From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57755) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bdAro-00055W-AE for qemu-devel@nongnu.org; Fri, 26 Aug 2016 02:43:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bdArk-0006gm-3g for qemu-devel@nongnu.org; Fri, 26 Aug 2016 02:43:51 -0400 References: <4a78a3a5-91ba-b3bd-a59c-d1ebf9f1470b@reactos.org> <1472088691.2246.62.camel@kernel.crashing.org> <1472103184.2246.77.camel@kernel.crashing.org> <703193e4-41be-eb33-d420-65d6043a2083@reactos.org> <1472160467.2889.6.camel@kernel.crashing.org> From: =?UTF-8?Q?Herv=c3=a9_Poussineau?= Message-ID: <9db71fe1-710c-bcf9-c8d4-d0ceba65acce@reactos.org> Date: Fri, 26 Aug 2016 08:43:29 +0200 MIME-Version: 1.0 In-Reply-To: <1472160467.2889.6.camel@kernel.crashing.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] ppc: regression in 2.7.0-rc3 on rfi/rfid/hrfi instructions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Benjamin Herrenschmidt , qemu-devel , "qemu-ppc@nongnu.org" Le 25/08/2016 =C3=A0 23:27, Benjamin Herrenschmidt a =C3=A9crit : > On Thu, 2016-08-25 at 22:14 +0200, Herv=C3=A9 Poussineau wrote: >> >> Fixes: a2e71b28e832346409efc795ecd1f0a2bcb705a3 >> Reported-by: Herv=C3=A9 Poussineau >> Tested-by: Herv=C3=A9 Poussineau >> >> For the problem to press enter to "activate this console", this is >> another regression. >> However, I was unable to pin-point it to a specific commit (too much >> interwinded regressions) >> It was working in 2.6.0 (commit >> a2e71b28e832346409efc795ecd1f0a2bcb705a3) > > Well, if you can get me that kernel source, I may have more chances to > track this down ;-) Of course, I don't have the exact source :) Here is the dmesg of the running system on QEMU 2.6.0: Memory BAT mapping: BAT2=3D128Mb, BAT3=3D0Mb, residual: 0Mb Total memory =3D 128MB; using 512kB for hash table (at c0300000) Linux version 2.4.18 (root@Juneau-lug) (gcc version 2.95.4 20011002 (Debi= an prerelease)) #5 Wed May 21 23:50:43 AKDT 2003 PReP architecture On node 0 totalpages: 32768 zone(0): 32768 pages. zone(1): 0 pages. zone(2): 0 pages. Kernel command line: console=3D/dev/ttyS0,9600 console=3Dtty0 ether=3D5,0= x210,eth0 ether=3D11,0x300,eth1 ramdisk_size=3D8192 root=3D/dev/ram time_init: decrementer frequency =3D 68.925649 MHz Console: colour VGA+ 80x25 Calibrating delay loop... 691.40 BogoMIPS Memory: 124740k available (1656k kernel code, 856k data, 248k init, 0k hi= ghmem) Dentry-cache hash table entries: 16384 (order: 5, 131072 bytes) Inode-cache hash table entries: 8192 (order: 4, 65536 bytes) Mount-cache hash table entries: 2048 (order: 2, 16384 bytes) Buffer-cache hash table entries: 8192 (order: 3, 32768 bytes) Page-cache hash table entries: 32768 (order: 5, 131072 bytes) POSIX conformance testing by UNIFIX PCI: Probing PCI hardware Fixup res 2 (200) of dev 00:0d.0: 31000000 -> f1000000 Fixup res 6 (7201) of dev 00:0d.0: f1010000 -> b1010000 Setting PCI interrupts for a "Mesquite cPCI (MCP750)" PCI: Cannot allocate resource region 0 of PCI bridge 0 PCI: resource is 0..fffffff (100), parent c020105c PCI:00:0d.0: Resource 2: f1000000-f1000fff (f=3D200) PCI: Switching off ROM of 00:0d.0 Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket Starting kswapd devfs: v1.10 (20020120) Richard Gooch (rgooch@atnf.csiro.au) devfs: boot_options: 0x0 Detected PS/2 Mouse Port. pty: 256 Unix98 ptys configured Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL= _PCI enabled ttyS00 at 0x03f8 (irq =3D 4) is a 16550A ttyS01 at 0x02f8 (irq =3D 3) is a 16550A request_module[parport_lowlevel]: Root fs not mounted lp: driver loaded but no devices found rtc: I/O port 112 is not free. block: 128 slots per queue, batch=3D32 RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=3D= xx hdc: QEMU DVD-ROM, ATAPI CD/DVD-ROM drive hdc: IRQ probe failed (0x0) hdd: IRQ probe failed (0x0) hdd: IRQ probe failed (0x0) ide1 at 0x170-0x177,0x376 on irq 13 hdc: ATAPI 4X DVD-ROM drive, 512kB Cache Uniform CD-ROM driver Revision: 3.12 ide-floppy driver 0.97.sv loop: loaded (max 8 devices) ide-floppy driver 0.97.sv SCSI subsystem driver Revision: 1.00 scsi0 : SCSI host adapter emulation for IDE ATAPI devices Macintosh non-volatile memory driver v1.0 usb.c: registered new driver usbdevfs usb.c: registered new driver hub usb.c: registered new driver hid hid-core.c: v1.8 Andreas Gal, Vojtech Pavlik hid-core.c: USB HID support drivers mice: PS/2 mouse device common for all mice NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 1024 buckets, 8Kbytes TCP: Hash tables configured (established 8192 bind 8192) NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. RAMDISK: Compressed image found at block 0 Freeing initrd memory: 852k freed EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended VFS: Mounted root (ext2 filesystem). Freeing unused kernel memory: 248k init 48k pmac 8k chrp 12k openfirmware According to "INSTALLING LINUX" section of http://www.juneau-lug.org/sand= alfoot.php This is a 2.4.18 Debian kernel (2.2 or 3.0, I didn't understood), where i= s applied a patch from Sven Dickert, available at http://www.remote.org/s= ven/ppc/40p.patch Herv=C3=A9