[Kernel-packages] [Bug 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
This bug was fixed in the package linux - 4.15.0-115.116
---
linux (4.15.0-115.116) bionic; urgency=medium
* bionic/linux: 4.15.0-115.116 -proposed tracker (LP: #1893055)
* [Potential Regression] dscr_inherit_exec_test from powerpc in
ubuntu_kernel_selftests failed on B/E/F (LP: #1888332)
- powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()
linux (4.15.0-114.115) bionic; urgency=medium
* bionic/linux: 4.15.0-114.115 -proposed tracker (LP: #1891052)
* ipsec: policy priority management is broken (LP: #1890796)
- xfrm: policy: match with both mark and mask on user interfaces
linux (4.15.0-113.114) bionic; urgency=medium
* bionic/linux: 4.15.0-113.114 -proposed tracker (LP: #1890705)
* Packaging resync (LP: #1786013)
- update dkms package versions
* Reapply "usb: handle warm-reset port requests on hub resume" (LP: #1859873)
- usb: handle warm-reset port requests on hub resume
* Bionic update: upstream stable patchset 2020-07-29 (LP: #1889474)
- gpio: arizona: handle pm_runtime_get_sync failure case
- gpio: arizona: put pm_runtime in case of failure
- pinctrl: amd: fix npins for uart0 in kerncz_groups
- mac80211: allow rx of mesh eapol frames with default rx key
- scsi: scsi_transport_spi: Fix function pointer check
- xtensa: fix __sync_fetch_and_{and,or}_4 declarations
- xtensa: update *pos in cpuinfo_op.next
- drivers/net/wan/lapbether: Fixed the value of hard_header_len
- net: sky2: initialize return of gm_phy_read
- drm/nouveau/i2c/g94-: increase NV_PMGR_DP_AUXCTL_TRANSACTREQ timeout
- irqdomain/treewide: Keep firmware node unconditionally allocated
- SUNRPC reverting d03727b248d0 ("NFSv4 fix CLOSE not waiting for direct IO
compeletion")
- spi: spi-fsl-dspi: Exit the ISR with IRQ_NONE when it's not ours
- IB/umem: fix reference count leak in ib_umem_odp_get()
- uprobes: Change handle_swbp() to send SIGTRAP with si_code=SI_KERNEL, to
fix
GDB regression
- ALSA: info: Drop WARN_ON() from buffer NULL sanity check
- ASoC: rt5670: Correct RT5670_LDO_SEL_MASK
- btrfs: fix double free on ulist after backref resolution failure
- btrfs: fix mount failure caused by race with umount
- btrfs: fix page leaks after failure to lock page for delalloc
- bnxt_en: Fix race when modifying pause settings.
- hippi: Fix a size used in a 'pci_free_consistent()' in an error handling
path
- ax88172a: fix ax88172a_unbind() failures
- net: dp83640: fix SIOCSHWTSTAMP to update the struct with actual
configuration
- drm: sun4i: hdmi: Fix inverted HPD result
- net: smc91x: Fix possible memory leak in smc_drv_probe()
- bonding: check error value of register_netdevice() immediately
- mlxsw: destroy workqueue when trap_register in mlxsw_emad_init
- ipvs: fix the connection sync failed in some cases
- i2c: rcar: always clear ICSAR to avoid side effects
- bonding: check return value of register_netdevice() in bond_newlink()
- serial: exar: Fix GPIO configuration for Sealevel cards based on XR17V35X
- scripts/decode_stacktrace: strip basepath from all paths
- HID: i2c-hid: add Mediacom FlexBook edge13 to descriptor override
- HID: apple: Disable Fn-key key-re-mapping on clone keyboards
- dmaengine: tegra210-adma: Fix runtime PM imbalance on error
- Input: add `SW_MACHINE_COVER`
- spi: mediatek: use correct SPI_CFG2_REG MACRO
- regmap: dev_get_regmap_match(): fix string comparison
- hwmon: (aspeed-pwm-tacho) Avoid possible buffer overflow
- dmaengine: ioat setting ioat timeout as module parameter
- Input: synaptics - enable InterTouch for ThinkPad X1E 1st gen
- usb: gadget: udc: gr_udc: fix memleak on error handling path in
gr_ep_init()
- arm64: Use test_tsk_thread_flag() for checking TIF_SINGLESTEP
- x86: math-emu: Fix up 'cmp' insn for clang ias
- binder: Don't use mmput() from shrinker function.
