> -----Message d'origine-----
> De : [email protected]
> [mailto:[email protected]] De la part de
> Fortier,Vincent [Montreal]
> Envoyé : 10 décembre 2007 08:21
> À : Randy Dunlap; Andrew Morton
> Cc : [email protected]
> Objet : RE: 2.6.22.14 oops msg with commvault galaxy ?
>
> > -----Message d'origine-----
> > De : Randy Dunlap [mailto:[email protected]] Envoyé :
> 7 décembre
> > 2007 20:15
> >
> > On Fri, 7 Dec 2007 15:11:13 -0800 Andrew Morton wrote:
> >
> > > On Fri, 7 Dec 2007 14:15:36 -0800
> > > Randy Dunlap <[email protected]> wrote:
> > >
> > > > > Help would really be appreciated.
> > > >
> > > > Let's try the last_sysfs_file (name) patch.
> > > > I've attempted to update it for 2.6.22.14.
> > > > Andrew, does this change in fs/sysfs/file.c look OK?
> > >
> > > umm, yup.
> > >
> > >
> >
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-r
> > >
> >
> c6/2.6.21-rc6-mm1/broken-out/gregkh-driver-sysfs-crash-debugging.patch
> > >
> > > should work.
> >
> > Thanks.
> > I produced a cleanly applying version of it for 2.6.22.14.
> >
> > Vincent, please apply this patch so we can know which file in sysfs
> > these oopses are happening with.
> >
>
> It did not applied cleanly on a 2.6.22.14... copy/paste might
> be the issue here... Anyhow, I corrected the patch failure to
> apply and here is my version of it... Hoping I got this
> (attached patch).
>
> Compiling at the moment... will try this out with commvault
> 5.9 probably in the morning and get back with the results.
>
> Let me know I got the patch wrong.
Here is the resulting trace... hoping this helps...:
[ 942.107304] BUG: unable to handle kernel NULL pointer dereference at virtual address 000000c8
[ 942.107339] printing eip:
[ 942.107354] c01a924c
[ 942.107368] *pdpt = 000000002d6b4001
[ 942.107383] *pde = 0000000000000000
[ 942.107401] Oops: 0000 [#1]
[ 942.107414] SMP
[ 942.107431] last sysfs file: /kernel/uids/104/cpu_share
[ 942.107449] Modules linked in: xfs drbd cn nfs nfsd exportfs lockd nfs_acl sunrpc ppdev parport_pc lp parport button ac battery ipv6 fuse ide_cd ide_generic usbkbd usbmouse tsdev sg iTCO_wdt iTCO_vendor_support e752x_edac edac_mc psmouse floppy shpchp pci_hotplug serio_raw sr_mod pcspkr evdev cdrom ext3 jbd mbcache dm_mirror dm_snapshot dm_mod generic piix ide_core ehci_hcd uhci_hcd usbcore ata_piix tg3 thermal processor fan mptscsih mptbase megaraid_sas megaraid_mbox megaraid_mm cciss aacraid
[ 942.107675] CPU: 0
[ 942.107676] EIP: 0060:[<c01a924c>] Not tainted VLI
[ 942.107678] EFLAGS: 00010202 (2.6.22.14-cfs-etch-686-envcan #1)
[ 942.107730] EIP is at sysfs_open_file+0xae/0x21e
[ 942.107749] eax: 00000000 ebx: f77783b8 ecx: dfb0b280 edx: 000000c8
[ 942.107769] esi: f7e0ce8c edi: c03fd5c0 ebp: c01a919e esp: f1257ed8
[ 942.107789] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
[ 942.107810] Process clBackup (pid: 5191, ti=f1256000 task=f71b3290 task.ti=f1256000)
[ 942.107831] Stack: 00001000 f295d240 ed4f4ac0 f7e0ce48 f295d240 ed4f4ac0 f1257f30 c01a919e
[ 942.107878] c0170464 dfe76100 ed4f3880 f295d240 00008000 f1257f30 00000010 c0170595
[ 942.107921] f295d240 00000000 00000000 c01705d6 00000000 f1257f30 ed4f3880 dfe76100
[ 942.107968] Call Trace:
[ 942.107998] [<c01a919e>] sysfs_open_file+0x0/0x21e
[ 942.108017] [<c0170464>] __dentry_open+0xc1/0x178
[ 942.108039] [<c0170595>] nameidata_to_filp+0x24/0x33
[ 942.108063] [<c01705d6>] do_filp_open+0x32/0x39
[ 942.108088] [<c0170343>] get_unused_fd+0x4a/0xaa
[ 942.108112] [<c017061f>] do_sys_open+0x42/0xc3
[ 942.108134] [<c01706d9>] sys_open+0x1c/0x1e
[ 942.108155] [<c0103d8a>] syscall_call+0x7/0xb
[ 942.108179] =======================
[ 942.108194] Code: b8 c0 c5 3f c0 41 e8 e8 06 03 00 83 7c 24 0c 00 0f 84 72 01 00 00 85 f6 0f 84 6a 01 00 00 8b 56 04 85 d2 74 19 64 a1 08 50 3d c0 <83> 3a 02 0f 84 44 01 00 00 c1 e0 05 ff 84 10 20 01 00 00 8b 54
[ 942.108364] EIP: [<c01a924c>] sysfs_open_file+0xae/0x21e SS:ESP 0068:f1257ed8
- vin
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