Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-27 Thread Giuseppe Sacco
Il giorno gio, 27/08/2020 alle 12.39 +0200, Christophe Leroy ha scritto: > Hi, > > Le 27/08/2020 à 10:28, Giuseppe Sacco a écrit : [...] > > Sorry, I made a mistake. The real problem is down, on the same > > function, when it calls low_sleep_handler(). This is where the

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-27 Thread Giuseppe Sacco
Il giorno gio, 27/08/2020 alle 09.46 +0200, Giuseppe Sacco ha scritto: > Il giorno gio, 27/08/2020 alle 00.28 +0200, Giuseppe Sacco ha scritto: > > Hello Christophe, > > > > Il giorno mer, 26/08/2020 alle 15.53 +0200, Christophe Leroy ha > > scritto: > > [

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-27 Thread Giuseppe Sacco
Il giorno gio, 27/08/2020 alle 00.28 +0200, Giuseppe Sacco ha scritto: > Hello Christophe, > > Il giorno mer, 26/08/2020 alle 15.53 +0200, Christophe Leroy ha > scritto: > [...] > > If there is no warning, then the issue is something else, bad luck. > > > >

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-26 Thread Giuseppe Sacco
Hello Christophe, Il giorno mer, 26/08/2020 alle 15.53 +0200, Christophe Leroy ha scritto: [...] > If there is no warning, then the issue is something else, bad luck. > > Could you increase the loglevel and try again both with and without > VMAP_STACK ? Maybe we'll get more information on where

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-24 Thread Giuseppe Sacco
Hello Christophe, Il giorno lun, 24/08/2020 alle 07.17 +0200, Christophe Leroy ha scritto: > Hello Giuseppe, [...] > The Oopses in the video are fixed in 5.9-rc2, see my response to your > other mail. Right, I just updated from git and rebuilt the kernel whith CONFIG_VMAP_STACK not set and the

Oops decoding help request

2020-08-23 Thread Giuseppe Sacco
Hello, I am not a kernel developer and I need much help in order to understand a kernel Oops (the first of a series of three Oops). It is: kernel tried to execute exec-protected page (f102) - exploit attempt? (uid: 0) BUG: Unable to handle kernel instruction fetch Faulting instruction

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-22 Thread Giuseppe Sacco
Hello Christophe, Il giorno ven, 21/08/2020 alle 16.03 +0200, Christophe Leroy ha scritto: [...] > Thanks. > > The Oops in the video shows that the issue is at 0x1bcac and msr > value > shows that Instruction MMU is disabled. So this corresponds to > address > 0xc001bcac. In the vmlinux you

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-21 Thread Giuseppe Sacco
Hello, Il giorno ven, 21/08/2020 alle 16.03 +0200, Christophe Leroy ha scritto: [...] > Thanks. > > The Oops in the video shows that the issue is at 0x1bcac and msr > value > shows that Instruction MMU is disabled. So this corresponds to > address > 0xc001bcac. In the vmlinux you sent me this

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-08-21 Thread Giuseppe Sacco
Hello Cristophe, Il giorno ven, 21/08/2020 alle 08.55 +0200, Christophe Leroy ha scritto: > Hi Giuseppe, > > Le 08/07/2020 à 20:44, Christophe Leroy a écrit : > > > > Le 08/07/2020 à 19:36, Giuseppe Sacco a écrit : > > > Hi Cristophe, > > > > >

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-07-08 Thread Giuseppe Sacco
Hi Cristophe, Il giorno mer, 08/07/2020 alle 19.09 +0200, Christophe Leroy ha scritto: > Hi > > Le 08/07/2020 à 19:00, Giuseppe Sacco a écrit : > > Hello, > > while trying to debug a problem using git bisect, I am now at a point > > where I cannot build the kerne

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-07-08 Thread Giuseppe Sacco
Hello, while trying to debug a problem using git bisect, I am now at a point where I cannot build the kernel at all. This is the error message I get: $ LANG=C make ARCH=powerpc \ CROSS_COMPILE=powerpc-linux- \ CONFIG_MODULE_COMPRESS_GZIP=true \ INSTALL_MOD_STRIP=1 CONFIG_MODULE_COMPRESS=1 \

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-07-08 Thread Giuseppe Sacco
Salut Cristophe, Il giorno mer, 08/07/2020 alle 10.38 +0200, Christophe Leroy ha scritto: > Hi Giuseppe, > > Le 08/07/2020 à 09:59, Giuseppe Sacco a écrit : > > Hello Cristophe, > > > > Il giorno mar, 07/07/2020 alle 17.34 +0200, Giuseppe Sacco ha > > scrit

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-07-08 Thread Giuseppe Sacco
Hello Cristophe, Il giorno mar, 07/07/2020 alle 17.34 +0200, Giuseppe Sacco ha scritto: > Il giorno mar, 07/07/2020 alle 16.52 +0200, Christophe Leroy ha > scritto: > > Le 07/07/2020 à 16:03, Giuseppe Sacco a écrit : > > > Hello Cristophe, > > > > > >

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-07-07 Thread Giuseppe Sacco
Il giorno mar, 07/07/2020 alle 16.52 +0200, Christophe Leroy ha scritto: > > Le 07/07/2020 à 16:03, Giuseppe Sacco a écrit : > > Hello Cristophe, > > > > > Can you tell which defconfig you use or provide your .config > > > > You may get the standard

Re: kernel since 5.6 do not boot anymore on Apple PowerBook

2020-07-07 Thread Giuseppe Sacco
Hello Cristophe, Il giorno mar, 07/07/2020 alle 15.35 +0200, Christophe Leroy ha scritto: > Hi, > Le 07/07/2020 à 14:58, Giuseppe Sacco a écrit : [...] > > So, I am looking for help. How may I better investigate the > > problem? > > How may I crossbuild the kernel on

kernel since 5.6 do not boot anymore on Apple PowerBook

2020-07-07 Thread Giuseppe Sacco
Hello, I am testing linux on a quite old hardware, an Apple PowerBook G4 "Titanium IV". I used to run Debian on this machine, so I upgraded the old operating system to the latest software and found that new kernels do not boot. I rebuilt natively (on the powerbook) a few kernels and found that