- usb: xhci-mtk: fix the failure of bandwidth allocation
- usb: xhci: Fix ASM2142/ASM3142 DMA addressing
- Revert "cifs: Fix the target file was deleted when rename failed."
- staging: wlan-ng: properly check endpoint types
- staging: comedi: addi_apci_1032: check INSN_CONFIG_DIGITAL_TRIG shift
- staging: comedi: ni_6527: fix INSN_CONFIG_DIGITAL_TRIG support
- staging: comedi: addi_apci_1500: check INSN_CONFIG_DIGITAL_TRIG shift
- staging: comedi: addi_apci_1564: check INSN_CONFIG_DIGITAL_TRIG shift
- serial: 8250: fix null-ptr-deref in serial8250_start_tx()
- serial: 8250_mtk: Fix high-speed baud rates clamping
- fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins.
- vt: Reject zero-sized screen buffer size.
- Makefile: Fix GCC_TOOLCHAIN_DIR prefix for Clang cross compilation
- mm/memcg: fix refcount error while moving and swapping
- io-mapping: indicate mapping failure
- parisc: Add atomic64_set_release()
[Kernel-packages] [Bug 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
The customer that suffered the perceived regression enabled -proposed and installed the 4.15.0-113-generic kernel to their Bionic test machine. This test machine has had its non-spec complaint USB cable replaced with a fresh known good USB compliant cable. The 4.15.0-113-generic kernel performed as expected. There were no long delays on boot, and no messages in dmesg about warm resets or bad cables. >From our perspective, the reapplication of the commit looks good, and does not cause regressions in this environment. Marking as verified. ** Tags removed: verification-needed-bionic ** Tags added: verification-done-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/1859873 Title: Reapply "usb: handle warm-reset port requests on hub resume" Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: Won't Fix Bug description: BugLink: https://bugs.launchpad.net/bugs/1859873 [Impact] We wish to reapply "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a perceived regression it introduced (bug 1856608). Only one customer saw this regression, and only in very specific systems. We have now determined that the root cause of the regression was that the systems used defective USB cables, which had Tx and Rx lines mixed up. Signals were being sent down the wrong wires, placing the USB devices into a SS_INVALID link state, and this patch simply revealed the problems going on in the USB3 subsystem. USB3 devices never worked with these cables, but for some reason USB2 worked, which led to the long drawn out debugging timeframe. We have confirmation from device hardware teams that USB cables on affected systems have their Tx and Rx wires mixed up, and this has also been confirmed by the USB cable manufacturer that these cables are a bad batch. New USB cables fix the problem, and "usb: handle warm-reset port requests on hub resume" is safe to reapply. [Fix] We reapply upstream commit: commit 4fdc1790e6a9ef22399c6bc6e63b80f4609f3b7e Author: Jan-Marek Glogowski Date: Fri Feb 1 13:52:31 2019 +0100 Subject: usb: handle warm-reset port requests on hub resume To the Bionic and Eoan kernels. This commit fixes a real problem for users of a particular external hard disk, so it has value for Ubuntu users, and we do not want to diverge from upstream stable patches. [Testcase] For users with defective non-complaint USB cables: dmesg | grep "Cannot enable" For users with a particular USB-C external hard disk: The disk will work as expected when it is plugged in. [Regression Potential] If any users in the community happen to use USB cables with Tx and Rx lines mixed up, they may see messages like: "usb usb2-port2: Cannot enable. Maybe the USB cable is bad?" These users need to swap out their USB cables for a non-defective one. The commit landed in 5.1, and was backported to all stable kernels. As of 5.8-rc6, the commit is still in place, and has no fixup commits. I believe that re-introducing this commit will not cause any regressions for users with USB compliant hardware. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859873/+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 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
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! ** 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/1859873 Title: Reapply "usb: handle warm-reset port requests on hub resume" Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: Won't Fix Bug description: BugLink: https://bugs.launchpad.net/bugs/1859873 [Impact] We wish to reapply "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a perceived regression it introduced (bug 1856608). Only one customer saw this regression, and only in very specific systems. We have now determined that the root cause of the regression was that the systems used defective USB cables, which had Tx and Rx lines mixed up. Signals were being sent down the wrong wires, placing the USB devices into a SS_INVALID link state, and this patch simply revealed the problems going on in the USB3 subsystem. USB3 devices never worked with these cables, but for some reason USB2 worked, which led to the long drawn out debugging timeframe. We have confirmation from device hardware teams that USB cables on affected systems have their Tx and Rx wires mixed up, and this has also been confirmed by the USB cable manufacturer that these cables are a bad batch. New USB