Messages in this thread | | | Date | Mon, 25 Oct 2004 16:47:43 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.9-mm1 |
| |
"Randy.Dunlap" <rddunlap@osdl.org> wrote: > > Andrew Morton wrote: > > "Randy.Dunlap" <rddunlap@osdl.org> wrote: > > > >>I'm trying to spend time on kexec++ this week, but this little BUG > >>keeps getting in the way. Has it already been reported/fixed? > >> > >>kernel BUG at arch/i386/mm/highmem.c:42! > > > > > > oops, we did it again. > > > > --- 25/drivers/ide/ide-taskfile.c~ide_pio_sector-kmap-fix Mon Oct 25 15:54:35 2004 > > +++ 25-akpm/drivers/ide/ide-taskfile.c Mon Oct 25 15:54:48 2004 > > @@ -304,7 +304,7 @@ static void ide_pio_sector(ide_drive_t * > > else > > taskfile_input_data(drive, buf, SECTOR_WORDS); > > > > - kunmap_atomic(page, KM_BIO_SRC_IRQ); > > + kunmap_atomic(buf, KM_BIO_SRC_IRQ); > > #ifdef CONFIG_HIGHMEM > > local_irq_restore(flags); > > #endif > > _ > > Yes, that gets further. :( > Maybe I'll just (try) apply the kexec patch to a vanilla kernel.
I doubt if it'll help much. It looks like IDE PIO got badly broken. That's something we have to fix - could you work with Bart on it please?
How come your disks are running in PIO mode anyway?
> > Unable to handle kernel paging request at virtual address fffea000 > printing eip: > c02c8e4d > *pde = 0064b067 > *pte = 00000000 > Oops: 0002 [#1] > SMP DEBUG_PAGEALLOC > Modules linked in: > CPU: 0 > EIP: 0060:[<c02c8e4d>] Not tainted VLI > EFLAGS: 00010006 (2.6.9-mm1) > EIP is at ide_insw+0xd/0x20 > eax: 000001f0 ebx: c05ee7ec ecx: 00000100 edx: 000001f0 > esi: c05ee7ec edi: fffea000 ebp: c056fe80 esp: c056fe7c > ds: 007b es: 007b ss: 0068 > Process swapper (pid: 0, threadinfo=c056e000 task=c0486b80) > Stack: c05ee740 c056fea0 c02c93b8 000001f0 fffea000 00000100 c05ee7ec > 00000080 > fffea000 c056fec0 c02ccf06 c05ee7ec fffea000 00000080 00000000 > 00000000 > c05ee740 c056feec c02cd62b c05ee7ec fffea000 00000080 00000000 > fffea000 > Call Trace: > [<c0107eff>] show_stack+0xaf/0xc0 > [<c010808d>] show_registers+0x15d/0x1e0 > [<c01082a6>] die+0x106/0x190 > [<c011c707>] do_page_fault+0x517/0x6a6 > [<c0107b4d>] error_code+0x2d/0x38 > [<c02c93b8>] ata_input_data+0x98/0xa0 > [<c02ccf06>] taskfile_input_data+0x26/0x50 > [<c02cd62b>] ide_pio_sector+0xcb/0xf0 > [<c02cd892>] task_in_intr+0xe2/0x100 > [<c02c8c16>] ide_intr+0xb6/0x150 > [<c0142cd8>] handle_IRQ_event+0x38/0x70 > [<c0142df2>] __do_IRQ+0xe2/0x150 > [<c0109606>] do_IRQ+0x36/0x60 > [<c0107a30>] common_interrupt+0x18/0x20 > [<c01050f1>] cpu_idle+0x31/0x50 > [<c05709bf>] start_kernel+0x15f/0x180 > [<c0100211>] 0xc0100211 > Code: e5 8b 55 08 ec 0f b6 c0 5d c3 8d 74 26 00 55 89 e5 8b 55 08 66 > ed 0f b7 c > <0>Kernel panic - not syncing: Fatal exception in interrupt > <0>Dumping messages in 0 seconds : last chance for Alt-SysRq... > > > > > -- > ~Randy > MOTD: Always include version info. > (Again. Sometimes I think ln -s /usr/src/linux/.config .signature) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |