Bugfixes (new approach)

The aim of this page is to present the information on the new bug reporting system

Bug fixes table

This is a list of all reported bugs, with a link to tickets with more information on the issue and branches to fix it. Some of the bugs/ issues are described in more detail on an older bugfixes page. The UM versions listed are those where the bug is known to be present. Please note however, that bugs in versions before 8.2 are not reported here, although information on some of these can be found here.

#	Description	Ticket		Affected Versions/ Config	Branch with fix	Remarks
		MetO	NCAS
1	Improper construction of filename for Background Aerosol data used for Fast-JX/ HetPSC	#4283	#439	8.2-8.3	MetO: fcm:um_br/pkg/Share/vn8.2_pkg_ukca_bugfixes Puma: fcm:um_br/dev/nhsavage/vn8.2_pkg_ukca_bugfixes	Lodged at UM8.3. Note: Likely to clash with some vn8.2 science branches.
2	SO3 missing from UKCA_CSPECIES
3	MODE diagnostics indexing issue
4	Correct the methane initialisation when l_prescribe_ch4 option is selected
5	Logic for Heterogenous reactions under TropIsop Chem
6	String length differences in Strat+Trop reaction rate definition array
7	Incorrect Loop control for a Fast-JX routine
8	Remove N2O from lumped N species for Stratospheric Chemistry
9	Fix an initialisation issue that caused consecutive runs to give different results
10	Incorrect read-size for a Fast-JX lookup table
11	Minor write statement formatting issues
12	Minor variable/ array initialisation issues.
13	Missing initialisation of COS LowBC	#4956	None	8.2-8.3 CheST+Aero	MetO: fcm:um_br/dev/hadfo/vn8.3_COSMMR_bugfix Puma: fcm:um_br/dev/foconnor/vn8.3_COSMMR_bugfix	Lodged at UM8.3
14	UKCA Age-of-Air setup bug	#5175	#636	8.2-8.5 AgeAirOnly	MetO: fcm:um_br/dev/hadzm/vn8.5_ukca_AgeAirOnly_fix Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at UM8.5
15	Incorrect factors for MODE emiss diagnostics	Part of #4301	#636	8.4-8.5 GLOMAP	MetO: Included in fcm:um_br/dev/hadcj/vn8.4_ukca_combined_scav fcm:um_br/dev/hadcj/vn8.5_ukca_combined_scav Puma: fcm:um_br/dev/cce_cj/vn8.4_ukca_combined_scav fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at UM8.5
16	Array Dimensioning/ Indexing issues affecting ENDGAME	#5420	#636	8.4-8.5 EG+UKCA	MetO: fcm:um_br/dev/hadzm/vn8.5_ukca_dims_uninit_fixes Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at UM8.5
17	Activate: Value underflow trap combined with debug-level	Part of #5420	#636	8.2-8.5 Activate	MetO: Included in fcm:um_br/dev/hadzm/vn8.5_ukca_dims_uninit_fixes Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at UM8.5
18	Errors in UKCA CheST+Het/PSC setup code	#5465	None	8.5 CheST+ Het/PSC	MetO: fcm:um_br/dev/fris/vn8.5_fix_het_psc Puma: None	Lodged at UM8.5
19	Change in UKCA results when print/ debug level is changed	#5470	#636	8.2-8.6 GLOMAP	MetO: fcm:um_br/dev/hadzm/vn8.6_ukca_fix_prstatus_diff Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at UM8.6
20	Model failures at Print-level =Diag (Asad debug output > buffer size)	Part of #5470	None	8.6	MetO: Included in fcm:um_br/dev/hadzm/vn8.6_ukca_fix_prstatus_diff Puma: None	Lodged at UM8.6
21	Incorrect calculation of some ASAD 3-D diags	#5922	None	8.2-8.6	MetO: fcm:um_br/dev/hadlk/vn8.6_UKCA_3Demis_FixUnits Puma: None	Lodged at UM8.6
22	Indexing bug - sin_v_latitude	Part of #6105	#636	8.5 EG+UKCA	MetO: Included in fcm:um_br/dev/hadzm/vn8.5_ukca_dims_uninit_fixes Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at UM8.5
23	Bug in Fast-JX mass calculation	#5404	#565	7.3: FastJX	MetO: fcm:um_br/dev/frtf/vn8.4_fastj-x_debug Puma: fcm:um_br/dev/luke/vn8.4_FJX_dm_3d_bugfix	Seems to mostly affect Low-top or hi-res runs. Lodged at vn9.0
24	Erroneous 50% reduction factor in aerosol sedimentation velocity calc	#5713	#636	8.2: GLOMAP	MetO:Included in fcm:um_br/dev/frjy/vn8.4_ukca_vgrav_av fcm:um_br/dev/hadzm/vn8.6_ukca_chem_mode_fixes Puma: fcm:um_br/dev/dan2012/vn8.4_Sedimentation_Fix fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
25	ACTIVATE uses saturation mix ratio instead of saturation vap pressure	#5707	#636	8.2: ACTIVATE	MetO: Included in fcm:um_br/dev/frjy/vn8.4_ukca_vgrav_av fcm:um_br/dev/hadzm/vn8.6_ukca_chem_mode_fixes Puma: Included in fcm:um_br/dev/dan2012/vn8.4_Nenes_Activate fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
26	TropChem: uses mmr instead of vmr for Q	#6060	#636	8.2: TropIsop	MetO: fcm:um_br/dev/hadfo/ vn8.4_ukca_bugfix_watervapour_tropisop Included in: fcm:um_br/dev/hadzm/vn8.6_ukca_chem_mode_fixes Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
27	Erroneous reaction rate for OH+MGLY reaction	#6105	#636	8.2:	MetO: For StratTrop/CheST fcm:um_br/dev/hadfo/vn8.4_ukca_ bugfix_strattrop_OHMGLY_rxnrate for TropIsop Included in: fcm:um_br/dev/hadfo/vn8.4_ukca_ update_tropisop_rate_coeffs Included in: fcm:um_br/dev/hadzm/vn8.6_ukca_chem_mode_fixes Puma: For StratTrop/CheST fcm:um_br/dev/foconnor/vn8.4_ukca_bugfix _StratTrop_OHMGLY_rxnrate For TropIsop/CheT: Included in fcm:um_br/dev/foconnor/vn8.4_vn8.4_ukca _update_tropisop_rate_coeffs fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0 (StratTrop only)
28	Indexing bug - all_tracers array in Plume Scavenging branch	Part of #6105	None	8.4: EG+Plume Scav	MetO: Included in fcm:um_br/dev/hadzm/vn8.6_ukca_chem_mode_fixes Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
29	Indexing bug - asad_chemdiags%diag_type in asad_tendency_ste	Part of #6105	#636	8.2:	MetO: Included in fcm:um_br/dev/hadzm/vn8.6_ukca_chem_mode_fixes Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
30	Indexing bug - f3_at_u	Part of #6105	#636	8.4: EG+UKCA	MetO: Included in fcm:um_br/dev/hadzm/vn8.6_ukca_chem_mode_fixes Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
31	FP exceptions in asad_sparse_vars or asad_spimjmp	#5616	#555	7.3: CheT+Aero	MetO: fcm:um_br/dev/fris/vn8.4_increase_rafeps Puma: fcm:um_br/dev/nhsavage/vn8.4_increase_rafeps	Temporary Work-around. May not work in all cases
32	ACTIVATE:uses cloud_liq_water (diagnostic) which is not consistent with cloud fraction (prognostic)	Part of #6105	#636	7.3: ACTIVATE	MetO: fcm:um_br/dev/hadna/vn8.6_limit_n_activ_sum Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
33	RADAERv2 in UMUI: Look-up table files linked to wrong Unit numbers	None	None	8.5-8.6	N/A	Enter _an_ files for accumulation mode and _ac_ files for the aitken/insol accum mode boxes on the RADAER panel
34	ACTIVATE: Argument dimensions not compatible with ENDGame (should specify 1:model_levels)	Part of #6105	#636	8.5: EG-Activate	MetO: Included in fcm:um_br/dev/hadna/vn8.6_limit_n_activ_sum Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86	Lodged at vn9.0
35	Error in labelling: Surface resistance <--> stomatal resistance ?	None	None	7.3:	None

Package branches table

For every supported version, the aim will be to have a package that fixes all bugs known to exist at that UM version. The package will be supported on both the NCAS and Met Office repositories (until a single repository is created)

UM Versions	Ticket		Package Branch
	MetO	NCAS
8.2	#4382	#439	Meto: fcm:um_br/pkg/Share/vn8.2_pkg_ukca_bugfixes Puma: fcm:um_br/dev/nhsavage/vn8.2_pkg_ukca_bugfixes
8.3	#1	#2
8.4	#1	#636	Puma: fcm:um_br/dev/mdalvi/vn8.4_ukca_fixes_from_vn86