnold
** Information type changed from Private Security to Public Security -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1937107 Title: Kernel Oops - unable to handle kernel paging request at

[Kernel-packages] [Bug 1926548] Re: The gatt protocol has out-of-bounds read that leads to information leakage

2021-06-09 Thread Seth Arnold
Wonderful, thanks Daniel! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1926548 Title: The gatt protocol has out-of-bounds read that leads to information leakage Status in Bluez Util

[Kernel-packages] [Bug 1926548] Re: The gatt protocol has out-of-bounds read that leads to information leakage

2021-06-09 Thread Seth Arnold
Daniel, are you sure about that fixed-in-5.56 bug tag? I can't spot the referenced commit in the tarballs 5.55, 5.56, 5.57, 5.58 from: http://www.bluez.org/ nor in the github sources: https://github.com/bluez/bluez/blob/master/src/gatt-database.c#L1054 nor the kernel.org sources: https://git.kern

[Kernel-packages] [Bug 1926548] Re: The gatt protocol has out-of-bounds read that leads to information leakage

2021-06-08 Thread Seth Arnold
** Information type changed from Private Security to Public Security -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1926548 Title: The gatt protocol has out-of-bounds read that leads to

[Kernel-packages] [Bug 1883840] Re: Double free in DCCP module causing kernel panic

2021-06-07 Thread Seth Arnold
Hello Hadar, I'm sorry for the trouble. These have been fixed: https://ubuntu.com/security/notices/USN-4577-1 https://ubuntu.com/security/notices/USN-4576-1 https://ubuntu.com/security/notices/USN-4578-1 https://ubuntu.com/security/notices/USN-4579-1 https://ubuntu.com/security/notices/

[Kernel-packages] [Bug 1930921] Re: Apache 2.4.41 corrupts files from samba share

2021-06-04 Thread Seth Arnold
I've added a few more packages to the bug; nothing in the various links suggested to me that anyone has yet identified where the fault lies. Thanks -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.ne

[Kernel-packages] [Bug 1930921] Re: Apache 2.4.41 corrupts files from samba share

2021-06-04 Thread Seth Arnold
** Information type changed from Private Security to Public Security ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Also affects: samba (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel P

[Kernel-packages] [Bug 1929424] Re: package linux-modules-5.8.0-50-generic 5.8.0-50.56 failed to install/upgrade: impossibile copiare i dati estratti per "./lib/modules/5.8.0-50-generic/kernel/arch/x8

2021-05-24 Thread Seth Arnold
Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privile

[Kernel-packages] [Bug 1922534] Re: touch pad of my laptop is not working

2021-04-05 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1922534 Title: touch pad of my laptop is not working Status in linux package i

[Kernel-packages] [Bug 1861053] Re: no fatrace output in focal

2021-03-12 Thread Seth Arnold
I'm sorry I lost track of this bug. fatrace is still acting strangely for me: $ uname -a Linux millbarge 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:25:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux $ apt policy fatrace fatrace: Installed: 0.13-2 Candidate: 0.13-2 Version table: *** 0.13-2

[Kernel-packages] [Bug 1878194] Re: [Sennheiser HD 4.50 BTNC] Bluetooth headset not working when selecting HSP/HFP audio profile in Focal Fossa

2021-02-17 Thread Seth Arnold
*** This bug is a duplicate of bug 1871794 *** https://bugs.launchpad.net/bugs/1871794 ** Information type changed from Public Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.

