[Bug 1928394] Re: CONFIG_LATENCYTOP should be disabled

2021-06-03 Thread Launchpad Bug Tracker 
This bug was fixed in the package linux-raspi2 - 4.15.0-1086.91

---
linux-raspi2 (4.15.0-1086.91) bionic; urgency=medium

  * bionic/linux-raspi2: 4.15.0-1086.91 -proposed tracker (LP: #1927644)

  * CONFIG_LATENCYTOP should be disabled (LP: #1928394)
- [Config] raspi2: CONFIG_LATENCYTOP=n

  [ Ubuntu: 4.15.0-144.148 ]

  * bionic/linux: 4.15.0-144.148 -proposed tracker (LP: #1927648)
  * Introduce the 465 driver series, fabric-manager, and libnvidia-nscq
(LP: #1925522)
- debian/dkms-versions -- add NVIDIA 465 and migrate 450 to 460
  * xfrm_policy.sh / pmtu.sh / udpgso_bench.sh from net in
ubuntu_kernel_selftests will fail if running the whole suite (LP: #1856010)
- selftests/net: bump timeout to 5 minutes
  * locking/qrwlock: Fix ordering in queued_write_lock_slowpath() (LP: #1926184)
- locking/barriers: Introduce smp_cond_load_relaxed() and
  atomic_cond_read_relaxed()
- locking/qrwlock: Fix ordering in queued_write_lock_slowpath()
  * Bionic update: upstream stable patchset 2021-04-30 (LP: #1926808)
- net: fec: ptp: avoid register access when ipg clock is disabled
- powerpc/4xx: Fix build errors from mfdcr()
- atm: eni: dont release is never initialized
- atm: lanai: dont run lanai_dev_close if not open
- Revert "r8152: adjust the settings about MAC clock speed down for RTL8153"
- ixgbe: Fix memleak in ixgbe_configure_clsu32
- net: tehuti: fix error return code in bdx_probe()
- sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
- gpiolib: acpi: Add missing IRQF_ONESHOT
- nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default
- NFS: Correct size calculation for create reply length
- net: hisilicon: hns: fix error return code of hns_nic_clear_all_rx_fetch()
- net: wan: fix error return code of uhdlc_init()
- atm: uPD98402: fix incorrect allocation
- atm: idt77252: fix null-ptr-dereference
- sparc64: Fix opcode filtering in handling of no fault loads
- u64_stats,lockdep: Fix u64_stats_init() vs lockdep
- drm/radeon: fix AGP dependency
- nfs: we don't support removing system.nfs4_acl
- ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls
- ia64: fix ptrace(PTRACE_SYSCALL_INFO_EXIT) sign
- squashfs: fix inode lookup sanity checks
- squashfs: fix xattr id and id lookup sanity checks
- arm64: dts: ls1046a: mark crypto engine dma coherent
- arm64: dts: ls1012a: mark crypto engine dma coherent
- arm64: dts: ls1043a: mark crypto engine dma coherent
- ARM: dts: at91-sama5d27_som1: fix phy address to 7
- dm ioctl: fix out of bounds array access when no devices
- bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD
- libbpf: Fix INSTALL flag order
- macvlan: macvlan_count_rx() needs to be aware of preemption
- net: dsa: bcm_sf2: Qualify phydev->dev_flags based on port
- e1000e: add rtnl_lock() to e1000_reset_task
- e1000e: Fix error handling in e1000_set_d0_lplu_state_82571
- net/qlcnic: Fix a use after free in qlcnic_83xx_get_minidump_template
- ftgmac100: Restart MAC HW once
- can: peak_usb: add forgotten supported devices
- can: c_can_pci: c_can_pci_remove(): fix use-after-free
- can: c_can: move runtime PM enable/disable to c_can_platform
- can: m_can: m_can_do_rx_poll(): fix extraneous msg loss warning
- mac80211: fix rate mask reset
- net: cdc-phonet: fix data-interface release on probe failure
- net: stmmac: dwmac-sun8i: Provide TX and RX fifo sizes
- drm/msm: fix shutdown hook in case GPU components failed to bind
- arm64: kdump: update ppos when reading elfcorehdr
- net/mlx5e: Fix error path for ethtool set-priv-flag
- RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening
  server
- ACPI: scan: Rearrange memory allocation in acpi_device_add()
- ACPI: scan: Use unique number for instance_no
- perf auxtrace: Fix auxtrace queue conflict
- scsi: qedi: Fix error return code of qedi_alloc_global_queues()
- scsi: mpt3sas: Fix error return code of mpt3sas_base_attach()
- locking/mutex: Fix non debug version of mutex_lock_io_nested()
- can: dev: Move device back to init netns on owning netns delete
- net: sched: validate stab values
- net: qrtr: fix a kernel-infoleak in qrtr_recvmsg()
- mac80211: fix double free in ibss_leave
- ext4: add reclaim checks to xattr code
- can: peak_usb: Revert "can: peak_usb: add forgotten supported devices"
- block: Suppress uevent for hidden device when removed
- netsec: restore phy power state after controller reset
- can: flexcan: flexcan_chip_freeze(): fix chip freeze for missing bitrate
- dm verity: add root hash pkcs#7 signature verification
- x86/mem_encrypt: Correct physical address calculation in 
__set_clr_pte_enc()
- selinux: vsock: Set SID for socket returned by accept()
- ipv6: weaken the v4mapped source check
- ext4: fix bh ref count on error

