[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Released Status in linux source package in Cosmic: Fix Released Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
This bug was fixed in the package linux - 4.18.0-14.15 --- linux (4.18.0-14.15) cosmic; urgency=medium * linux: 4.18.0-14.15 -proposed tracker (LP: #1811406) * CPU hard lockup with rigorous writes to NVMe drive (LP: #1810998) - blk-wbt: Avoid lock contention and thundering herd issue in wbt_wait - blk-wbt: move disable check into get_limit() - blk-wbt: use wq_has_sleeper() for wq active check - blk-wbt: fix has-sleeper queueing check - blk-wbt: abstract out end IO completion handler - blk-wbt: improve waking of tasks * To reduce the Realtek USB cardreader power consumption (LP: #1811337) - mmc: core: Introduce MMC_CAP_SYNC_RUNTIME_PM - mmc: rtsx_usb_sdmmc: Don't runtime resume the device while changing led - mmc: rtsx_usb_sdmmc: Re-work runtime PM support - mmc: rtsx_usb_sdmmc: Re-work card detection/removal support - memstick: rtsx_usb_ms: Add missing pm_runtime_disable() in probe function - misc: rtsx_usb: Use USB remote wakeup signaling for card insertion detection - memstick: Prevent memstick host from getting runtime suspended during card detection - memstick: rtsx_usb_ms: Use ms_dev() helper - memstick: rtsx_usb_ms: Support runtime power management * Support non-strict iommu mode on arm64 (LP: #1806488) - iommu/io-pgtable-arm: Fix race handling in split_blk_unmap() - iommu/arm-smmu-v3: Implement flush_iotlb_all hook - iommu/dma: Add support for non-strict mode - iommu: Add "iommu.strict" command line option - iommu/io-pgtable-arm: Add support for non-strict mode - iommu/arm-smmu-v3: Add support for non-strict mode - iommu/io-pgtable-arm-v7s: Add support for non-strict mode - iommu/arm-smmu: Support non-strict mode * [Regression] crashkernel fails on HiSilicon D05 (LP: #1806766) - efi: honour memory reservations passed via a linux specific config table - efi/arm: libstub: add a root memreserve config table - efi: add API to reserve memory persistently across kexec reboot - irqchip/gic-v3-its: Change initialization ordering for LPIs - irqchip/gic-v3-its: Simplify LPI_PENDBASE_SZ usage - irqchip/gic-v3-its: Split property table clearing from allocation - irqchip/gic-v3-its: Move pending table allocation to init time - irqchip/gic-v3-its: Keep track of property table's PA and VA - irqchip/gic-v3-its: Allow use of pre-programmed LPI tables - irqchip/gic-v3-its: Use pre-programmed redistributor tables with kdump kernels - irqchip/gic-v3-its: Check that all RDs have the same property table - irqchip/gic-v3-its: Register LPI tables with EFI config table - irqchip/gic-v3-its: Allow use of LPI tables in reserved memory - arm64: memblock: don't permit memblock resizing until linear mapping is up - efi/arm: Defer persistent reservations until after paging_init() - efi: Permit calling efi_mem_reserve_persistent() from atomic context - efi: Prevent GICv3 WARN() by mapping the memreserve table before first use * ELAN900C:00 04F3:2844 touchscreen doesn't work (LP: #1811335) - pinctrl: cannonlake: Fix community ordering for H variant - pinctrl: cannonlake: Fix HOSTSW_OWN register offset of H variant * Add Cavium ThunderX2 SoC UNCORE PMU driver (LP: #1811200) - Documentation: perf: Add documentation for ThunderX2 PMU uncore driver - drivers/perf: Add Cavium ThunderX2 SoC UNCORE PMU driver - [Config] New config CONFIG_THUNDERX2_PMU=m * iptables connlimit allows more connections than the limit when using multiple CPUs (LP: #1811094) - netfilter: nf_conncount: don't skip eviction when age is negative * CVE-2018-16882 - KVM: Fix UAF in nested posted interrupt processing * Cannot initialize ATA disk if IDENTIFY command fails (LP: #1809046) - scsi: libsas: check the ata device status by ata_dev_enabled() * scsi: libsas: fix a race condition when smp task timeout (LP: #1808912) - scsi: libsas: fix a race condition when smp task timeout * CVE-2018-14625 - vhost/vsock: fix use-after-free in network stack callers * Fix and issue that LG I2C touchscreen stops working after reboot (LP: #1805085) - HID: i2c-hid: Disable runtime PM for LG touchscreen * Drivers: hv: vmbus: Offload the handling of channels to two workqueues (LP: #1807757) - Drivers: hv: vmbus: check the creation_status in vmbus_establish_gpadl() - Drivers: hv: vmbus: Offload the handling of channels to two workqueues * Disable LPM for Raydium Touchscreens (LP: #1802248) - USB: quirks: Add no-lpm quirk for Raydium touchscreens * Power leakage at S5 with Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter (LP: #1805607) - SAUCE: ath10k: provide reset function for QCA9377 chip * CVE-2018-19407 - KVM: X86: Fix scan ioapic use-before-initialization * Fix USB2 device wrongly detected as USB1 (LP: #1806534) - xhci: Add quirk to workaround the