[Kernel-packages] [Bug 1914279] Re: linux from security may force reboots without complete dkms modules

2021-02-02 Thread Seth Arnold
Re test rebuilds, that's certainly the intention, but there are occasional problems: https://launchpad.net/bugs/1910555 https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/+bug/1910709 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1910503 (virtualbox, probably not in scop

[Kernel-packages] [Bug 1872504] Re: date modified is wrong for files on an exfat formatted drive

2021-01-22 Thread Seth Arnold
I added the linux source package to this bug because I've heard this commit addresses the issue: https://github.com/gregkh/linux/commit/099340d3e758cca06a82bf5dcff8b9a8acbdcb0a Thanks ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notificat

[Kernel-packages] [Bug 1912708] [NEW] CONFIG_RANDOMIZE_BASE on powerpc / ppc64el

2021-01-21 Thread Seth Arnold
*** This bug is a security vulnerability *** Public security bug reported: Hello, it looks like CONFIG_RANDOMIZE_BASE is not set in our ppc64el kernel configurations, based on running this in an rsync clone of kernel.ubuntu.com::kernel-ppa-config/ : grep CONFIG_RANDOMIZE_BASE $(find . -iname '*p

[Kernel-packages] [Bug 1910576] Re: [MIR] libbpf (dependency of iproute2)

2021-01-14 Thread Seth Arnold
Thanks Christian, I think you're right, this probably doesn't need a security review and being centralized in one place will probably be easier to maintain. Thanks ** Changed in: libbpf (Ubuntu) Status: New => Fix Committed ** Changed in: libbpf (Ubuntu) Assignee: Seth

[Kernel-packages] [Bug 1908768] Re: TouchPad don't response

2020-12-22 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1908768 Title: TouchPad don't response Status in linux package in Ubuntu: Co

[Kernel-packages] [Bug 1908829] Re: package linux-headers-5.4.0-58 5.4.0-58.64 failed to install/upgrade: unable to create new file '/var/lib/dpkg/info/linux-headers-5.4.0-58.list-new': Operation not

2020-12-22 Thread Seth Arnold
Hello, was this perhaps within a container that might have just had the host filesystem passed in without write access? Thanks ** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to li

[Kernel-packages] [Bug 1907984] Re: Wifi and ethernet not working anymore since 5.4.0-54

2020-12-16 Thread Seth Arnold
Hopefully helpful, hopefully this isn't a red herring, but it sure seems suspicious timing: [ 113.249890] rfkill: input handler disabled [ 242.742392] INFO: task kworker/u16:3:110 blocked for more than 120 seconds. [ 242.742399] Not tainted 5.4.0-58-generic #64-Ubuntu [ 242.742401] "echo

[Kernel-packages] [Bug 1907852] Re: package libnvidia-gl-455 (not installed) failed to install/upgrade: new libnvidia-gl-455:i386 package pre-installation script subprocess returned error exit status

2020-12-14 Thread Seth Arnold
Hello Sanjay, from your logs: diversion of /usr/lib/i386-linux-gnu/libGL.so.1 to /usr/lib/i386-linux- gnu/libGL.so.1.distrib by nvidia-340 I don't know nvidia drivers well, but this looks a bit like an older driver is still installed while trying to install a new one. Does this sound familiar? T

[Kernel-packages] [Bug 1907852] Re: package libnvidia-gl-455 (not installed) failed to install/upgrade: new libnvidia-gl-455:i386 package pre-installation script subprocess returned error exit status

2020-12-14 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-drivers-455 in Ubuntu. https://bugs.launchpad.net/bugs/1907852 Title: package libnvidia-gl-455 (not installed) f

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-03 Thread Seth Arnold
My guess is the next step is trying the zfs send | ssh zfs recv commands that were causing the VERIFY(size != 0) failed message with traces. I've always been uneasy with the 'main' error coming only with a recv operation, relying upon two systems to recreate a bug is iffy at best. And since it wedg

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-03 Thread Seth Arnold
The scrub has finished, no new errors in zpool status -v, dmesg is filled with debugging messages, I hope something is useful. :) Thanks $ uname -a Linux wopr 4.15.0-126-generic #129-Ubuntu SMP Mon Nov 23 18:53:38 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux $ modinfo zfs | grep -i version version:

