Bug#979765: rdpmc on VIA Nano

2021-05-25 Thread kazimierz01
And this on U4200: May 25 20:47:11 kitt kernel: [223177.158196] rdpmc_test_init:rdpmc_value1 = ff3750e333 (err = 0) May 25 20:47:11 kitt kernel: [223177.158203] rdpmc_test_init:rdpmc_value2 = ff (err = 0) On 2021-05-25 13:50, kazimier...@stodwa.org wrote: Hi, This is on U3500 May 25

Bug#979765: rdpmc on VIA Nano

2021-05-25 Thread kazimierz01
Hi, This is on U3500 May 25 13:43:13 debian kernel: rdpmc_test_init:rdpmc_value1 = 0 (err = -5) May 25 13:43:13 debian kernel: rdpmc_test_init:rdpmc_value2 = ff (err = 0) I'll send the U4200 results later. -- Kazimierz

Bug#979765: rdpmc on VIA Nano

2021-05-20 Thread 8vvbbqzo567a
Thanks for the information. The U3500 results with the liquorix kernel are unexpected. I thought that performance events would be completely disabled, but that's not the case. I'll try to figure out why it doesn't crash.

Bug#979765: rdpmc on VIA Nano

2021-05-19 Thread kazimierz01
Hello, Here are the requested logs from the working X2 U4200 on HP T510. I'll send the information from U3500 in separate mail tomorrow, since the machine is in different physical location. ## /proc/cpuinfo on X2 U4200 processor : 0 vendor_id : CentaurHauls cpu family : 6

Bug#979765: rdpmc on VIA Nano

2021-05-18 Thread 8vvbbqzo567a
Hello Kazimierz, The rdpmc instruction can't be used to read the fixed counter on some VIA Nano CPU's. We're trying to figure out which ones work and which ones don't work. Can you provide CPU information from /proc/cpuinfo for your VIA Nano U3500 and VIA Eden X2 U4200 CPU's? Can you also