[Kernel-packages] [Bug 1893024]
Make alldefconfig isn't producing passing results on amd64 for me either. -- 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/1893024 Title: failing ftrace self tests from 5.7+ onwards Status in Linux: Confirmed Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: New Status in linux source package in Groovy: New Bug description: Ftrace regression tests in tools/testing/selftests/ftrace are picking up regressions in 5.7+ - not sure if these are kernel regressions or bugs in ftrace selftests. I'm seeing the following ftrace test regresions: 5.9-rc2 test failures with ARM64 in a 4GM VM + 8 CPUs Test 12, "Generic dynamic event - selective clear (compatibility)" Test 39, "Kprobe event with comm arguments" Test 40, "Kprobe event string type argument" Test 41, "Kprobe event symbol argument" Test 43, "Kprobe dynamic event with arguments" Test 44, "Kprobes event arguments with types" Test 45, "Kprobe event user-memory access" Test 47, "Kprobe dynamic event with function tracer" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" 5.8.3, 5.7.17 test failures: Test 45, "Kprobe event user-memory access" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" These tests were working fine when I tested with 5.4.60, 5.5.19, 5.6.19, so these are definite regressions Attached is a spreadsheet of the full set of test results To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1893024/+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 1893024]
Is it possible to have a copy of a config where all these tests pass? -- 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/1893024 Title: failing ftrace self tests from 5.7+ onwards Status in Linux: Confirmed Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: New Status in linux source package in Groovy: New Bug description: Ftrace regression tests in tools/testing/selftests/ftrace are picking up regressions in 5.7+ - not sure if these are kernel regressions or bugs in ftrace selftests. I'm seeing the following ftrace test regresions: 5.9-rc2 test failures with ARM64 in a 4GM VM + 8 CPUs Test 12, "Generic dynamic event - selective clear (compatibility)" Test 39, "Kprobe event with comm arguments" Test 40, "Kprobe event string type argument" Test 41, "Kprobe event symbol argument" Test 43, "Kprobe dynamic event with arguments" Test 44, "Kprobes event arguments with types" Test 45, "Kprobe event user-memory access" Test 47, "Kprobe dynamic event with function tracer" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" 5.8.3, 5.7.17 test failures: Test 45, "Kprobe event user-memory access" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" These tests were working fine when I tested with 5.4.60, 5.5.19, 5.6.19, so these are definite regressions Attached is a spreadsheet of the full set of test results To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1893024/+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 1893024]
Created attachment 292173 config-5.8.3-050803-generic -- 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/1893024 Title: failing ftrace self tests from 5.7+ onwards Status in Linux: Confirmed Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: New Status in linux source package in Groovy: New Bug description: Ftrace regression tests in tools/testing/selftests/ftrace are picking up regressions in 5.7+ - not sure if these are kernel regressions or bugs in ftrace selftests. I'm seeing the following ftrace test regresions: 5.9-rc2 test failures with ARM64 in a 4GM VM + 8 CPUs Test 12, "Generic dynamic event - selective clear (compatibility)" Test 39, "Kprobe event with comm arguments" Test 40, "Kprobe event string type argument" Test 41, "Kprobe event symbol argument" Test 43, "Kprobe dynamic event with arguments" Test 44, "Kprobes event arguments with types" Test 45, "Kprobe event user-memory access" Test 47, "Kprobe dynamic event with function tracer" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" 5.8.3, 5.7.17 test failures: Test 45, "Kprobe event user-memory access" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" These tests were working fine when I tested with 5.4.60, 5.5.19, 5.6.19, so these are definite regressions Attached is a spreadsheet of the full set of test results To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1893024/+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 1893024]