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-02 Thread Seth Arnold
Here's smartctl output on the disks in the pool. It's a bit hard to summarize nine drives of smartctl output but nothing stood out as interesting to me. My journals only go back a few months so they wouldn't show any IO errors at the time of this problem being introduced, but this currently gives

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-02 Thread Seth Arnold
Picking the previous bad object (which I'm pretty sure should still be intact): $ modinfo zfs | grep ^version version:0.7.5-1ubuntu16.10+lp1861235 $ uname -a Linux wopr 4.15.0-126-generic #129-Ubuntu SMP Mon Nov 23 18:53:38 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux $ sudo zdb - srv/back

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-02 Thread Seth Arnold
Hello Andrea, thanks for looking into my problem. # zpool status -v pool: fst state: ONLINE scan: scrub repaired 0B in 2h37m with 0 errors on Sun Nov 8 03:01:53 2020 config: NAMESTATE READ WRITE CKSUM fst ONLINE 0

[Kernel-packages] [Bug 1905150] Re: package linux-image-5.4.0-55-generic 5.4.0-55.61 failed to install/upgrade: o subprocesso instalado, do pacote linux-image-5.4.0-55-generic, o script pre-removal re

2020-11-25 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1905150 Title: package linux-image-5.4.0-55-generic 5.4.0-55.61 failed to ins

[Kernel-packages] [Bug 1905236] Re: Linux version 4.15.0-72-generic: [Kernel panic - not syncing: Fatal exception in interrupt]

2020-11-25 Thread Seth Arnold
Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privile

[Kernel-packages] [Bug 1814983] Re: zfs poor sustained read performance from ssd pool

2020-10-27 Thread Seth Arnold
Hi Colin, thanks so much for giving this another look. I don't see any references to trying different zfs_arc_meta_limit* settings here! I raised zfs_arc_meta_limit_percent from the default 75 to 95 and my system has been running this ripgrep for four hours without falling to pieces. I think we c

Re: [Kernel-packages] [Bug 1873074] Re: kernel panic hit by kube-proxy iptables-save/restore caused by aufs

2020-10-21 Thread Seth Arnold
On Wed, Oct 21, 2020 at 10:32:14PM -, Peter Burkholder wrote: > Is there an approval/publication step that y'alls still need to take? Yes, there is; it's been a busy, uh, three months give or take. Thanks for the friendly reminder. :) -- You received this bug notification because you are a

[Kernel-packages] [Bug 1898742] Re: Linux Kernel "ppp_cp_parse_cr()" Denial of Service Vulnerability

2020-10-06 Thread Seth Arnold
This appears to be: https://people.canonical.com/~ubuntu- security/cve/2020/CVE-2020-25643.html Thanks ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-25643 ** Package changed: linux-meta (Ubuntu) => linux (Ubuntu) ** Information type changed from Private Security to Public Se

[Kernel-packages] [Bug 1898351] Re: Wifi does not show up or work

2020-10-06 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1898351 Title: Wifi does not show up or work Status in linux package in Ubuntu

[Kernel-packages] [Bug 1897982] Re: bcmwl-kernel-source 6.30.223.271+bdcom-0ubuntu5 (amd64 binary) in ubuntu groovy leaves MacBook Air offline

2020-10-06 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1897982 Title: bcmwl-kernel-source 6.30.223.271+bdcom-0ubuntu5 (amd64 binary) i

[Kernel-packages] [Bug 1897792] Re: package bcmwl-kernel-source 6.30.223.30+bdcom-0ubuntu1~ppa1 failed to install/upgrade: installed bcmwl-kernel-source package post-installation script subprocess ret

2020-10-06 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1897792 Title: package bcmwl-kernel-source 6.30.223.30+bdcom-0ubuntu1~ppa1 fail

[Kernel-packages] [Bug 1897380] Re: Input sound is not working

2020-10-06 Thread Seth Arnold
Thank you for taking the time to report this bug and helping to make Ubuntu better. Reviewing your dmesg attachment to this bug report it seems that there may be a problem with your hardware. I'd recommend performing a back up and then investigating the situation. Measures you might take include

