Re: Oops stack trace missing function addresses

2020-10-15 Thread Valdis Klētnieks
On Thu, 15 Oct 2020 18:34:08 +0100, Adrian Larumbe said: > claims, I get no VA next to each function in the Call Trace: > > Call Trace: > do_one_initcall+0xfc/0x290 > ? cache_alloc_debugcheck_after+0x38/0x270 > ? rcu_read_lock_sched_held+0x77/0xa0 > ? kmem_cache_alloc_trace+0x2b6/0x330 >

Oops stack trace missing function addresses

2020-10-15 Thread Adrian Larumbe
Hi everyone, I wrote a small kernel module where I trigger a page fault by writing to an invalid memory address. This causes an Oops that prints the associated Stack Trace, but contrary to what the kernel documentation claims, I get no VA next to each function in the Call Trace: Call Trace:

Re: USB Question about devices being reconnected to the host

2020-10-15 Thread Lucas Tanure
On 10/15/20 1:30 PM, Greg KH wrote: On Thu, Oct 15, 2020 at 01:17:45PM +0100, Lucas Tanure wrote: Hi, I'm learning about USB drivers and I would like to know about disconnecting and reconnecting usb devices. I can see my probe function being called and also the disconnect function. But if

Re: some u-boot mailing list

2020-10-15 Thread Bernd Petrovitsch
Hi all! On 15/10/2020 07:38, Tomek The Messenger wrote: [...] > Does anybody know some u-boot mailing list like here for linux, but for > u-boot. Is someone subscribed maybe somewhere? I have question about what > might be a potential rootcause of synchronous abort which I get when > executing

Re: USB Question about devices being reconnected to the host

2020-10-15 Thread Greg KH
On Thu, Oct 15, 2020 at 01:17:45PM +0100, Lucas Tanure wrote: > Hi, > > I'm learning about USB drivers and I would like to know about disconnecting > and reconnecting usb devices. > > I can see my probe function being called and also the disconnect function. > But if I reconnect the device there

USB Question about devices being reconnected to the host

2020-10-15 Thread Lucas Tanure
Hi, I'm learning about USB drivers and I would like to know about disconnecting and reconnecting usb devices. I can see my probe function being called and also the disconnect function. But if I reconnect the device there is no call from the kernel to notify my driver about the device being

some u-boot mailing list

2020-10-15 Thread Tomek The Messenger
Hi Does anybody know some u-boot mailing list like here for linux, but for u-boot. Is someone subscribed maybe somewhere? I have question about what might be a potential rootcause of synchronous abort which I get when executing "i2c dev 1" in u-boot shell.