> -----Original Message----- > From: ext3-users-bounces@xxxxxxxxxx [mailto:ext3-users-bounces@xxxxxxxxxx] > On Behalf Of Ulf Zimmermann > Sent: Saturday, July 14, 2007 13:11 > To: ext3-users@xxxxxxxxxx > Subject: RE: Kernel panic in ext3:dx_probe, help needed > > > -----Original Message----- > > From: ext3-users-bounces@xxxxxxxxxx > [mailto:ext3-users-bounces@xxxxxxxxxx] > > On Behalf Of Ulf Zimmermann > > Sent: Saturday, July 14, 2007 02:45 > > To: ext3-users@xxxxxxxxxx > > Subject: Kernel panic in ext3:dx_probe, help needed > > > > This may or may not be ext3 related but I am trying to find any > pointers > > which might help me. I got a number of HP Proliant DL380 g5 with a > P400 > > controller and also two qla2400 cards. The OS is RedHat EL4 U5 x86_64. > > > > Every time during reboot these systems panic after the last umount and > I > > believe before the cciss driver is getting unloaded. The last messages > I > > am able to see are: > > > > md: stopping all md devices. > > md: md0 switched to read-only mode. > > > > After this I get the panic, on other systems I believe the following > > messages come (DL380 g4 with 6i controller): > > > > cciss: stopping all cciss devices. > > cciss: removing controller 0 > > > > The last 3 lines of the panic are: > > > > Code: 0f 0b 5d 93 12 a0 ff ff ff ff 7d 01 0f b7 5d 02 85 db 74 08 > > RIP <ffffffffa011d0f4>{:ext3:dx_probe+427} RSP <00000102259338e8> > > <0>Kernel panic - not syncing: Oops > > > > I can not reproduce this problem with a DL380 g4 with 6i controller. > > Tried > > the included cciss driver in EL4 Update 5 and the one provided by HP. > No > > difference. > > > > Any tips what to look at would be appreciated. > > > > Have been able to reproduce it on yet another system but here I was able > to catch the top of the panic with " dx_probe: Unrecognised inode hash > code 28" on cciss/c0d0p6, which is the / file system. Ok, found more information. EL4 sets dir_index for / (cciss/c0d0p6 as we are installing it). The RedHat provided cciss driver (2.6.14-RH2) has no problem with that, the latest cciss driver from HP, 2.6.16-6, does. Turning off dir_index for /, forcing fsck during reboot and everything is fine. Ulf. _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
