On Fri, 4 Dec 2020 10:35:38 +0000 (UTC), Christophe Leroy wrote:
> Since some time now, printk() adds carriage return, leading to
> unusable xmon output:
>
> [ 54.288722] sysrq: Entering xmon
> [ 54.292209] Vector: 0 at [cace3d2c]
> [ 54.292274] pc:
> [ 54.292331] c0023650
> [ 54.292468] : xmon+0x28/0x58
> [ 54.292519]
> [ 54.292574] lr:
> [ 54.292630] c0023724
> [ 54.292749] : sysrq_handle_xmon+0xa4/0xfc
> [ 54.292801]
> [ 54.292867] sp: cace3de8
> [ 54.292931] msr: 9032
> [ 54.292999] current = 0xc28d0000
> [ 54.293072] pid = 377, comm = sh
> [ 54.293157] Linux version 5.10.0-rc6-s3k-dev-01364-gedf13f0ccd76-dirty
> (r...@po17688vm.idsi0.si.c-s.fr) (powerpc64-linux-gcc (GCC) 10.1.0, GNU ld
> (GNU Binutils) 2.34) #4211 PREEMPT Fri Dec 4 09:32:11 UTC 2020
> [ 54.293287] enter ? for help
> [ 54.293470] [cace3de8]
> [ 54.293532] c0023724
> [ 54.293654] sysrq_handle_xmon+0xa4/0xfc
> [ 54.293711] (unreliable)
> [ 54.293859] [cace3e18]
> [ 54.293918] c03885a8
> [ 54.294056] __handle_sysrq+0xe4/0x1d4
> [ 54.294108]
> [ 54.294255] [cace3e48]
> [ 54.294314] c0388704
> [ 54.294441] write_sysrq_trigger+0x34/0x74
> [ 54.294493]
> [ 54.294641] [cace3e68]
> [ 54.294700] c01f65d0
> [ 54.294822] proc_reg_write+0xac/0x11c
> [ 54.294875]
> [ 54.295023] [cace3e88]
> [ 54.295082] c0179910
> [ 54.295198] vfs_write+0x134/0x46c
> [ 54.295250]
> [ 54.295396] [cace3f08]
> [ 54.295455] c0179de8
> [ 54.295567] ksys_write+0x78/0x11c
> [ 54.295619]
> [ 54.295766] [cace3f38]
> [ 54.295825] c00110d0
> [ 54.295951] ret_from_syscall+0x0/0x34
> [ 54.296002]
> [ 54.296159] --- Exception: c01 (System Call) at
> [ 54.296217] 0fd4e784
> [ 54.296303]
> [ 54.296375] SP (7fca6ff0) is in userspace
> [ 54.296431] mon>
> [ 54.296484] <no input ...>
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/xmon: Change printk() to pr_cont()
https://git.kernel.org/powerpc/c/7c6c86b36a36dd4a13d30bba07718e767aa2e7a1
cheers