Created attachment 292175 config-5.9.0-rc2+ -- 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/1893024 Title: failing ftrace self tests from 5.7+ onwards Status in Linux: Confirmed Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: New Status in linux source package in Groovy: New Bug description: Ftrace regression tests in tools/testing/selftests/ftrace are picking up regressions in 5.7+ - not sure if these are kernel regressions or bugs in ftrace selftests. I'm seeing the following ftrace test regresions: 5.9-rc2 test failures with ARM64 in a 4GM VM + 8 CPUs Test 12, "Generic dynamic event - selective clear (compatibility)" Test 39, "Kprobe event with comm arguments" Test 40, "Kprobe event string type argument" Test 41, "Kprobe event symbol argument" Test 43, "Kprobe dynamic event with arguments" Test 44, "Kprobes event arguments with types" Test 45, "Kprobe event user-memory access" Test 47, "Kprobe dynamic event with function tracer" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" 5.8.3, 5.7.17 test failures: Test 45, "Kprobe event user-memory access" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" These tests were working fine when I tested with 5.4.60, 5.5.19, 5.6.19, so these are definite regressions Attached is a spreadsheet of the full set of test results To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1893024/+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 1893024]
Urgh, typo. It should be "AMD64", in a QEMU VM. -- 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/1893024 Title: failing ftrace self tests from 5.7+ onwards Status in Linux: Confirmed Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: New Status in linux source package in Groovy: New Bug description: Ftrace regression tests in tools/testing/selftests/ftrace are picking up regressions in 5.7+ - not sure if these are kernel regressions or bugs in ftrace selftests. I'm seeing the following ftrace test regresions: 5.9-rc2 test failures with ARM64 in a 4GM VM + 8 CPUs Test 12, "Generic dynamic event - selective clear (compatibility)" Test 39, "Kprobe event with comm arguments" Test 40, "Kprobe event string type argument" Test 41, "Kprobe event symbol argument" Test 43, "Kprobe dynamic event with arguments" Test 44, "Kprobes event arguments with types" Test 45, "Kprobe event user-memory access" Test 47, "Kprobe dynamic event with function tracer" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" 5.8.3, 5.7.17 test failures: Test 45, "Kprobe event user-memory access" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" These tests were working fine when I tested with 5.4.60, 5.5.19, 5.6.19, so these are definite regressions Attached is a spreadsheet of the full set of test results To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1893024/+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 1893024]
I suspect I've got some config settings disabled. I wonder if the require config settings are described somewhere for these tests to work correctly? -- 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/1893024 Title: failing ftrace self tests from 5.7+ onwards Status in Linux: Confirmed Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: New Status in linux source package in Groovy: New Bug description: Ftrace regression tests in tools/testing/selftests/ftrace are picking up regressions in 5.7+ - not sure if these are kernel regressions or bugs in ftrace selftests. I'm seeing the following ftrace test regresions: 5.9-rc2 test failures with ARM64 in a 4GM VM + 8 CPUs Test 12, "Generic dynamic event - selective clear (compatibility)" Test 39, "Kprobe event with comm arguments" Test 40, "Kprobe event string type argument" Test 41, "Kprobe event symbol argument" Test 43, "Kprobe dynamic event with arguments" Test 44, "Kprobes event arguments with types" Test 45, "Kprobe event user-memory access" Test 47, "Kprobe dynamic event with function tracer" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" 5.8.3, 5.7.17 test failures: Test 45, "Kprobe event user-memory access" Test 48, "Kprobe dynamic event - probing module" Test 51, "Kretprobe dynamic event with arguments" These tests were working fine when I tested with 5.4.60, 5.5.19, 5.6.19, so these are definite regressions Attached is a spreadsheet of the full set of test results To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1893024/+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 1875941]
