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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Xen 4.12.1/4.13.0-rc2 unable to load module coretemp
On Sun, Nov 17, 2019 at 7:18 AM Bobbi Sanchez <bobbisanchez@xxxxxx> wrote: > > Am 16.11.19 um 04:21 schrieb Rishi: > > On Sat, Nov 16, 2019 at 4:29 AM Bobbi Sanchez <bobbisanchez@xxxxxx> wrote: > >> Hi, > >> > >> > >> i am using (Debian10) Kernel 5.3.7-amd64 self compiled with XEN-dom0 > >> Options activated and also Xen from source Version 4.12.1 and 4.13.0-rc2 > >> self compiled, everything seems to work find but i am not able to load the > >> coretemp.ko module, not possible under Xen4.12.1 and 4.13.0-rc2! > >> > >> If i dont load the xen.gz at boot, so that i only run Kernel 5.3.7 > >> coretemp is no problem to load! > >> > >> > >> Thats the output if i try to load the coretemp module: > >> > >> sudo modprobe -vvvvv coretemp > >> modprobe: INFO: ../libkmod/libkmod.c:364 kmod_set_log_fn() custom logging > >> function 0x56006c91c150 registered > >> modprobe: DEBUG: ../libkmod/libkmod-index.c:755 index_mm_open() > >> file=/lib/modules/5.3.7-4-xen0/modules.dep.bin > >> modprobe: DEBUG: ../libkmod/libkmod-index.c:755 index_mm_open() > >> file=/lib/modules/5.3.7-4-xen0/modules.alias.bin > >> modprobe: DEBUG: ../libkmod/libkmod-index.c:755 index_mm_open() > >> file=/lib/modules/5.3.7-4-xen0/modules.symbols.bin > >> modprobe: DEBUG: ../libkmod/libkmod-index.c:755 index_mm_open() > >> file=/lib/modules/5.3.7-4-xen0/modules.builtin.bin > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:556 > >> kmod_module_new_from_lookup() input alias=coretemp, normalized=coretemp > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:562 > >> kmod_module_new_from_lookup() lookup modules.dep coretemp > >> modprobe: DEBUG: ../libkmod/libkmod.c:574 kmod_search_moddep() use mmaped > >> index 'modules.dep' modname=coretemp > >> modprobe: DEBUG: ../libkmod/libkmod.c:402 kmod_pool_get_module() get > >> module name='coretemp' found=(nil) > >> modprobe: DEBUG: ../libkmod/libkmod.c:410 kmod_pool_add_module() add > >> 0x56006d416f20 key='coretemp' > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:202 > >> kmod_module_parse_depline() 0 dependencies for coretemp > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:583 > >> kmod_module_new_from_lookup() lookup coretemp=0, list=0x56006d4166d0 > >> modprobe: DEBUG: ../libkmod/libkmod.c:501 lookup_builtin_file() use mmaped > >> index 'modules.builtin' modname=coretemp > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1750 > >> kmod_module_get_initstate() could not open > >> '/sys/module/coretemp/initstate': No such file or directory > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1760 > >> kmod_module_get_initstate() could not open '/sys/module/coretemp': No such > >> file or directory > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=snd_pcsp mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=snd_usb_audio mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=cx88_alsa mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=snd_atiixp_modem mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=snd_intel8x0m mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=snd_via82xx_modem mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=loop mod->name=coretemp mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=bonding mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1393 > >> kmod_module_get_options() modname=dummy mod->name=coretemp > >> mod->alias=(null) > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1750 > >> kmod_module_get_initstate() could not open > >> '/sys/module/coretemp/initstate': No such file or directory > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:1760 > >> kmod_module_get_initstate() could not open '/sys/module/coretemp': No such > >> file or directory > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:744 kmod_module_get_path() > >> name='coretemp' > >> path='/lib/modules/5.3.7-4-xen0/kernel/drivers/hwmon/coretemp.ko' > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:744 kmod_module_get_path() > >> name='coretemp' > >> path='/lib/modules/5.3.7-4-xen0/kernel/drivers/hwmon/coretemp.ko' > >> insmod /lib/modules/5.3.7-4-xen0/kernel/drivers/hwmon/coretemp.ko > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:744 kmod_module_get_path() > >> name='coretemp' > >> path='/lib/modules/5.3.7-4-xen0/kernel/drivers/hwmon/coretemp.ko' > >> modprobe: INFO: ../libkmod/libkmod-module.c:886 > >> kmod_module_insert_module() Failed to insert module > >> '/lib/modules/5.3.7-4-xen0/kernel/drivers/hwmon/coretemp.ko': No such > >> device > >> modprobe: ERROR: could not insert 'coretemp': No such device > >> modprobe: DEBUG: ../libkmod/libkmod-module.c:468 kmod_module_unref() > >> kmod_module 0x56006d416f20 released > >> modprobe: DEBUG: ../libkmod/libkmod.c:418 kmod_pool_del_module() del > >> 0x56006d416f20 key='coretemp' > >> modprobe: INFO: ../libkmod/libkmod.c:331 kmod_unref() context > >> 0x56006d4164e0 released > >> > >> > >> The Module is there: > >> > >> ls -hal /lib/modules/5.3.7-4-xen0/kernel/drivers/hwmon/ | grep coretemp > >> -rw-r--r-- 1 root root 21K Nov 15 00:55 coretemp.ko > >> > >> > >> Thats the xl info: > >> > >> sudo xl info > >> host : nanadag > >> release : 5.3.7-4-xen0 > >> version : #0 SMP PREEMPT Fri Nov 15 00:55:59 CET 2019 > >> machine : x86_64 > >> nr_cpus : 4 > >> max_cpu_id : 3 > >> nr_nodes : 1 > >> cores_per_socket : 4 > >> threads_per_core : 1 > >> cpu_mhz : 2397.616 > >> hw_caps : > >> bfebfbff:0000e3bd:20100800:00000001:00000000:00000000:00000000:00000000 > >> virt_caps : pv hvm shadow > >> total_memory : 7101 > >> free_memory : 128 > >> sharing_freed_memory : 0 > >> sharing_used_memory : 0 > >> outstanding_claims : 0 > >> free_cpus : 0 > >> xen_major : 4 > >> xen_minor : 13 > >> xen_extra : .0-rc > >> xen_version : 4.13.0-rc > >> xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 > >> hvm-3.0-x86_32p hvm-3.0-x86_64 > >> xen_scheduler : credit2 > >> xen_pagesize : 4096 > >> platform_params : virt_start=0xffff800000000000 > >> xen_changeset : > >> xen_commandline : placeholder > >> cc_compiler : gcc (Debian 8.3.0-6) 8.3.0 > >> cc_compile_by : benutzer > >> cc_compile_domain : dag > >> cc_compile_date : Fri Nov 15 22:15:27 CET 2019 > >> build_id : ded65a38fabc4057e67d85d1bf6bf4165e88b6ca > >> xend_config_format : 4 > >> > >> > >> uname -a > >> Linux nanadag 5.3.7-4-xen0 #0 SMP PREEMPT Fri Nov 15 00:55:59 CET 2019 > >> x86_64 GNU/Linux > >> > >> and here from cat /proc/cpuinfo > >> > >> processor : 0 > >> vendor_id : GenuineIntel > >> cpu family : 6 > >> model : 15 > >> model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz > >> stepping : 11 > >> cpu MHz : 2397.616 > >> cache size : 4096 KB > >> physical id : 0 > >> siblings : 4 > >> core id : 0 > >> cpu cores : 4 > >> apicid : 0 > >> initial apicid : 0 > >> fpu : yes > >> fpu_exception : yes > >> cpuid level : 10 > >> wp : yes > >> flags : fpu de tsc msr pae mce cx8 apic sep mca cmov pat clflush > >> acpi mmx fxsr sse sse2 ht syscall nx lm constant_tsc rep_good nopl cpuid > >> pni monitor est ssse3 cx16 hypervisor lahf_lm > >> bugs : null_seg cpu_meltdown spectre_v1 spectre_v2 > >> spec_store_bypass l1tf mds swapgs > >> bogomips : 4795.23 > >> clflush size : 64 > >> cache_alignment : 64 > >> address sizes : 36 bits physical, 48 bits virtual > >> power management: > >> --- snip --- > >> > >> > >> What can i do to ge the coretemp module loaded ? > >> > >> Best Regards > >> > >> > >> _______________________________________________ > >> Xen-users mailing list > >> Xen-users@xxxxxxxxxxxxxxxxxxxx > >> https://lists.xenproject.org/mailman/listinfo/xen-users > > This change of behavior was introduced with > > https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=72e038450d3d5de1a39f0cfa2d2b0f9b3d43c6c6 > > It was intended to hide Thermal info from PV guests but seems it got > > hidden from Dom0 as well. > > > > I was having same problem and there are 2 ways through which it could > > be solved. Modify Xen to not hide EAX or modify linux Dom0 kernel. > > To modify dom0 kernel, you'd have to edit > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/arch/x86/kernel/cpu/common.c?h=v5.3.7#n913 > > - c->x86_capability[CPUID_6_EAX] = cpuid_eax(0x00000006); > > + c->x86_capability[CPUID_6_EAX] = > > native_cpuid_eax(0x00000006); > > > > _______________________________________________ > > Xen-users mailing list > > Xen-users@xxxxxxxxxxxxxxxxxxxx > > https://lists.xenproject.org/mailman/listinfo/xen-users > > Thanks for your information, > > i tried to change common.c inside of the kernel 5.3.7 sources but now dmesg > prints this while booting the system with xen 4.13.0-rc2: > > [ 13.090126] coretemp coretemp.0: Using relative temperature scale! > [ 13.090208] coretemp coretemp.0: Using relative temperature scale! > [ 13.090219] sysfs: cannot create duplicate filename > '/devices/platform/coretemp.0/hwmon/hwmon0/temp2_label' > [ 13.090221] CPU: 1 PID: 14 Comm: cpuhp/1 Not tainted 5.3.7-3-xen0-amd64 #0 > [ 13.090223] Hardware name: /DP965LT, BIOS > MQ96510J.86A.1761.2009.0326.0001 03/26/2009 > [ 13.090224] Call Trace: > [ 13.090234] dump_stack+0x5c/0x80 > [ 13.090237] sysfs_warn_dup.cold.5+0x17/0x23 > [ 13.090240] sysfs_add_file_mode_ns+0x144/0x170 > [ 13.090242] internal_create_group+0x117/0x380 > [ 13.090248] ? coretemp_cpu_offline+0x1d0/0x1d0 [coretemp] > [ 13.090250] create_core_data+0x34d/0x550 [coretemp] > [ 