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
This bug was fixed in the package linux - 4.15.0-44.47
---
linux (4.15.0-44.47) bionic; urgency=medium
* linux: 4.15.0-44.47 -proposed tracker (LP: #1811419)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* CPU hard lockup with rigorous writes to NVMe drive (LP: #1810998)
- blk-wbt: pass in enum wbt_flags to get_rq_wait()
- blk-wbt: Avoid lock contention and thundering herd issue in wbt_wait
- blk-wbt: move disable check into get_limit()
- blk-wbt: use wq_has_sleeper() for wq active check
- blk-wbt: fix has-sleeper queueing check
- blk-wbt: abstract out end IO completion handler
- blk-wbt: improve waking of tasks
* To reduce the Realtek USB cardreader power consumption (LP: #1811337)
- mmc: sdhci: Disable 1.8v modes (HS200/HS400/UHS) if controller can't
support
1.8v
- mmc: core: Introduce MMC_CAP_SYNC_RUNTIME_PM
- mmc: rtsx_usb_sdmmc: Don't runtime resume the device while changing led
- mmc: rtsx_usb: Use MMC_CAP2_NO_SDIO
- mmc: rtsx_usb: Enable MMC_CAP_ERASE to allow erase/discard/trim requests
- mmc: rtsx_usb_sdmmc: Re-work runtime PM support
- mmc: rtsx_usb_sdmmc: Re-work card detection/removal support
- memstick: rtsx_usb_ms: Add missing pm_runtime_disable() in probe function
- misc: rtsx_usb: Use USB remote wakeup signaling for card insertion
detection
- memstick: Prevent memstick host from getting runtime suspended during card
detection
- memstick: rtsx_usb_ms: Use ms_dev() helper
- memstick: rtsx_usb_ms: Support runtime power management
* Support non-strict iommu mode on arm64 (LP: #1806488)
- iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
- iommu/arm-smmu-v3: Implement flush_iotlb_all hook
- iommu/dma: Add support for non-strict mode
- iommu: Add "iommu.strict" command line option
- iommu/io-pgtable-arm: Add support for non-strict mode
- iommu/arm-smmu-v3: Add support for non-strict mode
- iommu/io-pgtable-arm-v7s: Add support for non-strict mode
- iommu/arm-smmu: Support non-strict mode
* ELAN900C:00 04F3:2844 touchscreen doesn't work (LP: #1811335)
- pinctrl: cannonlake: Fix community ordering for H variant
- pinctrl: cannonlake: Fix HOSTSW_OWN register offset of H variant
* Add Cavium ThunderX2 SoC UNCORE PMU driver (LP: #1811200)
- perf: Export perf_event_update_userpage
- Documentation: perf: Add documentation for ThunderX2 PMU uncore driver
- drivers/perf: Add Cavium ThunderX2 SoC UNCORE PMU driver
- [Config] New config CONFIG_THUNDERX2_PMU=m
* Update hisilicon SoC-specific drivers (LP: #1810457)
- SAUCE: Revert "net: hns3: Updates RX packet info fetch in case of multi
BD"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: separate roce from nic when
resetting"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: Use roce handle when calling
roce
callback function"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: Add calling roce callback
function when link status change"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: optimize the process of
notifying
roce client"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: Add pf reset for hip08 RoCE"
- scsi: hisi_sas: Remove depends on HAS_DMA in case of platform dependency
- ethernet: hisilicon: hns: hns_dsaf_mac: Use generic eth_broadcast_addr
- scsi: hisi_sas: consolidate command check in hisi_sas_get_ata_protocol()
- scsi: hisi_sas: remove some unneeded structure members
- scsi: hisi_sas: Introduce hisi_sas_phy_set_linkrate()
- net: hns: Fix the process of adding broadcast addresses to tcam
- net: hns3: remove redundant variable 'protocol'
- scsi: hisi_sas: Drop hisi_sas_slot_abort()
