Date: Tue, 28 Jan 2003 03:13:14 -0800 (PST) From: Rostislav Krasny <rosti_bsd@yahoo.com> To: freebsd-current@freebsd.org Subject: 5.0-RELEASE panics during the floppies boot Message-ID: <20030128111314.39560.qmail@web14812.mail.yahoo.com>
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Hello FreeBSD 5.0-RELEASE panics during the floppies boot with following messages: panic: inthand_add: Can't initialize ICU syncing disks, buffers remaining... panic: bdwrite: buffer is not busy The box have two ISA PnP cards - a NIC based on UMC UM9008/F chip and Creative SB16 based on ViBRA16 chip. There are no PCI cards although there are 4 PCI slots. The video card is ATI XPERT 98 AGP based on ATI RAGE XL chip. There is also one non-PnP ISA card - a hardware 33600bps modem based on Rockwell chip. The BIOS have "PnP OS" option that can be set to "No" or "Yes". If it set to "No" the BIOS initialize all PnP devices, including ISA PnP devices. Before the MBR loading (boot0) BIOS prints on the screen a diagnostic information about all initialized PnP devices, including choosen to them resurces (IRQs, DMA channels). In my case it choose IRQ 10 for my ISA PnP NIC and IRQ 5 with DMA channel 0 and 1 for my ISA PnP Creative SB16. Currently installed OS-es are FreeBSD 4.7-RELEASE and Win98SE. Win98SE get to know that BIOS already initialized all ISA PnP devices. Win98SE use the same resurces that BIOS choose. The resurces are IRQ 10 and I/O port range 0x0240-0x025F for the NIC and IRQ 5 with DMA channels 0 and 1 for the SB16. Port ranges of SB16 are not so interesting for us, so I don't tell they. FreeBSD 4.7-RELEASE don't know that or don't use PnP BIOS features. Instead 4.7 re-initialize all of my ISA PnP devices with different resurces' parameters. For example, it use IRQ 5 and I/O port range 0x0200-0x021F for the NIC. FreeBSD 5.0-RELEASE (when I do floppies boot) try to use IRQ 2 and same I/O port range for the NIC. It prints following line just before the panic: ed1: <ISA PLUG & PLAY Ethernet Card> at port 0x200-0x21f irq 2 on isa0 If I set in my BIOS the "PnP OS" option to "Yes" I don't get this line but FreeBSD 5.0-RELEASE still panics during the boot. The panic messages are exactly the same. So, we have two problems: 1. FreeBSD (all versions) do not know about BIOS's PnP devices configuration support (at least for ISA PnP devices). 2. When FreeBSD 5.0 try to configure PnP devices (at least ISA PnP devices) it do it wrong way. FreeBSD 4.7 do it better but not perfect. I think that future FreeBSD releases must be able to work better with PnP BIOS features. Plug and Play configuration capability must be improved too, especially in 5.X. P.S. The same panic was already discussed about a year and half before. This is the link to archived copy of one that discussion member: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=471741+0+archive/2001/freebsd-current/20010930.freebsd-current __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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