Yep, it definitely is the same issue. -- 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/1875941 Title: using perf can crash kernel with a stack overflow Status in Linux: Confirmed Status in linux package in Ubuntu: In Progress Status in linux source package in Focal: New Bug description: running sudo stress-ng --perf --cpu 1 -t 10 will cause the recent 5.4.0-25-generic kernel to lock up with no information on the console showing where it is locked up. Bisected this back to: commit d44d71bbb9618c526820b39fe1cd0673582dc8c4 (refs/bisect/bad) Author: Joerg Roedel Date: Sat Mar 21 18:22:41 2020 -0700 x86/mm: split vmalloc_sync_all() BugLink: https://bugs.launchpad.net/bugs/1869061 commit 763802b53a427ed3cbd419dbba255c414fdd9e7c upstream. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1875941/+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 1811259]
Also, I've tested this with today's upstream from Linus' repo, still panics. -- 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/1811259 Title: 4.20 kernel on s390x VM crashes Status in Linux: Fix Released Status in linux package in Ubuntu: Triaged Status in linux source package in Disco: Triaged Bug description: Booting with 4.20.0-2-generic on a s390x 2 CPU VM we hit a panic: [0.394835] Linux version 4.20.0-2-generic (buildd@bos02-s390x-015) (gcc version 8.2.0 (Ubuntu 8.2.0-13ubuntu1)) #3-Ubuntu SMP Thu Jan 3 18:43:01 UTC 2019 (Ubuntu 4.20.0-2.3-generic 4.20.0) [0.394838] setup.289988: Linux is running under KVM in 64-bit mode [0.394846] setup.b050d0: The maximum memory size is 2048MB [0.394866] numa.196305: NUMA mode: plain [0.394893] cpu.33a262: 2 configured CPUs, 0 standby CPUs [0.394999] Write protected kernel read-only data: 10464k [0.395034] Zone ranges: [0.395035] DMA [mem 0x-0x7fff] [0.395037] Normal empty [0.395038] Movable zone start for each node [0.395039] Early memory node ranges [0.395041] node 0: [mem 0x-0x7fff] [0.395042] Initmem setup node 0 [mem 0x-0x7fff] [0.413802] percpu: Embedded 25 pages/cpu @(ptrval) s62208 r8192 d32000 u102400 [0.413824] Built 1 zonelists, mobility grouping on. Total pages: 516096 [0.413825] Policy zone: DMA [0.413827] Kernel command line: root=LABEL=cloudimg-rootfs [0.450276] Memory: 2034164K/2097152K available (8116K kernel code, 1079K rwdata, 2344K rodata, 992K init, 772K bss, 62988K reserved, 0K cma-reserved) [0.450283] random: get_random_u64 called from kmem_cache_open+0x4c/0x4f0 with crng_init=0 [0.450432] SLUB: HWalign=256, Order=0-3, MinObjects=0, CPUs=3, Nodes=1 [0.450434] ftrace: allocating 27385 entries in 107 pages [0.473325] rcu: Hierarchical RCU implementation. [0.473327] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=3. [0.473328]Tasks RCU enabled. [0.473329] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [0.473330] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=3 [0.475371] NR_IRQS: 3, nr_irqs: 3, preallocated irqs: 3 [0.475402] clocksource: tod: mask: 0x max_cycles: 0x3b0a9be803b0a9, max_idle_ns: 1805497147909793 ns [0.475558] printk: console [ttyS1] enabled [0.475623] pid_max: default: 32768 minimum: 301 [0.475658] LSM: Security Framework initializing [0.475660] Yama: becoming mindful. [0.475677] AppArmor: AppArmor initialized [0.476134] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [0.476352] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [0.476370] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [0.476377] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [0.476726] rcu: Hierarchical SRCU implementation. [0.476927] smp: Bringing up secondary CPUs ... [0.477181] smp: Brought up 1 node, 2 CPUs [0.477549] devtmpfs: initialized [0.477882] clocksource: jiffies: mask: 0x max_cycles: 0x, max_idle_ns: 1911260446275 ns [0.477902] futex hash table entries: 1024 (order: 6, 262144 bytes) [0.478105] NET: Registered protocol family 16 [0.478134] audit: initializing netlink subsys (disabled) [0.478183] audit: type=2000 audit(1547122707.960:1): state=initialized audit_enabled=0 res=1 [0.478222] Spectre V2 mitigation: execute trampolines [0.479205] HugeTLB registered 1.00 MiB page size, pre-allocated 0 pages [0.479623] SCSI subsystem initialized [0.479856] NetLabel: Initializing [0.479858] NetLabel: domain hash size = 128 [0.479859] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [0.479871] NetLabel: unlabeled traffic allowed by default [0.507362] VFS: Disk quotas dquot_6.6.0 [0.507378] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [0.507486] AppArmor: AppArmor Filesystem Enabled [0.507847] NET: Registered protocol family 2 [0.507976] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes) [0.507994] TCP established hash table entries: 16384 (order: 5, 131072 bytes) [0.508126] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [0.508235] TCP: Hash tables configured (established 16384 bind 16384) [0.508269] UDP hash table entries: 1024 (order: 3, 32768 bytes) [0.508287] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) [0.508336] NET: Registered protocol family 1 [0.508343] NET: Registered protocol family 44 [0.508374]