13.090253] ? create_core_data+0x550/0x550 [coretemp] > [ 13.090256] coretemp_cpu_online+0x114/0x16f [coretemp] > [ 13.090259] ? finish_task_switch+0x77/0x230 > [ 13.090261] cpuhp_invoke_callback+0x94/0x540 > [ 13.090264] ? __schedule+0x2be/0x630 > [ 13.090266] ? sort_range+0x20/0x20 > [ 13.090267] cpuhp_thread_fun+0xb0/0x110 > [ 13.090269] smpboot_thread_fn+0xc5/0x160 > [ 13.090271] kthread+0x113/0x130 > [ 13.090273] ? __kthread_parkme+0x70/0x70 > [ 13.090275] ret_from_fork+0x35/0x40 > [ 13.090283] coretemp coretemp.0: Adding Core 1 failed > [ 13.100454] coretemp coretemp.0: Using relative temperature scale! > [ 13.100501] coretemp coretemp.0: Using relative temperature scale! > [ 13.100510] sysfs: cannot create duplicate filename > '/devices/platform/coretemp.0/hwmon/hwmon0/temp2_label' > [ 13.100513] CPU: 3 PID: 24 Comm: cpuhp/3 Not tainted 5.3.7-3-xen0-amd64 #0 > [ 13.100514] Hardware name: /DP965LT, BIOS > MQ96510J.86A.1761.2009.0326.0001 03/26/2009 > [ 13.100515] Call Trace: > [ 13.100524] dump_stack+0x5c/0x80 > [ 13.100527] sysfs_warn_dup.cold.5+0x17/0x23 > [ 13.100531] sysfs_add_file_mode_ns+0x144/0x170 > [ 13.100532] internal_create_group+0x117/0x380 > [ 13.100536] ? coretemp_cpu_offline+0x1d0/0x1d0 [coretemp] > [ 13.100539] create_core_data+0x34d/0x550 [coretemp] > [ 13.100542] ? create_core_data+0x550/0x550 [coretemp] > [ 13.100544] coretemp_cpu_online+0x114/0x16f [coretemp] > [ 13.100547] ? finish_task_switch+0x77/0x230 > [ 13.100549] cpuhp_invoke_callback+0x94/0x540 > [ 13.100552] ? __schedule+0x2be/0x630 > [ 13.100554] ? sort_range+0x20/0x20 > [ 13.100555] cpuhp_thread_fun+0xb0/0x110 > [ 13.100557] smpboot_thread_fn+0xc5/0x160 > [ 13.100559] kthread+0x113/0x130 > [ 13.100561] ? __kthread_parkme+0x70/0x70 > [ 13.100563] ret_from_fork+0x35/0x40 > [ 13.100571] coretemp coretemp.0: Adding Core 3 failed > > > lsmod shows that coretemp is loaded > > $ lsmod | grep coretemp > coretemp 20480 0 > > but lmsensors doenst show temperature, even if i try sudo sensors-detect > > $ sensors > No sensors found! > Make sure you loaded all the kernel drivers you need. > Try sensors-detect to find out which these are. > > if i try to > > $ sudo rmmod coretemp > > the input hangs and cannot be breaked/canceled, even not CTRL+C or CTRL+Z, or > CTRL+D doesnt work, and then on another console dmesg prints this: > > [ 425.193352] BUG: kernel NULL pointer dereference, address: 0000000000000188 > [ 425.207238] #PF: supervisor read access in kernel mode > [ 425.217475] #PF: error_code(0x0000) - not-present page > [ 425.227713] PGD 0 P4D 0 > [ 425.232759] Oops: 0000 [#1] SMP NOPTI > [ 425.240056] CPU: 0 PID: 13 Comm: cpuhp/0 Not tainted 5.3.7-3-xen0-amd64 #0 > [ 425.253757] Hardware name: /DP965LT, BIOS > MQ96510J.86A.1761.2009.0326.0001 03/26/2009 > [ 425.269541] RIP: e030:sysfs_remove_group+0xc/0x80 > [ 425.278919] Code: 66 66 90 48 89 f2 be 01 00 00 00 e9 5e fc ff ff 66 66 2e > 0f 1f 84 00 00 00 00 00 0f 1f 00 66 66 66 66 90 41 54 55 48 89 f5 53 <48> 8b > 36 48 8b 5f 30 48 85 f6 74 40 31 d2 49 89 fc 48 89 df e8 1b > [ 425.316343] RSP: e02b:ffffc9004009fe08 EFLAGS: 00010216 > [ 425.326752] RAX: 0000000000000000 RBX: ffff8881b6aa6828 RCX: > 0000000000000000 > [ 425.340982] RDX: 0000000000000007 RSI: 0000000000000188 RDI: > ffff8881b6018008 > [ 425.355201] RBP: 0000000000000188 R08: 0000000000000000 R09: > ffff8881b9a2aa00 > [ 425.369422] R10: 0000000000007ff0 R11: 0000000000000400 R12: > 0000000000000000 > [ 425.383641] R13: ffff8881b6aa6818 R14: 0000000000010340 R15: > ffff8881b6aa6828 > [ 425.397873] FS: 00007f5c585e8940(0000) GS:ffff8881be800000(0000) > knlGS:0000000000000000 > [ 425.414000] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 425.425450] CR2: 0000000000000188 CR3: 00000001b58d4000 CR4: > 0000000000000660 > [ 425.439675] Call Trace: > [ 425.444552] coretemp_cpu_offline+0x120/0x1d0 [coretemp] > [ 425.455140] ? coretemp_remove+0x60/0x60 [coretemp] > [ 425.464862] cpuhp_invoke_callback+0x94/0x540 > [ 425.473543] ? __schedule+0x2be/0x630 > [ 425.480840] ? sort_range+0x20/0x20 > [ 425.487789] cpuhp_thread_fun+0xb0/0x110 > [ 425.495604] smpboot_thread_fn+0xc5/0x160 > [ 425.503592] kthread+0x113/0x130 > [ 425.510021] ? __kthread_parkme+0x70/0x70 > [ 425.518009] ret_from_fork+0x35/0x40 > [ 425.525131] Modules linked in: bridge stp llc mei_me iTCO_wdt sg mei > serio_raw iTCO_vendor_support pcspkr evdev button xen_acpi_processor > xen_netback xen_blkback xen_gntalloc coretemp(-) ip_tables x_tables autofs4 > ext4 crc32c_generic crc16 mbcache jbd2 sd_mod ata_generic pata_acpi i2c_i801 > ahci lpc_ich libahci skge uhci_hcd ehci_pci pata_marvell ehci_hcd libata > usbcore e1000e > [ 425.591494] CR2: 0000000000000188 > [ 425.598096] ---[ end trace e7bf697ded5c8bcf ]--- > [ 425.607296] RIP: e030:sysfs_remove_group+0xc/0x80 > [ 425.616668] Code: 66 66 90 48 89 f2 be 01 00 00 00 e9 5e fc ff ff 66 66 2e > 0f 1f 84 00 00 00 00 00 0f 1f 00 66 66 66 66 90 41 54 55 48 89 f5 53 <48> 8b > 36 48 8b 5f 30 48 85 f6 74 40 31 d2 49 89 fc 48 89 df e8 1b > [ 425.654094] RSP: e02b:ffffc9004009fe08 EFLAGS: 00010216 > [ 425.664507] RAX: 0000000000000000 RBX: ffff8881b6aa6828 RCX: > 0000000000000000 > [ 425.678729] RDX: 0000000000000007 RSI: 0000000000000188 RDI: > ffff8881b6018008 > [ 425.692951] RBP: 0000000000000188 R08: 0000000000000000 R09: > ffff8881b9a2aa00 > [ 425.707184] R10: 0000000000007ff0 R11: 0000000000000400 R12: > 0000000000000000 > [ 425.721404] R13: ffff8881b6aa6818 R14: 0000000000010340 R15: > ffff8881b6aa6828 > [ 425.735627] FS: 00007f5c585e8940(0000) GS:ffff8881be800000(0000) > knlGS:0000000000000000 > [ 425.751754] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 425.763204] CR2: 0000000000000188 CR3: 00000001b58d4000 CR4: > 0000000000000660 > > > and lsmod shows now: > > $ lsmod | grep coretemp > coretemp 20480 -1 > > Well lets see may the other way what you talked about the change the xen > source may work... lets see. I will try this way now > > Best Regards > > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxxx > https://lists.xenproject.org/mailman/listinfo/xen-users Sure, modifying from Xen should create more stable effect. Before that, can you share # cpuid -r -1 ? We need to look for 0x00000006 0x00: eax=0x00000077 _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-users
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