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-09-24 Thread Seth Arnold
Is it interesting that I'm seeing both 19 and 20 in my dmesg? [1229822.406130] dmu_object_free: object = 0x266d2904, dn->dn_type = 20 [1229823.980888] dmu_object_free: object = 0x266d0d5a, dn->dn_type = 20 [1229823.994690] dmu_object_free: object = 0x266d0d5b, dn->dn_type = 20 [1229823.998123] dmu

[Kernel-packages] [Bug 1890223] Re: No Wi-Fi Adapter Found Ubuntu 20.04 after updated Linux kernel to version 5.4.0-42-generic

2020-09-16 Thread Seth Arnold
Hello Eko, my guess is the process that had the debconf database locked was asking you to enroll a new secure boot key. By killing it rather than configuring a key, you can't install self-built kernel modules. I suggest looking at the "Manual Method" section of https://wiki.ubuntu.com/UEFI/SecureB

[Kernel-packages] [Bug 1892520] Re: Cannot sent h2c command

2020-08-21 Thread Seth Arnold
Hopefully helpful: [ 45.069078] NVRM: API mismatch: the client has the version 440.95.01, but NVRM: this kernel module has the version 440.100. Please NVRM: make sure that this kernel module and all NVIDIA driver NVRM: components have the same versio

[Kernel-packages] [Bug 1892239] Re: Audio Problems Ubuntu 20.04

2020-08-21 Thread Seth Arnold
Hello Trinity, Quite often, running pavucontrol is enough to see what needs to be changed to make audio output work correctly. I hope this helps. Thanks ** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Package

[Kernel-packages] [Bug 1887190] Re: MSFT Touchpad not working on Lenovo Legion-5 15ARH05

2020-08-21 Thread Seth Arnold
** Information type changed from Public Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1887190 Title: MSFT Touchpad not working on Lenovo Legion-5 15ARH05 Status in P

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-08-14 Thread Seth Arnold
I was reminded of this bug earlier today -- Andrea, Sultan, thanks so much for fixing my issues. I've been happily running along for months now. :) Thanks! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launc

[Kernel-packages] [Bug 1888715] Re: UDP data corruption caused by buggy udp_recvmsg() -> skb_copy_and_csum_datagram_msg()

2020-07-24 Thread Seth Arnold
Hello Dexuan, wonderful, thanks; Eric's proposed patch confuses me on one point: - if (rcu_access_pointer(sk->sk_filter) && - udp_lib_checksum_complete(skb)) + if (udp_lib_checksum_complete(skb)) goto csum_error; Do you know why the rcu_access_pointer() call

[Kernel-packages] [Bug 1888442] Re: upgrade did not go well

2020-07-22 Thread Seth Arnold
These cryptsetup warnings and errors are indeed due to my zfs use, I see them several times a month for the life of the machine, roughly the last ten months. Don't let the 'error' there scare you, as it did me. I don't understand them, but they also don't appear to have any consequences. The probl

[Kernel-packages] [Bug 1310717] Re: process segfaults, hung task timeouts

2020-06-18 Thread Seth Arnold
I'm sorry, I can't recall that system very well at this point. "gmain" is the generic name used by any application using glib's g_get_worker_context() function to create worker threads. At this point I can't even recall if I booted that system with X11 / lightdm or if I had configured it to boot to

[Kernel-packages] [Bug 1883086] Re: package linux-image-4.4.0-178-generic 4.4.0-178.208 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

2020-06-11 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1883086 Title: package linux-image-4.4.0-178-generic 4.4.0-178.208 faile

[Kernel-packages] [Bug 1882850] Re: Touchpad not detected

2020-06-09 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1882850 Title: Touchpad not detected Status in linux package in Ubuntu: New

