Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Fri, 7 Jul 2023 10:48:18 +0200 | Subject | Re: [PATCH] sh: Avoid using IRQ0 on SH3 and SH4 |
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On Fri, Jul 7, 2023 at 9:14 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote: > On Thu, Jul 6, 2023 at 6:39 PM John Paul Adrian Glaubitz > <glaubitz@physik.fu-berlin.de> wrote: > > On Thu, 2023-07-06 at 17:39 +0200, Geert Uytterhoeven wrote: > > > Which sh4 platforms in particular? > > > > > > I booted a kernel with this patch on rts7751r2d (QEMU) and landisk > > > (physical) two days ago. > > > > I gave it a try with the command line Guenter suggested and indeed the kernel locks > > up right here with the patch applied and boots fine without it: > > > > Creating 4 MTD partitions on "physmap-flash": > > 0x000000000000-0x000000040000 : "U-Boot" > > 0x000000040000-0x000000080000 : "Environment" > > 0x000000080000-0x000000240000 : "Kernel" > > 0x000000240000-0x000001000000 : "Flash_FS" > > 8139too: 8139too Fast Ethernet driver 0.9.28 > > 8139too 0000:00:01.0: This (id 10ec:8139 rev 20) is an enhanced 8139C+ chip, use 8139cp > > sm501-usb sm501-usb: SM501 OHCI > > sm501-usb sm501-usb: new USB bus registered, assigned bus number 1 > > sm501-usb sm501-usb: irq 116, io mem 0x13e40000 > > usb usb1: New USB device found, idVendor=1d6b, idProduct=0001, bcdDevice= 6.04 > > usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > > usb usb1: Product: SM501 OHCI > > usb usb1: Manufacturer: Linux 6.4.0-12069-gc17414a273b8 ohci_hcd > > usb usb1: SerialNumber: sm501-usb > > hub 1-0:1.0: USB hub found > > hub 1-0:1.0: 2 ports detected > > usbcore: registered new interface driver usb-storage > > rtc-r9701 spi0.0: cannot read RTC register > > usbcore: registered new interface driver usbhid > > usbhid: USB HID core driver > > NET: Registered PF_PACKET protocol family > > heartbeat: version 0.1.2 loaded > > ata1: found unknown device (class 0) > > (stops here) > > > > Using rts7751r2dplus_defconfig and the following command line: > > > > qemu-system-sh4 -M r2d -kernel vmlinuz-6.5-rc1 -hda debian_sid_sh4_standard.qcow2 -no-reboot -device rtl8139,netdev=net0 -netdev user,id=net0 -append "root=/dev/sda1 console=ttySC1,115200 > > earlycon=scif,mmio16,0xffe80000 noiotrap" -serial null -serial stdio -nographic -monitor null > > > > And using this old qcow2 image: > > > > > https://people.debian.org/~aurel32/qemu/sh4/debian_sid_sh4_standard.qcow2 > > > > Maybe it's a configuration issue if it works for you? > > I am not using rts7751r2dplus_defconfig, but my own[*] config, > which boots fine into initrd userspace. > > I can reproduce the issue with rts7751r2dplus_defconfig, but I may > not be able to look into it today...
Disabling CONFIG_USB_OHCI_HCD fixes the hang.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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