[Kernel-packages] [Bug 1811259]
The following commits fix the issue: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?h =linux-next=bf4dc0b2beebfd9338df7c0bcf473b356f67cf66 https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?h =linux-next=a229989d975eb926076307c1f2f5e4c6111768e7 https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?h =linux-next=ddbeac07a39a81d82331a312d0578fab94fccbf1 See: https://lkml.org/lkml/2019/1/7/829 Kudos to Wang, Wei W for the info. -- 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/1811259 Title: 4.20 kernel on s390x VM crashes Status in Linux: Fix Released Status in linux package in Ubuntu: Triaged Status in linux source package in Disco: Triaged Bug description: Booting with 4.20.0-2-generic on a s390x 2 CPU VM we hit a panic: [0.394835] Linux version 4.20.0-2-generic (buildd@bos02-s390x-015) (gcc version 8.2.0 (Ubuntu 8.2.0-13ubuntu1)) #3-Ubuntu SMP Thu Jan 3 18:43:01 UTC 2019 (Ubuntu 4.20.0-2.3-generic 4.20.0) [0.394838] setup.289988: Linux is running under KVM in 64-bit mode [0.394846] setup.b050d0: The maximum memory size is 2048MB [0.394866] numa.196305: NUMA mode: plain [0.394893] cpu.33a262: 2 configured CPUs, 0 standby CPUs [0.394999] Write protected kernel read-only data: 10464k [0.395034] Zone ranges: [0.395035] DMA [mem 0x-0x7fff] [0.395037] Normal empty [0.395038] Movable zone start for each node [0.395039] Early memory node ranges [0.395041] node 0: [mem 0x-0x7fff] [0.395042] Initmem setup node 0 [mem 0x-0x7fff] [0.413802] percpu: Embedded 25 pages/cpu @(ptrval) s62208 r8192 d32000 u102400 [0.413824] Built 1 zonelists, mobility grouping on. Total pages: 516096 [0.413825] Policy zone: DMA [0.413827] Kernel command line: root=LABEL=cloudimg-rootfs [0.450276] Memory: 2034164K/2097152K available (8116K kernel code, 1079K rwdata, 2344K rodata, 992K init, 772K bss, 62988K reserved, 0K cma-reserved) [0.450283] random: get_random_u64 called from kmem_cache_open+0x4c/0x4f0 with crng_init=0 [0.450432] SLUB: HWalign=256, Order=0-3, MinObjects=0, CPUs=3, Nodes=1 [0.450434] ftrace: allocating 27385 entries in 107 pages [0.473325] rcu: Hierarchical RCU implementation. [0.473327] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=3. [0.473328]Tasks RCU enabled. [0.473329] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [0.473330] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=3 [0.475371] NR_IRQS: 3, nr_irqs: 3, preallocated irqs: 3 [0.475402] clocksource: tod: mask: 0x max_cycles: 0x3b0a9be803b0a9, max_idle_ns: 1805497147909793 ns [0.475558] printk: console [ttyS1] enabled [0.475623] pid_max: default: 32768 minimum: 301 [0.475658] LSM: Security Framework initializing [0.475660] Yama: becoming mindful. [0.475677] AppArmor: AppArmor initialized [0.476134] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [0.476352] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [0.476370] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [0.476377] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [0.476726] rcu: Hierarchical SRCU implementation. [0.476927] smp: Bringing up secondary CPUs ... [0.477181] smp: Brought up 1 node, 2 CPUs [0.477549] devtmpfs: initialized [0.477882] clocksource: jiffies: mask: 0x max_cycles: 0x, max_idle_ns: 1911260446275 ns [0.477902] futex hash table entries: 1024 (order: 6, 262144 bytes) [0.478105] NET: Registered protocol family 16 [0.478134] audit: initializing netlink subsys (disabled) [0.478183] audit: type=2000 audit(1547122707.960:1): state=initialized audit_enabled=0 res=1 [0.478222] Spectre V2 mitigation: execute trampolines [0.479205] HugeTLB registered 1.00 MiB page size, pre-allocated 0 pages [0.479623] SCSI subsystem initialized [0.479856] NetLabel: Initializing [0.479858] NetLabel: domain hash size = 128 [0.479859] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [0.479871] NetLabel: unlabeled traffic allowed by default [0.507362] VFS: Disk quotas dquot_6.6.0 [0.507378] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [0.507486] AppArmor: AppArmor Filesystem Enabled [0.507847] NET: Registered protocol family 2 [0.507976] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes) [0.507994] TCP established hash table entries: 16384 (order: 5, 131072 bytes) [