cables fix the problem, and "usb: handle warm-reset port requests on hub resume" is safe to reapply. [Fix] We reapply upstream commit: commit 4fdc1790e6a9ef22399c6bc6e63b80f4609f3b7e Author: Jan-Marek Glogowski Date: Fri Feb 1 13:52:31 2019 +0100 Subject: usb: handle warm-reset port requests on hub resume To the Bionic and Eoan kernels. This commit fixes a real problem for users of a particular external hard disk, so it has value for Ubuntu users, and we do not want to diverge from upstream stable patches. [Testcase] For users with defective non-complaint USB cables: dmesg | grep "Cannot enable" For users with a particular USB-C external hard disk: The disk will work as expected when it is plugged in. [Regression Potential] If any users in the community happen to use USB cables with Tx and Rx lines mixed up, they may see messages like: "usb usb2-port2: Cannot enable. Maybe the USB cable is bad?" These users need to swap out their USB cables for a non-defective one. The commit landed in 5.1, and was backported to all stable kernels. As of 5.8-rc6, the commit is still in place, and has no fixup commits. I believe that re-introducing this commit will not cause any regressions for users with USB compliant hardware. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859873/+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 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
** Changed in: linux (Ubuntu Bionic) 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/1859873 Title: Reapply "usb: handle warm-reset port requests on hub resume" Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: Won't Fix Bug description: BugLink: https://bugs.launchpad.net/bugs/1859873 [Impact] We wish to reapply "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a perceived regression it introduced (bug 1856608). Only one customer saw this regression, and only in very specific systems. We have now determined that the root cause of the regression was that the systems used defective USB cables, which had Tx and Rx lines mixed up. Signals were being sent down the wrong wires, placing the USB devices into a SS_INVALID link state, and this patch simply revealed the problems going on in the USB3 subsystem. USB3 devices never worked with these cables, but for some reason USB2 worked, which led to the long drawn out debugging timeframe. We have confirmation from device hardware teams that USB cables on affected systems have their Tx and Rx wires mixed up, and this has also been confirmed by the USB cable manufacturer that these cables are a bad batch. New USB cables fix the problem, and "usb: handle warm-reset port requests on hub resume" is safe to reapply. [Fix] We reapply upstream commit: commit 4fdc1790e6a9ef22399c6bc6e63b80f4609f3b7e Author: Jan-Marek Glogowski Date: Fri Feb 1 13:52:31 2019 +0100 Subject: usb: handle warm-reset port requests on hub resume To the Bionic and Eoan kernels. This commit fixes a real problem for users of a particular external hard disk, so it has value for Ubuntu users, and we do not want to diverge from upstream stable patches. [Testcase] For users with defective non-complaint USB cables: dmesg | grep "Cannot enable" For users with a particular USB-C external hard disk: The disk will work as expected when it is plugged in. [Regression Potential] If any users in the community happen to use USB cables with Tx and Rx lines mixed up, they may see messages like: "usb usb2-port2: Cannot enable. Maybe the USB cable is bad?" These users need to swap out their USB cables for a non-defective one. The commit landed in 5.1, and was backported to all stable kernels. As of 5.8-rc6, the commit is still in place, and has no fixup commits. I believe that re-introducing this commit will not cause any regressions for users with USB compliant hardware. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859873/+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 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
** Changed in: linux (Ubuntu Eoan) Status: In Progress => Won't Fix ** Changed in: linux (Ubuntu Eoan) Assignee: Matthew Ruffell (mruffell) => (unassigned) -- 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/1859873 Title: Reapply "usb: handle warm-reset port requests on hub resume" Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: In Progress Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: Won't Fix Bug description: BugLink: https://bugs.launchpad.net/bugs/1859873 [Impact] We wish to reapply "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a perceived regression it introduced (bug 1856608). Only one customer saw this regression, and only in very specific systems. We have now determined that the root cause of the regression was that the systems used defective USB cables, which had Tx and Rx lines mixed up. Signals were being sent down the wrong wires, placing the USB devices into a SS_INVALID link state, and this patch simply revealed the problems going on in the USB3 subsystem. USB3 devices never worked with these cables, but for some reason USB2 worked, which led to the long drawn out debugging timeframe. We have confirmation from device hardware teams that USB cables on affected systems have their Tx and Rx wires mixed up, and this has also been confirmed by the USB cable manufacturer that these cables are a bad batch. New USB cables fix the