"mount: could not find filesystem" - aacraid? (was: Re: 2.6.26-git0: IDE oops during boot)

> Bartlomiej Zolnierkiewicz wrote: > > Hi, > > > > On Tuesday 12 February 2008, Kamalesh Babulal wrote: > >> Bartlomiej Zolnierkiewicz wrote: > >>> Hi, > >>> > >>> On Monday 11 February 2008, Kamalesh Babulal wrote: > >>>> Nish Aravamudan wrote: > >>>>> On 2/7/08, Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> wrote: > >>>>>> On Thursday 07 February 2008, Kamalesh Babulal wrote: > >>>>>>> Bartlomiej Zolnierkiewicz wrote: > >>>>>>>> Hi, > >>>>>>>> > >>>>>>>> On Wednesday 06 February 2008, Pavel Machek wrote: > >>>>>>>>> On Wed 2008-02-06 11:53:34, Pavel Machek wrote: > >>>>>>>>>> Hi! > >>>>>>>>>> > >>>>>>>>>> Trying to boot 2.6.25-git0 (few days old), I get > >>>>>>>>>> > >>>>>>>>>> BUG: unable to handle kernel paging request at ffff..ffb0 > >>>>>>>>>> IP at init_irq+0x42e > >>>>>>>> init_irq? hmm... > >>>>>>>> > >>>>>>>>>> Call trace: > >>>>>>>>>> ide_device_add_all > >>>>>>>> this comes from ide-generic > >>>>>>>> (Generic IDE host driver) > >>>>>>>> > >>>>>>>>>> ide_generic_init > >>>>>>>>>> kernel_init > >>>>>>>>>> child_rip > >>>>>>>>>> vgacon_cursor > >>>>>>>>>> kernel_init > >>>>>>>>>> child_rip > >>>>>>>>>> > >>>>>>>>>> Excerpt from config: > >>>>>>>>>> > >>>>>>>>>> CONFIG_IDE=y > >>>>>>>>>> CONFIG_BLK_DEV_IDE=y > >>>>>>>>> Disabling CONFIG_IDE made my machine boot, as it was using libata > >>>>>>>>> anyway. > >>>>>>>> Kamalesh/Pavel: > >>>>>>>> > >>>>>>>> Could you try latest git and see if the OOPS is still there? > >>>>>>>> > >>>>>>>> [ Yeah, I'm unable to reproduce it. :( ] > >>>>>>>> > >>>>>>>> Thanks, > >>>>>>>> Bart > >>>>>>> Hi Bart, > >>>>>>> > >>>>>>> The panic is reproducible with the 2.6.24-git16 kernel, the call trace is > >>>>>>> similar to the previous one > >>>>>> Thanks, I again reviewed ide-probe.c changes but nothing seems wrong... > >>>>>> > >>>>>> Could you please bisect it down to the guilty commit? > >>>>> Kamalesh, were you able to bisect this down? I just got hit by the > >>>>> same panic on a 4-way x86_64, with 2.6.24-git22. > >>>>> > >>>>> Thanks, > >>>>> Nish > >>>> Hi Nish, > >>>> > >>>> I tried bisecting and the guilty patch seems to be > >>>> > >>>> 36501650ec45b1db308c3b51886044863be2d762 is first bad commit > >>>> commit 36501650ec45b1db308c3b51886044863be2d762 > >>>> Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> > >>>> Date: Fri Feb 1 23:09:31 2008 +0100 > >>>> > >>>> ide: keep pointer to struct device instead of struct pci_dev in ide_hwif_t > >>>> > >>>> > >>>> the gdb output, also points to the changes made by the guilty patch > >>>> > >>>> (gdb) p ide_device_add_all > >>>> = {int (u8 *, const struct ide_port_info *)} 0xffffffff804176ac <ide_device_add_all> > >>>> (gdb) p/x 0xffffffff804176ac+0xb60 > >>>> = 0xffffffff8041820c > >>>> (gdb) l *0xffffffff8041820c > >>>> 0xffffffff8041820c is in ide_device_add_all (drivers/ide/ide-probe.c:1249). > >>>> 1244 goto out; > >>>> 1245 } > >>>> 1246 > >>>> 1247 sg_init_table(hwif->sg_table, hwif->sg_max_nents); > >>>> 1248 > >>>> 1249 if (init_irq(hwif) == 0) > >>>> 1250 goto done; > >>>> 1251 > >>>> 1252 old_irq = hwif->irq; > >>>> 1253 /* > >>>> (gdb) > >>>> > >>>> > >>>> (gdb) p init_irq > >>>> = {int (ide_hwif_t *)} 0xffffffff8041721f <init_irq> > >>>> (gdb) p/x 0xffffffff8041721f+0x1a4 > >>>> = 0xffffffff804173c3 > >>>> (gdb) l *0xffffffff804173c3 > >>>> 0xffffffff804173c3 is in init_irq (include/asm/pci.h:101). > >>>> 96 /* Returns the node based on pci bus */ > >>>> 97 static inline int __pcibus_to_node(struct pci_bus *bus) > >>>> 98 { > >>>> 99 struct pci_sysdata *sd = bus->sysdata; > >>>> 100 > >>>> 101 return sd->node; > >>>> 102 } > >>>> 103 > >>>> 104 static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus) > >>>> 105 { > >>>> (gdb) > >>> Thanks for the detailed analysis and sorry for the bug. > >>> > >>> I think that this may has been just fixed by Andi's recent hwif_to_node() > >>> fix (patch below, it is in Linus' tree already), could please verify this? > >>> > >>> commit 1f07e988290fc45932f5028c9e2a862c37a57336 > >>> Author: Andi Kleen <andi@firstfloor.org> > >>> Date: Mon Feb 11 01:35:20 2008 +0100 > >>> > >>> Prevent IDE boot ops on NUMA system > >>> > >>> Without this patch a Opteron test system here oopses at boot with > >>> current git. > >>> > >>> Calling to_pci_dev() on a NULL pointer gives a negative value so the > >>> following NULL pointer check never triggers and then an illegal address > >>> is referenced. Check the unadjusted original device pointer for NULL > >>> instead. > >>> > >>> Signed-off-by: Andi Kleen <ak@suse.de> > >>> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> > >>> > >>> diff --git a/include/linux/ide.h b/include/linux/ide.h > >>> index 23fad89..a3b69c1 100644 > >>> --- a/include/linux/ide.h > >>> +++ b/include/linux/ide.h > >>> @@ -1295,7 +1295,7 @@ static inline void ide_dump_identify(u8 *id) > >>> static inline int hwif_to_node(ide_hwif_t *hwif) > >>> { > >>> struct pci_dev *dev = to_pci_dev(hwif->dev); > >>> - return dev ? pcibus_to_node(dev->bus) : -1; > >>> + return hwif->dev ? pcibus_to_node(dev->bus) : -1; > >>> } > >>> > >>> static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) > >> Hi Bart, > >> Thanks !! the patch solves the kernel panic but when after applying the patch,kernel is not > >> able to mount the filesystem and panics, am i not sure what is likely causing the panic. > > > > Is > > > > - the commit 36501650ec45b1db308c3b51886044863be2d762 with Andi's fix applied > > > > or > > > > - the commit f6fb786d6dcdd7d730e4fba620b071796f487e1b > > (the one before commit 36501650ec45b1db308c3b51886044863be2d762) > > > > working for you? > > No, the commit before the commit 36501650ec45b1db308c3b51886044863be2d762 did not either work, i > get the same kernel panic. > > > > >> Creating root device. > >> Mounting root filesystem. > >> mount: could not find filesystem > >> Kernel panic - not syncing: Attempted to kill init! > > > > Is IDE actually used for the boot device? > > > > [ Please send a dmesg output from the working system. ]


linux-kernel:
Tarkan Erimer	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Benjamin Herrenschmidt	Re: [PATCH] Remove process freezer from suspend to RAM pathway
Greg KH	[patch 00/73] 2.6.23-stable review
Greg Kroah-Hartman	[PATCH 005/196] Chinese: add translation of SubmittingDrivers
git:

linux-netdev:
Arjan van de Ven	Re: [GIT]: Networking
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
Jarek Poplawski	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Frans Pop	svc: failed to register lockdv1 RPC service (errno 97).
openbsd-misc:

"mount: could not find filesystem" - aacraid? (was: Re: 2.6.26-git0: IDE oops during boot)

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