[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsen
From: |
Artyom Tarasenko |
Subject: |
[Qemu-devel] sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense" |
Date: |
Sun, 13 Sep 2009 23:32:39 +0200 |
>From NetBSD source, it looks like HDD geometry detection should work
under qemu: they call "mode sense" and "read capacity", and both
commands are implemented in qemu's hw/scsi-disk.h. It doesn't work
though, so NetBSD has to fabricate a disk geometry.
To make debugging easier I tried to boot an older version - NetBSD
1.3.3. And put some extra debugging in esp.c:
static uint32_t get_cmd(ESPState *s, uint8_t *buf)
{
uint32_t dmalen;
int target;
target = s->wregs[ESP_WBUSID] & BUSID_DID;
if (s->dma) {
dmalen = s->rregs[ESP_TCLO] | (s->rregs[ESP_TCMID] << 8);
s->dma_memory_read(s->dma_opaque, buf, dmalen);
} else {
dmalen = s->ti_size;
memcpy(buf, s->ti_buf, dmalen);
printf("NON-DMA rptr %d, wptr %d %2x (0) %2x %2x %2x %2x\n",
s->ti_rptr, s-> ti_wptr, buf[0],buf[1], buf[2],buf[3], buf[4]);
buf[0] = 0;
}
qemu-system-sparc -M SS-20 -nographic -hda ~/sparc/miniroot-133.fs -m 64
...
NON-DMA rptr 0, wptr 1 c0 (0) 0 0 1a 0
Set ATN & Stop: cmdlen 3
scsi-disk: Command: lun=0 tag=0x0 data=0x00 0x00 0x1a 0x00 0x04 0x00
scsi-disk: Test Unit Ready
scsi-disk: Command complete tag=0x0 status=0 sense=0
sd3: mode sense (4) returned nonsense; using fictitious geometry
NetBSD sent command "0x1a" via Set ATN & Stop, but it for some reason
the command got padded and disk got "0x0 0x0 0x1a", no wonder that its
output looks like a non-sense to NetBSD.
Any ideas why does it happen?
- [Qemu-devel] sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense",
Artyom Tarasenko <=
- [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Blue Swirl, 2009/09/14
- [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Artyom Tarasenko, 2009/09/14
- [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Blue Swirl, 2009/09/14
- [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Artyom Tarasenko, 2009/09/14
- Re: [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Blue Swirl, 2009/09/14
- Re: [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Artyom Tarasenko, 2009/09/18
- Re: [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Blue Swirl, 2009/09/19
- Re: [Qemu-devel] Re: sparc esp NetBSD-guest "sd3: mode sense (4) returned nonsense", Artyom Tarasenko, 2009/09/23