On 2020-02-14, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote: > On 2020-02-12 12:10:23 [+0000], Sebastien Fabre wrote: >> Since kernel v5.0, PREEMPT_RT patches contain printk >> re-implementation. This re-implementation removes some log symbols in >> VMCOREINFO and crash tool cannot retrieve kernel logs (because >> symbols no more exist). Is this impact on crash expected? If so, how >> can we retrieve a functional crash tool with kernel v5.0 (and >> following) ? > > It is known, yes. I'm aware of crash and the gdb scritps should also > suffer from this. Perhaps this should be listed under the "Known issues" of the PREEMPT_RT release announcements. John Ogness
