On Mon, 26 Feb 2007, Andre Noll wrote: > On linux-2.6.20.1, we're seeing hard lockups with 2 raid systems > connected to a qla2xxx card and used as a single volume via lvm. > The system seems to lock up only if data gets written to both raid > systems at the same time. > > On a standard kernel nothing makes it to the log, the system just > freezes. So we tried a lockdep kernel which reports two BUGs during > boot, see below. > > Could this be related to our problem? Before we proceed further, could you retrieve the latest firmware release for 24xx type HBAs: > [ 64.151096] QLogic Fibre Channel HBA Driver > [ 64.151405] ACPI: PCI Interrupt 0000:05:08.0[A] -> GSI 32 (level, low) -> IRQ 32 > [ 64.151821] qla2xxx 0000:05:08.0: Found an ISP2422, irq 32, iobase 0xffffc20000006000 > [ 64.152231] qla2xxx 0000:05:08.0: Configuring PCI space... > [ 64.152498] qla2xxx 0000:05:08.0: Configure NVRAM parameters... > [ 64.159088] qla2xxx 0000:05:08.0: Verifying loaded RISC code... > [ 74.169623] qla2xxx 0000:05:08.0: Firmware image unavailable. > [ 74.169737] qla2xxx 0000:05:08.0: Firmware images can be retrieved from: ftp://ftp.qlogic.com/outgoing/linux/firmware/. > [ 74.169902] qla2xxx 0000:05:08.0: Attempting to load (potentially outdated) firmware from flash. > [ 74.760935] qla2xxx 0000:05:08.0: Allocated (64 KB) for EFT... > [ 74.761186] qla2xxx 0000:05:08.0: Allocated (1413 KB) for firmware dump... > [ 74.776988] scsi0 : qla2xxx > [ 74.961451] qla2xxx 0000:05:08.0: > [ 74.961452] QLogic Fibre Channel HBA Driver: 8.01.07-k4 > [ 74.961453] QLogic HP AE369-60001 - QLA2340 > [ 74.961454] ISP2422: PCI-X Mode 1 (133 MHz) @ 0000:05:08.0 hdma+, host#=0, fw=4.00.70 [IP] You are loading some stale firmware that's left over on the card -- I'm not even sure what 4.00.70 is, as the latest release firmware is 4.00.27. You can retrieve the image here: ftp://ftp.qlogic.com/outgoing/linux/firmware/ql2400_fw.bin Let's start there... before we move on to this: > [ 75.778656] BUG: at kernel/lockdep.c:1860 trace_hardirqs_on() > [ 75.778771] > [ 75.778772] Call Trace: > [ 75.778967] <IRQ> [<ffffffff8024b877>] trace_hardirqs_on+0xd7/0x180 > [ 75.779154] [<ffffffff8052bc1b>] _spin_unlock_irq+0x2b/0x40 > [ 75.779271] [<ffffffff804605d7>] qla2x00_process_completed_request+0x137/0x1d0 > [ 75.779424] [<ffffffff804606f2>] qla2x00_status_entry+0x82/0xa40 > [ 75.779541] [<ffffffff8024b17f>] __lock_acquire+0xcdf/0xd90 > [ 75.779657] [<ffffffff8052bcb2>] _spin_unlock_irqrestore+0x42/0x60 > [ 75.779775] [<ffffffff8046228e>] qla24xx_intr_handler+0x4e/0x2b0 > [ 75.779892] [<ffffffff804613e1>] qla24xx_process_response_queue+0xc1/0x1c0 > [ 75.780012] [<ffffffff80462414>] qla24xx_intr_handler+0x1d4/0x2b0 > [ 75.780131] [<ffffffff8025e950>] handle_IRQ_event+0x20/0x60 Hmm.... Regards, Andrew Vasquez - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html