problem, and "usb: handle warm-reset port requests on hub resume" is safe to reapply. [Fix] We reapply upstream commit: commit 4fdc1790e6a9ef22399c6bc6e63b80f4609f3b7e Author: Jan-Marek Glogowski Date: Fri Feb 1 13:52:31 2019 +0100 Subject: usb: handle warm-reset port requests on hub resume To the Bionic and Eoan kernels. This commit fixes a real problem for users of a particular external hard disk, so it has value for Ubuntu users, and we do not want to diverge from upstream stable patches. [Testcase] For users with defective non-complaint USB cables: dmesg | grep "Cannot enable" For users with a particular USB-C external hard disk: The disk will work as expected when it is plugged in. [Regression Potential] If any users in the community happen to use USB cables with Tx and Rx lines mixed up, they may see messages like: "usb usb2-port2: Cannot enable. Maybe the USB cable is bad?" These users need to swap out their USB cables for a non-defective one. The commit landed in 5.1, and was backported to all stable kernels. As of 5.8-rc6, the commit is still in place, and has no fixup commits. I believe that re-introducing this commit will not cause any regressions for users with USB compliant hardware. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859873/+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 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Matthew Ruffell (mruffell) ** Changed in: linux (Ubuntu Eoan) Assignee: (unassigned) => Matthew Ruffell (mruffell) -- 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/1859873 Title: Reapply "usb: handle warm-reset port requests on hub resume" Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: In Progress Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: In Progress Bug description: BugLink: https://bugs.launchpad.net/bugs/1859873 [Impact] We wish to reapply "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a perceived regression it introduced (bug 1856608). Only one customer saw this regression, and only in very specific systems. We have now determined that the root cause of the regression was that the systems used defective USB cables, which had Tx and Rx lines mixed up. Signals were being sent down the wrong wires, placing the USB devices into a SS_INVALID link state, and this patch simply revealed the problems going on in the USB3 subsystem. USB3 devices never worked with these cables, but for some reason USB2 worked, which led to the long drawn out debugging timeframe. We have confirmation from device hardware teams that USB cables on affected systems have their Tx and Rx wires mixed up, and this has also been confirmed by the USB cable manufacturer that these cables are a bad batch. New USB cables fix the problem, and "usb: handle warm-reset port requests on hub resume" is safe to reapply. [Fix] We reapply upstream commit: commit 4fdc1790e6a9ef22399c6bc6e63b80f4609f3b7e Author: Jan-Marek Glogowski Date: Fri Feb 1 13:52:31 2019 +0100 Subject: usb: handle warm-reset port requests on hub resume To the Bionic and Eoan kernels. This commit fixes a real problem for users of a particular external hard disk, so it has value for Ubuntu users, and we do not want to diverge from upstream stable patches. [Testcase] For users with defective non-complaint USB cables: dmesg | grep "Cannot enable" For users with a particular USB-C external hard disk: The disk will work as expected when it is plugged in. [Regression Potential] If any users in the community happen to use USB cables with Tx and Rx lines mixed up, they may see messages like: "usb usb2-port2: Cannot enable. Maybe the USB cable is bad?" These users need to swap out their USB cables for a non-defective one. The commit landed in 5.1, and was backported to all stable kernels. As of 5.8-rc6, the commit is still in place, and has no fixup commits. I believe that re-introducing this commit will not cause any regressions for users with USB compliant hardware. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859873/+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 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
** Description changed: - This bug tracks the reapplication of "usb: handle warm-reset port - requests on hub resume". + [Impact] + + We wish to reapply "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from - the Ubuntu kernels due to a regression it introduced (bug 1856608). - However, that patch did fix an issue for a user, and reverting it - requires us to diverge from mainline. Once we understand and resolve the - regression, we should reapply it. + the Ubuntu kernels due to a perceived regression it introduced (bug + 1856608). + + Only one customer saw this regression, and only in very specific + systems. We have now determined that the root cause of the regression + was that the systems used defective USB cables, which had Tx and Rx + lines mixed up. + + Signals were being sent down the wrong wires, placing the USB devices + into a SS_INVALID link state, and this patch simply revealed the + problems going on in the USB3 subsystem. USB3 devices never worked with + these cables, but for some reason USB2 worked, which led to the long + drawn out debugging timeframe. + + We have confirmation from device hardware teams that USB cables on + affected systems have their Tx and Rx wires mixed up, and this has also + been confirmed by the USB