[Kernel-packages] [Bug 1779736] Re: umask ignored on NFSv4.2 mounts

2020-05-28 Thread Seth Arnold
The default NFSv4 acls may be a poor choice on ZOL. This keeps biting people unexpectedly, I wonder how many people this has affected and they never spot it? Thanks ** Also affects: zfs-linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-05-28 Thread Seth Arnold
I picked the last dataset given in the command output from an earlier, but not the most recent, comment: $ sudo zdb - srv/backups/millbarge/rpool/var/log 529 Dataset srv/backups/millbarge/rpool/var/log [ZPL], ID 39694, cr_txg 23197757, 554M, 274 objects, rootbp DVA[0]=<1:1d000d42000:1000> DV

Re: [Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-05-15 Thread Seth Arnold
On Sat, May 16, 2020 at 01:56:08AM -, Seth Arnold wrote: > Sadly, journalctl doesn't have the dmesg from the previous boot: I meant to say, journalctl's copy of dmesg from the previous boot doesn't have the new debug output. Sorry. Thanks -- You received this bug notifi

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-05-15 Thread Seth Arnold
Hello Colin, trying the zfs recv operation on the .3 dkms eventually kills my system dead. There was nothing on the console. The cursor on the console stopped blinking; I couldn't switch VTs. My ssh sessions were hung. ping reported destination host unreachable. It ran for about two and a half min

[Kernel-packages] [Bug 1814983] Re: zfs poor sustained read performance from ssd pool

2020-05-14 Thread Seth Arnold
Hello Colin, this looks promising for my arc_prune spinlock contention problems: https://github.com/openzfs/zfs/pull/10331 with some background here: https://github.com/openzfs/zfs/issues/7559 This might have a simple ~dozen line fix! It's not yet reviewed by the openzfs gurus but it sure *look

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-05-12 Thread Seth Arnold
Thanks Colin! [ 271.628232] dnone_free_ramge: nblks = 0, trunc = 1, len = 18446744073709551615, blkshift = 0 [ 271.628297] dnode_free_range: nblks == 0, len == 18446744073709551615 , off=0 [ 271.628298] range_tree_clear: size == 0 [ 271.628375] range_tree_find_impl: size == 0 [

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-05-11 Thread Seth Arnold
Here's the part that looks important; the whole dmesg is in the attachment. Thanks [ 761.730488] dnone_free_ramge: nblks = 0, trunc = 1, len = 18446744073709551615, blkshift = 0 [ 761.730542] dnode_free_range: nblks == 0, len == 18446744073709551615 , off=0 [ 761.730543] range_

[Kernel-packages] [Bug 1876697] Re: test_regression_testsuite from ubuntu_qrt_apparmor failed on Focal zVM

2020-05-06 Thread Seth Arnold
This feels related to https://bugs.launchpad.net/ubuntu/+source/rtkit/+bug/1875665 which was filed by amd64 users. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1876697 Title: test_regr

[Kernel-packages] [Bug 1875513] Re: wifi is not showing in select networks

2020-04-27 Thread Seth Arnold
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1875513 Title: wifi is not showing in select networks Status in linux package

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-04-22 Thread Seth Arnold
Hello Colin, yes, this is still an open issue: Linux wopr 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:09:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Apr 22 19:10:03 wopr zed[12576]: eid=8352 class=history_event pool_guid=0xB3B099B638F02EEF Apr 22 19:10:03 wopr kernel: VERIFY(size != 0) failed

[Kernel-packages] [Bug 1814983] Re: zfs poor sustained read performance from ssd pool

2020-04-17 Thread Seth Arnold
Colin, thanks for the link to https://github.com/openzfs/zfs/issues/9966 ; unfortunately I think that's a different problem, my meta use seems less drastic than the github issue arc_prune 41859269059 arc_meta_used 43590932168 arc_meta_limit

[Kernel-packages] [Bug 1814983] Re: zfs poor sustained read performance from ssd pool

