This bug is awaiting verification that the linux-
nvidia-6.5/6.5.0-1014.14 kernel in -proposed solves the problem. Please
test the kernel and update this bug with the results. If the problem is
solved, change the tag 'verification-needed-jammy-linux-nvidia-6.5' to
'verification-done-jammy-linux-nvidia-6.5'. If the problem still exists,
change the tag 'verification-needed-jammy-linux-nvidia-6.5' to
'verification-failed-jammy-linux-nvidia-6.5'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-jammy-linux-nvidia-6.5-v2 
verification-needed-jammy-linux-nvidia-6.5

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-nvidia-6.5 in Ubuntu.
https://bugs.launchpad.net/bugs/2055060

Title:
  Pull-request: Apply mm/mglru patches to fix soft lockup

Status in linux-nvidia-6.5 package in Ubuntu:
  New

Bug description:
  [ 1918.995157] watchdog: BUG: soft lockup - CPU#0 stuck for 1725s! 
[kswapd0:42]
  [ 1919.002366] Modules linked in: raid10 raid456 libcrc32c async_raid6_recov 
async_memcpy async_pq async_xor xor xor_neon async_tx raid6_pq raid1 raid0 
multipath linear scsi_dh_alua scsi_dh_emc scsi_dh_rdac nvme nvme_core 
nvme_common
  [ 1919.023319] CPU: 0 PID: 42 Comm: kswapd0 Tainted: G             L     
6.5.0-1011-nvidia #11-Ubuntu
  [ 1919.032483] Hardware name: NVIDIA Grace Hopper x4 P4496/UT2.1 DP Chassis, 
BIOS         01.02.00 20240120
  [ 1919.042180] pstate: 83400009 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
  [ 1919.049300] pc : __rcu_read_unlock+0x10/0x70
  [ 1919.053666] lr : shrink_many+0x280/0x468
  [ 1919.057675] sp : ffff80008149bb70
  [ 1919.061060] x29: ffff80008149bb70 x28: ffff00003ddfa600 x27: 
ffffdeee387571e0
  [ 1919.068366] x26: ffffdeee383154f8 x25: 0000000000000001 x24: 
ffff301c90bf4400
  [ 1919.075671] x23: ffffffffffffffff x22: 0000000000000000 x21: 
ffff301c90bf4400
  [ 1919.082975] x20: 00000000000002d3 x19: ffff80008149bd68 x18: 
0000000000000000
  [ 1919.090281] x17: 0000000000000000 x16: 0000000000000000 x15: 
0000000000000000
  [ 1919.097585] x14: 0000000000000000 x13: 0000000000000000 x12: 
0000000000000000
  [ 1919.104890] x11: 0000000000000000 x10: 0000000000000000 x9 : 
ffffdeee355c2008
  [ 1919.112195] x8 : ffff80008149bde0 x7 : 0000000000000000 x6 : 
0000000000000020
  [ 1919.119500] x5 : 0000000000000001 x4 : 0000000000000000 x3 : 
0000000000000000
  [ 1919.126804] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 
ffff301c90bf4400
  [ 1919.134109] Call trace:
  [ 1919.136606]  __rcu_read_unlock+0x10/0x70
  [ 1919.140615]  lru_gen_shrink_node+0x180/0x218
  [ 1919.144979]  shrink_node+0x400/0x470
  [ 1919.148633]  balance_pgdat+0x2c8/0x810
  [ 1919.152464]  kswapd+0x12c/0x268
  [ 1919.155672]  kthread+0x104/0x110
  [ 1919.158970]  ret_from_fork+0x10/0x20
  [ 1942.995157] watchdog: BUG: soft lockup - CPU#0 stuck for 1747s! 
[kswapd0:42]
  [ 1943.002366] Modules linked in: raid10 raid456 libcrc32c async_raid6_recov 
async_memcpy async_pq async_xor xor xor_neon async_tx raid6_pq raid1 raid0 
multipath linear scsi_dh_alua scsi_dh_emc scsi_dh_rdac nvme nvme_core 
nvme_common
  [ 1943.023319] CPU: 0 PID: 42 Comm: kswapd0 Tainted: G             L     
6.5.0-1011-nvidia #11-Ubuntu
  [ 1943.032483] Hardware name: NVIDIA Grace Hopper x4 P4496/UT2.1 DP Chassis, 
BIOS         01.02.00 20240120
  [ 1943.042180] pstate: 63400009 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
  [ 1943.049300] pc : lru_gen_shrink_node+0x60/0x218
  [ 1943.053932] lr : lru_gen_shrink_node+0x1b8/0x218
  [ 1943.058651] sp : ffff80008149bbf0
  [ 1943.062037] x29: ffff80008149bbf0 x28: ffff00003ddfa600 x27: 
ffffdeee387571e0
  [ 1943.069342] x26: ffffdeee383154f8 x25: ffff80008149bde0 x24: 
00000000000007c0
  [ 1943.076647] x23: 0000000000000001 x22: 0000000000000000 x21: 
ffff00003ddfe600
  [ 1943.083952] x20: ffff00003ddfa600 x19: ffff80008149bd68 x18: 
0000000000000000
  [ 1943.091257] x17: 0000000000000000 x16: 0000000000000000 x15: 
0000000000000000
  [ 1943.098562] x14: 0000000000000000 x13: 0000000000000000 x12: 
0000000000000000
  [ 1943.105867] x11: 0000000000000000 x10: 0000000000000000 x9 : 
ffffdeee359e4bb8
  [ 1943.113172] x8 : ffff80008149bde0 x7 : 0000000000000000 x6 : 
0000000000000000
  [ 1943.120477] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 
0000000000000000
  [ 1943.127782] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
ffff301c90bf4400
  [ 1943.135086] Call trace:
  [ 1943.137583]  lru_gen_shrink_node+0x60/0x218
  [ 1943.141858]  shrink_node+0x400/0x470
  [ 1943.145511]  balance_pgdat+0x2c8/0x810
  [ 1943.149342]  kswapd+0x12c/0x268
  [ 1943.152551]  kthread+0x104/0x110
  [ 1943.155849]  ret_from_fork+0x10/0x20

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