- net: hns: Make many functions static
- net: hns: make hns_dsaf_roce_reset non static
- net: hisilicon: hns: Replace mdelay() with msleep()
- net: hns3: fix return value error while hclge_cmd_csq_clean failed
- net: hns: remove redundant variables 'max_frm' and 'tmp_mac_key'
- net: hns: Mark expected switch fall-through
- net: hns3: Mark expected switch fall-through
- net: hns3: Remove tx ring BD len register in hns3_enet
- net: hns: modify variable type in hns_nic_reuse_page
- net: hns: use eth_get_headlen interface instead of hns_nic_get_headlen
- net: hns3: modify variable type in hns3_nic_reuse_page
- net: hns3: Fix for vf vlan delete failed problem
- net: hns3: Fix for multicast failure
- net: hns3: Fix error of checking used vlan id
- net: hns3: Implement shutdown ops in hns3 pci driver
- net: hns3: Fix for loopback selftest failed problem
- net: hns3: Fix ping exited problem when doing lp selftest
- net: hns3: Preserve vlan 0 in hardware table
- net: hns3: Only update mac configuation when necessary
- net: hns3: Change the dst mac addr of loopback packet
- net: hns3: Remove redundant codes of query
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
The -proposed kernel has verified on x86. ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic ** Tags removed: verification-needed-cosmic ** Tags added: verification-done-cosmic -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
This bug is awaiting verification that the 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- bionic' to 'verification-done-bionic'. If the problem still exists, change the tag 'verification-needed-bionic' to 'verification-failed- bionic'. 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! -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
This bug is awaiting verification that the 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- cosmic' to 'verification-done-cosmic'. If the problem still exists, change the tag 'verification-needed-cosmic' to 'verification-failed- cosmic'. 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: verification-needed-cosmic ** Tags added: verification-needed-bionic -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
** Changed in: linux (Ubuntu Bionic) Status: New => Fix Committed ** Changed in: linux (Ubuntu Cosmic) Status: New => Fix Committed -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Cosmic) Importance: Undecided Status: New -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: New Status in linux source package in Cosmic: New Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: In Progress Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1808097] Re: Console got stuck using serial tty after logout
** Description changed: [Impact] - The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. + The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] - The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit link is provided by + The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. -- 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/1808097 Title: Console got stuck using serial tty after logout Status in linux package in Ubuntu: Confirmed Bug description: [Impact] The agetty stopped working using serial tty when user logged out, especially if there is a remained process. The agetty failed to open tty device due to serial port used by previous process was not released. [Test Case] 1. Run background processes from serial console $ while true; do sleep 10; done & 2. Log out $ logout 3. Read journal log by journalctl | tail Jan 28 16:07:01 ubuntu systemd[1]: Stopped Serial Getty on ttyAMA0. Jan 28 16:07:01 ubuntu systemd[1]: Started Serial Getty on ttyAMA0. Jan 28 16:07:02 ubuntu agetty[1643]: /dev/ttyAMA0: not a tty [Fix] The upstream has a fix since 4.20-rc6, which turns off TTY_IO_ERROR flag if port comes from console. The commit is cherry-picked by https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/tty/tty_port.c?h=v4.20-rc6=2a48602615e0a2f563549c7d5c8d507f904cf96e [Regression Potential] Should be none, and it's regression becoz 4.4 kernel didn't have this case. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808097/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