2020-04-17 Thread Seth Arnold
I forgot to mention, my l2arc is used on the second pool on this system: $ zpool iostat -v capacity operations bandwidth pool alloc free read write read write -

[Kernel-packages] [Bug 1814983] Re: zfs poor sustained read performance from ssd pool

2020-04-17 Thread Seth Arnold
Andreas, this system is running 18.04 LTS, 0.7.5-1ubuntu16.8, 4.15.0-91-generic. It has 128 gigs of ram; the workload is running ripgrep on an entire unpacked Ubuntu source archive, roughly 193 million files, 3.8 TB of data, on a single raidz1 ssd vdev. So I have no illusions that this workload f

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-04-16 Thread Seth Arnold
Andrea, I've been running the v1 kernel for a day or so now: [0.00] Linux version 5.4.0-24-generic (arighi@sita) (gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu1)) #28+lp1861359v1 SMP Wed Apr 15 14:49:33 UTC 2020 (Ubuntu 5.4.0-24.28+lp1861359v1-generic 5.4.30) $ uptime 02:21:45 up 1 day, 9 min

[Kernel-packages] [Bug 1814983] Re: zfs poor sustained read performance from ssd pool

2020-04-16 Thread Seth Arnold
Writing 8589934592 (eight gigs) into the zfs_arc_dnode_limit seemed to make an improvement: the arc_prune threads would periodically spike above 20% CPU use, but would return to 2-5% CPU use quickly; it worked well for a long time, perhaps even hours, before all the arc_prune threads returned to ~5

[Kernel-packages] [Bug 1814983] Re: zfs poor sustained read performance from ssd pool

2020-04-16 Thread Seth Arnold
Thanks Colin, I believe that bountysource.com url is a scrape of https://github.com/openzfs/zfs/issues/6223 I hadn't seen much of this information before. Sadly my machine doesn't have enough memory to just keep turning up the knobs -- the working set far exceeds the memory of my computer. A re

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-04-07 Thread Seth Arnold
I should point out that the period bursts of writes every five seconds in my vmstat 1 output is due to zfs's flushing mechanism; by default it flushes dirty pages every five seconds. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-04-07 Thread Seth Arnold
Thanks Andrea, I don't think that helped. I'll attach a file with vmstat 1 output and funclatency output, along with a few notes on the testing. Thanks ** Attachment added: "after-limiting-dirty-bytes" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861359/+attachment/5349071/+files/aft

[Kernel-packages] [Bug 1869465] Re: Kdump-Tools: Makedumpfile Failed, Falling Back To 'Cp'

2020-04-06 Thread Seth Arnold
Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privile

[Kernel-packages] [Bug 1862708] Re: tracing doesn't work on focal

2020-04-03 Thread Seth Arnold
Just to be clear, not *all* tracing tools work, but this is much better: sarnold@millbarge:/tmp$ uname -a Linux millbarge 5.4.0-21-generic #25-Ubuntu SMP Sat Mar 28 13:10:28 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux sarnold@millbarge:/tmp$ sudo zfsslower-bpfcc Traceback (most recent call last):

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-04-03 Thread Seth Arnold
Stefan, while recent kernels seem happier than previous kernels (I think -14 era was terrible), I don't think this problem is fixed yet: sarnold@millbarge:/tmp$ uname -a Linux millbarge 5.4.0-21-generic #25-Ubuntu SMP Sat Mar 28 13:10:28 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux sarnold@millbarge:/

[Kernel-packages] [Bug 1862708] Re: tracing doesn't work on focal

2020-04-02 Thread Seth Arnold
I'm sorry for the slow response Francis, I've been running custom kernels for: https://bugs.launchpad.net/bugs/1861359 for a while. Thanks for the reminder. sarnold@millbarge:~$ dmesg | grep -i lockdown [0.00] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7 [