[Bug 1928394] Re: CONFIG_LATENCYTOP should be disabled

2021-05-19 Thread Kelsey Skunberg 
** Changed in: linux-raspi2 (Ubuntu Bionic)
   Status: In Progress => Fix Committed

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Title:
  CONFIG_LATENCYTOP should be disabled

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[Bug 1928394] Re: CONFIG_LATENCYTOP should be disabled

2021-05-14 Thread Tim Gardner 
** Also affects: linux-raspi2 (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux-raspi2 (Ubuntu Bionic)
   Status: New => In Progress

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Title:
  CONFIG_LATENCYTOP should be disabled

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[Bug 1928394] Re: CONFIG_LATENCYTOP should be disabled

2021-05-13 Thread Tim Gardner 
** Description changed:

+ SRU Justification
+ 
+ [Impact]
+ 
  There were some recent changes on the main kernels to fix some syntax
  issues with the annotations files (Propagate "Update annotations and fix
  errors" to all derivatives), after I replicated the changes from
  bionic/linux to bionic/linux-raspi2 I started getting this enforcement
  error:
  
  check-config: FAIL (y != n): CONFIG_LATENCYTOP policy<{'amd64-generic': 'n', 
'amd64-lowlatency': 'y', 'arm64': 'n', 'armhf': 'n', 'i386': 'n', 'ppc64el': 
'n', 's390x': 'n'}> mark 
note
  It seems we were supposed to have the same enforcement as the main kernel (= 
n) but the raspi2 config has it actually enabled.
  
  Looking at the url and the bug reference on the enforcement notes, it
  seems it doesn't make much sense to keep it enabled for non-lowlatency
  kernels.
  
  @juerghaefliger confirmed we should disable this option:
  
  Yes, it should be disabled. I did the same for hirsute earlier this year 
after Seth fixed the master config annotations:
  ~ubuntu-kernel/ubuntu/+source/linux-raspi/+git/hirsute - [no description]
  
  If I remember correctly I made some other config changes due to Seth's
  changes.
+ 
+ [Test Plan]
+ 
+ Install latencytop, try to run the tool.
+ 
+ [Where problems could occur]
+ 
+ Disabling this config removes information that userspace might depend
+ on.

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Tags added: bot-stop-nagging

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Title:
  CONFIG_LATENCYTOP should be disabled

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