cable manufacturer that these cables are a bad + batch. + + New USB cables fix the problem, and "usb: handle warm-reset port + requests on hub resume" is safe to reapply. + + [Fix] + + We reapply upstream commit: + + commit 4fdc1790e6a9ef22399c6bc6e63b80f4609f3b7e + Author: Jan-Marek Glogowski + Date: Fri Feb 1 13:52:31 2019 +0100 + Subject: usb: handle warm-reset port requests on hub resume + + To the Bionic and Eoan kernels. + + This commit fixes a real problem for users of a particular external hard + disk, so it has value for Ubuntu users, and we do not want to diverge + from upstream stable patches. + + [Testcase] + + For users with defective non-complaint USB cables: + + dmesg | grep "Cannot enable" + + For users with a particular USB-C external hard disk: + + The disk will work as expected when it is plugged in. + + [Regression Potential] + + If any users in the community happen to use USB cables with Tx and Rx + lines mixed up, they may see messages like: + + "usb usb2-port2: Cannot enable. Maybe the USB cable is bad?" + + These users need to swap out their USB cables for a non-defective one. + + The commit landed in 5.1, and was backported to all stable kernels. As + of 5.8-rc6, the commit is still in place, and has no fixup commits. I + believe that re-introducing this commit will not cause any regressions + for users with USB compliant hardware. ** Description changed: + BugLink: https://bugs.launchpad.net/bugs/1859873 + [Impact] We wish to reapply "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a perceived regression it introduced (bug 1856608). Only one customer saw this regression, and only in very specific systems. We have now determined that the root cause of the regression was that the systems used defective USB cables, which had Tx and Rx lines mixed up. Signals were being sent down the wrong wires, placing the USB devices into a SS_INVALID link state, and this patch simply revealed the problems going on in the USB3 subsystem. USB3 devices never worked with these cables, but for some reason USB2 worked, which led to the long drawn out debugging timeframe. We have confirmation from device hardware teams that USB cables on affected systems have their Tx and Rx wires mixed up, and this has also been confirmed by the USB cable manufacturer that these cables are a bad batch. New USB cables fix the problem, and "usb: handle warm-reset port requests on hub resume" is safe to reapply. [Fix] We reapply upstream commit: commit 4fdc1790e6a9ef22399c6bc6e63b80f4609f3b7e Author: Jan-Marek Glogowski Date: Fri Feb 1 13:52:31 2019 +0100 Subject: usb: handle warm-reset port requests on hub resume To the Bionic and Eoan kernels. This commit fixes a real problem for users of a particular external hard disk, so it has value for Ubuntu users, and we do not want to diverge from upstream stable patches. [Testcase] For users with defective non-complaint USB cables: dmesg | grep "Cannot enable" For users with a particular USB-C external hard disk: The disk will work as expected when it is plugged in. [Regression Potential] If any users in the community happen to use USB cables with Tx and Rx lines mixed up, they may see messages like: "usb usb2-port2: Cannot enable. Maybe the USB cable is bad?" These users need to swap out their USB cables for a non-defective one. The commit landed in 5.1, and was backported to all stable kernels. As
[Kernel-packages] [Bug 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
** No longer affects: linux (Ubuntu Focal) ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released ** Changed in: linux (Ubuntu Bionic) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Eoan) 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/1859873 Title: Reapply "usb: handle warm-reset port requests on hub resume" Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: In Progress Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: In Progress Bug description: This bug tracks the reapplication of "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a regression it introduced (bug 1856608). However, that patch did fix an issue for a user, and reverting it requires us to diverge from mainline. Once we understand and resolve the regression, we should reapply it. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859873/+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 1859873] Re: Reapply "usb: handle warm-reset port requests on hub resume"
** Changed in: linux (Ubuntu Disco) Status: Confirmed => 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/1859873 Title: Reapply "usb: handle warm-reset port requests on hub resume" Status in linux package in Ubuntu: Confirmed Status in linux source package in Bionic: Confirmed Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: Confirmed Status in linux source package in Focal: Confirmed Bug description: This bug tracks the reapplication of "usb: handle warm-reset port requests on hub resume". We reverted "usb: handle warm-reset port requests on hub resume" from the Ubuntu kernels due to a regression it introduced (bug 1856608). However, that patch did fix an issue for a user, and reverting it requires us to diverge from mainline. Once we understand and resolve the regression, we should reapply it. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859873/+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