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-04-02 Thread Seth Arnold
Sultan put together a kernel with some debugging for me: [101616.889859] __alloc_pages_nodemask: stall of 3683ms for order-0, mask: 0x100dca [101616.889863] Call Trace: [101616.889880] __alloc_pages_nodemask+0x34f/0x3b0 [101616.889887] alloc_pages_vma+0x7f/0x200 [101616.889893] do_anonymous_pa

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-03-30 Thread Seth Arnold
Sultan, thanks for the advice. I set this watermark boost factor to zero as you suggested, and then decided to try a stupid simple benchmark of my storage -- my swap is a zfs dataset on nvme. zfs means it'll go slower than raw nvme block access: $ dd if=ubuntu-18.04.4-desktop-amd64.iso of=foo bs=

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-03-25 Thread Seth Arnold
I'm adding the champagne tag to this bug to bring it to a potential wider audience; I think we may need to take more drastic steps like disabling swap on upgrades, not offering swap in our installers, etc., to try to have a better experience. Thanks ** Tags added: champagne -- You received this

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-03-25 Thread Seth Arnold
BTW, this is still happening in: Linux millbarge 5.4.0-20-generic #24-Ubuntu SMP Mon Mar 23 20:55:46 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux I've seen it both with firefox in trello, firefox in launchpad (typing this comment) and doing two sequential wgets of http://releases.ubuntu.com/18.04/ubun

[Kernel-packages] [Bug 1862706] Re: segfaults, dpkg script failures

2020-03-10 Thread Seth Arnold
Hello Colin, I'm not sure: - I'm now on 5.4.0-17-generic to try to debug a different issue - I believe I've fixed all the datasets that were failing to mount at boot time due to unexpected files or directories in the mountpoints - I don't know why zfs was segfaulting in the first place: it was m

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-03-09 Thread Seth Arnold
There is an interesting (to me, anyway) change of behaviour with the -17 kernel: while earlier kernels would appear to be locked solid for 30-60 seconds before the screen could update, -17 allows screen updates every six seconds or so. I have an always-running mosh session to a remote host running

[Kernel-packages] [Bug 1862708] Re: tracing doesn't work on focal

2020-03-05 Thread Seth Arnold
I couldn't find a way to disable the lockdown functionality short of disabling secure boot in my UEFI system setup. If we choose to keep lockdown enabled by default then we will need to document a way it can be disabled so users can run applications like https://cilium.io/ or the bcc iovisor tools

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-03-03 Thread Seth Arnold
Andrea, unfortunately this updated kernel hasn't fixed the problem: 01:02:48 up 21:21, 9 users, load average: 1.45, 0.98, 0.58 Linux millbarge 5.4.0-17-generic #21-Ubuntu SMP Fri Feb 28 16:18:44 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux I was able to reproduce the swap growth and hangs with Fi

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-03-02 Thread Seth Arnold
Andrea, this new kernel looks promising. Linux millbarge 5.4.0-17-generic #21-Ubuntu SMP Fri Feb 28 16:18:44 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Unfortunately I didn't check the reproducer before rebooting: the error message I get with it now suggests that it might not work any more. However

[Kernel-packages] [Bug 1865295] [NEW] dangling documentation symlinks

2020-02-29 Thread Seth Arnold
Public bug reported: Hello, there's dangling symlinks in the zfsutils-linux binary packages on a bionic system: lrwxrwxrwx 1 root root7 Apr 13 2016 libnvpair1linux -> zfs-doc lrwxrwxrwx 1 root root7 Apr 13 2016 libuutil1linux -> zfs-doc lrwxrwxrwx 1 root root7 Apr 13 2016 libzfs2li

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-02-28 Thread Seth Arnold
This web page may be a good reproducer candidate: https://platform.leolabs.space/visualizations/conjunction?type=conjunction&reportId=2004981040 Loading it in firefox would make my computer unresponsive for over a minute. (Be careful with firefox reloading it when re-opening firefox.) Loading it

[Kernel-packages] [Bug 1864272] [NEW] How to disable lockdown?

