[Kernel-packages] [Bug 2061091] Re: Freezing user space processes failed after 20.008 seconds (1 tasks refusing to freeze, wq_busy=0)

2024-04-29 Thread GuoqingJiang
Thanks for the update, could you bisect which commit fixes the issue since upstream 6.8 works? https://git-scm.com/docs/git-bisect -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-hwe-6.5 in Ubuntu.

[Kernel-packages] [Bug 2042363] Re: AIX 7.3 NFS client frequently returns an EIO error to an application when reading or writing to a file that has been locked with fcntl() on a Ubuntu 20.04 NFSV4 ser

2024-04-25 Thread GuoqingJiang
Per comment#23, the ip from AIX 7.2 client are: 9.20.120.127 name = adia.v6.hursley.ibm.com -- Primary 9.20.121.46 name = amberjack.v6.hursley.ibm.com ? Partner And I searched the trace again with above ips, looks socket cc6f0db2 is created between 9.20.120.127 and nfs server, however

[Kernel-packages] [Bug 2051232] Re: kernel: BUG: Bad page state in process kworker

2024-04-23 Thread GuoqingJiang
Could you try the latest upstream kernel which convert dm-crypt's tasklet to BH workqueue? I suppose the commit fb6ad4aec1d0 ("dm-crypt: Convert from tasklet to BH workqueue") might resolve the issue. And mantic master-next has disabled tasklets for dm-crypt. https://git.launchpad.net/~ubuntu-

[Kernel-packages] [Bug 2051123] Re: Kernel traces leading to crash - refcount_t: underflow; use-after-free and refcount_t: saturated; leaking memory -- lib/refcount.c

2024-04-23 Thread GuoqingJiang
Err, the comments (#5 and #6) are for lp#2051232, sorry for confusion! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-6.5 in Ubuntu. https://bugs.launchpad.net/bugs/2051123 Title: Kernel traces leading to crash - refcount_t:

[Kernel-packages] [Bug 2051123] Re: Kernel traces leading to crash - refcount_t: underflow; use-after-free and refcount_t: saturated; leaking memory -- lib/refcount.c

2024-04-23 Thread GuoqingJiang
Just noticed master-next has disabled tasklets for dm-crypt. https://git.launchpad.net/~ubuntu- kernel/ubuntu/+source/linux/+git/mantic/commit/?h=master- next=13104eddc76990dc3e4183cff050c9b6dc5e859e I suppose hwe-6.5 will sync from mantic later, so please try with the newer kernel. -- You

[Kernel-packages] [Bug 2051123] Re: Kernel traces leading to crash - refcount_t: underflow; use-after-free and refcount_t: saturated; leaking memory -- lib/refcount.c

2024-04-22 Thread GuoqingJiang
Could you try the latest upstream kernel which convert dm-crypt's tasklet to BH workqueue? I suppose the commit fb6ad4aec1d0 ("dm-crypt: Convert from tasklet to BH workqueue") might resolve the issue. -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 2042363] Re: AIX 7.3 NFS client frequently returns an EIO error to an application when reading or writing to a file that has been locked with fcntl() on a Ubuntu 20.04 NFSV4 ser

2024-04-17 Thread GuoqingJiang
** Attachment added: "RENEW packets between 9.20.32.85 (server) and 9.20.120.127 (7.2 client)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2042363/+attachment/5767206/+files/7.2nfs.png -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 2042363] Re: AIX 7.3 NFS client frequently returns an EIO error to an application when reading or writing to a file that has been locked with fcntl() on a Ubuntu 20.04 NFSV4 ser

2024-04-17 Thread GuoqingJiang
** Attachment added: "packets for 9.20.32.85 (server) and 9.20.120.112 (7.3 client)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2042363/+attachment/5767207/+files/7.3nfs.png -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 2042363] Re: AIX 7.3 NFS client frequently returns an EIO error to an application when reading or writing to a file that has been locked with fcntl() on a Ubuntu 20.04 NFSV4 ser

