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SubjectRE: assertion failure with new megaraid beta driver leads to sche duling failure
Date
Paul,

Random deletion has issues with this version of the driver. Sreenivas will
release the next version tomorrow morning with the fix.

Thanks
-Atul

> -----Original Message-----
> From: Paul Wagland [mailto:paul@wagland.net]
> Sent: Thursday, April 15, 2004 5:57 PM
> To: Linux SCSI mailing list; Linux kernel mailing list
> Cc: Atul Mukker
> Subject: assertion failure with new megaraid beta driver leads to
> scheduling failure
>
>
> Hi all,
>
> Well, seems I have a penchance for causing trouble ;-)
>
> I was playing around with the new beta driver, and was trying
> to remove
> some logical drives using the dellmgr utility.
>
> Well, something between the driver and the BIOS got unhappy,
> and all of
> a sudden I got about 20 of the following lines:
>
> assertion failed:(spin_is_locked(adapter->host_lock)), file:
> drivers/scsi/megaraid.c, line: 3061:megaraid_abort_handler
>
> followed by (copied by hand... maybe I should set up a serial
> console :-):
>
> bad: scheduling while atomic!
> Call Trace:
> [<c011cd5f>] schedule+0x58f/0x5a0
> [<c01209a7>] __call_console_drivers+0x57/0x60
> [<c0108126>] __down+0x86/0x100
> [<c011cdc0>] default_wake_function+0x0/0x20
> [<f8832790>] megaraid_reset_handler+0x0/0xc0 [megaraid]
> [<c010833c>] __down_failed+0x8/0xc
> [<f8833fee>] .text.lock.megaraid_clib+0x5/0x17 [megaraid]
> [<f88327be>] megaraid_reset_handler+0x2e/0xc0 [megaraid]
>
> this was called from:
> scsi_try_bus_device_reset
> scsi_eh_bus_device_reset
> scsi_eh_ready_devs
> scsi_unjam_host
> default_wake_function
> scsi_error_handler
> scsi_error_handler
> kernel_thread_helper
>
>
>
> Thoughts and/or suggestions?
>
> Cheers,
> Paul
>
-
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