2020-02-21 Thread Seth Arnold
Public bug reported: Hello, I tried to disable lockdown so I could debug bug 1861359. I changed my security= kernel command line parameter to no longer reference lockdown or integrity and yet the lockdown still applied: sarnold@millbarge:~/Canonical/work-reports$ uname -a Linux millbarge 5.4.0-1

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-02-18 Thread Seth Arnold
$ uname -a Linux millbarge 5.4.0-12-generic #15-Ubuntu SMP Tue Jan 21 15:12:29 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux $ cat /proc/sys/kernel/ftrace_enabled 1 $ sudo kprobe-perf -s 'p:shrink_node' [sudo] password for sarnold: ERROR: func shrink_node not in /sys/kernel/debug/tracing/available_fil

[Kernel-packages] [Bug 1861359] Re: swap storms kills interactive use

2020-02-12 Thread Seth Arnold
$ uname -a Linux millbarge 5.4.0-12-generic #15-Ubuntu SMP Tue Jan 21 15:12:29 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux $ grep FTRACE /boot/config-`uname -r` CONFIG_KPROBES_ON_FTRACE=y CONFIG_HAVE_KPROBES_ON_FTRACE=y CONFIG_STM_SOURCE_FTRACE=m # CONFIG_PSTORE_FTRACE is not set CONFIG_HAVE_DYNAMIC_F

[Kernel-packages] [Bug 1862840] Re: [Bionic] i915 incomplete fix for CVE-2019-14615

2020-02-11 Thread Seth Arnold
Please use CVE-2020-8832 for this issue. Thanks. ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-8832 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862840 Title: [Bi

[Kernel-packages] [Bug 1862708] Re: tracing doesn't work on focal

2020-02-10 Thread Seth Arnold
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862708 Title: tracing doesn't work on focal Status in linux package

[Kernel-packages] [Bug 1862708] PciMultimedia.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "PciMultimedia.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327192/+files/PciMultimedia.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.n

[Kernel-packages] [Bug 1862708] Lsusb.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "Lsusb.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327189/+files/Lsusb.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862708

[Kernel-packages] [Bug 1862708] ProcInterrupts.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327194/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad

[Kernel-packages] [Bug 1862708] WifiSyslog.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "WifiSyslog.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327199/+files/WifiSyslog.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bug

[Kernel-packages] [Bug 1862708] ProcModules.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "ProcModules.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327195/+files/ProcModules.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/b

[Kernel-packages] [Bug 1862708] ProcCpuinfoMinimal.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327193/+files/ProcCpuinfoMinimal.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.l

[Kernel-packages] [Bug 1862708] RfKill.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "RfKill.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327197/+files/RfKill.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862708

[Kernel-packages] [Bug 1862708] Card0.Amixer.values.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "Card0.Amixer.values.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327183/+files/Card0.Amixer.values.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs

[Kernel-packages] [Bug 1862708] Card0.Codecs.codec.2.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "Card0.Codecs.codec.2.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327185/+files/Card0.Codecs.codec.2.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bu

[Kernel-packages] [Bug 1862708] Lsusb-v.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "Lsusb-v.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327191/+files/Lsusb-v.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862

[Kernel-packages] [Bug 1862708] PulseList.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "PulseList.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327196/+files/PulseList.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/

[Kernel-packages] [Bug 1862708] Card1.Amixer.values.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "Card1.Amixer.values.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327186/+files/Card1.Amixer.values.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs

[Kernel-packages] [Bug 1862708] CurrentDmesg.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327187/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net

[Kernel-packages] [Bug 1862708] Lspci.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327188/+files/Lspci.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862708

[Kernel-packages] [Bug 1862708] Lsusb-t.txt

2020-02-10 Thread Seth Arnold
apport information ** Attachment added: "Lsusb-t.txt" https://bugs.launchpad.net/bugs/1862708/+attachment/5327190/+files/Lsusb-t.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862

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