2024-04-17 Thread GuoqingJiang
Sorry, I can't distinguish which parts of logs in the attachments (#comment11, #comment12 and #comment13) are belong to the connection from working 7.2 and non-working 7.3. All the attachments have "TCP recvfrom got EAGAIN" which should from the connection for 7.3. $ grep "TCP recvfrom got

[Kernel-packages] [Bug 2053194] Re: latest kernel update breaks sata hotplug on z690

2024-04-17 Thread GuoqingJiang
Could someone do git bisect to check which commit could cause the regression? My wild guess would be the commit which add Intel Alder Lake-P AHCI controller to low power chipsets list or others in the following. $ git log --oneline Ubuntu-5.15.0-92.102..Ubuntu-5.15.0-94.104 |grep "ata: ahci"

[Kernel-packages] [Bug 2061091] Re: Freezing user space processes failed after 20.008 seconds (1 tasks refusing to freeze, wq_busy=0)

2024-04-17 Thread GuoqingJiang
Looks suspend/resume can be completed sometimes. Apr 15 12:49:26 xps9320 kernel: [10214.971688] Freezing user space processes completed (elapsed 0.002 seconds) Apr 15 21:45:23 xps9320 kernel: [30355.137512] Freezing user space processes completed (elapsed 0.015 seconds) Apr 15 23:02:59 xps9320

[Kernel-packages] [Bug 2061091] Re: Freezing user space processes failed after 20.008 seconds (1 tasks refusing to freeze, wq_busy=0)

2024-04-16 Thread GuoqingJiang
And this call trace looks is related to current issue, I guess snd_power_ref_and_wait was waiting for snd_card_disconnect which wakes up power_sleep at the end of the code, but snd_card_disconnect -> snd_device_disconnect_all -> snd_pcm_dev_disconnect was blocked for some reason. Apr 15 21:48:23

[Kernel-packages] [Bug 2061091] Re: Freezing user space processes failed after 20.008 seconds (1 tasks refusing to freeze, wq_busy=0)

2024-04-16 Thread GuoqingJiang
There is another calltrace in kern.log which might be another issue (probably need a separated bug report). Apr 15 21:45:23 xps9320 kernel: [43079.109011] Apr 15 21:45:23 xps9320 kernel: [43079.112281] UBSAN:

[Kernel-packages] [Bug 2061091] Re: Freezing user space processes failed after 20.008 seconds (1 tasks refusing to freeze, wq_busy=0)

2024-04-16 Thread GuoqingJiang
Could you share which audio driver is used in the affected system by "cat /proc/asound/modules"? And pls attach the full kern.log to check if something is suspicious here. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 2042363] Re: AIX 7.3 NFS client frequently returns an EIO error to an application when reading or writing to a file that has been locked with fcntl() on a Ubuntu 20.04 NFSV4 ser

2024-04-15 Thread GuoqingJiang
Per below from the trace file Nov 30 11:13:40 duckseason kernel: [1291756.354728] nfsd_dispatch: vers 4 proc 1 Nov 30 11:13:40 duckseason kernel: [1291756.354731] svc: server 7c7e7536, pool 0, transport 3fd86d34, inuse=3 Nov 30 11:13:40 duckseason kernel: [1291756.354732]

[Kernel-packages] [Bug 2058750] Re: i915 GPU HANG: ecode 12:1:db96edba

2024-04-14 Thread GuoqingJiang
Looks the log from #comment3 is similar as this link. https://www.reddit.com/r/archlinux/comments/14zifl8/gpu_hang_issue_on_laptop_had_to_hard_shutdown/ Could you try with latest firmware from upstream? The latest version is 70.20.0 per the log.

[Kernel-packages] [Bug 2060217] Re: NFSv4 fails to mount in noble/s390x

2024-04-11 Thread GuoqingJiang
Thanks Vasily. After it is merged by upstream maintainer, maybe you can send it to ubuntu kernel list as well, or wait until noble update to future upstream stable release since the patch has been cced to sta...@vger.kernel.org and also has fixes tag. -- You received this bug notification

[Kernel-packages] [Bug 2060217] Re: NFSv4 fails to mount in noble/s390x

2024-04-10 Thread GuoqingJiang
Thanks for the info, and I tested v6.6 which was fine. Will dig into about the change. -- 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/2060217 Title: NFSv4 fails to mount in noble/s390x

[Kernel-packages] [Bug 2057734] Re: proc_sched_rt01 from ubuntu_ltp failed

2024-04-10 Thread GuoqingJiang
jammy will include them after update to v5.15.150 ** Changed in: linux (Ubuntu Jammy) Status: New => Won't Fix -- 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/2057734 Title:

[Kernel-packages] [Bug 2057734] Re: proc_sched_rt01 from ubuntu_ltp failed

2024-04-10 Thread GuoqingJiang
focal master-next has those fix commits ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Jammy) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Focal) Status: New => Won't Fix -- You received this

[Kernel-packages] [Bug 2057734] Re: proc_sched_rt01 from ubuntu_ltp failed

2024-04-10 Thread GuoqingJiang
signed) => GuoqingJiang (guoqingjiang) ** Changed in: linux (Ubuntu) Status: New => Invalid ** Changed in: linux (Ubuntu) Milestone: mantic-updates => noble-updates -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux i

[Kernel-packages] [Bug 2057734] Re: proc_sched_rt01 from ubuntu_ltp failed

2024-04-10 Thread GuoqingJiang
Given ESM kernel only accepts CVE patches, will only send patches against Mantic [Impact] The updated LTP has added proc_sched_rt01 testcase which can't pass since several commits are missed from kernel side. Test log: INFO: Test start time: Tue Mar 12 11:52:21 UTC 2024 COMMAND:

[Kernel-packages] [Bug 2060217] Re: NFSv4 fails to mount in noble/s390x

2024-04-10 Thread GuoqingJiang
So mount v4 returns 32 (probably means EPIPE) but v3 returns 0. ubuntu@nfs:~$ sudo strace -e mount mount localhost:/home /mnt/nfs_home -o vers=4 mount.nfs: mount system call failed for /mnt/nfs_home --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1830, si_uid=0, si_status=32,

[Kernel-packages] [Bug 2060217] Re: NFSv4 fails to mount in noble/s390x

2024-04-08 Thread GuoqingJiang
Hi Andreas, I'd like to take a look, could you please let me know how to access your vm? Because I don't have s390 hw. BTW, seems it is fine for both amd64 and arm64. https://autopkgtest.ubuntu.com/packages/n/nfs-utils/noble/amd64 https://autopkgtest.ubuntu.com/packages/n/nfs-utils/noble/arm64

[Kernel-packages] [Bug 2058477] Re: [Ubuntu 22.04.4/linux-image-6.5.0-26-generic] Kernel output "UBSAN: array-index-out-of-bounds in /build/linux-hwe-6.5-34pCLi/linux-hwe-6.5-6.5.0/drivers/net/hyperv/

2024-04-01 Thread GuoqingJiang
[Impact] error message "UBSAN: array-index-out-of-bounds in drivers/net/hyperv/netvsc.c:1446:41" appears multiple times during boot for a Hyper-V environment. [Fix] Clean cherry-pick commit bb9b0e46b84 for Focal, Jammy and Mantic. [Test case] check the dmesg to see if there is the error message

[Kernel-packages] [Bug 2050032] Re: mpt3sas causes kernel stack trace

2024-03-31 Thread GuoqingJiang
Maybe the series (https://lore.kernel.org/all/20230806170604.16143-2-ja...@equiv.tech/) is needed for linux-hwe-6.5. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-6.5 in Ubuntu. https://bugs.launchpad.net/bugs/2050032 Title:

[Kernel-packages] [Bug 2058477] Re: [Ubuntu 22.04.4/linux-image-6.5.0-26-generic] Kernel output "UBSAN: array-index-out-of-bounds in /build/linux-hwe-6.5-34pCLi/linux-hwe-6.5-6.5.0/drivers/net/hyperv/

2024-03-31 Thread GuoqingJiang
I think it was fixed by upstream commit bb9b0e46b84c ("hv: hyperv.h: Replace one-element array with flexible-array member"), need to double check. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.