[Kernel-packages] [Bug 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released ** Changed in: linux (Ubuntu Bionic) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem in Ubuntu. https://bugs.launchpad.net/bugs/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: Fix Released Status in linux package in Ubuntu: Fix Released Status in linux-oem package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Released Status in linux-oem source package in Bionic: Fix Released Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
** Changed in: hwe-next Status: New => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem in Ubuntu. https://bugs.launchpad.net/bugs/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: Fix Released Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Committed Status in linux-oem source package in Bionic: Fix Released Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
** 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-oem in Ubuntu. https://bugs.launchpad.net/bugs/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Committed Status in linux-oem source package in Bionic: Fix Released Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
** 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-oem in Ubuntu. https://bugs.launchpad.net/bugs/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Committed Status in linux-oem source package in Bionic: Fix Released Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
This bug was fixed in the package linux-oem - 4.15.0-1030.35 --- linux-oem (4.15.0-1030.35) bionic; urgency=medium * linux-oem: 4.15.0-1030.35 -proposed tracker (LP: #1806663) * Add HMS CAN driver for Dell Edge Gateways (LP: #1807339) - SAUCE: (no-up) add IXXAT USB-to-CAN driver * Add support for 0cf3:535b QCA_ROME device (LP: #1807333) - Bluetooth: btusb: Add support for 0cf3:535b QCA_ROME device * Add support for Dell DW5821e WWAN/GPS module (LP: #1807342) - qmi_wwan: add support for the Dell Wireless 5821e module - qmi_wwan: fix interface number for DW5821e production firmware - USB: option: add support for DW5821e * Fix Terminus USB hub that may breaks connected USB devices after S3 (LP: #1806850) - USB: Wait for extra delay time after USB_PORT_FEAT_RESET for quirky hub * The line-out on the Dell Dock station can't work (LP: #1806532) - ALSA: usb-audio: Allow to override the longname string - ALSA: usb-audio: Give proper vendor/product name for Dell WD15 Dock - ALSA: usb-audio: Add vendor and product name for Dell WD19 Dock * Enable new Realtek card reader (LP: #1806335) - USB: usb-storage: Add new IDs to ums-realtek - SAUCE: (noup) USB: usb-storage: Make MMC support optional on ums-realtek [ Ubuntu: 4.15.0-43.46 ] * linux: 4.15.0-43.46 -proposed tracker (LP: #1806659) * System randomly hangs during suspend when mei_wdt is loaded (LP: #1803942) - SAUCE: base/dd: limit release function changes to vfio driver only * Workaround CSS timeout on AMD SNPS 3.0 xHC (LP: #1806838) - xhci: Allow more than 32 quirks - xhci: workaround CSS timeout on AMD SNPS 3.0 xHC * linux-buildinfo: pull out ABI information into its own package (LP: #1806380) - [Packaging] limit preparation to linux-libc-dev in headers - [Packaging] commonise debhelper invocation - [Packaging] ABI -- accumulate abi information at the end of the build - [Packaging] buildinfo -- add basic build information - [Packaging] buildinfo -- add firmware information to the flavour ABI - [Packaging] buildinfo -- add compiler information to the flavour ABI - [Packaging] buildinfo -- add buildinfo support to getabis - [Config] buildinfo -- add retpoline version markers * linux packages should own /usr/lib/linux/triggers (LP: #1770256) - [Packaging] own /usr/lib/linux/triggers * CVE-2018-12896 - posix-timers: Sanitize overrun handling * CVE-2018-16276 - USB: yurex: fix out-of-bounds uaccess in read handler * CVE-2018-10902 - ALSA: rawmidi: Change resized buffers atomically * CVE-2018-18710 - cdrom: fix improper type cast, which can leat to information leak. * CVE-2018-18690 - xfs: don't fail when converting shortform attr to long form during ATTR_REPLACE * CVE-2018-14734 - infiniband: fix a possible use-after-free bug * CVE-2018-18445 - bpf: 32-bit RSH verification must truncate input before the ALU op * Packaging resync (LP: #1786013) - [Packaging] update helper scripts -- Chia-Lin Kao (AceLan) Sat, 08 Dec 2018 11:02:54 +0800 ** Changed in: linux-oem (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem in Ubuntu. https://bugs.launchpad.net/bugs/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: Fix Released Status in linux source package in Bionic: In Progress Status in linux-oem source package in Bionic: Fix Released Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
This bug was fixed in the package linux-oem - 4.15.0-1030.35 --- linux-oem (4.15.0-1030.35) bionic; urgency=medium * linux-oem: 4.15.0-1030.35 -proposed tracker (LP: #1806663) * Add HMS CAN driver for Dell Edge Gateways (LP: #1807339) - SAUCE: (no-up) add IXXAT USB-to-CAN driver * Add support for 0cf3:535b QCA_ROME device (LP: #1807333) - Bluetooth: btusb: Add support for 0cf3:535b QCA_ROME device * Add support for Dell DW5821e WWAN/GPS module (LP: #1807342) - qmi_wwan: add support for the Dell Wireless 5821e module - qmi_wwan: fix interface number for DW5821e production firmware - USB: option: add support for DW5821e * Fix Terminus USB hub that may breaks connected USB devices after S3 (LP: #1806850) - USB: Wait for extra delay time after USB_PORT_FEAT_RESET for quirky hub * The line-out on the Dell Dock station can't work (LP: #1806532) - ALSA: usb-audio: Allow to override the longname string - ALSA: usb-audio: Give proper vendor/product name for Dell WD15 Dock - ALSA: usb-audio: Add vendor and product name for Dell WD19 Dock * Enable new Realtek card reader (LP: #1806335) - USB: usb-storage: Add new IDs to ums-realtek - SAUCE: (noup) USB: usb-storage: Make MMC support optional on ums-realtek [ Ubuntu: 4.15.0-43.46 ] * linux: 4.15.0-43.46 -proposed tracker (LP: #1806659) * System randomly hangs during suspend when mei_wdt is loaded (LP: #1803942) - SAUCE: base/dd: limit release function changes to vfio driver only * Workaround CSS timeout on AMD SNPS 3.0 xHC (LP: #1806838) - xhci: Allow more than 32 quirks - xhci: workaround CSS timeout on AMD SNPS 3.0 xHC * linux-buildinfo: pull out ABI information into its own package (LP: #1806380) - [Packaging] limit preparation to linux-libc-dev in headers - [Packaging] commonise debhelper invocation - [Packaging] ABI -- accumulate abi information at the end of the build - [Packaging] buildinfo -- add basic build information - [Packaging] buildinfo -- add firmware information to the flavour ABI - [Packaging] buildinfo -- add compiler information to the flavour ABI - [Packaging] buildinfo -- add buildinfo support to getabis - [Config] buildinfo -- add retpoline version markers * linux packages should own /usr/lib/linux/triggers (LP: #1770256) - [Packaging] own /usr/lib/linux/triggers * CVE-2018-12896 - posix-timers: Sanitize overrun handling * CVE-2018-16276 - USB: yurex: fix out-of-bounds uaccess in read handler * CVE-2018-10902 - ALSA: rawmidi: Change resized buffers atomically * CVE-2018-18710 - cdrom: fix improper type cast, which can leat to information leak. * CVE-2018-18690 - xfs: don't fail when converting shortform attr to long form during ATTR_REPLACE * CVE-2018-14734 - infiniband: fix a possible use-after-free bug * CVE-2018-18445 - bpf: 32-bit RSH verification must truncate input before the ALU op * Packaging resync (LP: #1786013) - [Packaging] update helper scripts -- Chia-Lin Kao (AceLan) Sat, 08 Dec 2018 11:02:54 +0800 ** Changed in: linux-oem (Ubuntu Bionic) Status: Fix Committed => Fix Released ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-10902 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-12896 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-14734 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-16276 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-18445 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-18690 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-18710 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem in Ubuntu. https://bugs.launchpad.net/bugs/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: New Status in linux source package in Bionic: In Progress Status in linux-oem source package in Bionic: Fix Released Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
There is a new kernel just uploaded, Ubuntu-4.15.0-43.46 but it looks like kernel team miss this patch. According to the schedule[1], the next kernel in -proposed would be at Jan. 21st 2019 BTW, the above comment #3 is for oem kernel 4.15.0-1029. 1. http://kernel.ubuntu.com/ ** Also affects: linux-oem (Ubuntu) Importance: Undecided Status: New ** Changed in: linux-oem (Ubuntu Bionic) Status: New => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem in Ubuntu. https://bugs.launchpad.net/bugs/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: New Status in linux source package in Bionic: In Progress Status in linux-oem source package in Bionic: Fix Committed Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
There isn't yet a new kernel in *bionic* -proposed to solve this issue, so I can't test it. I have verified that building the 4.15.0-42.45 kernel with the patch (https://patchwork.kernel.org/patch/10382693/) applied fixes wifi for 16+ threaded systems on 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/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: In Progress Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
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/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: In Progress Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
I encountered this iwlwifi failure while testing the Intel 9260 with the AMD Ryzen 7 2700x (8 core, 16 thread). By bisecting the kernel, I was able to narrow it down to the same commit. I can also verify that setting maxcpus=15, fixes wifi (at the cost of performance). This is a really important fix for certain System76 products. We'd really like to see it backported so Ubuntu works without compromises on our machines. I'm happy to test any testing or proposed kernels. -- 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/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: In Progress Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Bionic) Status: New => Incomplete ** Changed in: linux (Ubuntu Bionic) Status: Incomplete => 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/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: In Progress Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
** Tags added: originate-from-1804367 somerville ** 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/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1805088/+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 1805088] Re: iwlwifi fails to work on 16 or more logical CPUs machines
commit ab1068d6866e28bf6427ceaea681a381e5870a4a Author: Hao Wei Tee Date: Tue May 29 10:25:17 2018 +0300 iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs When there are 16 or more logical CPUs, we request for `IWL_MAX_RX_HW_QUEUES` (16) IRQs only as we limit to that number of IRQs, but later on we compare the number of IRQs returned to nr_online_cpus+2 instead of max_irqs, the latter being what we actually asked for. This ends up setting num_rx_queues to 17 which causes lots of out-of-bounds array accesses later on. Compare to max_irqs instead, and also add an assertion in case num_rx_queues > IWM_MAX_RX_HW_QUEUES. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=199551 Fixes: 2e5d4a8f61dc ("iwlwifi: pcie: Add new configuration to enable MSIX") Signed-off-by: Hao Wei Tee Tested-by: Sara Sharon Signed-off-by: Luca Coelho Signed-off-by: Kalle Valo -- 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/1805088 Title: iwlwifi fails to work on 16 or more logical CPUs machines Status in linux package in Ubuntu: In Progress Bug description: [Impact] Got dmesg kernel BUG while loading iwlwifi driver on machines which has 16 or more logical CPUs kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi] And it leads to wifi can't scan any APs, and leads to system hangs while suspending. [Fix] Below commit contained in v4.17 fix the issue. ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs [Regression Potential] Low. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1805088/+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